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428 - Stock material or miscellaneous articles

428357000 - COATED OR STRUCTUALLY DEFINED FLAKE, PARTICLE, CELL, STRAND, STRAND PORTION, ROD, FILAMENT, MACROSCOPIC FIBER OR MASS THEREOF

428364000 - Rod, strand, filament or fiber

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DocumentTitleDate
20130045383ARRAY OF TITANIUM DIOXIDE NANOSTRUCTURES FOR SOLAR ENERGY UTILIZATION - An array of titanium dioxide nanostructures for solar energy utilization includes a plurality of nanotubes, each nanotube including an outer layer coaxial with an inner layer, where the inner layer comprises p-type titanium dioxide and the outer layer comprises n-type titanium dioxide. An interface between the inner layer and the outer layer defines a p-n junction.02-21-2013
20120171487BxCyNz nanotube formation via the pressurized vapor/condenser method - Nanotube filaments comprising carbon, boron and nitrogen of the general formula B07-05-2012
20100080993Electrospun Functional Fibers - The invention comprises a method of forming functionally active fibers and substrates formed with functionally active fibers. The method includes forming a mixture of at least one polymer and at least one functional active. The mixture is then injected at a controlled flow rate into an electric field to cause the mixture to at least partially form fine fibers that have an average diameter of less than about 1000 nanometers.04-01-2010
20110195251Method For Pulling A Single Crystal Composed Of Silicon From A Melt Contained In A Crucible, and Single Crystal Produced Thereby - Silicon single crystals are pulled from a melt in a crucible, the single crystal surrounded by a heat shield, the lower end of which is a distance h from the melt surface, wherein gas flows downward between the single crystal and the heat shield, outward between the lower end of the heat shield and the melt, and then upward in the region outside the heat shield. The internal diameter of the heat shield at its lower end is 55 mm or more than the diameter of the single crystal, and the radial width of the heat shield at its lower end is not more than 20% of the diameter of the single crystal. Highly doped single crystals pulled accordingly have a void concentration ≦50 m08-11-2011
20120183772MODIFIED CELLULOSE FROM CHEMICAL KRAFT FIBER AND METHODS OF MAKING AND USING THE SAME - A modified kraft pulp fiber with unique properties is provided. The modified fiber can be a modified bleached kraft fiber that is almost indistinguishable from its conventional counterpart, except that it has a low degree of polymerization (DP). Methods for making the modified fiber and products made from it are also provided. The method can be a one step acidic, iron catalyzed peroxide treatment process that can be incorporated into a single stage of a multi-stage bleaching process. The products can be chemical cellulose feedstocks, microcrystalline cellulose feedstocks, fluff pulps and products made from them.07-19-2012
20100112352HYDROXYL POLYMER-CONTAINING FIBERS - Rotary spinning processes, more particularly processes for making hydroxyl polymer-containing fibers using a rotary spinning die, hydroxyl polymer-containing fibers made by the processes and webs made with the hydroxyl polymer-containing fibers are provided.05-06-2010
20100112350METHOD OF MANUFACTURING ALKALI METAL TITANATE AND HOLLOW BODY PARTICLE THEREOF, PRODUCT THEREOF, AND FRICTION MATERIAL CONTAINING THE PRODUCT - The present invention is to provide a method of manufacturing a potassium titanate adapted for a friction material of a friction slide member. The present invention includes the steps of uniformly mixing an aggregate or a granulation of a titanium compound and a potassium compound with a vibration rod mill to form a mixture and sintering the mixture for reaction one another in order to manufacture a desired potassium titanate with ease and low cost.05-06-2010
20100068517ENHANCED SILK PROTEIN MATERIAL HAVING IMPROVED MECHANICAL PERFORMANCE AND METHOD OF FORMING THE SAME - The invention provides an enhanced silk fiber rivaling spider silk in mechanical performance, in combination with a very low-cost method for producing it from the usual silkworms. The method provides for the simple application of an electric field which results in an enhancement of over (?) 40% in the strength, and of 200% in the breaking energy with respect to ordinary silkworm silk. The critical elasticity is enhanced to the level of the dragline spider silk. The provided enhanced silk protein material has the same protein primary structure, fiber diameter and length of the customary silk. The method of formation offers the following advantages in comparison to other methods available in the prior art. Industrial scale production can be readily and cost-effectively achieved, given the wide-range availability of silkworms. The provided method relies largely on the present standard production processes of silkworm silk, and hence a low level of investment is required. Since no additional chemicals are required, the provided method is environmentally friendly.03-18-2010
20100104870LIQUID CRYSTALLINE POLYESTER FIBER AND PROCESS FOR PRODUCTION OF THE SAME - A liquid crystalline polyester fiber which exhibits a half width of endothermic peak (Tm1) of 15° C. or above as observed in differential calorimetry under heating from 50° C. at a temperature elevation rate of 20° C./min and a strength of 12.0 cN/dtex or more; and a process for production of the same. A liquid crystalline polyester fiber which is excellent in abrasion resistance and lengthwise uniformity and is improved in weavability and quality of fabric and which is characterized by a small single-fiber fineness can be efficiently produced without impairing the characteristics inherent in fabric made of liquid crystalline polyester fiber produced by solid phase polymerization, namely, high strength, high elastic modulus and excellent thermal resistance.04-29-2010
20130040140ELECTROSPINNING APPARATUS AND NANOFIBERS PRODUCED THEREFROM - Provided herein are gas and/or temperature assisted electrospinning apparatus, processes, components and polymer nanofibers.02-14-2013
20090155588SHAPED BODIES CONTAINING METAL-ORGANIC FRAMEWORKS - The present invention relates to shaped bodies containing a metal-organic framework material (MOF) as well as a process for the preparation thereof and their use especially as catalyst or storage medium.06-18-2009
20100068518MOLDING MATERIAL, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL, AND METHOD FOR PRODUCING FIBER-REINFORCED MOLDING SUBSTRATE - This invention relates to: a molding material comprising a bundle of continuous reinforcing fibers (A), a polyarylene sulfide prepolymer (B) comprising at least 50% by weight of cyclic polyarylene sulfide and having the weight average molecular weight of less than 10,000 or polyarylene sulfide (B′) having the weight average molecular weight of 10,000 or greater and the degree of dispersion of 2.5 or lower, and thermoplastic resin (C); a prepreg comprising a resin composition comprising the polyarylene sulfide prepolymer (B) impregnated into a reinforcing fiber; and a method for producing a fiber-reinforced molding substrate comprising step (I) of continuously feeding a bundle of continuous reinforcing fibers, step (II) of combining cyclic polyarylene sulfide with the reinforcing fiber bundle, step (III) of heating the composite obtained in step (II) to subject the cyclic polyarylene sulfide to ring-opening polymerization to convert into polyarylene sulfide, and step (IV) of cooling the composite obtained in step (III) and withdrawing the same.03-18-2010
20090142597Nano-Particles of Molybdenum Oxide - Nano-particle of MoO06-04-2009
20130071660Composition For Preparing Ceramic Fiber And A Biosoluble Ceramic Fiber Prepared Therefrom For Heat Insulating Material At High Temperature - The present invention relates to a composition for preparing ceramic fiber and a biosoluble ceramic fiber prepared therefrom for heat insulating material at high temperature, more specifically, a composition for preparing ceramic fiber comprising SiO03-21-2013
20120114943CROSSLINKING SYSTEMS FOR HYDROXYL POLYMERS - Crosslinking systems suitable for use in a polymer melt composition wherein the polymer melt composition comprises a hydroxyl polymer; polymeric structures made from such polymer melt compositions; and processes/methods related thereto are provided.05-10-2012
20090011235MANGANESE OXIDE NANOWIRES, FILMS, AND MEMBRANES AND METHODS OF MAKING - Nanowires, films, and membranes comprising ordered porous manganese oxide-based octahedral molecular sieves and methods of making the same are disclosed. A method for forming nanowires includes hydrothermally treating a chemical precursor composition in a hydrothermal treating solvent to form the nanowires, wherein the chemical precursor composition comprises a source of manganese cations and a source of counter cations, and wherein the nanowires comprise ordered porous manganese oxide-based octahedral molecular sieves.01-08-2009
20100086781PROCESS FOR REMOVING RESIDUAL SPIN SOLVENT FROM A GEL SPUN FILAMENT, THE FILAMENT, MULTI-FILAMENT YARN AND PRODUCTS COMPRISING THE FILAMENT - Process for removing residual spin solvent from a gel spun, UHMwPE filament having an effective diameter of above 16 μm, comprising the steps of: removing residual spin solvent from the filament to a level of below 100 ppm at elevated temperature, while keeping the filament taut. The invention also relates to gel spun UHMwPE filament having an effective diameter of above 16 μm and a residual spin solvent residue of less than 100 ppm. Preferably the filament has a creep rate, measured at 50° C., under a load, so that the initial stress is 600 MPa, of less than 51004-08-2010
20130164530LUMINESCENT NANOSTRUCTURED MATERIALS FOR USE IN ELECTROGENERATED CHEMILUMINESCENCE - A nanostructured particulate material, which includes a redox active luminescent organic and/or ionic compound, is provided herein. The nanostructured particulate material may be used for determining the presence of an analyte of interest in a sample by detecting the emitted electromagnetic radiation generated by exposing a reagent mixture, which includes the nanostructured material and the target analyte, to chemical or electrochemical energy.06-27-2013
20110300383NANOSCALED POLYMER FIBERS - The invention relates to supports consisting of nanoscalar polymer fibres, polymer tubes or hollow fibres for the application and targeted and/or delayed release of ingredients, in particular, agricultural active ingredients. The invention also relates to a method and a device for the production of supports of this type in a charged or empty state. The method and device use electrospinning technology.12-08-2011
20110300382Fibers and Nonwovens Made from uncross-linked alkyd oligomers - Disclosed herein are articles produced from the vitrification of uncross-linked alkyd oligomers. The articles include fibers, nonwovens, and articles made from nonwovens such as, for example, diapers, wipes, feminine hygiene articles, drapes, gowns, sheeting, and bandages. Also disclosed herein is a method for making articles composed of uncross-linked alkyd oligomers.12-08-2011
20110281111SYNTHESIS OF PYROCHLORE NANOSTRUCTURES AND USES THEREOF - A template-free reverse micelle (RM) based method is used to synthesize pyrochlore nanostructures having photocatalytic activity. In one embodiment, the method includes separately mixing together a first acid stabilized aqueous solution including pyrochlore precursor A and a second acid stabilized aqueous solution including pyrochlore precursor B with an organic solution including a surfactant to form an oil-in-water emulsion. Next, equimolar solutions of the first and second acid stabilized oil-in-water emulsions are mixed together. Then, the mixture of the first and second acid stabilized oil-in-water emulsion is treated with a base to produce a precipitate including pyrochlore precursors A and B. After which, the precipitate is dried to remove volatiles. The precipitate is then calcined in the presence of oxygen to form a pyrochlore nanostructure, such as a bismuth titanate (Bi11-17-2011
20090208744Ceramic fiber and process for producing the same - A ceramic fiber having an average fiber diameter of from 50 to 1000 nm, a fiber length of 100 μm or more, and a BET specific surface area of from 0.1 to 10 m08-20-2009
20100003519Method of fabricating nano-fibers by electrospinning - A novel solvent system for dissolving rigid-rod like polymers, such as polybenzoxazole (PBO), is disclosed, wherein said solvent system includes: a methanesulfonic acid (MSA) and a trifluoroacetic acid (TFA). Therefore, the rigid-rod like polybenzoxazole (PBO) can be easily dissolved in said solvent system without extra heat treatment. Besides, the polybenzoxazole (PBO) solution of said solvent system is firstly able to apply into electrospinning at room temperature to produce PBO nano-fiber, which has metallic luster and high thermal stability. Evident supported by the WAXD suggested these fibers have their molecular chains well aligned along the fiber spinning direction and has the advantages of heat resistance, flame retardance, and chemical environmental resistance, thus can be applied to a wide usage.01-07-2010
20110287255HIGH PERFORMANCE FIBERS - Heat-resistant, high strength fibers useful in a wide range of end-use applications are prepared using a polymeric composition containing polyetherketoneketone and mineral nanotubes.11-24-2011
20090220786Methods for Modulated Degenerative Transfer Living Polymerization and Isotactic-Atactic Stereoblock and Stereogradient Poly(Olefins) Thereby - Methods for modulated degenerative transfer living polymerization and isotactic-atactic stereoblock and stereogradient poly(olefins) thereby Abstract A method of producing a multiblock, stereoblock polyolefin having substantially uniform microstructure is disclosed. The method includes contacting a Ziegler-Natta pre-catalyst with a co-catalyst and an olefin to polymerize the olefin and form a first stereoblock, adding a methyl donator that changes the stereoregularity of the polymerization, and polymerizing the olefin to form a second stereoblock. The methods of the present invention allow for the production of poly(olefin)s having predictable degrees of incorporation of stereoerrors of a known type. The methods allows for the production of a variety of poly(olefin) microstructures, ranging from stereoblock to stereogradient poly(olefin)s and poly(olefin)s having fully isotactic to fully atactic microstructures.09-03-2009
20100112351METHOD FOR PREPARING MICROFIBRILLAR POLYSACCHARIDE - The present invention relates to a method of preparing microfibrillar polysaccharide comprising treating a polysaccharide in an aqueous suspension comprising an oxidant and at least one transition metal, mechanically delaminating said polysaccharide such that microfibrillar polysaccharide is formed. The invention also relates to microfibrillar polysaccharide obtainable by the method.05-06-2010
20090148701Production of Metal Nano-and Mesofibers - The invention relates to a method for producing metal oxide fibers with diameters on the micro- and nanometric scale by using electrospinning. At least one polymer is dissolved in a solvent, a metal salt is dissolved in this polymer solution, and this mixture is subsequently electrospun into fibers. Breaking down the polymer renders metal oxide fibers accessible that can be optionally reduced into the corresponding metal fibers.06-11-2009
20110200821Plant and Method for Making Continuous Elastic Yarns Made of Silicon Material and Continuous Elastic Yarn Made of Silicon Material Thus Obtained - A plant for making continuous yarns (08-18-2011
20120270046POLYMERIC STRUCTURES COMPRISING A SULFOSUCCINATE - Hydroxyl polymer-containing compositions, especially hydroxyl polymer-containing compositions that can be processed into polymeric structures, especially polymeric structures in the form of fibers are provided.10-25-2012
20090110928Indium-Based Nanowire Product, Oxide Nanowire Product, and Electroconductive Oxide Nanowire Product, as Well as Production Methods Thereof - To provide: a production method for expediently and inexpensively producing an indium-based nanowire product and an electroconductive oxide nanowire product each comprising nanowires in wire shapes having an averaged thickness of 500 nm or less and having a ratio of averaged length to averaged thickness (aspect ratio) of 30 or less, which nanowire products are each exemplarily utilizable as electroconductive fillers of various transparent electroconductive films, and as nano-wirings; and an indium-based nanowire product and an electroconductive oxide nanowire product obtained by the production method.04-30-2009
20090280325METHODS AND APPARATUSES FOR MAKING SUPERFINE FIBERS - Apparatuses and methods for the production of superfine fibers.11-12-2009
20110171470BAR TYPE CLAY MEMBER FOR CRAFT - A bar type clay member for craft includes a body formed by heating and melting 50 wt % to 80 wt % of wax, adding 10 wt % to 40 wt % of body pigment and 1 wt % to 10 wt % of a colorant to the melted wax, and then melting and dispersing the body pigment and colorant in the wax, wherein the body has a thickness ranging from 0.3 mm to 10 mm and has a bar-like shape.07-14-2011
20110223422POLYMERIC STRUCTURES COMPRISING A HYDROPHILE - Hydroxyl polymer-containing compositions, especially hydroxyl polymer-containing compositions that can be processed into polymeric structures, especially polymeric structures in the form of fibers are provided.09-15-2011
20130216830POROUS ELECTROSPUN FIBER AND PREPARATION METHOD THEREOF - The present invention relates to a porous electrospun fiber with uniform minute pores and very large surface area, and thus porous electrospun fiber can be preferably applicable to various uses that need mesoporous materials, and a method of preparing the same.08-22-2013
20080241538Filament Bundle Type Nano Fiber and Manufacturing Method Thereof - A filament type nano-sized long fiber and a method of producing the same are disclosed. In the method, a spinning solution or a spinning melt is electro-spun in drops using a spinneret to which a critical voltage is applied, and the spun drops are continuously collected on a multi-collector. The spinning solution is produced by dissolving a blend or copolymer consisting of two or more kinds of polymers in a solvent. The spinning melt is produced by melting the polymers. The multi-collector is selected from the group consisting of a plate type collector, a roll type collector, and a combination thereof. The filament type nano-sized long fiber is processed into a yarn through one step during the electrospinning process, and thus, mechanical properties are better than those of a conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application.10-02-2008
20120034462HAIR-LIKE SHAPED HYDROGELS FOR SOFT TISSUE AUGMENTATION - Hair-like shaped crosslinked hydrogels and methods for preparing such crosslinked hydrogels and are provided.02-09-2012
20110206933Electrically Insulating Thermally Conductive Polymer Composition - An electrically insulating highly thermally conductive resin composition includes (A) 100 parts by weight of a polyamide-based resin, and (B) 10 to 80 parts by weight of a long metal fiber including a metal comprising copper, nickel, aluminum, iron, chromium, molybdenum, an alloys thereof, or a combination thereof. The electrically insulating highly thermally conductive resin composition can exhibit high hardness and high strength as well as excellent electrically insulating and thermal conductivity properties, and can be useful for various molded products requiring high thermal conductivity and excellent mechanical characteristics.08-25-2011
20090208745COMPOSITE MATERIAL PLACEMENT - A method of applying a length of discontinuous fiber material to a surface comprises placing the material between a roller and the surface, urging the roller toward the surface such that the roller causes at least a portion of the length of discontinuous fiber material to engage the surface, and applying the length of discontinuous fiber material to the surface by moving one of said roller and said surface relative to the other such that the roller rolls along an application path of said surface. The application path may include one or more curves, wherein a first portion of the material lengthens relative to a second portion of the material, thereby allowing the material to lay evenly against the surface through the one or more curves without separating from the surface.08-20-2009
20090324951Utility Pole of Thermoplastic Composite Material - A utility pole includes a thermoplastic composite material including: (a) at least one olefin polymer; and (b) at least one reinforcing fiber material embedded in the at least one olefin polymer, the thermoplastic composite material having a specific tensile strength higher than or equal to 15 MPa/(gr/cm12-31-2009
20090081457Polymer-micelle complex as an aid to electrospinning - A polymer-micelle complex suitable for use as an aid to preparing fibers, particularly nanofibers, by electrospinning. The polymer-micelle complex may be designed to impart viscosity, surface tension and conductivity properties optimal for electrospinning. By incorporating the complex as a secondary ingredient, one may electrospin sparingly soluble or low molecular weight polymers. Moreover, the polymer-micelle complex can be used as a generic carrier for preparing fibers incorporating other desired materials, such as rigid or globular (hard-to-spin) polymers, enzymes, cells, viral particles and nanoparticles.03-26-2009
20080233399Vinyl-Cis-Polybutadiene Rubber and Butadiene Rubber Composition Using the Same - A vinyl.cis-polybutadiene rubber is provided containing 1,2-polybutadiene and a polymer substance of a melting point lower than that of the 1,2-polybutadiene and with at least one unsaturated double bond per repeating unit, where the 1,2-polybutadiene and the polymer substance are dispersed at physically and/or chemically adsorbed states in the cis-polybutadiene rubber as the matrix component of the vinyl.cis-polybutadiene rubber, and a method for producing the same, to provide a vulcanized product exerting a small die swell ratio and excellent extrusion processability and operability, as well as very great characteristics demanded for the side tread of tire and the like.09-25-2008
20090246522ENDLESS SHAPED ARTICLE OF ULTRA-HIGH MOLECULAR WEIGHT POLYEFIN FILAMENTS AND/OR STAPLE FIBRES AND A PROCESS FOR MAKING THE SAME - Endless shaped article, comprising at least partly fused ultra-high molecular weight polyolefin filaments and or staple fibres. Also claimed is a process for producing the endless shaped article by winding a fibre (10-01-2009
20090117380Filament Bundle Type Nano Fiber and Manufacturing Method Thereof - A filament type nano-sized long fiber and a method of producing the same. In the method, a spinning solution or a spinning melt is electro-spun in drops using a spinneret to which a critical voltage is applied, and the spun drops are continuously collected on a multi-collector. The spinning solution is produced by dissolving a blend or copolymer consisting of two or more kinds of polymers in a solvent. The spinning melt is produced by melting the polymers. The multi-collector is selected from the group consisting of a plate type collector, a roll type collector, and a combination thereof. The filament type nano-sized long fiber is processed into a yarn through one step during the electrospinning process, and thus, mechanical properties are better than those of a conventional nanofiber non-woven fabric. Consequently, the filament type nano-sized long fiber can be utilized for the extended application.05-07-2009
20130122297MOLECULAR GAUGE BLOCKS FOR BUILDING ON THE NANOSCALE - Disclosed herein is a way to produce a series of discrete sized slender, rigid oligoparaxylene molecules ranging from 1-5 nm in length. Molecules, based on 1-7, 9-11 paraxylene rings, have been synthesized as part of a homologous series of oligoparaxylenes (OPXs) with a view to providing a molecular tool box for the construction of nano architectures—such as spheres, cages, capsules, metal-organic frameworks (MOFs), metal-organic polyhedrons (MOPs) and covalent-organic frameworks (COFs), to name but a few—of well-defined sizes and shapes. Twisting between the planes of contiguous paraxylene rings is generated by the steric hindrance associated with the methyl groups and leads to the existence of soluble molecular gauge blocks without the need—at least in the case of the lower homologues—to introduce long aliphatic side chains onto the phenylene rings in the molecules.05-16-2013
20100178507Polyamide Fine Fibers - Improved microfiber and nanofiber properties can be obtained from a novel nylon material. Such nylon comprises alkyl modified nylon 6, a methoxy modified nylon 8, a methoxy modified nylon 12 or other similar nylons prepared from a cyclic lactam.07-15-2010
20100215957FIBER CROSS-LINKED BODY AND MANUFACTURING METHOD OF FIBER CROSS-LINKED BODY - A cross-linked fiber is provided by cross-linking a fiber made of polyglutamic acid sodium of molecular weight of 200,000 or more and a polymer cross-linking agent. The polymer cross-linking agent is preferably a polymer having an oxazoline group or a polymer having an epoxy group. The cross-linked fiber is manufactured by: spinning threads from a solution in which the material is mixed by an electrostatic spinning to form a fiber and a fiber assembly; and heating the fiber and the fiber assembly to form the cross-linked fiber.08-26-2010
20100255305PRODUCTION METHOD FOR A LOW-DISLOCATION BULK ALN SINGLE CRYSTAL AND LOW-DISLOCATION MONOCRYSTALLINE ALN SUBSTRATE - A bulk AlN single crystal is grown on a monocrystalline AlN seed crystal having a central longitudinal mid-axis and disposed in a crystal growth region of a growing crucible. The bulk AlN single crystal grows in a growth direction oriented parallel to the longitudinal mid-axis by deposition on the AlN seed crystal. The crucible has a lateral crucible inner wall extending in the growth direction, a free space being provided between the AlN seed crystal and the growing bulk AlN single crystal on the one hand, and the lateral crucible inner wall on the other hand. Bulk AlN single crystals and monocrystalline AlN substrates produced therefrom are therefore obtained with only few dislocations, which furthermore are substantially distributed homogeneously. The growing crucible, inside which the crystal growth region is located, is an inner growing crucible which is arranged in an outer growing crucible. The two growing crucibles are provided with a crucible lid with a gap formed between the inner growing crucible and the crucible lid through which some of the AlN growth gas phase generated inside the crystal growth region escapes and is deposited on a crucible bottom of the outer growing crucible which lies opposite the crucible lid.10-07-2010
20100239861FLUID FORMULATIONS FOR ELECTRIC-FIELD-DRIVEN SPINNING OF FIBERS - A first method comprises: dissolving a polymer in a terpene, terpenoid, or aromatic solvent to form a polymer solution; dissolving a salt in a polar organic solvent to form a salt solution; and mixing the salt solution and the polymer solution to form a mixture. The salt and the polar organic solvent do not cause substantial precipitation of the polymer upon mixing with the polymer solution. A resulting terpene, terpenoid, or aromatic solvent phase of the mixture is suitable for forming fibers by electric-field-driven spinning from one or more spinning tips onto a target substrate. A composition comprises the terpene, terpenoid, or aromatic solvent phase of the mixture resulting from the method. A second method comprises forming fibers by electric-field-driven spinning of the first composition from one or more spinning tips onto a target substrate. A second composition comprises the fibers formed by the second method.09-23-2010
20100233480PROCESS FOR PRODUCING FIBER OF ULTRA HIGH MOLECULAR WEIGHTPOLYETHYLENE - A process for producing fiber of ultra high molecular weight polyethylene, with a flat cross-section and high cohesiveness, is disclosed. The process includes: distributing the powder of UHMWPE into a solvent evenly; preparing an uniform emulsion mixture by properly untangling with high shear; at the same time adding polar polymer comprising polar groups, for example a carboxyl group, a carbonyl group, an ether group, or an ester group and so on; evenly distributing the polar polymer together with the polyethylene powder in the solvent to form an uniform emulsion mixture; forming a gel filament from the emulsion mixture by gel spinning method, then extracting, drying, and stretching so as to obtain the UHMWPE fiber, with a flat cross section, high strength and cohesiveness. By properly untangling, the swelling and dissolving of the ultra high molecular weight polyethylene can be accelerated, while the polar polymer being evenly distributed therein can significantly improve the adhesive property of the fiber. The operations in the production method are easy, and furthermore, time, labor and cost can be saved. The section of the fiber is of a flat rectangle shape and the wall is thin and even, so the path for the solvent in the fiber diffusing out of the gel filament can be significantly shorten, and thus the efficiency of extraction and the uniformity of the fiber can be improved.09-16-2010
20120196123Compositions for Preparing Plant Fiber Composites and Plant Fiber Composites Prepared from the Same - Provided is a composition for preparing plant fiber composite has, by weight based on the whole composition: a plant fiber raw material in an amount ranging from 60% to 80%; a starch auxiliary in an amount ranging from 10% to 30%; and a biological polymer additive in amount ranging from 10% to 20%, wherein the biological polymer additive includes a plant hormone, an enzyme, a vinegar and an ester of lactic acid. Plant fiber composite prepared from the composition is also provided. The plant fiber composite is derived from recycled material for extrusion and modeling, as a non-toxic and harmless raw material with high utilizing rate of recycled material and substitutes for plastic materials. The plant fiber composite is applied to food container, packing materials for electronic device and agricultural products, seedling trays, or substitutes for timber in the field of building, decoration and furniture.08-02-2012
20120196124STRUCTURES COMPRISING AN ASSOCIATION AGENT AND PROCESSES FOR MAKING SAME - Polysaccharides and/or hydroxyl polymers, more particularly, structures, especially fibers, comprising a polysaccharide and/or hydroxyl polymer and an association agent, fibrous structures comprising such structures and processes for making such structures and/or fibrous structures are provided.08-02-2012
20090110927Resin Composition, Molded Article and Production Method Thereof - A resin composition includes an aliphatic polyester resin. The resin has carboxyl groups at the end termini of the molecular chain and at least one compound represented by the general formula (I), the compound being added to the resin to cap a part or all of the carboxyl groups at the end termini of the molecular chain of the resin. A process for producing a fiber includes mixing a pellet comprising an aliphatic polyester resin having carboxyl groups at the end termini of the molecular chain with a compound represented by the general formula (I) so that the content of the compound becomes 0.1 to 8% by weight and then melt-spinning the resulting mixture under the conditions of a spinning temperature of 200 to 250 C.°, a melt residence time of 180 to 1800 sec and a spinning rate of 500 to 10000 m/min. (I) wherein at least one of R1 to R3 represents a glycidyl group and the other group or groups independently represents or represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a hydroxyl group or an allyl group.04-30-2009
20100310868REFINED FIBER - A refined fiber having an average length of 2 to 4 millimeter, a filler retention value of at least 18%, and a green strength value of at least 1.8 mJ/mm12-09-2010
20110033705CARBON FIBER AND METHOD FOR PRODUCING THE SAME - A carbon fiber having a lattice spacing (d02-10-2011
20110129668ORGANIC-INORGANIC HYBRID NANOFIBER FOR THERMOELECTRIC APPLICATION AND METHOD OF FORMING THE SAME - Provided is an organic-inorganic hybrid nanofiber including an inorganic semiconductor material in a nanoparticle or nanocrystal state, and a conductive polymer including the inorganic semiconductor material and having a lower thermal conductivity than the inorganic semiconductor material. The inorganic semiconductor material and the conductive polymer are arranged in a composite material type to have a thermoelectric property. Thus, the organic-inorganic hybrid nanofiber can be applied to a low-priced thermoelectric device having relatively high thermoelectric conversion efficiency.06-02-2011
20110086225FLAME-RETARDANT SPUN-DYED POLYSETE FIBER, FLAME- RETARDANT MATERIAL COMPRISING THE SAME, AND PROCESS FOR PRODUCING FLAME-RETARDANT SPUN-DYED POLYESTER FIBER04-14-2011
20090311529HIGH TENACITY THERMOPLASTIC POLYURETHANE MONOFILAMENT AND PROCESS FOR MANUFACTURING THE SAME - The present invention relates to a high tenacity polyurethane monofilament and a process for manufacturing the same, comprising of orienting and dynamic annealing of a polyurethane-containing monofilament. In addition to high tenacity, the present invention imparts reduced shrinkage and elongation to monofilament fibers, facilitating the use of thermoplastic elastomers in industrial fabrics, particularly in paper machine clothing (PMC). The brief abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.12-17-2009
20100055457INORGANIC FIBRE COMPOSITIONS - Melt formed inorganic fibres are disclosed having the composition:—03-04-2010
20110177335FIBER COMPRISING STARCH AND A SURFACTANT - The present invention relates to a fiber having starch and a surfactant, and a web employing such a fiber.07-21-2011
20110250451Carbon Nanotube Films And Methods Of Forming Films Of Carbon Nanotubes By Dispersing In A Superacid - A novel method of forming thin films of carbon nanotubes (CNTs) is described. In this method, carbon nanotubes are dispersed in a superacid solution and laid down on a substrate to form a conductive and transparent CNT network film. The superacid, in its deprotonated state, is an anion that has a permanent dipole moment. The superacid solution may be a pure superacid or have additional solvent. Preferably, the superacid solution does not contain an oxidizing agent. Novel, highly conductive and transparent CNT network films are also described.10-13-2011
20110250452FIRE RETARDANT COMPOSITIONS AND METHODS AND APPARATUSES FOR MAKING THE SAME - A method for forming yarn provides for forming an intermediate product being a fire retardant and heat resistant cohesive elongated network of fibers in a single operation by stretching and breaking filaments of a ribbon like tow starting material of longitudinally aligned filaments. The intermediate product may be wool-like with wavy and randomly oriented fibers formed by from the fragmented filaments. The single drafting operation includes directing the tow through first and second pairs of rollers, the second pair rotating faster than the first. The intermediate product may be spun directly into yarn in one spinning/twisting operation. The fire retardant and heat resistant yarn so produced may include 100% oxidized polyacrylonitrile fibers having an average length greater than about 15 cm. The yarn may be knitted or otherwise formed into fire-retardant and heat resistant fabrics or other products used in various applications.10-13-2011
20110070439Rod-Type Polysilicon Having Improved Breaking Properties - Rod-type, polycrystalline silicon having a rod diameter of >100 mm are obtained by deposition of silicon-containing gas according to the Siemens method, wherein the Si rods are brought into contact with hydrogen at the end of the deposition process during cooling in the reactor, and the cooled Si rods obtained have in perpendicular cross section cracks and/or radial stresses having a defined size.03-24-2011
20110045298FABRICATION OF NANOWIRES - A method of forming a nanowire is disclosed. In one embodiment, a primary preform is formed comprising at least one central region and a support structure. The primary preform is then drawn to a cane, which is then inserted into an outer portion, to form a secondary preform. The secondary preform is then drawn until the at least one central portion is a nanowire. The method can produce nanowires of far greater length than existing methods, and can reduce the likelihood of damaging the nanowire when handling.02-24-2011
20090130443Fiber pellets, method of making, and use in making fiber reinforced polypropylene composites - The present disclosure is directed generally to synthetic organic fiber pellets, methods for making such pellets, and methods of using such pellets for making fiber reinforced polypropylene composite resins. The synthetic organic fiber pellets include at least 80 wt % of a synthetic organic fiber chosen from polyalkylene terephthalates, polyalkylene naphthalates, polyamides, polyolefins, polyacrylonitrile, and combinations thereof, and from 2 to 20 wt % of one or more waxes. The synthetic organic fiber pellets are produced using a pelleting press process. Also provided is a method for making fiber reinforced polypropylene composite pellets including feeding into a compounding extruder at least 25 wt % polypropylene based polymer, from 5 to 60 wt % of synthetic organic fiber in the form of the synthetic organic fiber pellets, and from 0 to 60 wt % inorganic filler; extruding the polypropylene based resin, the fiber pellets, and the inorganic filler through the compounding extruder to form a fiber reinforced polypropylene composite melt; cooling the fiber reinforced polypropylene composite melt to form a solid fiber reinforced polypropylene composite; and pelletizing the solid fiber reinforced polypropylene composite to form fiber reinforced polypropylene composite pellets; wherein an article molded from the composite pellets has a flexural modulus of at least 2.07 GPa and exhibits ductility during instrumented impact testing. Articles molded from the fiber reinforced polypropylene composite pellets find application as automotive parts, household appliance parts, or boat hulls.05-21-2009
20090022991METHOD AND DEVICE FOR HOMOGENIZING A VISCOUS SUBSTANCE - A melter including an upper chamber configured to receive marbles or the like, and a lower chamber separated from the upper chamber by a porous wall through which, as the result of heating, glass marbles or the like liquefy in the form of a batch. The upper and lower chambers define a melting zone. A refining zone is fed via at least one channel emerging from the melting zone.01-22-2009
20090246521COMPOSITION OF MATTER FOR COMPOSITE PLASTIC CONTACT ELEMENTS FEATURING CONTROLLED CONDUCTION PATHWAYS, AND RELATED MANUFACTURING PROCESSES - Exemplary embodiments provide composite materials, methods for making and processing these materials, and systems for using the composite materials. The disclosed composite material (or composite member) can include fiber-like and/or particulate materials incorporated within a binder polymer. For example, the composite member can include fibril-shaped, semi-conductive elements that are contained in a suitable binder polymer to achieve a particular resistance value, wherein the fibrils can be integrated and interlinked in a manner as to create an array of resistive elements that precisely define and control current flows through the related device. The composite member can therefore have resistive characteristics and, none or neglectablely low amount of capacitive or inductive characteristics. The composite member can be used in electric test market, e.g., as high performance, dynamic probes/sensors for very frequency and/or complex mixed-frequency signals.10-01-2009
20080318044TITANATE NANOWIRE, TITANATE NANOWIRE SCAFFOLD, AND PROCESSES OF MAKING SAME - In one aspect, the present invention relates to a synthetic nanostructure. In one embodiment, the synthetic nanostructure has a top region substantially comprising titanate nanowires, a middle region substantially comprising titanate nanoparticles and titanate nanowires, and a bottom region substantially comprising titanium, wherein some of the titanate nanowires of the top region are extending into the middle region, wherein the middle region is between the top region and the bottom region, and wherein some of the titanate nanowires of the top region are substantially perpendicular to the bottom surface of the titanium substrate. At least some of the titanate nanowires in the top region form 3D macroporous scaffolds with interconnected macropores.12-25-2008
20080213590Invention Concerning Agricultural Active Substances - The invention relates to supports consisting of nanoscalar polymer fibres, polymer tubes or hollow fibres for the application and targeted and/or delayed release of ingredients, in particular, agricultural active ingredients. The invention also relates to a method and a device for the production of supports of this type in a charged or empty state. The method and device use electrospinning technology.09-04-2008
20080241539Glass fiber package, method for packing of glass fiber and glass fiber product using the same - An object of the present invention is to provide a glass fiber package where a glass fiber aggregate which contains alkali-containing glass wool fiber of a very small diameter having an average fiber size of 5 μm or less or, particularly, less than 1 μm and containing 5% or more by weight or, particularly, 10% or more by weight of alkali metal oxide components is packed in a compressed state to give a form which is able to be handled as a freight, and in which, fiber breakage (lowering in the fiber length) and fiber adhesion caused by compression packing is hardly resulted even upon a long-term storage whereby the properties inherent to the glass fiber immediately after its manufacture is apt to be maintained; to provide a method for packing the glass fiber; and to provide a glass fiber product using the same.10-02-2008
20120135234BIODEGRADABLE NANOFIBERS AND IMPLEMENTATIONS THEREOF - A fibrous product is described that comprises biodegradable fibers on a substrate. The fibers originate from a deposition solution that comprises a protein-based component and a carrier polymer component, each configured so that the resulting deposition solution can be deposited using electro-deposition techniques. In one embodiment, the proteins in the deposition solution are denatured in a manner that modifies the viscosity of the resulting deposition solution so that the deposition solution is compatible with electro-spinning.05-31-2012
20120148844NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES - Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.06-14-2012
20110086226Unbonded loosefill insulation - An improved unbonded loosefill insulation material having a multiplicity of tufts and a plurality of voids between the tufts is provided. The tufts have an average major tuft dimension. The average major tuft dimension of the tufts of the improved unbonded loosefill insulation material is shorter than an average major tuft dimension of tufts of conventional unbonded loosefill insulation material, thereby providing the improved unbonded loosefill insulation material with a higher insulative value than conventional unbonded loosefill insulation material.04-14-2011
20110256401PROCESS FOR PRODUCING CARBON NANOTUBES AND CARBON NANOTUBES PRODUCED THEREBY - A process of producing a composite having carbon nanotubes is described where the carbon nanotube formation process of producing carbon nanotubes includes controlled heating of plant fiber materials in an oxygen-limited atmosphere. The plant fiber materials may be heated either cyclically or by rapid heating to produce the carbon nanotubes.10-20-2011
20100285315POLYPHENYLENE SULFIDE FIBER AND PROCESS FOR PRODUCING THE SAME - A polyphenylene sulfide fiber has a large single-filament fineness, does not require special production equipment and serves as industrial material for uses where high rigidity is needed. A low-cost process produces the polyphenylene sulfide fiber with high spinnability. A polyphenylene sulfide fiber has a single-filament fineness of 10 to 50 dtex and a tenacity of 4.5 to 6 cN/dtex and the method attaches an aqueous lubricant to the surface up to 0.1 to 1 wt % and subsequently attaches a anhydrous lubricant to the surface so that the total weight of the surface-attached oil will accounts for 0.5 to 2 wt %.11-11-2010
20090197084BIOCIDAL FIBERS - The present invention provides graft biocidal N-halamine polymers. The biocidal polymers are prepared by contacting precursor graft polymers with a halogen source. The precursor graft polymers are prepared by grafting a polymer, such as a polyolefin, with a vinyl monomer under suitable conditions, for example, a reactive extrusion condition. In one embodiment, the graft polymerization is carried out in the presence of a vinyl monomer and a radical initiator. The biocidal polymers have potent antimicrobial activities against a broad spectrum of microorganisms and virus, such as 08-06-2009
20110189482CROSSLINKING SYSTEMS FOR HYDROXYL POLYMERS - Crosslinking systems suitable for use in a polymer melt composition wherein the polymer melt composition comprises a hydroxyl polymer; polymeric structures made from such polymer melt compositions; and processes/methods related thereto are provided.08-04-2011
20120308822MATERIAL FOR PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION DEVICE - The present invention provides a photoelectric conversion device that is durable, lightweight, and inexpensive, and has a network structure of organic semiconductor nanowires that has high durability and is suitable for charge transport. In addition, to provide the photoelectric conversion device, the present invention provides, as an electron-donating material, a material for a photoelectric conversion device, the material including phthalocyanine nanowires having a breadth of 50 nm or less and a ratio (length/breadth) of a length to the breadth, the ratio being 10 or more. According to the present invention, a photoelectric conversion device having a long life due to high light resistance of phthalocyanine can be provided at a low cost. Use of such photoelectric conversion devices can constitute a solar-cell module having a long life due to the feature of the photoelectric conversion devices and being manufactured at a low cost.12-06-2012
20090092835BAST FIBERS OBTAINED FROM AN EXTRACTION AND PREPARATION PROCESS - The present invention generally relates to a process for the extraction and preparation of bast fibers with high quality and high counts. The process is suitable for ramie, hemp and flax. The present invention also relates to bast fibers with high counts produced according to the process, as well as pure yarns and mixed, blended yarns made from said bast fibers.04-09-2009
20110020646NANODIAMONDS AND DIAMOND-LIKE PARTICLES FROM CARBONAEOUS MATERIAL - A method for producing a nanodiamond (n-diamond, p-diamond, i-carbon) in which a nanodiamond is removed from an activated carbon containing the nanodiamond. The activated carbon is prepared by carbonizing and/or activating a carbonaceous feedstock while restricting the presence of oxygen sufficiently to result in the formation of nanodiamonds embedded in carbon. The nanodiamonds can be separated and purified from the activated carbon, and can be concentrated by treatment of the activated carbon with an oxidizing agent. Also provided is a method for producing a nanodiamond, and particularly a nanodiamond fiber, by mixing a carbon source, a metal and an acid under conditions which result in nanodiamond formation. Nanodiamond fibers up to 2000 nanometers or more can be produced. The nanodiamond fibers can be woven or used to provide structural reinforcement for various materials.01-27-2011
20080233400Nanofibers from Polyaniline derivatives and methods of synthesizing and using the same - Embodiments of this invention are directed to polyaniline derivatives and methods of synthesizing and using the same. The invention is also directed to polyaniline derivatives that can be synthesized without the need for templates or functional dopants by using an initiator as part of a reaction mixture.09-25-2008
20090042031METHOD OF PRODUCING ISLANDS-IN-SEA TYPE COMPOSITE SPUN FIBER - The method of producing an islands-in-sea type composite spun fiber having an island component diameter of 1 μm or less according to the present invention comprises drawing (superdrawing) with a total draw ratio of from 5 to 100 an undrawn islands-in-sea type composite spun fiber having been prepared by spinning at a spinning speed of from 100 to 1,000 m/min, at temperatures higher than the glass transition points of both the polymer forming the sea component and the polymer forming the island components of the composite spun fiber.02-12-2009
20080318043Carbon fibers from kraft softwood lignin - An acetylated softwood lignin fiber having a diameter of 5 to 100 microns.12-25-2008
20120040186Process For Preparing Catalyst Composition For The Synthesis Of Carbon Nanotube With High Yields Using The Spray Pyrolysis Method - The present invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube with high yields using the spray pyrolysis method. More particularly, this invention relates to a process for preparing catalyst composition for the synthesis of carbon nanotube comprising the steps of i) dissolving multi-component metal precursors of catalyst composition in de-ionized water; ii) spraying obtained catalytic metal precursor solution into the high temperature reactor by gas atomization method; iii) forming the catalyst composition powder by pyrolysis of gas atomized material; and iv) obtaining the catalyst composition powder, wherein said catalyst composition comprises i) main catalyst selected from Fe or Co, ii) Al, iii) optional co-catalyst at least one selected from Ni, Cu, Sn, Mo, Cr, Mn, V, W, Ti, Si, Zr or Y, iv) inactive support of Mg. Further, the catalyst composition prepared by this invention has a very low apparent density of 0.01˜0.50 g/ml as well as the catalyst composition affords high production yield (1,000˜1,800%) of carbon nanotube.02-16-2012
20090311530SILVER NANOWIRE, PRODUCTION METHOD THEREOF, AND AQUEOUS DISPERSION - To provide a method for producing a silver nanowire, including heating a silver complex in an aqueous solvent at a temperature equal to or below the boiling point of the aqueous solvent in the presence of at least one of a hydroxyketone compound and a hydroxylamine compound, and a silver nanowire obtained by the method.12-17-2009
20120040185Toughened Polylactic Acid Fibers - Polylactic acid fibers formed from a thermoplastic composition that contains polylactic acid and a polymeric toughening additive are provided. The present inventors have discovered that the specific nature of the components and process by which they are blended may be carefully controlled to achieve a composition having desirable morphological features. More particularly, the toughening additive can be dispersed as discrete physical domains within a continuous phase of the polylactic acid. These domains have a particular size, shape, and distribution such that upon fiber drawing, they absorb energy and become elongated. This allows the resulting composition to exhibit a more pliable and softer behavior than the otherwise rigid polylactic acid. Through selective control over the components and method employed, the present inventors have discovered that the resulting fibers may thus exhibit good mechanical properties, both during and after melt spinning.02-16-2012
20120009419NANOFIBERS FROM POLYANILINE DERIVATIVES AND METHODS OF SYNTHESIZING AND USING THE SAME - Embodiments of this invention are directed to substituted polyaniline nanofibers and methods of synthesizing and using the same. The invention is also directed to polyaniline derivatives that can be synthesized without the need for templates or functional dopants by using an initiator as part of a reaction mixture.01-12-2012
20100272994MULTI-COMPONENT FIBERS - Multi-component fibers comprising at least one polymer having a softening temperature up to 150° C., and another polymer having a melting point of at least 130° C. The fibers are non-fusing up to at least 110° C. The fibers are useful, for example, for flowback control in wellbores and reservoirs.10-28-2010
20110104493POLYPROPYLENE FIBROUS ELEMENTS AND PROCESSES FOR MAKING SAME - Polypropylene fibrous elements and more particularly polypropylene microfiber fibrous elements, fibrous structures including polypropylene fibrous elements, and processes for making same are provided.05-05-2011
20100247912Method for Manufacturing LMA Optical Preforms and Fibers - A method of producing a large mode area optical preform includes selecting a preexisting rod and at least one preexisting outer tube. The rod and tube are selected so that a difference between respective indices of refraction is uniform and lies within the desired range, and a ratio between respective rod and tube diameters is within the desired range after the rod is inserted into the tube and both are thermally treated. The predetermined ranges are selected to provide mass production of a large mode area fiber with the desired physical and geometrical characteristics.09-30-2010
20100209706Nano-Material and Method of Fabrication - A fluffy nano-material and method of manufacture are described. At 2000× magnification the fluffy nanomaterial has the appearance of raw, uncarded wool, with individual fiber lengths ranging from approximately four microns to twenty microns. Powder-based nanocatalysts are dispersed in the fluffy nanomaterial. The production of fluffy nanomaterial typically involves flowing about 125 cc/min of organic vapor at a pressure of about 400 torr over powder-based nano-catalysts for a period of time that may range from approximately thirty minutes to twenty-four hours.08-19-2010
20120213999GRAPHITE NANO-CARBON FIBER AND METHOD OF PRODUCING THE SAME - According to one embodiment, there is provided a graphite nano-carbon fiber provided by using an apparatus having a reactor capable of keeping a reducing atmosphere inside thereof, a metal substrate arranged as a catalyst in the reactor, a heater heating the metal substrate, a hydrocarbon source supplying hydrocarbon to the reactor, a scraper scraping carbon fibers produced on the metal substrate, a recovery container recovering the scraped carbon fibers, and an exhaust pump discharging exhaust gas from the reactor. The carbon fibers are linear carbon fibers with a diameter of 80 to 470 nm formed with layers of graphenes stacked in a longitudinal direction.08-23-2012
20110177334MANGANESE TETRATHIOTUNGSTATE MATERIAL - The present invention is directed to a manganese tetrathiotungstate composition.07-21-2011
20100173157NANOCOMPOSITE MATERIAL APPARATUS, NANOCOMPOSITE MATERIAL AND METHOD FOR FABRICATING THEREOF, NANO MATERIAL APPARATUS AND NANO MATERIAL - A nanocomposite material apparatus suitable for fabricating a nanocomposite material from different materials is provided. The nanocomposite material apparatus includes an acceleration inner tube and a collection outer tube. The acceleration inner tube disposed along a rotation axis has a top surface, a bottom surface and an outer peripheral surface. Pipes for accelerating different materials is distributed within the acceleration inner tube. Each pipe includes an inlet, an outlet opening at the outer peripheral surface and a spiral trench connecting the inlet and the outlet. Nano materials having electricity are emitted from the corresponding outlets by accelerating different materials within the corresponding pipes. The collection outer tube disposed surroundingly on the acceleration inner tube is suitable for moving oppositely thereto, so that the nano-materials emitted from the outer peripheral surface are combined with one another and form a nanocomposite material on the inner wall of the collection outer tube.07-08-2010
20120171486Biosoluble inorganic fiber - An inorganic fiber having the following composition: 71 wt % to 80 wt % of SiO07-05-2012
20120171488SHEETS INCLUDING FIBROUS AEROGEL AND METHOD FOR PRODUCING THE SAME - Disclosed herein is a method for producing a sheet including a silica aerogel, the method including (S1) gelling a water glass solution in a mixture of an alcohol and water to prepare a wet gel, (S2) hydrophobically modifying the surface of the wet gel with a non-polar organic solvent, an organosilane compound and an alcohol, (S3) dissolving the hydrophobically modified silica gel and a polymer in an aprotic organic solvent to prepare an electrospinning solution, and (S4) electrospinning the electrospinning solution to produce a fiber web including a silica aerogel, and a sheet in which a polymer and a silica aerogel coexist in the form of a fiber.07-05-2012
20120077034SYNTHESIS OF SILICON NANORODS - A method for making silicon nanorods is provided. In accordance with the method, Au nanocrystals are reacted with a silane in a liquid medium to form nanorods, wherein each of said nanorods has an average diameter within the range of about 1.2 nm to about 10 nm and has a length within the range of about 1 nm to about 100 nm.03-29-2012
20100047576CROSSLINKING SYSTEMS FOR HYDROXYL POLYMERS - Crosslinking systems suitable for use in a polymer melt composition wherein the polymer melt composition comprises a hydroxyl polymer; polymeric structures made from such polymer melt compositions; and processes/methods related thereto are provided.02-25-2010
20100047575Nanotube-amino acids and methods for preparing same - The present invention is directed toward compositions comprising carbon nanotubes (CNTs) that are sidewall-functionalized with amino acid groups, and to amino acid compositions comprising carbon nanotubes. The present invention is also directed to simple and relatively inexpensive methods for the preparation of such compositions. Such compositions are expected to greatly extend the bio-medical applications of CNTs.02-25-2010
20100009187Polycrystalline Corundum Fibers And Method For The Production Thereof - The invention relates to polycrystalline corundum fibers substantially consisting of corundum and an oxide of the elements of the main groups I or II of the periodic table. The crystallites of said corundum fibers have the following grain size distribution: 0 to 0.15 micrometers (34%), 0.15 to 0.29 micrometers (55%) and 0.29 to 0.43 micrometers (11%). Said corundum fibers are produced by mixing nuclei and an oxide former of the elements of the main groups I or II of the periodic table with an aluminium chlorohydrate, by adding a water-soluble polymer, then by spinning fibers from said mixture and by calcining said fibers at temperatures above 1100° C.01-14-2010
20090068466TITANIA FIBER AND METHOD FOR MANUFACTURING TITANIA FIBER - A titania fiber which is excellent in a balance between a BET specific surface area and which is able to reveal sufficient photocatalytic activity while having mechanical strength and a method for manufacturing the subject titania fiber are provided. By using a titanium oxide particle-containing as a fiber forming composition for forming a titania fiber, a fiber aggregate is manufactured from the subject composition by an electrospinning method and then baked, thereby obtaining a titania fiber which has an average fiber diameter of 50 nm or more and not more than 1,000 nm; when a reflection method by a goniometer is employed, has a crystallite size of 50 nm or more and not more than 200 nm; and has a BET specific surface area of 3 m03-12-2009
20090061225STARCH FIBER - The present invention relates to a starch composition comprising starch, a polymer that is substantially compatible with starch and has a weight-average molecular weight of at least 500,000 such that the polymer forms effective entanglements or associations with neighboring starch molecules, and preferably at least one additive to improve melt flow and melt processability. The additive may be a hydroxyl plasticizer, a hydroxyl-free plasticizer, a diluent, or mixtures thereof. The composition is melt processable on conventional thermoplastic equipment. The composition is especially suitable for uniaxial and biaxial extensional processes to make fibers, films, foams and like products.03-05-2009
20110123803PROCESS FOR PRODUCING COLLOIDAL CRYSTAL AND COLLOIDAL CRYSTAL - Provided is a process for producing colloidal crystals from which a large single crystal reduced in lattice defects and unevenness can be easily produced at low cost without fail. The process for colloidal crystal production comprises: preparing a colloidal polycrystal dispersion in which colloidal crystals precipitate at a given temperature (preparation step); introducing into a vessel The colloidal polycrystal dispersion in the state of containing fine colloidal polycrystals precipitated (introduction step); and melting the colloidal polycrystals and then recrystallizing the molten polycrystals (recrystallization step). The crystals thus obtained have fewer lattice defects and less unevenness than the original polycrystals.05-26-2011
20120231274CERAMIC FIBER COMPOSITION WHICH IS SOLUBLE IN SALT - A biodegradable ceramic fiber composition for a high-temperature thermal insulator is provided. The composition includes: 58 to 67% by weight SiO09-13-2012
20100233481CELLULOSE NANOFIBER PRODUCTION METHOD OF SAME AND CELLULOSE NANOFIBER DISPERSION - The cellulose nanofiber production method of the present invention comprises an oxidation treatment step for oxidizing native cellulose in a neutral or acidic reaction solution containing an N-oxyl compound and an oxidizing agent that oxidizes aldehyde groups, and a dispersion step for dispersing the native cellulose in a medium following the oxidation treatment step. According to the production method of the present invention, a cellulose nanofiber is provided that has long fibers and demonstrates high strength.09-16-2010
20120328877CELLULOSE NANOFIBERS, METHOD FOR PRODUCING SAME, COMPOSITE RESIN COMPOSITION AND MOLDED BODY - The present invention is cellulose nanofibers having an average polymerization degree of 600 to 30000, an aspect ratio of 20 to 10000, an average diameter of 1 nm to 800 nm, and an Iβ-type crystal peak in an X-ray diffraction pattern.12-27-2012
20100203332METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE FIBER AND POLYTETRAFLUOROETHYLENE FIBER - The present invention provides a method for producing a PTFE fiber that makes it possible, unlike the emulsion spinning process, to obtain a polytetrafluoroethylene (PTFE) fiber, particularly a long PTFE fiber, without using a matrix material, is more productive than conventional production methods such as a slit yarn process, and is capable of enhancing mechanical properties and the degree of freedom in diameter of the obtained fiber. The method for producing the PTFE fiber of the present invention includes the step of reducing a diameter of a string-shape PTFE-containing solid material (a first solid material) by drawing the first solid material at a temperature equal to or higher than a melting point of PTFE. The first solid material can be obtained from a PTFE-containing solid material (a second solid material) containing water and a surfactant, by reducing an amount of the water contained in the second solid material.08-12-2010
20090176095Novel triphenylmethane derivative, organic gellant containing the same, organic gel, and organic fiber - In accordance with the present invention, there are provided a triphenylmethane derivative represented by the following general formula (1), an organic gelling agent containing the triphenylmethane derivative, an organic gel and an organic fiber. The triphenylmethane derivatives of the present invention can exhibit a capability of gelling various organic solvents even when used in a small amount notwithstanding these derivatives are low-molecular compounds. The resultant organic gel is useful as materials usable under a high-temperature condition such as chemomechanical system materials, impact and vibration absorbing materials, drug base materials, controlled drug-release materials, and silicone oil gels for solidification of electrolytic solutions and for cosmetics. In addition, an organic nanofiber can be produced from the triphenylmethane derivative by a simple process. The organic nanofiber can be applied to wiring materials for electronic devices, separation membranes for nano-scale substances, high-efficiency photocatalysts, and culture media for regenerative medical treatments or filters for preventing biochemical hazards utilizing a nonwoven fabric (nano-fabric) made of nanofiber.07-09-2009
20130017394HIGH ASPECT RATIO CELLULOSE NANOFILAMENTS AND METHOD FOR THEIR PRODUCTION - A method to produce on a commercial scale, high aspect ratio cellulose nanofilaments (CNF) from natural lignocellulosic fibers comprises a multi-pass high consistency refining (HCR) of chemical or mechanical fibers using combinations of refining intensity and specific energy. The CNF produced represents a mixture of fine filaments with widths in the submicron and lengths from tens of micrometers to few millimeters. The product has a population of free filaments and filaments bound to the fiber core from which they were produced. The proportion of free and bound filaments is governed in large part by total specific energy applied to the pulp in the refiner, and differs from other cellulose fibrillar materials by their higher aspect ratio and the preserved degree of polymerization (DP) of cellulose, and are excellent additives for the reinforcement of paper, tissue, paperboard and the like. They display exceptional strengthening power for never-dried paper webs.01-17-2013
20110262749THERMAL INSULATOR, THERMAL INSULATING COMPONENT, METHOD OF MANUFACTURING THERMAL INSULATING SMALL FIBER AND METHOD OF MANUFACTURING THERMAL INSULATOR - The present invention enables easy manufacturing of a thermal insulating fine fiber and the like, for example, having a high degree of freedom in size and shape and excellent thermal insulating properties. In a manufacturing method according to the present invention, a first end of a preform constituted by bundling a plurality of pipes 10-27-2011
20130115458THERMOPLASTIC ORGANIC FIBER, METHOD FOR PREPARING THE SAME, FIBER COMPOSITE BOARD USING THE SAME AND METHOD FOR PREPARING THE BOARD - Provided are thermoplastic organic fibers including a copolymerized resin of maleic anhydride with polypropylene, a method for preparing the same, a fiber composite board using the thermoplastic organic fibers as a matrix, and a method for manufacturing the fiber composite board. The thermoplastic organic fibers solve the problem of a limitation in improvement of strength caused by low wettability and adhesion between the thermoplastic organic materials used as a matrix according to the related art and reinforcing fibers.05-09-2013
20130115457POLYPEPTIDE ELECTROSPUN NANOFIBRILS OF DEFINED COMPOSITION - Electrospun nanofibrils and methods of preparing the same are provided. The electrospun nanofibrils comprise at least one polypeptide. A polypeptide can be dissolved in a solution, and the solution can be electrospun into a nanofibril. The solution can be added to a syringe or syringe pump, and an electric field can be applied to electrospin the at least one polypeptide.05-09-2013
20100279115METAL SILICIDE NANOWIRES AND METHODS OF THEIR PRODUCTION - The present invention provides metal silicide nanowires, including metallic, semiconducting, and ferromagnetic semiconducting transition metal silicide nanowires. The nanowires are grown using either chemical vapor deposition (CVD) or chemical vapor transport (CVT) on silicon substrates covered with a thin silicon oxide film, the oxide film desirably having a thickness of no greater than about 5 nm and, desirably, no more than about 2 nm (e.g., about 1-2 nm). The metal silicide nanowires and heterostructures made from the nanowires are well-suited for use in CMOS compatible wire-like electronic, photonic, and spintronic devices.11-04-2010
20080199698Method for producing liquid crystalline polyester fiber - The present invention provides a method for producing a liquid crystalline polyester fiber, the method comprising the steps of discharging an electrically charged solution comprising a liquid crystalline polyester, a fiber-forming polymer and a solvent from a container; and drawing the charged solution by electrical attraction in an electrical field generated between the solution and an electrically charged collecting means having the opposite charge of the solution, while evaporating at least a portion of the solvent to form a liquid crystalline polyester fiber. The fiber obtained in the present invention has a small average fiber diameter and can be made into a thin fiber cloth with high density.08-21-2008
20110256400PROCESS FOR THE PREPARATION OF POLYMER YARNS FROM ULTRA HIGH MOLECULAR WEIGHT HOMOPOLYMERS OR COPOLYMERS, POLYMER YARNS, MOLDED POLYMER PARTS AND THE USE OF POLYMER YARNS - Polymer yarns prepared from ultra high molecular weight homopolymers or copolymers which includes the steps of preparing a suspension of a homopolymer or copolymer and a spinning or gelling solvent, extruding the suspension with the formation of a gel, spinning the gel to obtain non-stretched filaments or yarns, cooling the non-stretched filaments or yarns, feeding the non-stretched filaments or yarns, to an extractor together with the feed of an organic extraction solvent, extracting the non-polar long chain solvent impregnated in the yarns, drying the non-stretched filament bundles or yarns, and stretching said dry yarns at a temperature in excess of 80° C.10-20-2011
20100297444Nanowires - An apparatus and a method of manufacturing the apparatus. The apparatus includes a main nanowire and branch nanowires emanating from the main nanowire. The main nanowire may have a first portion and a second portion. The first portion may have a first carrier concentration and the second portion may have a second carrier concentration, different to the first carrier concentration. Each branch nanowire may emanate from the first portion of the main nanowire. Each branch nanowire may emanate from the main nanowire at a substantially fixed distance along a length of the main nanowire.11-25-2010
20110274927INORGANIC FIBER STRUCTURE AND PROCESS FOR PRODUCING SAME - An inorganic fiber structure comprising inorganic nanofibers having an average fiber diameter of 3 μm or less, in which an entirety including the inside thereof is adhered with an inorganic adhesive, and the porosity thereof is 90% or more, is disclosed. Furthermore, a process for producing an inorganic fiber structure is disclosed, which includes (i) a step of spinning inorganic fibers by an electrospinning method, from a spinning inorganic sol solution containing a compound mainly composed of an inorganic component; (ii) a step of forming an inorganic fiber aggregate by irradiating the inorganic fibers with ions having a polarity opposite to that of the inorganic fibers to accumulate the inorganic fibers; and (iii) a step of forming an inorganic fiber structure adhering to the inorganic fiber aggregate with an inorganic adhesive in an entirety including the inside thereof, in which an adhering inorganic sol solution containing a compound mainly composed of an inorganic component is imparted to an entirety including the inside of the inorganic fiber aggregate, and an excess adhering inorganic sol solution is removed by gas-through.11-10-2011
20130157054HIGH LINEAR DENSITY, HIGH MODULUS, HIGH TENACITY YARNS AND METHODS FOR MAKING THE YARNS - The present invention relates to a yarn, comprising (a) a plurality of fibers having an orientation angle of no more than 8.0 degrees and made of a para-aramid, (b) a linear density of at least 2666 dtex (2400 denier), (c) a modulus of at least 810 grams per dtex (900 grams per denier), and (d) a tenacity of at least 18 grams per dtex (20 grams per denier). The invention further relates to methods of making such yarn.06-20-2013
20110311815METHOD OF MAKING TERNARY PIEZOELECTRIC CRYSTALS - A ternary single crystal relaxor piezoelectric of PMN-PZ-PT grown from a novel melt using the Vertical Bridgeman method. The ternary single crystals are characterized by a Curie temperature, T12-22-2011
20110311814Method for the Formation of PbSe Nanowires in Non-Coordinating Solvent - This disclosure concerns a method of making nanowires in a single flask and in non-coordinating solvent involving the reaction of PbO with oleic acid to produce Pb oleate, heating the Pb oleate to a preferred temperature with additional coordinating ligands, injecting a solution of Se to produce a second solution, heating the second solution, and maintaining the temperature, resulting in nucleation and growth of PbSe nanowires.12-22-2011
20110311813SELF-ASSEMBLED NANOSTRUCTURES - Nanostructures are formed from alkylated derivatives of aromatic acids of the formula:12-22-2011
20120094124ELECTROSPUN SINGLE CRYSTAL MoO3 NANOWIRES FOR BIO-CHEM SENSING PROBES - Single crystal M04-19-2012
20120094123Core wire for guide wire and method for manufacturing the same - Provided is a core wire for guide wire in which high rigidity can be attained even with a fine wire diameter so that pushability is improved while the core wire is prevented from fatigue deformation, and a method for manufacturing the core wire.04-19-2012

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