47th week of 2008 patent applcation highlights part 52 |
Patent application number | Title | Published |
20080287546 | Quorum Sensing Modulators - Compounds described herein are useful in modulating bacterial quorum sensing. | 2008-11-20 |
20080287547 | Glycine Transport Inhibitors - The present invention relates to compounds of formula (I), or to salts or solvates thereof, their use in the manufacture of medicaments for treating neurological and neuropsychiatric disorders, in particular psychoses, dementia or attention deficit disorder. The invention further comprises processes to make these compounds and pharmaceutical formulations thereof. | 2008-11-20 |
20080287548 | Compositions and Methods For Inhibiting an Isoform of Human Manganese Superoxide Dismutase - The present invention is directed to methods of modulating the activity of an isoform of manganese superoxide dismutase which is useful for the treatment of diseases such as neurodegenerative diseases and heart failure. | 2008-11-20 |
20080287549 | METHODS AND MATERIALS FOR CONTROLLING RODENT POPULATIONS - The present invention relates to the use of compositions comprising clomiphene isomers for controlling rodent populations. The clomiphene isomers lower testosterone and/or suppress appetite in the rodent population. | 2008-11-20 |
20080287550 | Sertraline hydrochloride form II and methods for the preparation thereof - The present invention is directed to Form II of sertraline hydrochloride and novel methods for its preparation. According to the present invention, sertraline hydrochloride Form II may be produced directly form sertraline base or sertraline mandelate. It may also be produced from sertraline hydrochloride solvate and hydrate forms, and crystallized from new solvent systems. Pharmaceutical compositions containing sertraline hydrochloride Form II and methods of treatment using such pharmaceutical compositions are also disclosed. | 2008-11-20 |
20080287551 | CAROTENOID FORMULATION - The present invention discloses the use of a lycopene coated with a water non-soluble thin film comprising amphiphilic protein polymer for coloring with red color, foods, pharmaceuticals or cosmetics having fat and/or oil contents higher than 5%. The invention further discloses a process for the preparation of stable lycopene formulation comprising (a) treating an isolated protein to form a protein in a molecular form; (b) dispersing lycopene in an aqueous solution comprising an isolated protein in a molecular form; (c) grinding said dispersion to form lycopene particle size of 1 to 10 μm forming an homogenized mixture comprising fine particles; and optionally (d) drying the homogenized mixture. | 2008-11-20 |
20080287552 | Process for Obtaining an Active Ingredient for Enhancing Cutaneous Mechanical Strength, Active Ingredient and Compositions - The object of the invention is a process for obtaining an active ingredient for increasing the mechanical strength of the skin, wherein the process utilizes the following steps:
| 2008-11-20 |
20080287553 | PHARMACEUTICAL COMPOSITIONS COMPRISING PERANHYDROCYCLODEXTRIN - The present invention relates to a pharmaceutical composition comprising a peranhydrocyclodextrin, a drug and a carrier, to the use of a peranhydrocyclodextrin as a drug transport enhancer (e.g. permeation enhancer), and to the use of a peranhydrocyclodextrin in the preparation of a pharmaceutical composition as a synergistic adjunctive system. | 2008-11-20 |
20080287554 | Dispersions of Inorganic Particulates - A dispersion of a particulate inorganic material comprises a non-aqueous liquid medium containing a particulate inorganic material dispersed therein and an effective amount of one or more dispersing agent which serves to maintain the particulate inorganic material in dispersion in the non-aqueous medium, wherein the particulate inorganic material has an average particle size (d | 2008-11-20 |
20080287555 | Novel process and catalyst for carbon dioxide conversion to energy generating products - A catalytic process and a nano material for the conversion of moist carbon dioxide into methanol, propyne and oxygen have been developed. In the process invented, hydrogen is produced from water in a catalytic reaction, when the moist carbon dioxide enters into the catalytic reactor, resulting in C—O and H—OH bond breakage at a relatively low temperature and at atmospheric pressure in a single step using a combination of catalytic materials comprising at least three metals dispersed on a catalyst support, preferably anatase form of titanium dioxide, to induce a multifunctional surface chemical reaction for the production of oxygenated products such as hydrocarbons of different chain lengths. | 2008-11-20 |
20080287556 | Process For the Preparation of Fischer-Tropsch Catalysts With a High Mechanical, Thermal and Chemical Stability - The preparation is described of a Fischer-Tropsch catalytic precursor based on cobalt supported on alumina, optionally containing up to 10% by weight of silica, which comprises: a) treatment of the alumina with a silicon compound selected from those having general formula (I) Si(OR) | 2008-11-20 |
20080287557 | APPARATUS AND METHOD FOR CONTINUOUSLY TREATING SURFACE OF WASTE RUBBER POWDER BY USING MICROWAVE - An apparatus continuously treats the surface of waste rubber powder by means of microwave thereby making it possible to treat the surface of waste rubber powder continuously and more efficiently. As a result, recycled rubber material has superior surface roughness and processability and the physical or chemical properties of the rubber articles are improved. | 2008-11-20 |
20080287558 | Method of the Preparation of Vulcanization Mixtures by the De-Vulcanization of Waste Rubber - Waste rubber in the from of crumbs, mainly from automobile tires, but also from other used rubber products including waste rubber formed in the course of their manufacturing, is mixed in a kneader, calender, or extruder with a compound containing the chemical group —SO | 2008-11-20 |
20080287559 | Brominated Butadiene/Vinyl Aromatic Copolymers, Blends of Such Copolymers with a Vinyl Aromatic Polymer and Polymeric Foams Formed From Such Blends - A thermally stable brominated butadiene copolymer, such as brominated styrene/butadiene block copolymer, brominated random styrene/butadiene copolymer or brominated styrene/butadiene graft copolymer, preparation of the brominated butadiene copolymers, use of the brominated butadiene copolymers as a flame retardant additive and polymeric compositions, both foamed and non-foamed, that incorporate a flame-retarding amount of brominated butadiene copolymer. | 2008-11-20 |
20080287560 | Polymer foams containing multi-functional layered nano-graphite - This invention relates to foam insulating products, particularly extruded polystyrene foam, containing nano-graphite as a process additive for improving the physical properties of foam products. | 2008-11-20 |
20080287561 | Aerogel Based Composites - Composites, such as syntactic foams, are described. The composite contains at least one polymer and at least one aerogel. The aerogel is coated with a coating substance to at least substantially prevent the intrusion of the polymer into the pores of the aerogel. Methods of making the composite are also described, as well as uses of the composite. | 2008-11-20 |
20080287562 | Stable cationically crosslinkable/polymerizable dental composition with a high filler content - Stable and substantially filled cationic dental compositions are described which include:
| 2008-11-20 |
20080287563 | WEATHER RESISTANT, INK JETTABLE, RADIATION CURABLE, FLUID COMPOSITIONS PARTICULARLY SUITABLE FOR OUTDOOR APPLICATIONS - Low viscosity, radiation curable fluid formulations that can be used advantageously as radiation curable, inks. The formulations are easily prepared for use in ink jet systems. The viscosity of the compositions is low enough so that conventional solvent is not required in order to satisfy the requisite low ink jet viscosity specifications. After curing, the compositions form durable, weatherable, abrasion resistant, printed images on a wide variety of porous and nonporous substrates. The formulations are very suitable for outdoor printing applications, especially for printing outdoor graphics onto a variety of surfaces, including vinyl or other polymer films commonly used for signage, retroreflective signage or other retroreflective items. | 2008-11-20 |
20080287564 | Low-Viscosity, Radiation-Curable Formulation for Producing Adaptive Earpieces - The invention relates to a biocompatible, low-viscosity, radiation-curable formulation for producing medical products, in particular adaptive ear pieces, otoplastic parts, shells or ear parts, by means of PNP methods or stereolithographic methods. Said formulation comprises: a) 15-60 wt. % of a monomeric or oligomeric dimethacrylate based on bisphenol A or bisphenol F; b) 0-50 wt. % one or more monomeric or oligomeric urethane (meth)acrylates with a functionality n<4, a viscosity <30 Pa s and a molecular weight <3500; c) 2-25 wt. % of a monomeric, aliphatic or cycloaliphatic dimethacrylate with a viscosity <3 Pa s; d) 2-35 wt. % of an iminooxadiazone dion derivative, characterised by 3 methacrylate and/or acrylate functions; 0-15 wt. % one or more monofunctional methacrylates; f) 0.5-6 wt. % of a photo initiator or a combination of photo initiators, whose absorption lies in the wavelength range of the laser beam that is used or the irradiation source; g) 0-0.5 wt. % one or more anaerobic inhibitors; h) 0-40 wt. % fillers with a particle size <25 μm; i) 0-5 wt. % colorants; j) 0-5 wt. % conventional additives such as UV stabilisers or process additives, whereby the sum of the fraction of the components a) to j) totals 100 wt. %. | 2008-11-20 |
20080287565 | Polymerized Molded Body - The invention relates to polymerizable compositions which comprise 10-80% by weight of a reactive diluent based on acrylic acid or methacrylic acid derivatives, and 10-50% by weight of a monomer of the indicated chemical formula which is liquid or which can be dissolved in the formulation. The formula may contain amino acid residues or peptide sequences, especially such that are specific of the collagen. These structural elements allow the enzymatic degradation of the polymers of the inventive composition. | 2008-11-20 |
20080287566 | Epoxy based oil free root canal sealer - Epoxy polymers for dental use including the reaction product of a diepoxide oligomer and a bridged dipolyamine are described. The epoxy polymers include the reaction product of diepoxide oligomers comprised of bisphenol A diepoxide oligomers and/or bisphenol F diepoxide oligomers and bridged dipolyamine monomers having two polyamine regions and a hydrocarbon region of at least 28 carbon atoms. | 2008-11-20 |
20080287567 | Water-based anti-fouling paint composition - The purpose of this invention is to provide a water-based anti-fouling paint composition which has excellent anti-fouling effects in seawater and which has minimal effect on the environment and on the operators because organic solvents are essentially not included. The purpose is accomplished by providing a water-based anti-fouling paint composition that contains a metal cross-linked acrylic water-based emulsion composition containing a divalent metal compound and dithiocarbamate compound, and which essentially does not require volatile organic solvents. | 2008-11-20 |
20080287568 | Polyolefin Drag Reducing Agents Produced by Non-Cryogenic Grinding - Fine particulate polymer drag reducing agent (DRA) in bi-modal or multi-modal particle size distributions may be produced simply and efficiently without cryogenic temperatures. The grinding or pulverizing of polymer, such as poly(alpha-olefin) suitable for reducing drag in flowing hydrocarbons may be achieved by the use of at least one liquid grinding aid and at least two grinding processors in series. The impellers of the grinders are of different openness so that granulated polymer fed to the first processor having a relatively more open impeller is ground to an intermediate size which is fed to the second processor having a relatively more closed impeller which grinds the polymer to a second, smaller size. A non-limiting example of a suitable liquid grinding aid includes a blend of propylene glycol, water and hexanol. Particulate DRA may be produced at a size of about 300 microns or less in only two passes. | 2008-11-20 |
20080287569 | Cement Additive and Cement Composition Using the Same - A cement additive is provided which has a good autogenous shrinkage reducing effect and reduces the viscosity of concrete, and wherein compound A, which is a polycarboxylate copolymer, and ether compounds are indispensable components. | 2008-11-20 |
20080287570 | METHOD OF MAKING AND USE OF A HEAVY DUTY PAVEMENT STRUCTURE - The present invention is directed to a heavy duty pavement structure comprising an open-graded asphalt layer fortified with a non-segregating grout mixture. The heavy duty pavement structure is made through the steps including forming an open-graded asphalt layer and then fortifying the layer with a non-segregating grout mixture that includes a predetermined amount of portland cement, sand and cement binder system. | 2008-11-20 |
20080287571 | Curable and cured wood particle composites and method making same - Curable wood particle composites curable by the Michael addition reaction in the presence of weak base catalyst are disclosed, along with a method for making those curable wood particle composites. Cured wood particle composites are also disclosed, along with a method of making those cured wood particle composites. | 2008-11-20 |
20080287572 | Curable and cured wood particle composites and method of making same - Curable wood particle composites curable by the Michael addition reaction in the presence of strong base catalyst are disclosed, along with a method for making those curable wood particle composites. Cured wood particle composites are also disclosed, along with a method of making those cured wood particle composites. | 2008-11-20 |
20080287573 | Ultra-Low Dielectrics Film for Copper Interconnect - The present invention relates to an ultra-low dielectric film for a copper interconnect, in particular, to an porous film prepared in such a manner that coating with an organic solution containing a polyalkyl silsesquioxane precursor or its copolymer as a matrix and acetylcyclodextrin nanoparticles as a template and then performing a sol-gel reaction and heat treatment at higher temperature. The present films may contain the template of up to 60 vol %, due to the use of acetylcyclodextrin, and have homogeneously distributed pores with the size of no more than 5 nm in the matrix. In addition, the present films exhibit a relatively low dielectric constant of about 1.5, and excellent interconnectivity between pores, so that they are considered a promising ultra-low dielectric film for a copper interconnect. | 2008-11-20 |
20080287574 | ADHESIVES, SEALANTS AND COATINGS CONTAINING GLASS PARTICLES AS A FILLER - The invention relates to chemically or physically curable compositions suitable as adhesives or sealants or coating materials, which compositions contain at least one binding agent selected from the group comprising crosslinkable or polymerizable monomers, prepolymers, or polymers, as well as at least one filler. The filler proportion is 0.2 to 70 wt % based on the total weight of the compositions, and at least a portion of the filler is made up of glass particles having a particle size from 100 nm to 20 μm, which have been obtained by comminuting foamed neutral or acid glass. | 2008-11-20 |
20080287575 | Light-weight sculpturing compound without borax - A modeling composition is provided. The modeling composition is semi-water based as it includes both water and oil. In one embodiment, the modeling composition includes reverse osmosis water, polymer resin, oils, filler and calcium chloride. Additional components may also be included in the composition such as propylene glycol, sorbitol, pigments, preservatives and other components. | 2008-11-20 |
20080287576 | LOW DENSITY ORIENTED POLYMER COMPOSITION WITH INERT INORGANIC FILLER - An oriented polymer composition containing thirty to 95 weight-percent inert inorganic filler and a continuous phase of at least one orientable polymer contains void spaces due to cavitation and has a density of less than 0.8 grams per cubic centimeter, a flexural modulus of 1.4 gigapascals or more, cross section dimensions all greater than 1.5 millimeters, a delamination force value of 44.5 Newtons (ten pounds force) or more and little or no blowing agent. | 2008-11-20 |
20080287577 | RUBBER COMPOSITION FOR PNEUMATIC TIRE - A rubber composition for a pneumatic tire containing 100 parts by weight of a diene-based rubber and 5 to 120 parts by weight of carbon black having a particle size of 15 to 40 nm, a nitrogen absorption specific surface area N | 2008-11-20 |
20080287578 | Coupling Agents Between Filler and Elastomer - The invention describes a composition comprising a) a naturally occurring or synthetic elastomer susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula (I) wherein the general symbols are as defined in claim | 2008-11-20 |
20080287579 | Resin composition and resin mold - A resin composition includes a resin; a radical trapping agent that has at least one of a phenol group, a nitrogen atom and a sulfuric acid group; and a char-forming agent that has a carbonate group. | 2008-11-20 |
20080287580 | COLORED POLYOXYMETHYLENE MOLDING COMPOUNDS AND MOLDED PARTS PRODUCED THEREFROM - The present invention relates to a polyoxymethylene molding composition comprising
| 2008-11-20 |
20080287581 | Aqueous Dispersion of Zinc Compound Modified Polymers - An aqueous polymer dispersion contains zinc compound-modified polymer. The zinc compound-modified polymer is produced by the incorporation of zinc compound into the acrylic-modified alkyd by mixing at the temperatures of higher than 50° C. The resulting polymer is then dispersed in water by salt formation with a base. The aqueous dispersion of the present invention offers improved coating properties of early water-spot resistance, hardness, ink stain blocking and scrub resistance while demonstrating the viscosity stability. | 2008-11-20 |
20080287582 | SHAPE MEMORY POLYMER COMPOSITIONS, METHOD OF MANUFACTURE, AND USES THEREOF - A shape memory composition includes an ionomeric elastomer and a low molecular weight additive that forms crystalline domains in the elastomeric ionomer. The amount of additive is effective to provide crystalline domains of a size and distribution effective to provide shape memory to the composition. | 2008-11-20 |
20080287583 | Organic/Inorganic Composite - The present invention provides an organic/inorganic composite containing a rare earth metal or/and Period IV transition metal in which the aforementioned rare earth metal or/and Period IV transition metal is doped at a high concentration, and control of quenching and optical transparency are assured thereby; and an optical amplifier, a light control optical element, and luminescent device utilizing the same. The organic/inorganic composite containing a rare earth metal or/and Period IV transition metal is one in which at least one species of rare earth metal or/and Period IV transition metal is dispersed in an organic polymer, with the aforementioned composite containing an optically transparent organic polymer and an inorganic dispersion phase comprising: (1) a rare earth metal and (2) another element coordinated thereto via an oxygen atom(s). The inorganic dispersion phase in which another metal coordinates to rare earth metal or/and Period IV transition metal via an oxygen atom(s) preferably has an average particle size ranging from 0.1 to 1000 nm. Preferably, the ratio of rare earth metal or/and Period IV transition metal when mathematically converted to solid content is 90 mass % or less of the total mass of the organic polymer and the rare earth metal dispersion phase. | 2008-11-20 |
20080287584 | Nanonylon Composites Prepared by Chain Extension Reactive Extrusion - Chain-extended nanonylon is made from the reaction of oligomeric nanonylon and chain-extending agents. Such chain-extended nanonylon contains concentrations of organoclay exceeding 10 weight percent. High concentrations of organoclay permit the chain-extended nanonylon to be used as either a concentrate or a compound that provides good barrier properties for thermoplastic articles made from the chain-extended nanonylon. | 2008-11-20 |
20080287585 | Compositions and Reaction Tubes with Improved Thermal Conductivity - The present invention relates generally to the fields of chemistry and molecular biology. More particularly, the present invention relates to thermally-conductive compositions and reaction tubes for chemical- and biochemical-based analytical processing. Compositions and reaction tubes in accordance with the invention comprise at least one plastic and at least one compound having a higher thermal conductivity than the at least one plastic to result in compositions and tubes having increased thermal conductivity when compared to the at least one plastic alone. Such compositions and tubes are capable of facilitating rapid heat transfer in numerous heat transfer applications. The thermally-conductive compositions and reaction tubes are especially suitable for containing reaction constituents during thermal cycling of the polymerase chain reaction (PCR). | 2008-11-20 |
20080287586 | Functionalized nanoparticles and their use in particle/bulk material systems - A process for creating readily or highly dispersible nanoparticles on which chemically reactive functional groups or ligands have been placed. An ultra-high shear fluidic processor is used to change the size distribution of nanoparticle agglomerations and facilitate the formation of stable dispersions of such nanoparticles, as well as the placement of various chemically reactive functional groups or ligands on exposed surface areas of such nanoparticles. Such functionalized nanoparticle agglomerations have a broader size distribution (with a substantial increase in the proportion of smaller agglomerations), can exhibit enhanced dispersion characteristics and, when dispersed in various bulk materials, can impart to such bulk materials the desirable physical or chemical properties associated with the selected chemically active functional groups that have been attached to the surface areas of such agglomerations. | 2008-11-20 |
20080287587 | Method for forming polymer-clay nanocomposite latex and its application on sealing and semi-conductive materials - The present invention discloses a method to prepare the polymer-clay nanocomposite latex. At first, a clay and a water-soluble initiator are mixed in water to form an intermediate solution, in which the initiator is absorbed or intercalated into the clay. Then, at least one monomer from vinyl ester, acrylic and acrylamide derivatives is added into the intermediate solution for soap-free emulsion polymerization, which may also be added with some other monomers such as acrylic acid, maleic anhydride, vinyl chloride, acrylonitrile ethylene, et al. for copolymerization. During soap-free emulsion polymerization, the radicals from the dissociated initiators will react with the monomers to form the monomer radicals, which tend to diffuse into the interlayer region of clays for further polymerization and eventually exfoliate the clays. The prepared exfoliated polymer-clay nanocomposite latex can be cast into a vapor-impermeable film so that it can be used as a sealing material or coating. The exfoliated clay in nanoplatelet form is a two-dimensional electrolyte nanomaterial and its aqueous solution is conductive. The exfoliated clay aqueous solutions can be prepared by removing the polymer matrix from the nanocomposite latex with solvent. As the exfoliated clay solution is cast into a film with the clay content is more than or equal to 80 wt %, the film is semi-conductive. Thus, the exfoliated clay aqueous solutions can be applied to the electronic materials and organic/inorganic multilayer composite films. | 2008-11-20 |
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. | 2008-11-20 |
20080287589 | Sensing/Actuating Materials Made From Carbon Nanotube Polymer Composites and Methods for Making Same - An electroactive sensing or actuating material comprises a composite made from a polymer with polarizable moieties and an effective amount of carbon nanotubes incorporated in the polymer for a predetermined electromechanical operation of the composite when such composite is affected by an external stimulus. In another embodiment, the composite comprises a third component of micro-sized to nano-sized particles of an electroactive ceramic that is also incorporated in the polymer matrix. The method for making the three-phase composite comprises either incorporating the carbon nanotubes in the polymer matrix before incorporation of the particles of ceramic or mixing the carbon nanotubes and particles of ceramic together in a solution before incorporation in the polymer matrix. | 2008-11-20 |
20080287590 | RESIN CRYSTALLIZATION PROMOTER AND RESIN COMPOSITION - The present invention relates to a method for producing a resin composition having a crystallized and orderly arranged structure. The method comprises kneading an amorphous thermoplastic resin with a resin crystallization promoter to form a mixture, wherein the resin crystallization promoter comprises vapor grown carbon fibers, each fiber filament of the carbon fibers having a diameter of 0.001 μm to 5 μm and an aspect ratio of 5 to 15,000, the fibers having undergone a graphitization at 1,500° C. or higher, and subsequently subjecting the mixture to annealing at a temperature of from 55° C. higher than the glass transition point of the resin to a temperature 75° C. higher than the glass transition point of the resin. The crystallization promoter and annealing provide a thermoplastic resin composition, which, when molded, exhibits improved strength and tribological characteristics. | 2008-11-20 |
20080287591 | Polymer-chain-grafted carbon nanocapsule - A polymer-chain-grafted carbon nanocapsule. The polymer-chain-grafted carbon nanocapsule includes a carbon nanocapsule and at least one kind of polymer chain grafted thereon, forming a polymer-chain-grafted carbon nanocapsule in which the carbon nanocapsule is the core thereof. The polymer-chain-grafted carbon nanocapsules have the following formula: F(—P)m, in which F is the carbon nanocapsule, P is the polymer chain, and m is the number of the polymer chain. By grafting high-purity carbon nanocapsules with polymer chains, the application thereof is expanded. | 2008-11-20 |
20080287592 | Thermoplastic Starch and Synthetic Polymer Blends and Method of Making - Disclosed herein is a composition of matter comprising a blend of discontinuous thermoplastic starch domains in a synthetic polymer, said composition of matter being characterized by an average diameter of thermoplastic starch domains of about 0.2 to about 1.5 microns. Also disclosed are compositions of matter comprising a blend of discontinuous thermoplastic starch domains in a synthetic polymer and being characterized by finished articles having key mechanical properties which are essentially maintained or in some cases improved over pure synthetic polymers. In yet another aspect, the present invention provides a method for making the material of the present invention. In a related aspect, the present invention provides the novel materials issued from the method of making the material. In other aspects, the present invention provides novel finished article compositions in the form of films or molded articles. | 2008-11-20 |
20080287593 | Amphiphilic Polymer Compositions and their Use - The present invention relates to amphiphilic polymer compositions, to a process for their preparation and to their use for preparing aqueous active compound compositions of water-insoluble active compounds, in particular active compounds for crop protection. | 2008-11-20 |
20080287594 | Water Base Resin Composition, Process for Producing the Same, Paint, Ink, Adhesive, Sealant and Primer - The present invention provides an aqueous resin composition for paints, inks, adhesives, sealants, and primers, the composition having good adhesion to polyolefin substrates and good compatibility with various polar resins, and containing no organic solvent. | 2008-11-20 |
20080287595 | Amphiphilic Block Copolymer-Toughened Thermoset Resins - A composition comprising (1) a thermosettable resin selected from the group consisting of an epoxy resin, an epoxy vinyl ester resin, an unsaturated polyester resin or a mixture thereof, and (2) an amphiphilic mock copolymer dispersed in the thermosettable resin; fiber-reinforced plastics (FRP), coatings and composites prepared therefrom; and methods of preparing these. | 2008-11-20 |
20080287596 | Aqueous Dispersions of Water-Soluble Polymers with Comblike Stabilizers - The invention relates to aqueous dispersions of water-soluble polymers of N-vinyl-carboxamides, which are substantially salt-free and comprise anionic polymeric stabilizers having a comb-like molecular structure, processes for the preparation of the dispersions in the presence of anionic polymeric stabilizers having a comb-like molecular structure and the use of the dispersions as retention aids or fixing agents in papermaking. | 2008-11-20 |
20080287597 | Modified Polypropylene Composition - The invention relates to a polypropylene composition a heterophasic propylene copolymer, an elastomeric copolymer and inorganic filler and to a method for producing the propylene composition using peroxides. The composition is characterised by a combination of excellent impact strength, stiffness, elasticity and surface stability. | 2008-11-20 |
20080287598 | Method of preparing aramid polymers incorporating carbon nanotubes - The invention relates to a method of preparing an aramid polymer solution having carbon nanotubes dispersed therein, providing a first dispersion comprising carbon nanotubes and a carrier polymer in a first solvent; providing a first solution comprising an aromatic diamine having an electron affinity lower than that of the carrier polymer and, optionally, a second solvent; adding the first solution to the first dispersion to form a second dispersion; adding an aromatic diacid or aromatic diacid chloride to the second dispersion; polymerizing the aromatic diacid or aromatic diacid chloride with the aromatic diamine to form a carbon nanotube containing aramid polymer or co-polymer in a first aramid solution; isolating the carbon nanotube-containing aramid polymer or co-polymer; and dissolving the carbon nanotube-containing aramid polymer or co-polymer in a third solvent to form a second aramid solution. | 2008-11-20 |
20080287599 | FLUOROPOLYMER DISPERSION CONTAINING NO OR LITTLE LOW MOLECULAR WEIGHT FLUORINATED SURFACTANT - The present invention provides a fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of 10 to 400 nm dispersed in water whereby the dispersion is free of fluorinated surfactant having a molecular weight of less than 1000 g/mol or contains the fluorinated surfactant having a molecular weight of less than 1000 g/mol in an amount of not more than 0.025% by weight based on the total weight of solids in the dispersion. The dispersion further comprises a non-ionic surfactant and an anionic surfactant selected from fluorinated anionic surfactants having a molecular weight of at least 1000 g/mol, non-fluorinated anionic surfactants and mixtures thereof. | 2008-11-20 |
20080287600 | POLYACRYLATE-BASED POLYMER - The present invention comprises material resin comprising polyamide or polyethylene-based resin; and polyacrylate copolymer obtained by absorption of acrylate monomer, polymerization initiator and functional monomer chosen from among acrylic acid, methacrylic acid, and a mixture of the acrylic acid and the methacrylic acid into the material resin and subsequent polymerization, providing polyacrylate-based polymer, where 128 to 955 parts by weight of the polyacrylate copolymer are used for every 100 parts by weight of the material resin. | 2008-11-20 |
20080287601 | Silane-Sulfide Chain End Modified Elastomeric Polymers - A chain end modified polymer comprising the reaction product of a living anionic elastomeric polymer and a silane-sulfide modifier A preferred class of modifiers includes compounds represented by the formula: (RO) | 2008-11-20 |
20080287602 | Aqueous Alkyd Resin Emulsion for Fixing Water-Soluble Dyes - The invention provides aqueous resin emulsion containing a resin obtained by reaction of a composition containing at least:
| 2008-11-20 |
20080287603 | ADDITION CURING SILICONE COMPOSITION FOR CIPG THAT YIELDS CURED PRODUCT WITH EXCELLENT COMPRESSION SET, AND METHOD OF REDUCING COMPRESSION SET OF CURED PRODUCT OF THE COMPOSITION - Provided is an addition curing silicone composition for CIPG, including: (A) 100 parts by mass of an organopolysiloxane containing at least two alkenyl groups bonded to silicon atoms within each molecule, (B) an organohydrogenpolysiloxane, in sufficient quantity to provide from 0.4 to 10.0 mols of hydrogen atoms bonded to silicon atoms within this component (B) for every 1 mol of alkenyl groups bonded to silicon atoms within the entire composition, (C) an effective quantity of a platinum group metal-based catalyst, (D) a curing retarder, and (E) an acid-receiving agent which is inorganic. The composition yields a cured product with particularly superior compression set, and exhibits excellent storage stability, curing stability (curability following storage), and adhesion. The compression set for a cured product of an addition curing silicone composition including the aforementioned components (A) through (D) can be reduced by preparing a composition including said components (A) through (E) and curing said composition including said components (A) through (E) at room temperature or under heating. | 2008-11-20 |
20080287604 | Hydrogel Including Modified Cyclodextrin Crosslinked With Polyurethane Prepolymer - A hydrogel composition comprising a modified cyclodextrin crosslinked with a polyurethane prepolymer. In one embodiment, the hydrogel includes a ratio of the modified cyclodextrin to the polyurethane prepolymer selected to result in formation of the hydrogel. The hydrogel composition may be used in a personal care product. A process for preparing a hydrogel, including providing a modified cyclodextrin; providing a polyurethane prepolymer; combining the modified cyclodextrin with the polyurethane prepolymer; and allowing the polyurethane prepolymer to react with and crosslink the cyclodextrin to form the hydrogel. A process for preparing a hydrogel-containing article such as a personal care product, including preparing the hydrogel and applying it or the components thereof to a suitable substrate. | 2008-11-20 |
20080287605 | Curable Liquid Composition, Cured Layer and Coated Optical Fiber - A curable liquid resin optical fiber coating composition comprising 0.1 to 10 wt %, relative to the total weight of the composition, of an alkoxysilane compound (A) which does not contain a radically polymerizable functional group, and 0.01 to 1 wt %, relative to the total weight of the composition, of a hindered amine compound. (B). This curable liquid resin composition produces a cured product that ensures a high n-value of the coated optical fiber and an excellent fiber strength after coating removal. | 2008-11-20 |
20080287606 | Method for Producing Miniemulsion Block Polymers - An aqueous dispersion of a block copolymer comprising a polyadduct or polycondensate (polymer I for short) on one hand and a polymer obtainable by free-radical addition polymerization (polymer II for short) on the other, wherein
| 2008-11-20 |
20080287607 | Activated carbon fibers and precursor material thereof - An activated carbon fiber for fabricating a supercapacitor electrode and its precursor material are provided. The precursor material of the activated carbon fiber includes polyacrylonitrile (PAN) and a polymer having formula (I): | 2008-11-20 |
20080287608 | Polyethylene Composition for Injection Moulded Transport Packaging Articles - The present invention relates to a polyethylene composition wherein
| 2008-11-20 |
20080287609 | PROCESS FOR PRODUCING PERFLUOROPOLYMER, PRODUCTION APPARATUS AND PROCESS FOR PRODUCING ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELLS - To provide a process for efficiently producing a perfluoropolymer having unstable terminal groups reduced, a production apparatus, and a process for efficiently producing an electrolyte membrane for polymer electrolyte fuel cells excellent in the durability. | 2008-11-20 |
20080287610 | Copolycarbonate, Copolycarbonate Composition, and Optical molded Article Obtained Therefrom - Provided is a copolycarbonate which can meet a wide range of molding conditions as a raw material and which results in providing good optical molded articles. | 2008-11-20 |
20080287611 | SILANE VARNISHES COMPRISING AMINOSILANES AND EPOXY-FUNCTIONAL POLYACRYLATES - The invention relates to silane coatings obtainable by reaction of aminosilanes with glycidyl (meth)acrylate copolymers. | 2008-11-20 |
20080287612 | Cationic Electrodeposition paint compositions - This invention discloses a cationic electrodeposition paint composition containing an amino group-containing modified epoxy resin which is obtained through reaction of specific modified epoxy resin with xylene formaldehyde resin having phenolic hydroxyl groups and amino group-containing compound. The cationic electrodeposition paint composition excels in film thickness retention, finished appearance of coating film and electrocoatability of galvanized alloy steel sheet and can form coating film having good corrosion resistance, even when its content of volatile organic compound (VOC) is reduced. | 2008-11-20 |
20080287613 | Low-Monomer-Concentration, Low-Viscosity Solutions of Tdi Isocyanurates in Branched Dialkyl Phthalates - The present invention relates to novel low-monomer-concentration, low-viscosity solutions of diisocyanatotoluene-based isocyanatoisocyanurates in branched dialkyl phthalates as environmentally acceptable plasticizers for polyvinyl chloride, to a process for preparation of these solutions, and to their use as adhesion-promoting additives for coating compositions based on plasticized polyvinyl chloride. | 2008-11-20 |
20080287614 | Polypropylene-Based Polymer Blend of Enhanced Melt Strength - The melt strength of polypropylene is enhanced by blending a cyclo-olefin copolymer into the polypropylene. The cyclo-olefin copolymer comprises an amorphous random copolymer of ethylene and norbornene, the cyclo-olefin copolymer comprising at least about 60 wt. % of norbornene. As a result of the high norbornene content of the COC, the glass transition temperature of the COC is relatively high. In preferred embodiments, the norbornene content ranges from about 60 wt. % to about 85 wt. %, and the glass transition temperature correspondingly ranges from about 55° C. to about 170° C. The COC thus is glassy at room temperature and remains glassy at temperatures significantly above room temperature. The glass transition temperature of the COC is substantially higher than that of the polypropylene in the composition. | 2008-11-20 |
20080287615 | Polymerization Process - The present invention relates to a gas phase process for polymerizing one or more hydrocarbon monomer(s) in the presence of a catalyst system and a fluorinated hydrocarbon, where the fluorinated hydrocarbon is present at a partial pressure of 6.9 to 348 kPa in the reactor and the reactor temperature is from 30 to 120° C. | 2008-11-20 |
20080287616 | Process for Production of (Meth)Acrylic Acid with High Boiling Fraction Work-Up By Means of Crystallization - A process for production of (meth)acrylic acid is disclosed. The process includes synthesizing and distillatively working-up a crude (meth)acrylic acid phase to obtain a (meth)acrylic acid phase and a dimer phase including (meth)acrylic acid dimers and/or (meth)acrylic acid oligomers. At least a part of the (meth)acrylic acid dimers and/or of the (meth)acrylic acid oligomers from the dimer phase is split to obtain a (meth)acrylic acid including a low-boiling phase and a high-boiling phase including less (meth)acrylic acid than the low-boiling phase. At least a part of the (meth)acrylic acid from the low-boiling phase is separated by forming of one or more crystals to obtain a pure (meth)acrylic acid and a residue. Also disclosed is a device for production of (meth)acrylic acid, a process for production of a polymer as well as chemical products based on or including (meth)acrylic acid or a polymer as well as the use of (meth)acrylic acid or polymers in chemical products. | 2008-11-20 |
20080287617 | Catalyst System For Olefin Polymerization And Polymers Produced Therefrom - This invention relates to a catalyst system comprising:
| 2008-11-20 |
20080287618 | Solid State Properties Of Polyethylene Prepared With Tetrahydroindenyl-Based Catalyst System - The present invention discloses articles having excellent dimensional stability, solid state mechanical properties and barrier properties that are produced with a polyethylene resin prepared with a catalyst system based on a bridged bisindenyl ligand. | 2008-11-20 |
20080287619 | Supported metallocene catalysts - Method employing a supported metallocene catalyst composition in the production of an isotactic ethylene propylene co-polymer. The composition comprises a metallocene component supported on a particulate silica support having average particle size of 10-40 microns, a pore volume of 1.3-1.6 ml/g, a surface area of 200-400 m 2/g. An alkylalumoxane cocatalyst component is incorporated on the support. The isospecific metallocene is characterized by the formula: | 2008-11-20 |
20080287620 | Ethylene elastomer compositions - In a process for producing an elastomer composition, ethylene, at least one alpha-olefin, and at least one diene is contacted with a catalyst system comprising at least one metallocene catalyst compound and a non-coordinating anion activator. The at least one metallocene catalyst compound comprises an indenyl complex having the general formula: (In | 2008-11-20 |
20080287621 | Catalysts for olefin polymerization or oligomerization - Novel iron and cobalt complexes of certain novel tricyclic ligands containing a “pyridine” ring and substituted with two imino groups are polymerization and/or oligomerization catalysts for olefins, especially ethylene. Depending on the exact structure of the ligand, and polymerization process conditions, products ranging from α-olefins to high polymers may be produced. The polymers, especially polyethylenes, are useful for films and as molding resins. | 2008-11-20 |
20080287622 | Polymerization of acrylic polymers in reactive diluents - The present process is directed to preparation of addition polymers in diluents that are subsequently reactive in coatings during cure, instead of in traditional hydrocarbon solvents. The polymers so prepared can be used as the main film-forming polymer in high solids coating compositions, especially those useful for finishing automobiles and truck exteriors. | 2008-11-20 |
20080287623 | Cure systems for rubber compounds - The invention relates to the use of alkylphenol disulfide accelerators in butyl and halobutyl compounds. | 2008-11-20 |
20080287624 | Process for Preparing an Optical Organic Polymer - A process is provided for preparing an organic polymeric useful in the fabrication of optical waveguides or optical fiber. The polymer is a homo- or copolymer having an olefinic backbone with a pendant group comprising fluorinated aromatic and aliphatic moieties, and is cross-linkable. Polymers having refractive index over a wide range may be prepared by selecting specific constituents of the pendant group. | 2008-11-20 |
20080287625 | Fluoropolymer Having S-Sulfate Group and Water/Oil Repellent Composition Containing the Polymer - A fluoropolymer comprising: (A) repeating unit derived from an S-sulfate monomer having an —S—SO | 2008-11-20 |
20080287626 | Polymerization Products and Biomedical Devices Containing Same - Polymerization products formed from a monomeric mixture comprising (a) one or more first monomers of the general formula I: | 2008-11-20 |
20080287627 | Perfluoroelastomer compositions and methods of preparing same - The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a). | 2008-11-20 |
20080287628 | Endosomolytic Poly(Vinyl Ether) Polymers - The present invention is directed to membrane active polymers useful for cellular delivery of compounds. Described are polyconjugates systems that incorporate targeting, anti-opsonization, anti-aggregation, and transfection activities into small biocompatible in vivo delivery conjugates. The use of reversible modification provides for physiologically responsive activity modulation. | 2008-11-20 |
20080287629 | Aqueous N-Methylolmethacrylamide-Methacrylamide Mixture - The invention relates to mixtures of methacrylamide and aqueous N-methylolmethacrylamide solution. | 2008-11-20 |
20080287630 | Endosomolytic Poly(Acrylate) Polymers - The present invention is directed to membrane active polymers useful for cellular delivery of compounds. Described are polyconjugates systems that incorporate targeting, anti-opsonization, anti-aggregation, and transfection activities into small biocompatible in vivo delivery conjugates. The use of reversible modification provides for physiologically responsive activity modulation. | 2008-11-20 |
20080287631 | Process for Preparing Water-Absorbing Polymer Particles - A process for producing water-absorbing polymeric particles comprises the steps of
| 2008-11-20 |
20080287632 | Stabilization of Monomer Emulsions Against Premature Polymerization - The invention relates to a stable formulation of a monomer emulsion, to a process for its preparation and to its uses. | 2008-11-20 |
20080287633 | Hydrogel Materials - The present invention relates to biocompatible crosslinked biomaterials made from polycondensation polymerization reactions involving polynucleophilic-polyelectrophilic precursors that address the limitations of steric hindrance, viscosity, and diffusion currently reducing gelation rates and curing thoroughness of the biomaterials. A cross-linking scheme is utilized in the invention that permits rapid gelation and thorough curing of the biomaterial. The biomaterial is made by polycondensation polymerization of polynucleophilic-polyelectrophilic precursors to form a water-soluble polymer crosslinked with a water-soluble crosslinker having at most one core cyclic structure. | 2008-11-20 |
20080287634 | Heterogeneous, Compositionally Phase Separated, Ethylene Alphaolefin Interpolymers - The present invention pertains to a heterogeneous ethylene/αolefin copolymer having a relatively high melt index range (I | 2008-11-20 |
20080287635 | Latex Adhesives Derived From Ionic Strength Induced Soy Protein Complexes - Macro hydrophobic clusters and complexes of soybean globular proteins were observed using TEM (Transmission Electron Microscope). Upon unfolding, hydrophobic groups of the proteins became exposed toward the surface of the protein and actively interacted with other hydrophobic groups of other protein molecules, thereby forming hydrophobic bonding. The hydrophobic bonding resulted in hydrophobic protein clusters, the formation of which was affected by the degree of protein unfolding, protein structure, and hydrophobic components. Such hydrophobic clusters followed the global minimum free energy theory and formed spherical like structures with diameters ranging from 100 nm to 3000 nm. Such an understanding lends applicability to many uses in adhesives, molding composites, surfactants for oil-water systems, bio-based interior construction paints and paper coatings, fiber production, and metal powder molding applications. | 2008-11-20 |
20080287636 | Curable Composition - [PROBLEMS] There is provided a curable composition having good curability and adhesiveness.
| 2008-11-20 |
20080287637 | Method for Improving the Surface Smoothness of Planar Textile Structures - A method for improving the surface smoothness of planar textile structures, in particular sails, sunblinds, or textiles used in vehicles by applying at least one aminopolysiloxane. In this way it becomes possible to achieve individual and, in particular, new combinations of properties and effects, such as better aerodynamic properties, reduced air permeability, good soil repellence, increased elasticity, good water repellence, reduction of frictional forces during use. | 2008-11-20 |
20080287638 | Supramolecular Polymers Associative to Carbon Nanotubes - A supramolecular polymer and its composite with carbon nanotubes, CNTs, are described. The supramolecular polymer is an ensemble of precursors that independently contain “sticky feet” for non-covalent binding to carbon nanotube surfaces and associative groups. There is at least one of the associative groups covalently bound to each of the precursor and there is at least one covalently connecting moiety connecting associative groups within a precursor or connecting an associative group to a linker to a “sticky foot” in a precursor. When the associative groups are in a dissociative state, the supramolecular polymer precursors and CNTs can be combined to form a dispersion. Upon promotion, the dissociated associative groups in the dispersion can associate to yield a CNT/supramolecular polymer composite. | 2008-11-20 |
20080287639 | CROSS-LINKED THERMOPLASTIC POLYURETHANE/POLYUREA AND METHOD OF MAKING SAME - A cross-linked thermoplastic polyurea is formed by heating a mixture containing a thermoplastic urethane base material, a monomeric and/or polymeric di-isocyanate comprising between 1 to 10% of the total weight of the mixture, and a diamine comprising between 1 to 10% of the total weight of the mixture. A thermoplastic polyurethane may be formed by substituting hydroquinone for the diamine. The mixture is heated to a temperature within the range of 250° F. to 550° F. The heated mixture, which is flowable, is then injected into at least one injection molding device. The mixture is then cured at a temperature between 150° F. to 250° F. for a period of time between 2 and 36 hours. The cross-linked thermoplastic polyurethane/polyurea retains the excellent flowability characteristics of a thermoplastic urethane while the same time exhibits good abrasion, tensile strength, rebound, and compression set characteristics which are similar to those found in thermoset urethanes. | 2008-11-20 |
20080287640 | PROCESS FOR THE PRODUCTION OF POLYCARBONATE USING AN ESTER SUBSTITUTED DIARYL CARBONATE - A method of preparing polycarbonate includes a steps of providing a melt reaction mixture and allowing the melt reaction mixture to react to build molecular weight, thereby preparing the polycarbonate. The melt reaction mixture has a dihydroxy compound, an ester substituted diaryl carbonate mixture, and a melt transesterification catalyst where the ester substituted diaryl carbonate mixture may contain acid-substituted phenol. The method also includes the step of adjusting the molar ratio of acid-substituted phenol, if present, to melt transesterification catalyst (acid-substituted phenol/catalyst) in the melt reaction mixture to an amount of less than 10. | 2008-11-20 |
20080287641 | MICRON-SIZE POLYMER PARTICLES, PRODUCTION AND USES THEREOF - A plurality of micron-size solid particles is described herein that includes at least one polyamide compound, wherein the particles comprise a diameter in the range of about 1 micron to about 1000 microns, and wherein at least some of the plurality of particles are substantially transparent. In addition, a plurality of micron-size solid particles is described herein that includes at least one polyamide compound, wherein the particles comprise a diameter of less than about 4 microns. Methods of forming a plurality of micron-size solid particles are also described that include a) introducing at least one amide-based compound having a melting point, at least one suspending agent and at least one surfactant into a reaction vessel to form a reaction mixture; b) applying a thermal energy to the reaction mixture, wherein the thermal energy comprises a temperature that is at or above the melting point of the at least one amide-based compound; c) polymerizing the at least one amide-based compound in the reaction mixture; d) cooling the reaction mixture; and e) rinsing the reaction mixture to retrieve the polymer particles. | 2008-11-20 |
20080287642 | Process for Production of Polyimide Film Having High Adhesiveness - A process for the production of non-thermoplastic polyimide film whose precursor solution has high storage stability and which exhibits high adhesiveness even without expensive surface treatment, more specifically, a process fro the production of non-thermoplastic polyimide film made of a non-thermoplastic polyimide containing a block resulting from a thermoplastic polyimide which comprises (A) the step of forming a prepolymer having amino or an acid anhydride group at the end in an organic polar solvent (B) the step of synthesizing a polyimide precursor solution by using the obtained prepolymer, an acid anhydride, and a diamine in such a way as to become substantially equimolar over the whole step, and (C) the step of casting a film-forming dope containing the polyimide precursor solution and subjecting the resultant dope to chemical and/or thermal imidization, wherein the diamine and acid anhydride used in the step (A) are selected so that the reaction of both with each other in equimolar amounts can give a thermoplastic polyimide, and the polyimide precursor obtained in the step (B) is a precursor of a non-thermoplastic polyimide. | 2008-11-20 |
20080287643 | Polyamides Formed From Metaxylylenediamine and Adipic and Having an Amino End Group Content of Less Than 15 Mmol/Kg - The present invention relates to novel and improved polyamides composed of meta-xylylenediamine and having an amino end group content of less than 15 mmol/kg. Also found have been processes for preparing these polyamides composed of meta-xylylenediamine and adipic acid and having an amino end group content of less than 15 mmol/kg, which comprises reacting salt solutions of adipic acid and m-xylylenediamine at temperatures of from 80 to 300° C. and a pressure of from 1 to 20 bar with removal of water. | 2008-11-20 |
20080287644 | HARDENER FOR EPOXY RESINS, METHOD FOR HARDENING AN EPOXY RESIN AND USE OF THE HARDENER - The present invention relates to a hardener for epoxy resins, which on the one hand contains a Michael adduct of a bifunctional amine and of an acrylic acid derivative and also an adduct from a epoxy and the bifunctional amine. The invention likewise relates to a method for hardening an epoxy resin by mixing of a not yet hardened epoxy resin with a Michael adduct of a bifunctional amine and of an acrylic acid derivative. Furthermore, purposes of use of the hardener according to the invention are provided. | 2008-11-20 |
20080287645 | Method for preparing polymer polyol stabilizer using maleic anhydride, and polymer polyol stabilizer prepared thereby - Disclosed herein is a novel stabilizer for preparing a polymer polyol, which is used to prepare polyurethane foam having improved physical properties. The stabilizer is prepared by allowing maleic anhydride to react with a polyether polyol, having an OH functionality of 3-8 and a molecular weight of 3,000-15,000, and then adding ethylene oxide to the reaction solution. Because the molecular weight and functionality of the stabilizer are increased through aging and dimerization, the stabilizer has a high molecular weight of 5,000-30,000, a high OH functionality of 6-10 and a viscosity of 3,000-15,000 cps/25° C. A polymer polyol derived from the stabilizer has low viscosity compared to those of prior products and contributes to the improvement in the physical properties of the resulting polyurethane foam. | 2008-11-20 |