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Document Title |
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7615168 |
Flame retardants and flame retarded polymers
There is presented a new flame retardant composition comprising a brominated aromatic composition and a butyl substituted phenyl phosphate.
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7541388 |
Polyimide foams
A fully imidized, solvent-free polyimide foam having excellent mechanical, acoustic, thermal, and flame resistant properties is produced. A first solution is provided, which includes one or more...
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7351752 |
Thermo-expansive microspheres, their production process and their application
The present invention provides thermo-expansive microspheres comprising thermoplastic resinous shell and a blowing agent being encapsulated in the shell, the blowing agent which is a...
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7179845 |
Elastomeric latex foams
The invention relates generally to a stable flexible latex foam. The latex foam will contain at least one polymer having a plurality of hard domains and a plurality of soft domains, a micelle...
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7074880 |
Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same
A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to...
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6800668 |
Syntactic deformable foam compositions and methods for making
The invention relates to methods for preparing a syntactic foam composition suitable for use as a carrier for chemicals or other compounds, including pharmaceuticals. The invention further relates...
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6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present...
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6777454 |
Vesiculated polyester granules
This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant.
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6753356 |
Foaming compositions
Use as foaming agents having a low environmental impact of azeotropic or near azeotropic compositions using difluoromethoxy-bis(difluoromethyl ether) and/or...
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6696504 |
Extruded styrene resin foams, and methods for producing the same
Production of extruded styrene resin foams which are excellent in environmental compatibility and retain highly efficient thermal insulation property and have appropriate strength properties is...
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6599946 |
Blowing agent composition and polymeric foam containing a normally-liquid hydroflurocarbon and carbon dioxide
The present invention relates to blowing agent compositions for polymeric foams that contain carbon dioxide and a hydrofluorocarbon having a boiling point of 14° C. or higher and lower than about...
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6545062 |
Production of water-expandable styrene polymers
The invention relates to a process for the production of styrene polymers containing water as expanding agent by suspension polymerization of styrene in the presence of an emulsifying auxiliary,...
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6476080 |
Blowing agent compositions containing hydrofluorocarbons and a low-boiling alcohol and/or low-boiling carbonyl compound
The present invention relates to blowing agent compositions that contain at least one hydrofluorocarbon having a boiling point of 30° C. or higher and lower than about 120° C., at least one...
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6472444 |
Closed cell phenolic foam
A closed cell phenolic foam is formed from a phenolic resin, a blowing agent such as HCFC141b, a catalyst and less than 2.5% by weight relative to the resin of at least one hydrofluoroether or an...
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6469078 |
Molecular weight increase and modification of polycondensates
This invention relates to a process for increasing the molecular weight and/or for the modification of polycondensates during the processing in the melt, which comprises adding to the...
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6451348 |
Method of manufacturing porous matrix-type controlled release systems using emulsion technique
A method of manufacturing a porous matrix-type drug delivery system is provided. It comprises the steps of: dispersing, stirring, and emulsifying an aqueous solution of a drug in an organic solvent...
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6444713 |
Foaming compositions and methods for making and using the compositions
A low-temperature foam compositions and that are produced from an epoxy compound and an acid source can be substantially free of polyurethane or isocyanate chemistry. The disclosed compositions and...
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6414044 |
Foamed caulk and sealant compounds
Stable foam caulk, sealant and insulation compositions are disclosed. These compositions comprise aqueous emulsions of film forming polymers in combination with microfibers. The preferred film...
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6403663 |
Method of making foamed materials using surfactants and carbon dioxide
A method of producing a foamed material comprises contacting a material with a fluid mixture comprising carbon dioxide and a surfactant, wherein the surfactant facilitates the dissolution of the...
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6379689 |
Article for controlled and substantially uniform release of a volatile organic substance
An article for controlled and substantially uniform release of a volatile active organic substance into the surrounding atmosphere includes a silicone elastomer matrix of desired shape in which are...
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6376059 |
Polyethylene foams and methods of their production
High-density polyethylene (HDPE) foams that are essentially free of residual chemical blowing agents and reaction-by-products of chemical blowing agent are provided. The HDPE foams can be either...
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6340714 |
Chloride-sensitive electrode membrane
A membrane for use in chloride-sensitive electrodes, comprises a polymer matrix with at least one electroactive component. The polymer matrix of the membrane contains an epoxy resin with an amino...
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6339109 |
Method of pelletization of polymer
A method of preparing cellular pellets from a prepolymer comprising a blowing agent, the method comprising the steps of: a) extruding the prepolymer through a die, the die maintained at conditions...
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6333364 |
Silicone rubber compositions
A silicone rubber composition comprising (A) 100 parts by weight of a heat curable organopolysiloxane composition, (B) 0.1-30 parts by weight of unexpanded or expanded organic resin-base...
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6315932 |
Processes for the production of extruded foams of styrene resins
An extrusion foaming method for obtaining a styrene resin foam by introducing a blowing agent into the resin under pressure by which a foam having excellent heat insulating property and compressive...
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6300385 |
Organic porous material
The present invention provides an organic porous material having equivalent thermal insulating properties to those of a porous material of a silica material and improved brittleness. The organic...
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6284359 |
Starch-based core products for use in rolled paper goods
A biodegradable, water dispersible shaped core product useful in winding or rolling and storage of paper goods is provided by extruding starch which has a particle size of 800 to 1200 microns into...
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6274640 |
Extruded foam product with 134a and alcohol blowing agent
The present invention generally relates to methods for preparing extruded foam products and more particularly to a methods for producing such products with a blowing agent containing 134a and an...
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6160030 |
High water content porous polymer
The present invention relates to porous polymers comprising a perfluoropolyether unit, to a process for producing such porous polymers, in particular to a process for polymerising or copolymerising...
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6146892 |
Fibrillar matrices
Methods and compositions are described that provide three-dimensional fibrillar matrices useful as, among other things, structural prosthetics and scaffolds for cells. The porous fibrillar matrices...
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6107358 |
Water-absorbent resin and method for production thereof
A method for the production of a water-absorbent resin capable of fast water absorption is disclosed which comprises the steps of dispersing bubbles of an inert gas in an aqueous monomer solution...
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6090863 |
Biodegradable polystyrene foaming products
A biodegradable polystyrene foaming product comprising 35-65 wt. % of polystyrene, 30-50 wt. % of starch, and 5-15 wt. % of cross-linking agent.
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6031012 |
Curable composition, foam produced therefrom, and process for producing the foam
Provided is a curable composition comprising (A) a phenolic compound having a carbon-carbon double bond, (B) a compound having an SiH group, and (C) a foaming agent. The composition can be foamed...
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6013689 |
Method for making a closed-cell phenolic resin foam, foamable composition, and closed-cell phenolic resin foam
Provided is a foamable, phenolic resin composition adapted to form a closed-cell phenolic resin foam under substantially atmospheric pressure. The foamable, phenolic resin composition is formulated...
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5972310 |
Aqueous foamable composition
An aqueous foamable composition is provided having a delayed foaming action on expulsion from a pressurized container. The composition comprises a major amount of water, a water-immiscible...
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5905098 |
Process for producing low density polethylenic foam with atmospheric gases and polyglyols or polygycol ehters
Members either of the polyglycol family of substances, more generally, or of the polyglycol ether subset of polyether compounds, more particularly, both for their gas absorption properties and for...
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5852064 |
Foamed and cross-linked phenolic resin and method for making same
A phenolic foam having exceptional absorption capacities for pollutants such as hydrocarbons and other substances is described. The foam is hydrophobic and is capable of absorbing such substances...
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5817706 |
Manufacture of non-CFC cellular resol foams using perflurinated ethers
The invention relates to a process for producing non-CFC resol foams of low density using perfluorinated ethers along with a HCFC or CFC blowing agent, and to foams produced by such a process. The...
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5753718 |
Low compression set fluoroelastomer polymer foam and method
A fluoroelastomer polymer foam having a compression set value in the range of from about 8.3% to about 43% and closed cell microvoids having diameters of from about 0.002 mm to about 0.048 mm or...
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5744507 |
Foamable organosiloxane compositions curable to silicone foams having improved adhesion
A foamable, curable organosiloxane composition comprising an alkenyl-functional polyorganosiloxane, an organohydrogensiloxane, a blowing agent, a platinum catalyst and an adhesion promoter...
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5741825 |
Thermal insulating foamed material and method for manfacturing the same
A polyurethane foam is constituted by using a blowing agent selected from the group consisting of iodofluorohydrocarbons, perfluoroalkenes and hydrogen-containing fluoromorpholine derivatives....
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5708040 |
Method for preparing porous membranes utilizing water or organic vapor adsorption
The present invention describes a method for preparing an asymmetric porous membrane by a dry-wet phase inversion method, which comprises contacting a cast or spun polymer solution with water or...
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5688837 |
Method of improving adhesion of polyurethane foam to polycarbonate and articles made thereby
A method improves the adhesion of polyurethane foam to polycarbonate by providing reactive groups on the polycarbonate surface. The adhesion is further improved by utilizing a polyurethane mix with...
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5652276 |
Foaming resin composition, plastic foam formed from the composition, and method for forming the plastic foam
A foaming resin composition consisting essentially of (A) an organic compound having a carbon-carbon double bond, (B) a compound having an SiH group, and (C) a compound having an OH group is foamed...
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5614567 |
Method for preparing self releasing silicone foams and method of reducing cycle time of producing silicone foams
A method of preparing a self-releasing silicone foam in which a composition containing a siloxane polymer, an organohydrogensiloxane, a platinum catalyst, a polyol, and preferably a monofunctional...
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5580906 |
Ternary azeotropic compositions
Azeotropic or azeotrope-like compositions of effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, heptane and an alcohol such as methanol, ethanol, n-propanol or isopropanol, to form an...
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5571847 |
Compatibilized carbon black and a process and a method for using
Disclosed is a compatibilized carbon black useful in melt processing of plastic material. The carbon black is coated with a compatibilizing agent which enhances the dispersibility of the carbon...
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5569681 |
Flame-retardant foamed particles of polyolefin resin
Flame-retardant foamed particles of a polyolefin resin, which contain a bis(alkyl ether)tetrabromobisphenol A flame retardant and/or a bis(alkyl ether)tetrabromobisphenol S flame retardant, and a...
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RE35368 |
Endothermic blowing agents for surface migration of components in foamed products, compositions and applications
Compositions for producing foamed products which include additives and blowing agents which cause the surface treatment additives to migrate to the surfaces of foamed products. The products...
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5453454 |
Production of foam boards of high compressive strength from styrene polymers
Process for the production of foam boards having a minimum thickness of 20 mm and a cross-sectional area of at least 50 cm 2 by extruding a mixture of the styrene polymer, from 1 to 10% by weight,...
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