Synthetic resins or natural rubbers -- part of the class 520 series inventions 10/06

20060241192 - Composite ion-exchange membrane: A composite ion exchange membrane having a high swelling resistance and being superior in mechanical strength and ion conductivity can be provided by means of an composite ion exchange membrane including an ion exchange resin composition and a support membrane having a continuous pore penetrating the support membrane, wherein the...

20060241193 - Use of dialkyl carbonates as solvents for expanded polystyrene: The invention relates to the use of dialkyl carbonates as solvents for expanded polystyrene and to a new process for the recycling of expanded polystyrene. Said process comprises the volume reduction of expanded polystyrene by dissolution with a dialkyl carbonate, or a blend of dialkyl carbonates, the removal of the...

20060241194 - Nanoporous media templated from unsymmetrical amphiphilic porogens: Substantially or roughly spherical micellar structures useful in the formation of nanoporous materials by templating are disclosed. A roughly spherical micellar structure is formed by organization of one or more spatially unsymmetric organic amphiphilic molecules. Each of those molecules comprises a branched moiety and a second moiety. The branched moiety...

20060241195 - Compositions based on expandable vinylaromatic polymers with an improved expandability: Compositions of expandable vinylaromatic polymers which contain a polymer, of at least one vinylaromatic monomer, having an average molecular weight Mw ranging from 50,000 to 170,000, which comprise: a) 0-50% by weight of a copolymer obtained by polymerizing one or more vinylaromatic monomers and 0.1-15% by weight of an α-alkylstyrene;...

20060241196 - Polymer binder for intumescent coatings: The present invention discloses a copolymer composition for use in or as a polymeric binder in an intumescent coating, said copolymer composition comprising a blend of a Newtonian copolymer and of a reticulated copolymer, wherein the Newtonian copolymer is comprised of p-methylstyrene repeat units and 2-ethylhexylacrylate repeat units, and wherein...

20060241197 - Plasticizer compositions for flexible closed cell foams: Foamable compositions based on rigid organic polymers such as polyvinyl chloride contain as the plasticizer a blend of a) a liquid oligomeric ester of phthalic acid, at least one aliphatic dicarboxylic acid or a mixture thereof; and b) a total of at least 15 weight percent, based on total plasticizer,...

20060241198 - Aqueous reinforced rubber dispersions and their use for making latex foams: The present invention relates to an aqueous reinforced rubber dispersion comprising: a) 51 to 90 wt-% of base latex polymer particles; and b) 10 to 49 wt-% of reinforcing latex polymer particles comprising structural units of aromatic vinyl monomers and conjugated diene monomers, the reinforcing latex polymer particles having a...

20060241199 - Foamed isocyanate-based polymer, a mix and process for production thereof: The invention relates to a foamed isocyanate-based polymer derived from a reaction mixture comprising an isocyanate, an active hydrogen-containing compound, a blowing agent and a highly branched polysaccharide which is derivatized to provide a hydrophobicity which renders it compatible with a polyether polyol with which the underivatized polysaccharide is incompatible....

20060235093 - Methods of reducing polystyrene foams using dibasic esters with extruders: The present invention is directed to novel polystyrene foam reduction recycling compositions and methods that solve the volume problem of recycling polystyrene foam materials while simultaneously allowing the easy and inexpensive shipment of the foamed materials after reduction in volume by use of one or more dibasic ester compositions in...

20060235094 - Uses of a method for the manufacture of foamed shaped polymer parts of liquid silicone rubber: A liquid silicone rubber molding composition (LSR) in the form of two separate components (A, B) is conveyed separately in two streams under elevated pressure and impregnated with an expanding agent (C). Thereafter, the two streams are mixed together under elevated pressure and then, while reducing the pressure, the reactive...

20060235096 - Method for the production of expanded polymeric materials and expanded polymeric material obtained by the method: A method for the production of expanded polymeric materials; in particular for producing thermally insulating materials used in refrigerators. The method comprising the steps of providing a mixture of reagents based on isocyanate and polyol with the addition of expandable polystyrene-based microspheres, in which method the ratio by weight between...

20060235095 - Method for the production of expanding thermoplastic elastomers: The invention relates to expandable thermoplastic polyurethanes, capable of preparation via mixing of thermoplastic polyurethanes with expandable microspheres, wherein the expandable microspheres have a TMA density smaller than 10 kg/m3....

20060235097 - Permeable foam: The present invention relates to permeable closed cell foam. The foam may be produced by forming a substrate including a polymeric material, a foaming agent and optionally a crosslinking agent. Holes may be formed in the substrate and the substrate may be crosslinked. The foaming agent may then be activated...

20060235098 - Polyurethane foams made with blowing catalyst compositions containing primary hydroxyl groups and high ethylenediamine backbones: Z is —CH2CH2OH; and n is an integer from 3 to 7, inclusive. Also provided is a method for catalyzing the reaction between at least one isocyanate compound and at least one active hydrogen-containing compound, such as a polyol and/or a blowing agent....

20060235099 - Foamed material, method for production thereof, cushioning material, thermal insulating material and structure of wall of building: A foamed material constituting a thermal insulator (360) which comprises 50 wt % or more of a non-resin component, preferably 50 to 70 wt % of a mixture of cellulose, starch and a poly(vinyl alcohol). In a more preferable embodiment, the foamed material contains 30 wt % of cellulose, 25...

20060235100 - Polyurethane foams made with vegetable oil hydroxylate, polymer polyol and aliphatic polyhydroxy alcohol: The present invention provides polyurethane foams made from a polyisocyanate and a polyol component containing a polymer polyol (PMPO), a vegetable oil hydroxylate and an aliphatic polyhydroxy alcohol, and optionally a non-vegetable oil-based polyol. The vegetable oil hydroxylates are environmentally-friendly, bio-based polyols. The inclusion of low amounts of a polymer...

20060229370 - Water-absorbent resin, hydropolymer, process for producing them, and uses of them: The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of polymerizing an aqueous solution of water-absorbent resin-forming monomers including acrylic...

20060229371 - Composition for preparing rigid polyurethane foam and rigid polyurethane foam made therefrom: Composition for preparing a rigid polyurethane foam improved adhesive strength, and a rigid polyurethane foam made therefrom are provided. The composition for preparing a rigid polyurethane foam is prepared using cyclopentane system as a physical blowing agent, and polyols having a low viscosity, and has an increased adhesive strength without...

20060229372 - Flame-retarded foamed plastic compositions and shaped articles: A flame retarded foamed plastic composition comprises a polystyrene type resin; a brominated flame retardant having a Br content greater than 60% by weight and a 5 wt % loss temperature of 190-320° C.; a hindered amine of 4-hydroxy-2,2,6,6-tetramethylpiperidine carboxylate series, and a blowing agent....

20060229374 - Microporous polydicyclopendiene-based aerogels: Microporous polyolefin and microporous polydicyclopentadiene (polyDCPD) based aerogels and methods for preparing and using the same are provided. The aerogels are produced by forming a polymer gel structure within a solvent from a olefin or dicyclopentadiene monomer via Ring Opening Metathesis Polymerization (ROMP) reactions, followed by supercritical drying to remove...

20060229373 - Nanoporous and microporous manufacts based on syndiotactic polystyrene and processes for their preparation: The present invention relates to microporous materials (i.e., materials presenting high porosity, often referred to as aerogels) based on syndiotactic polystyrene and characterized by the presence of cavities with nanometric dimensions characteristic of the δ crystalline form and to processes for their preparation. These materials are capable of absorbing with...

20060229375 - Polyurethane foams made with alkoxylated vegetable oil hydroxylate: The present invention provides polyurethane foams and elastomers made with an alkoxylated vegetable oil hydroxylate replacing at least a portion of the typically used petroleum-based polyol(s). Also provided are processes for making the inventive foams and elastomers and for making alkoxylated vegetable oil hydroxylates. The alkoxylated vegetable oil hydroxylates are...

20060223894 - Ionomeric membrane: side chains of formula: —O—CF2—CF2—SO331 M+, wherein M is hydrogen or an alkaline metal; said membrane having the following combination of properties: size variations, for both the orthogonal directions xy of the plane, lower than 15%, measured after dipping of the ionomeric membrane, dried at 105° C. under vacuum for...

20060223895 - Process for producing hybrid ion-exchange membranes comprising functional inorganics and graft polymer and electrolyte membranes for use in fuel cells comprising the hybrid ion-exchange membranes: Polymer ion-exchange membranes having outstanding electrical conductivity, water retention and oxidation resistance are produced by the steps of uniformly mixing an organic high-molecular weight resin with functional inorganics having the abilities to promote graft polymerization of polymerizable monomers, adsorb water and conduct protons, irradiating the resulting functional inorganics/polymer membrane to...

20060223896 - Method for the recovery of a vinyl alcohol polymer in solution: Process for recovering a vinyl alcohol polymer in solution in a solvent, according to which: (a) the polymer solution is converted into a gel (b) water is added to the gel obtained (c) the gel is broken mechanically to form polymer particles suspended in a liquid comprising the solvent and...

20060223897 - Expanded polypropylene resin beads, method of producing foam molding of expanded polypropylene resin beads and foam molding obtained by the method: Expanded beads including cell walls which define a plurality of cells and which comprise a base resin containing a polypropylene resin, each of the beads having a through hole extending therein from one end to the other end. The expanded beads have a maximum diameter D0 (mm), an average cell...

20060223899 - Removal of porogens and porogen residues using supercritical co2: A method of and apparatus for treating a substrate to remove porogens and/or porogen residues form a dielectric layer using a processing chamber operating at a supercritical state is disclosed. In addition, other supercritical processes can be performed before and/or after the removal process....

20060223898 - Thermosetting aromatic dielectric material: A polymer comprises at least two types of monomer units selected from: (1) diethynyl benzene units, (2) triethynyl benzene units, and (3) ester units. After curing, the polymer may form a condensed polyaromatic dielectric having a dielectric constant of at most 2.0 at 1 MHz, an elastic modulus of at...

20060223900 - Member formed from foamed material, feed/transport roller, and sheet-separation roller: The present invention provides a foamed member, a feed/transport roller, and a sheet-separation roll, which prevent generation of anomalous sounds during feeding, transporting, or separating paper sheets. The foamed member is formed from polyurethane foam, the polyurethane foam being produced by reacting a polyisocyanate compound with a first polyol which...