Entries |
Document | Title | Date |
20080227904 | Thermoplastic Halogenated Polymer Composition - The invention pertains to a thermoplastic halogenated polymer composition comprising: at least one thermoplastic halogenated polymer (A); and less than 30% by weight of (A) of fused silica particles having a BET (N | 09-18-2008 |
20080242792 | ANTIVIBRATION RUBBER COMPOSITION - An antivibration rubber composition containing diene rubber (Component A) and silica (Component B). The amount of the Component B contained is set to a range from 10 to 100 parts by weight with respect to 100 parts by weight of the Component A. The Component B has the following properties, i.e., a surface silanol-group density of not less than 3.0 groups/nm | 10-02-2008 |
20080249228 | Nanocomposite Polymers - Nanocomposite compositions containing a graft polymer and a filler such as nano-sized silica having flame resistant properties are described. | 10-09-2008 |
20080255293 | Silica Powder and Use Thereof - The present invention herein provides silica powder which can be incorporated into a sealing material at a high content to thus give a sealing material having excellent moldability. The silica powder at least has, in the volume-based frequency distribution of particle size as determined by the laser diffraction-scattering technique, a maximum frequency value for a mode peak 1 present in a particle size range extending from 1 to 4 μm and a maximum frequency value for a mode peak 2 present in a particle size range extending from 15 to 55 μm, wherein the maximum frequency value for the mode peak 2 is greater than that for the mode peak 1, the mode peak 2 has a shoulder, and the content of particles whose particle size ranges from 15 to 55 μm is larger than that of particles whose particle size ranges from 1 to 4 μm. | 10-16-2008 |
20080275176 | Silylated Polymer Emulsion and Its Preparation Method and Uses Thereof - The present invention relates to a stable silylated polymer emulsion and its preparation method and uses. The present emulsion comprises a silylated polymer, water, nano silica and an optional emulsifying agent. By using the preparation method of the invention, nano silica can be homogeneously dispersed in a silylated polymer. Without any surface modification, nano silica can be directly added to the silylated polymer and has good compatibility with the silylated polymer. The prepared emulsion has a solid content of <85%, a particle size of less than 3 μm, being of a low VOC content that well meets the environmental protection requirements, and a shelf life of over half a year when stored at room temperature. After volatilization of water, the emulsion can crosslink to form an elastomer, wherein nano silica can play a role of enhancing the mechanical strength of the crosslinked polymer. In use, the emulsion can be directly diluted with water. The emulsion can be used for formulating coatings, adhesives, sealants, inks, skin care products and detergents. | 11-06-2008 |
20080287588 | Thermoplastic elastomer compositions, methods for making the same, and articles made therefrom - Provided are thermoplastic elastomer compositions composed of a thermoplastic component, an elastomeric component, and at least one particulate composition. Particulate compositions are composed of a particulate material and a carrier medium. Exemplary particulate materials include minerals, mineral compounds, including mineral oxides, clays, carbon, nanotubes, and combinations thereof. Typical carrier mediums are one or more polar polymers, apolar polymers, one or more oils, poly α-olefins, or combinations thereof. The at least one particulate composition is dispersed within the thermoplastic component and/or the elastomeric component. Particulate compositions include clay grease compositions wherein a clay, e.g., an exfoliated clay, is utilized as a thickener. | 11-20-2008 |
20080293871 | HIGHLY DISPERSIBLE PRECIPITATED SILICA HAVING A HIGH SURFACE AREA - The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles. | 11-27-2008 |
20080300356 | Fumed Silica - Fumed silica having a BET surface area of 200±15 m2/g, a grindometer value of less than 30 μm and a median value by PCS of 65 to 85 nm is prepared by grinding a fumed silica having a surface area of 200±25 m2/g, and silicone rubber containing this silica. | 12-04-2008 |
20080306203 | Silicon Dioxide Dispersion - The invention relates to a silicon dioxide dispersion that comprises a) an outer flowable phase containing 1) polymerizable monomers, oligomers and/or prepolymers that can be converted to polymers by non-radical reaction; and/or 2) polymers, and b) a disperse phase containing amorphous silicon dioxide. The inventive dispersion is characterized in that the average particle size d | 12-11-2008 |
20080312370 | Use of a Precipitated Silica for Increasing the Impact-Resistance of a Thermoplastic Polymeric Material - The invention relates to a method for employing, in a thermoplastic polymer, a silica having a BET surface less than or equal to 130 m | 12-18-2008 |
20080319121 | Room-Temperature Curable Organopolysiloxane Composition and Electrical or Electronic Devices - A room-temperature curable organopolysiloxane composition comprising: (A) organopolysiloxane that contains in each molecule at least two trialkoxysilyl-containing groups that are bonded to silicon atoms of the molecular chain; (B) diorganodi-alkoxysilane or product of its partial hydrolyzation; (C) organopolysiloxane that contains at least one silicon-bonded phenyl group in each molecule and is free of alkoxy groups; and (D) a titanium chelate catalyst, adheres during curing to a substrate with a sufficient strength but allows separation of a cured body of the composition from the substrate at the interface even after a long period of time. | 12-25-2008 |
20080319122 | PRESSURE-SENSITIVE ADHESIVE CONTAINING AZIRIDINYL SILANES - An adhesive composition comprising an emulsion polymer which comprises a (meth)acrylate copolymer, and aziridinyl silane and an optional silica particle component is described. The addition of the aziridinyl silane results in a significant increase in the shear properties, particularly at elevated temperatures. | 12-25-2008 |
20090030132 | Resin Composition and Molded Article Composed of the Same - A resin composition comprising a polylactic acid-based resin (A) and methacrylic resins (B), wherein the methacrylic resins having at least (a) a difference of 10° C. or more in glass transition temperature or (b) a difference of 3% or more in syndiotacticity; it is preferred that at least one of the methacrylic resins (B) is a methacrylic resin having a weight average molecular weight of 50,000 to 450,000, a glass transition temperature of 110° C. or higher and a syndiotacticity of 40% or more, and that the resin composition further contains a multilayer structure polymer formed as particles each consisting of a core layer and one or more shell layers covering it (C) A molded article made of said resin composition. | 01-29-2009 |
20090030133 | NBR Composition - An NBR composition, which comprises NBR, and white carbon having a specific surface area (BET method) of 30-110 m | 01-29-2009 |
20090030134 | Inorganic Hollow Particle, Process For Producing The Same, And Composition Containing The Same - The present invention herein provides fine inorganic hollow powder having a high hollowness rate, which can be incorporated into, for instance, a low dielectric rubber or resin composition. The inorganic hollow powder has an average hollowness rate of higher than 70% by volume and an average particle size ranging from 3 to 20 μm and the powder preferably has an average hollowness rate ranging from 75 to 85% by volume, an average particle size ranging from 5 to 15 μm, a maximum particle size of not more than 25 μm, a specific surface area of not more than 10 m | 01-29-2009 |
20090036591 | MONODISPERSE SILICA SPHERES CONTAINING POLYAMINE AND PROCESS FOR PRODUCING THE SAME - Monodisperse silica spheres containing polyamine, which comprise a polymer (A) having a linear polyethyleneimine chain, a compound (B) having an acidic group, and silica (C). | 02-05-2009 |
20090082514 | DUAL CURE COATING COMPOSITIONS, MULTI-COMPONENT COMPOSITE COATINGS, AND RELATED COATED SUBSTRATES - Disclosed herein are dual cure coating compositions that include a melamine group-containing polyethylenically unsaturated compound and a polysiloxane. Also disclosed are related multi-component composite coatings, coated substrates, and methods for coating a substrate. | 03-26-2009 |
20090082515 | METHOD OF PREPARING A ROOM TEMPERATURE CURABLE ORGANOPOLYSILOXANE COMPOSITIONS - An RTV organopolysiloxane composition comprising (A) a diorganopolysiloxane having at least two silicon-bonded hydroxyl or hydrolyzable groups and (B) a silane having at least two hydrolyzable groups is loaded with (C) a wet silica having a BET surface area of 50-400 m | 03-26-2009 |
20090099296 | Resin Composition and Product Molded From the Same - A resin composition is provided, which comprises: 40 to 95% by mass of a resin component containing 10 to 100% by mass of a polyarylate resin and 90 to 0% by mass of a polycarbonate resin; and 60 to 5% by mass of spherical silica having an average particle diameter of not greater than 10 μm. The resin composition is molded into a product. | 04-16-2009 |
20090105391 | Artificial marble and methods - There is provided a method for the preparation of an engineered stone slab having coated lumps of composite stone material, the method includes scooping a first inorganic particulate material and a polymer material to produce lumps of composite stone material and mixing a second inorganic particulate material with the lumps to produce coated lumps. | 04-23-2009 |
20090192255 | SILICA-POLYMERIC RESIN COMPOSITE AND METHOD FOR MANUFACTURING THE SAME - The disclosed is a silica-polymeric resin composite of blending the silicon dioxide nanoparticles in thermoplastic polymer and method for manufacturing the same, thereby improving its scratch-resistance. A thermoplastic polymer is dissolved in solvent to form a thermoplastic polymer solution. The polymer solution is evenly mixed with a silicon dioxide sol, and the solvent is then removed to complete the silica-polymeric resin composite. In the silica-polymeric resin composite, the silicon dioxide nanoparticles and the thermoplastic polymer have no chemical bonding therebetween, and the silicon dioxide nanoparticles are evenly dispersed in the thermoplastic polymer. | 07-30-2009 |
20090221737 | Rubber compositions comprising coupling agents and coating agents and also inorganic fillers - The invention relates to the use of an effective amount of a coupling system (A) as an inorganic filler/elastomer coupling agent in rubber compositions comprising: (B) at least one natural or synthetic rubber elastomer, (C) an inorganic filler as reinforcing filler, (D) all or part of the other constituents or additives normally used particularly comprising (a) vulcanisation agent(s) the use being characterised in that: the coupling system (A) is a particular mixture of the following combination of ingredients (A1) and (A2): (A1) is at least one coupling agent selected from the following functionalised organosilicon compounds of formula (I): [(G | 09-03-2009 |
20090253851 | FINE DRY SILICA PARTICLES - Fine dry silica particles are produced by combustion by using a burner of a multiple-pipe structure, feeding a mixed gas of a gas of a siloxane compound without containing halogen in the molecules thereof and an oxygen gas at a ratio of 0.3 to 1.5 into the center pipe of a burner, and feeding a combustible gas into the first annular pipe on the outer side of the center pipe of the burner. The fine dry silica particles has a BET specific surface area of 20 to 55 m | 10-08-2009 |
20090306272 | CERAMIC POWDER AND METHOD OF USING THE SAME - The present invention herein provides ceramic powder which is to be incorporated into rubber or a resin and which can be used as, for instance, a semiconductor-sealing material and for the preparation of a composition excellent in the narrow interstice-filling up property and moldability. The ceramic powder has a multiple peak-frequency type particle size distribution which has at least two peaks, as determined according to the laser diffraction-scattering type particle size distribution analyzer, wherein the maximum particle size observed for the first peak falls within the range of from 12 to 30 μm; that observed for the second peak falls within the range of from 2 to 7 μm; the content of the particles having a particle size of greater than 7 μm and less than 12 μm is not more than 18% (including 0%); and wherein the ratio (F | 12-10-2009 |
20090326139 | Use of specific silicas for increasing the rigidity of a thermoplastic while maintaining or improving its impact resistance - The invention relates to the use of a silica having a BET specific surface of at least 60 m | 12-31-2009 |
20100029831 | Fluorine-containing elastomer composition - A fluorine-containing elastomer composition, which comprises (A) a fluorine-containing elastomer consisting of a copolymer comprising (a) tetrafluoroethylene, (b) perfluoro(alkyl vinyl ether) or perfluoro-(alkoxyalkyl vinyl ether), and (c) a cyano group-containing perfluorovinyl ether, (B) a cross-linking agent, and (C) spherical silica, wherein the spherical silica is high purity amorphous silica particles obtained by calcining metallic silica powders, and cooling the resulting vaporous silicon oxide. The present fluorine-containing elastomer composition can provide seal materials having distinguished processability, product appearance, plasma resistance, etc. by the cyano group-containing perfluoroelastomer having a good heat resistance and only silica as contained therein. | 02-04-2010 |
20100029832 | COMPOSITES COMPRISING POLYMER AND MESOPOROUS SILICATE - Surfactant-templated mesoporous silicates and mesoporous layered silicate clays having certain porosity parameters are used as reinforcing agents for polymers to make composites. The combination of porosity parameters that allows mesoporous silicates to be competitive with organoclays for the reinforcement of engineering polymers include an average mesopore size of at least 4 nm for surfactant-templated mesoporous silicates and least 2 nm for mesoporous layered silicate clays. | 02-04-2010 |
20100081750 | Nanotextured Surfaces - The invention describes novel compositions that include a cross linking compound, a polymer and a 1 nm to about a 25 micron sized particle optionally with an oxide layer. In particular, the particle is a silica and one which has been pretreated with a silane. | 04-01-2010 |
20100120967 | POLYESTER, AND COMPOSITION AND FILM COMPRISING THE SAME - An object of the present invention is to provide a polyester film having excellent dimensional stability to temperature and humidity. | 05-13-2010 |
20100197847 | SILICA CONTAINING BLACK SIDEWALL COMPOUNDS AND TIRES COMPRISING SAME - Reduced hysteresis silica-containing black sidewall compounds having increased toughness properties are provided, as are methods for preparing the same. Tires comprising the black sidewall compounds prepared according to the present embodiments are also provided. | 08-05-2010 |
20100204383 | SILICA POWDER, PROCESS FOR ITS PRODUCTION, AND COMPOSITION EMPLOYING IT - To provide a silica powder which is excellent in flowability and packing properties and which is less likely to form a flash, a process for its production, and a composition having it incorporated in at least one of a rubber and a resin, particularly a sealing material. | 08-12-2010 |
20100222487 | INORGANIC HOLLOW POWDER, PROCESS FOR PRODUCING THE INORGANIC HOLLOW POWDER, AND COMPOSITION COMPRISING THE INORGANIC HOLLOW POWDER - Inorganic hollow powder is provided having a high purity, an enhanced fineness and a high hollowness. Specifically, inorganic hollow powder is provided having an average particle diameter of 1 to 5 μm, the maximum particle diameter of 20 μm or less, a particle size distribution standard deviation of 3 μm or less, and an average hollowness of 35 to 70 vol %. The inorganic hollow powder is obtained, for instance, by supplying, via an inorganic feed material powder supply pipe at a discharge rate of 80 m/s or more, inorganic raw material powder having a specific surface area of 500 m | 09-02-2010 |
20110021686 | POLYAMIDE NANOCOMPOSITES WITH HYPER-BRANCHED POLYETHERAMINES - The invention relates to thermoplastic molding compositions comprising the following components:
| 01-27-2011 |
20110046288 | Phenol Resin Molding Material and Pulley Molded from Said Molding Material - Disclosed is a phenol resin molding material comprising 100 parts by weight of a resol type phenol resin, 40 to 100 parts by weight of an inorganic fiber, 30 to 90 parts by weight of a natural silica powder having an average particle size of 0.5 to 15 μm and subjected to a coupling agent treatment and 1 to 15 parts by weight of a rubber component as main components. The molding material can contain 50% by weight or more of a glass fiber and a natural silica powder having a crushed shape can be used as the natural silica powder. As a molded article produced from the resin molding material, a resin pulley is exemplified. | 02-24-2011 |
20110092631 | RUBBER COMPOSITION AND USE THEREOF - Provided is a rubber composition capable of providing a molding having: excellent sealing properties, heat resistance, and acid resistance; a low reaction force and low hardness; a reduced compression set; and especially an improved compression set and unsusceptibility to compression cracking at high temperatures. Also provided are a use of the rubber composition and a main body comprising the rubber composition mounted thereon. The rubber composition contains a specific ethylene/α-olefin/non-conjugated polyene copolymer [A], carbon black [B], and surface-modified silica [C] that is obtained by subjecting precipitated silica to surface modification and has a BET specific surface area of 30 to 80 m | 04-21-2011 |
20110092632 | POROUS INORGANIC MATERIALS CONTAINING POLYMER ADDITIVES - The present invention relates to SiO | 04-21-2011 |
20110098398 | Varnish, prepreg, and substrate thereof - A varnish includes an epoxy resin, a curing agent, an accelerator agent and fillers. The fillers include sericite powders. The sericite powders have composition of SiO2 in weight ratio of 55±3%. Furthermore, the Mohs' scale of hardness of the sericite powder is between 2 to 3. Glass fabric cloth is dipped into the varnish so as to form a prepreg with better machined-work capability. | 04-28-2011 |
20110098399 | Cutting Filament for a Trimmer and Method of Producing Such a Cutting Filament - A cutting filament for a manually-guided trimmer, and a method of producing such a filament. A polymeric material is filled with platelet-shaped particles. The filled polymeric material is extruded in the form of a filament blank. In the solidified state, the filament blank is spun in the direction of its longitudinal axis, accompanied by plastic deformation, in such a way that the embedded particles are oriented at least predominantly in the direction of the longitudinal axis. | 04-28-2011 |
20110136960 | METHOD OF MAKING AN ATOMIZING AGENT - A method of making atomizing agent is described hereinafter. Firstly, make a nanometer silicon dioxide gel by means of a sol-gel method. Next, mix a proper quantity of nanometer silicon dioxide gel and organic solvent together to form a nanometer silicon dioxide solution. Lastly, add a proper quantity of water-based polyurethane resin or de-ionized water into the nanometer silicon dioxide solution so as to obtain the atomizing agent by means of being stirred for 1 hour and then aging for 24 hours under a room temperature. | 06-09-2011 |
20110136961 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - It is an object of the present invention to provide a tire rubber composition excellent in performances such as silica dispersibility and processability. The present invention relates to a tire rubber composition, comprising: a rubber component that contains an epoxidized natural rubber; silica; and a silane coupling agent, wherein the amount of the epoxidized natural rubber in 100% by mass of the rubber component is 15% by mass or more, the silica has a CTAB specific surface area of 180 m | 06-09-2011 |
20110136962 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - It is an object of the present invention to provide a tire rubber composition excellent in performances such as silica dispersibility and processability. The present invention relates to a tire rubber composition, comprising: a rubber component; silica; and a silane coupling agent, wherein the silica has a CTAB specific surface area of 180 m | 06-09-2011 |
20110152434 | TIRE WITH COMPONENT CONTAINING COMBINED HIGH STRUCTURE SILICA AND LOW STRUCTURE SILICA - The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising:
| 06-23-2011 |
20110160374 | STRUCTUAL OBJECT COATED WITH SUPERHYDROPHBIC NANOSTRUCTURE COMPOSITE AND PROCESS FOR PRODUCING THE SAME - The present invention relates to a structural object coated with a superhydrophobic nanostructure composite, the structural object being obtained by densely coating a surface of a solid substrate having a desired shape with a nanostructure obtained by combining a polymer having a polyethyleneimine skeleton with silica on the nanometer order, and bonding a hydrophobic group to the surface of the nanostructure, and a process for producing the structural object. The present invention also relates to a structural object coated with a superhydrophobic nanostructure composite, the structural object being obtained by removing the polymer having the polyethyleneimine skeleton from the nanostructure and bonding a hydrophobic group to the surface of the residual nanostructure containing silica as a main constituent component, and a process for producing the structural object. Furthermore, the present invention provides a method of using the structural object as a container for transferring an aqueous solution. | 06-30-2011 |
20110172343 | HYDROPHOBIC PRECIPITATED SILICA FOR DEFOAMER FORMULATIONS - Hydrophobic precipitated silicas with a high pH and low silanol group density, a process for preparing them and their use, particularly in deformer formulations. | 07-14-2011 |
20110172344 | MODIFIED CONJUGATED DIENE-BASED POLYMER, METHOD FOR PRODUCING THE SAME, MODIFIED CONJUGATED DIENE-BASED POLYMER COMPOSITION, AND TIRE - There is provided a modified conjugated diene-based polymer having a silyl group substituted with one or more alkoxy groups, and one or more nitrogen atoms on the chain ends of a conjugated diene-based polymer, the modified conjugated diene-based polymer being obtained by polymerizing a conjugated diene compound, or copolymerizing a conjugated diene compound with an aromatic vinyl compound, by using a polyfunctional anionic polymerization initiator prepared from a polyvinyl aromatic compound and an organolithium compound in a range of a molar ratio (the polyvinyl aromatic compound/the organolithium compound) of from 0.05 to 1.0, so as to obtain the conjugated diene-based polymer, and by reacting a living polymer end of the conjugated diene polymer with the compound having a silyl group substituted with two or more alkoxy groups, and one or more nitrogen atoms. | 07-14-2011 |
20110237732 | FLUORINE-CONTAINING CURABLE COMPOSITION AND RUBBER ARTICLE - A fluorine-containing curable composition which is less viscous, and which can produce a cured article having excellent heat resistance, chemical resistance, solvent resistance, and mechanical strength is provided. The fluorine-containing curable composition comprises (a) 100 parts by weight of a straight chain fluorine-containing polymer having at least two alkenyl groups per molecule represented by the following formula (1): | 09-29-2011 |
20110301276 | COMPOSITION FOR THERMOSETTING SILICONE RESIN - The present invention relates to a composition for a thermosetting silicone resin, including: (1) an organopolysiloxane having a silanol group at an end thereof; (2) an alkenyl group-containing silicon compound; (3) an epoxy group-containing silicon compound; (4) an organohydrogensiloxane; (5) a condensation catalyst; (6) a hydrosilylation catalyst; and (7) a silica particle, in which the (7) silica particle has a 50% volume cumulative diameter of from 2 to 50 μm, a content of particles having a particle size of 1 μm or less of 15% by number or less and a content of particles having a particle size of 60 μm or more of 15% by number or less. | 12-08-2011 |
20110319545 | PROCESS FOR PREPARING CURABLE PERFLUOROELASTOMER COMPOSITIONS - A non-black filled perfluoroelastomer composition comprising a) a perfluoroelastomer, b) 0.1-30 phr colloidal silica filler having an average particle size <100 nm, and c) a curative is made by 1) mixing an aqueous perfluoroelastomer dispersion with a sol of colloidal silica having an average particle size <100 nm, 2) isolating the perfluoroelastomer composition from the aqueous dispersion and 3) mixing the composition with curative. Cured compositions have surprisingly better compression set than do similar compounds containing hydrophilic silica. | 12-29-2011 |
20120029136 | HYDROPHILIC SILICA AS FILLER FOR SILICONE RUBBER FORMULATIONS - Provided is a hydrophilic precipitated silica which is well suited to use in silicone rubber formulations (RTV-1, RTV-2, HTV and LSR), particularly well suited to use in HTV silicone rubber formulations. It has a BET surface area of 185˜260 m | 02-02-2012 |
20120041128 | HIGHLY DISPERSIBLE SILICA FOR RUBBERS AND THE PROCESS FOR OBTAINING IT - The present invention relates to a precipitated silica for elastomers and, more particularly, to a new highly dispersible and highly reinforcing precipitated silica for elastomers. The invention further provides the process for its production and rubber products made therefrom. | 02-16-2012 |
20120065316 | RUBBER COMPOSITION FOR CHAFER - The present invention relates to a chafer using a rubber composition for a chafer comprising:
| 03-15-2012 |
20120232208 | VIBRATION ISOLATING RUBBER COMPOSITION AND VIBRATION ISOLATING RUBBER - Disclosed are a vibration isolating rubber composition that balances a low dynamic-to-static modulus with high durability, and a vibration isolating rubber that is formed by curing said rubber composition. The vibration isolating rubber composition is characterized by including a diene rubber, and a carbon black and a silica as fillers, and in that the mixing ratio of the carbon black (a) and the silica (b) is (a)/(b)=80/20 to 20/80 (weight ratio). | 09-13-2012 |
20120302691 | POLYSILOXANE RESIN COMPOSITION - A polysiloxane resin composition contains: a first polysiloxane having an average compositional formula of R | 11-29-2012 |
20120302692 | VIBRATION-PROOF RUBBER COMPOSITION AND VIBRATION-PROOF RUBBER USING THE SAME - A vibration-proof rubber composition excellent in both characteristics of durability and compression set characteristic is provided. A vibration-proof rubber composition includes components (A) to (C) below, wherein an amount of reacted silane coupling agent in the component (B) is 6.5% by weight or more, and an amount of unreacted silane coupling agent is in a range of 0.5 to 2.5% by weight: (A) diene rubber; (B) pre-treated silica prepared by surface-treating, with a silane coupling agent, silica having a BET specific surface area in a range of 180 to 230 m | 11-29-2012 |
20120316281 | BINDERS CONTAINING NANOPARTICLES - The present invention relates to aqueous binder dispersions based on silane-modified polymeric binders and inorganic nanoparticles, a process for the preparation thereof and the use thereof for the production of high quality coatings, in particular clear lacquers. | 12-13-2012 |
20120329937 | PRECIPITATED SILICA - The present invention relates to a method for preparing precipitated silica, in particular in powder form. The invention also relates to the resulting precipitated silicas and to the use thereof, in particular for the reinforcement of silicone elastomer or silicone paste matrices. | 12-27-2012 |
20130030107 | Method for Making a Poly-lactic acid/Silica Composite - Disclosed is a method for making a poly-lactic acid/silica composite. At first, silica particles are aminated, thus providing aminated silica particles. Secondly, the aminated silica particles are mixed with poly-lactic acid. Then, the mixture is blended and extruded by two micro-screws, thus providing a poly-lactic acid/silica composite. Thus, the mechanical properties of the poly-lactic acid are improved without affecting the biodegradability of the poly-lactic acid. | 01-31-2013 |
20130072619 | Heat-Curable Silicone Rubber Composition For Rubber Laminate - A heat-curable silicone rubber composition for a rubber laminate composed of a silicone-rubber layer and a rubber layer of a material other than silicone, the composition comprising: an alkenyl-containing diorganopolysiloxane (A) which comprises: 50 to 99 mass % of a diorganopolysiloxane (A1) that contains alkenyl groups, is capped at molecular terminals with alkenyl-containing organosilyl groups, and is free of alkenyl groups in side molecular chains; 1 to 50 mass % of an alkenyl-containing diorganopolysiloxane (A2) having two or more alkenyl groups in a side molecular chain; a fine silica powder (B); an organohydrogenpolysiloxane (C) having in one molecule at least two silicon-bonded hydrogen atoms; and an organic peroxide (D). | 03-21-2013 |
20130331498 | RUBBER COMPOSITION FOR TREAD, AND PNEUMATIC TIRE - Provided are a rubber composition for treads that has both excellent abrasion resistance and good wet grip performance and also offers good fuel economy and elongation at break, and a pneumatic tire (particularly for passenger vehicles and for sport utility vehicles) formed therefrom. The rubber composition includes, based on 100% by mass of a rubber component, 40-75% by mass of BR and 25-55% by mass of SBR; and includes, per 100 parts by mass of the rubber component, 40-120 parts by mass of a silica having a nitrogen adsorption specific surface area of 160-270 m | 12-12-2013 |
20130338296 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition that can enhance the fuel economy, wet-grip performance, and abrasion resistance in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a compound represented by formula (1) below, wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with a specific compound; and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component. | 12-19-2013 |
20140011938 | NANOTEXTURED SURFACES - The invention describes novel compositions that include a cross linking compound, a polymer and a 1 nm to about a 25 micron sized particle optionally with an oxide layer. In particular, the particle is a silica and one which has been pretreated with a silane. | 01-09-2014 |
20140011939 | RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition capable of enhancing the fuel economy, wet-grip performance, abrasion resistance, handling stability, and processability in a balanced manner, and a pneumatic tire using this rubber composition. The present invention relates to a rubber composition that contains a rubber component, silica, and a compound represented by formula (1) below, wherein the rubber component contains not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by a specific silicon atom-terminated unsaturated compound, at least one terminal of the polymer being modified with at least one selected from specific compounds; and an amount of the silica is 5 to 150 parts by mass per 100 parts by mass of the rubber component, | 01-09-2014 |
20140045987 | CURABLE SILICONE RUBBER COMPOSITION AND MEASUREMENT METHOD FOR CURABLE SILICONE RUBBER COMPOSITIONS - The correlation between the aggregation structure of inorganic fillers such as silica microparticles in silicone rubbers and tensile strength and tear strength still has not been elucidated. The purpose of the invention is to provide a curable silicone rubber composition with which a silicone rubber of superior tensile strength and tear strength can be obtained. The invention provides a curable silicone rubber composition that is characterized in that the aggregate size of the inorganic filler prior to extending as determined by synchrotron X-ray diffraction measurement is 20-25 nm and the maximum value for the orientation coefficient of the curable silicone rubber composition when drawn as determined by synchrotron X-ray diffraction measurement is 0.25-0.35. | 02-13-2014 |
20140051792 | RUBBER COMPOSITION - The present invention provides a rubber composition containing: (A) a rubber component containing from 90 to 100% by mass of at least one kind of diene rubber synthesized by solution polymerization and from 0 to 10% by mass of another kind of diene rubber; (B) a silica having a n-hexadecyltrimethylammonium bromide (CTAB) adsorption specific surface area of 180 m | 02-20-2014 |
20140051793 | RUBBER COMPOSITION - The present invention provides a rubber composition containing: (A) a rubber component containing 10% by mass or more of at least one kind of rubber selected from diene rubber synthesized by emulsion polymerization and natural rubber and 90% by mass or less of another kind of diene rubber; (B) silica having a n-hexadecyltrimethylammonium bromide (CTAB) adsorption specific surface area of less than 140 m | 02-20-2014 |
20140114008 | RUBBER COMPOSITION - The present invention provides a rubber composition containing: (A) a rubber component containing from 90 to 100% by mass of at least one kind of diene rubber synthesized by solution polymerization and from 0 to 10% by mass of another kind of diene rubber; (B) silica having a n-hexadecyltrimethylammonium bromide (CTAB) adsorption specific surface area of less than 140 m | 04-24-2014 |
20140142236 | RUBBER COMPOSITION - The present invention provides a rubber composition containing: (A) a rubber component containing 10% by mass or more of at least one kind of rubber selected from diene rubber synthesized by emulsion polymerization and natural rubber and 90% by mass or less of another kind of diene rubber; (B) silica having a n-hexadecyltrimethylammonium bromide (CTAB) adsorption specific surface area of 140 m | 05-22-2014 |
20140171577 | RUBBER COMPOSITION FOR TIRE TREAD AND TIRE MANUFACTURED BY USING THE SAME - Provided are a rubber composition for tire tread including 100 parts by weight of a raw material rubber that includes 20 parts by 80 parts by weight of a first solution polymerized styrene-butadiene rubber (SBR1) having a styrene content of 15% to 25% by weight and a vinyl content in the butadiene of 60% to 65% by weight and produced by a batch method; and 60 parts to 90 parts by weight of a silica having a specific surface area measured by nitrogen adsorption of 155 m | 06-19-2014 |
20140171578 | FUMED SILICA - Fumed silica having a BET surface area of 200±15 m2/g, a grindometer value of less than 30 μm and a median value by PCS of 65 to 85 nm is prepared by grinding a fumed silica having a surface area of 200±25 m2/g, and silicone rubber containing this silica. | 06-19-2014 |
20140235781 | COMPOSITE MATERIALS COMPRISING AGGREGATE AND AN ELASTOMERIC COMPOSITION - A composite material comprises aggregate and an elastomeric composition. The elastomeric composition comprises the reaction product of an isocyanate component and an isocyanate-reactive component. The isocyanate component comprises a polymeric isocyanate, and optionally, an isocyanate-prepolymer. The isocyanate-reactive component comprises a hydrophobic polyol and a chain extender having at least two hydroxyl groups and a molecular weight of from about 62 to about 220. The chain extender is present in the isocyanate-reactive component in an amount of from about 1 to about 20 parts by weight based on 100 parts by weight of the isocyanate-reactive component. The aggregate may be rock, crumb rubber, and/or glass. The composite material has excellent physical properties and may be formed underwater, used in various locations, and used in various applications, such as for pavement, revetments, etc. Methods of forming and using the composite material and systems for forming the elastomeric composition are also disclosed. | 08-21-2014 |
20140309355 | Fluororesin composition and its molded product - Disclosed are injection-moldable fluororesin compositions of melt flowable fluororesin and mesoporous silica. The fluororesin compositions are melt flowable and have a melt flow rate of from 2 to 60 g/10 min. The mesoporous silica has an average pore diameter of from 2 to 50 nm, and the pores of the mesoporous silica are filled with the melt flowable fluororesin. The fluororesin compositions have excellent melt moldability for manufacturing molded products from the fluororesin composition that demonstrate high hardness. | 10-16-2014 |
20140323636 | SYNTHETIC MARBLE WITH HIGH HARDNESS AND METHOD OF MANUFACTURING THE SAME - Disclosed therein is a synthetic marble with high hardness and a method of manufacturing the synthetic marble, in which the raw material for the surface of a manufactured synthetic marble is silica because a step of coating a material of a high hardness, silica, on a sheet is included in the process of manufacturing the synthetic marble, so that the synthetic marble is not contaminated because it is not scratched due to the solid surface of high hardness, and is easy to clean. | 10-30-2014 |
20140371372 | TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE - The present invention provides a rubber composition for tires which enables a balanced improvement in rolling resistance, abrasion resistance, and wet-skid performance. The present invention relates to a rubber composition for tires, including a rubber blend including a diene rubber A modified with a specific acrylamide compound, and a diene rubber B modified with either a combination of a specific silicon or tin compound and a specific modifying compound or with the modifying compound, the combined rubbers A and B having a weight average molecular weight of 300,000 to 1,400,000; and a specific silica. | 12-18-2014 |
20150051332 | RUBBER COMPOSITION AND TIRE - The present invention relates to a rubber composition including a rubber component (A), a farnesene polymer (B) and silica (C). | 02-19-2015 |
20150057403 | COPOLYMER, RUBBER COMPOSITION USING SAME, AND TIRE - The present invention relates to a copolymer including a monomer unit (a) derived from a conjugated diene having not more than 12 carbon atoms and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing a conjugated diene having not more than 12 carbon atoms with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof. | 02-26-2015 |
20150087762 | POLYESTER COMPOSITION AND POLYESTER FILM - The present invention is a polyester composition for a film, wherein the polyester composition comprises a masterbatch polyester composition including 1.0 to 2.0%, by mass of inorganic particles having an average particle diameter of 0.5 to 3.0 μm and having been prepared using a polycondensation catalyst containing, and an inorganic particle-free polyester resin in a mass ratio of 1:15 to 35; and wherein the polyester composition will cause little filter clogging and can provide a polyester film that is excellent in slipping properties, running properties and wear resistance and will suffer from little deterioration in quality due to defects or insoluble particles located on the film. | 03-26-2015 |
20150087763 | COPOLYMER, RUBBER COMPOSITION USING SAME, AND TIRE - The present invention relates to a copolymer including a monomer unit (a) derived from isoprene and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing isoprene with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof. | 03-26-2015 |
20150099844 | Rubber Composition for Tire, and Pneumatic Tire - A rubber composition for tires comprises: per 100 parts by weight of diene rubber containing from 5 to 50 wt. % of modified BR having a vinyl unit content of 10 to 60 wt. %, from 2 to 50 parts by weight of an aromatic modified terpene resin having a softening point of 100 to 130° C., and a total content of 60 to 130 parts by weight of two types of silica, that is silica X and silica Y; a proportion of the silica relative to a total amount of a reinforcing filler containing carbon black being 85 wt. % or greater; a nitrogen adsorption specific surface area of the silica X is 140 m | 04-09-2015 |
20150119516 | METHOD OF PRODUCING A RUBBER COMPOUND COMPRISING SILICA - A method of producing a rubber compound containing silica, the method including a step of dispersing the silica in a polymer base, and a following step of mixing the previously formed mixture with curing agents. The step of dispersing the silica in the polymer base includes the following sequence of operations: soaking the polymer base in a liquid silica precursor to form a swollen polymer; —adding the swollen polymer to an organic solvent, and continually stirring the swollen polymer solution; —adding water and a silica synthesizing catalyst to the swollen polymer solution; —precipitating a polymer gel matrix by adding a precipitating agent; —separating and washing the precipitated polymer gel matrix. | 04-30-2015 |
20150368500 | Composition and Coating for Hydrophobic Performance - The present disclosure describes compositions comprising an acrylic polymer binder and nano-particles less than about 100 nm that provide a hydrophobic or superhydrophobic coating that may also display oleophobicity. The coating composition may advantageously be prepared using VOC exempt compounds that are compatible with a variety of surface materials including many electronic components. In addition, the coating composition may also be rapidly dried rendering it useful for the rapid preparation of coated objects and surfaces in manufacturing/assembly line environments. | 12-24-2015 |
20150375566 | Rubber Composition for Tire Treads and Pneumatic Tire Using Same - A rubber composition for tire treads of the present technology contains a diene rubber, silica and a silane coupling agent, wherein the silane coupling agent is a polysiloxane represented by a specific average composition formula, the silica content is from 5 to 200 parts by mass per 100 parts by mass of the diene rubber, and the silane coupling agent content is from 1 to 20 mass % relative to the silica content. | 12-31-2015 |
20160152792 | TIRE | 06-02-2016 |