Class / Patent application number | Description | Number of patent applications / Date published |
521094000 | Ingredient is a nitrogen containing compound | 37 |
20080242754 | LOW LOSS FOAM COMPOSITION AND CABLE HAVING LOW LOSS FOAM LAYER - The invention relates to a low loss foam composition and cable, such as a coaxial cable. The foam composition is formed by heating an olefinic polymer, such as a high density polyethylene, medium density polyethylene, low density polyethylene, linear low density polyethylene, polypropylene, or a combination thereof, into a molten state composition, optionally with a nucleating agent. The molten mixture is extruded under pressure through a die with a blowing agent comprising an atmospheric gas, such as carbon dioxide, nitrogen or air, and a co-blowing agent selected from hydrofluorocarbons, hydrochlorofluorocarbons, or perfluoro compounds, such as HFC-134a. The cable is formed by extruding the foam composition onto a signal carrying conductor and sheathing the foam-coated signal carrying conductor in an appropriate conducting shield. | 10-02-2008 |
20080269364 | Filling foam composition, foam filling member, and filling foam - A filling foam composition contains a polymer, 4,4′-oxybis(benzenesulfonylhydrazide), an amine compound (except urea compound) having a melting point of 40° C. or more, and an organic peroxide, and the amine compound is mixed in an amount of 5 parts by weight or more per 100 parts by weight of the 4,4′-oxybis(benzenesulfonylhydrazide). | 10-30-2008 |
20090023824 | THERMALLY EXPANSIBLE MATERIAL SUBSTANTIALLY FREE OF TACKIFIER - A thermally expansible material includes at least one activated thermoplastic polymer, an amine-functionalized curing agent, and a blowing agent. The at least one activated thermoplastic polymer includes an anhydride functionalized thermoplastic polymer. The expansible material is substantially free of a tackifier, and the material is adhereable to a substrate during expansion. A baffling material following expansion is also provided. | 01-22-2009 |
20090082477 | CELLULAR ELASTOMER COMPOSITIONS - The present invention provides a polymer composition having a low water absorption and a chlorine content of not greater than 0.5% based on the total weight of the polymer composition. A process for preparing a polymer composition is also provided. | 03-26-2009 |
20090099273 | NON-SILICONE SURFACTANTS FOR POLYURETHANE OR POLYISOCYANURATE FOAM CONTAINING HALOGENATED OLEFINS AS BLOWING AGENTS - The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to open-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a surfactant component which comprises a non-silicone surfactant and is substantially absent of a silicone surfactant, and a tertiary amine catalyst. | 04-16-2009 |
20100234480 | HYDROPHOBICALLY MODIFIED MELAMINE RESIN FOAM - It is an open-cell foam based on a melamine-formaldehyde condensation product and hydrophobicized with a compound comprising C | 09-16-2010 |
20110009512 | REDUCTION OF ALDEHYDES IN AMINES - A tertiary amine, such as a tertiary amine catalyst that is useful in the production of polyurethanes, may undergo decomposition, which may result in the production of undesirable products. These tertiary amines, however, may be treated with a primary amine containing material to reduce the presence of the undesirable products to an acceptable level. Thus, a foam made from a treated tertiary amine will also have a reduction in the presence of the same undesirable products. | 01-13-2011 |
20110172321 | HOTMELT VISCOSITY STABILIZER - The invention relates to innovative viscosity stabilizers for hotmelts, to melt-viscosity-stable hotmelts comprising these viscosity stabilizers, to a process for preparing them and to their use. | 07-14-2011 |
20130079428 | METHODS FOR MAKING A FOAMED ADHESIVE CONTAINING CLOSED CELLS - Methods for making foamed adhesive compositions suitable for use in adhesive dressings for topical application to the body, the method including providing a molten adhesive composition, combining an inert gas with the molten adhesive composition in a first mixer, mixing the molten adhesive composition comprising the inert gas in the first mixer under conditions effective to form a first foamed adhesive composition; and mixing the first foamed adhesive composition in a second mixer that includes a rotating mixing blade under conditions effective to provide a second foamed adhesive composition having a substantially homogenous distribution of closed cells containing the inert gas. | 03-28-2013 |
20130158143 | THERMOPLASTIC RESIN FOAM, METHOD OF PRODUCING THE SAME, AND LIGHT REFLECTING MATERIAL USING THE SAME - A thermoplastic resin foam, having a bubble with an average bubble diameter of 10 μm or less in the inside thereof, in which wherein the thermoplastic resin foam is prepared by using and foaming a thermoplastic resin composition containing 0.25 to 2.5 part(s) by mass of a melt-type crystallization nucleating agent (B), with respect to 100 parts by mass of an amorphous thermoplastic resin (A). | 06-20-2013 |
20130267620 | Process for the production of expanded plastic materials, in particular PVC-based polymeric foams and a formulation of a polymeric blend for effecting said process - A perfected process for the production of expanded plastic materials, comprising a hot moulding phase of a starting polymeric blend inside a mould, wherein the heating of said blend is effected by making the same a heat source, by triggering an exothermic reaction in its interior. With respect to the known art in the field, the process of the invention allows an improvement in the heating of the polymeric mass inside the mould, reducing the times necessary for effecting it and homogenizing the thermal values inside this mass. | 10-10-2013 |
20140155505 | PROCESS FOR PHYSICALLY FOAMING A MASTERBATCH - The invention is directed to a masterbatch comprising | 06-05-2014 |
20150025162 | POLYPROPYLENE RESIN FOAM PARTICLES, IN-MOLD FOAM MOLDED BODY COMPRISING POLYPROPYLENE RESIN FOAM PARTICLES, AND METHOD FOR PRODUCING SAME - An in-mold expanded molded product of the present invention includes expanded polypropylene resin particles comprising a polypropylene resin composition containing an aliphatic diethanolamine fatty acid ester and an aliphatic diethanolamine in a total content of not less than 0.1 part by weight but not greater than 5 parts by weight with respect to 100 parts by weight of polypropylene resin and the expanded polypropylene resin particles. | 01-22-2015 |
20150344613 | POLYTHIOUREA COMPOSITIONS AND METHODS OF USE - Disclosed herein are compositions and methods of making polythiourea and polythiourethane foams and coatings. In one embodiment, a method of preparing a polythiourea composition involves combining at least one polyamine compound, at least one polyisothiocyanate compound, and at least one catalyst to form a reaction mixture, and mixing the reaction mixture to form the polythiourea composition. In some embodiments, the polyamine compound may have an amine functionality of two or more, and is present in an amount of about 14 wt % to about 40 wt % of the reaction mixture. In some embodiments, the polyisothiocyanate compound may have a functionality of two or more, and is present in an amount of about 60 wt % to about 86 wt % of the reaction mixture. In some embodiments, the catalyst may be present in an amount of about 0 wt % to about 5 wt % of the reaction mixture. | 12-03-2015 |
20150361236 | BEAD POLYMER FOR PRODUCING PMI FOAMS - The invention relates to a foamable bead polymer consisting of (meth)acrylonitrile, (meth)acrylic acid, copolymerizable latent blowing agents and optionally (meth)acrylic esters, the preparation thereof by suspension polymerization and the use thereof for producing foams. Such a bead polymer makes it possible, for example, to carry out in-mould foaming in a simple way and thus produce products having the shape of the desired workpiece directly. These workpieces are highly suitable as components in space, air, water and land vehicles and for other construction elements. | 12-17-2015 |
20160009889 | WATER-ABSORBING POLYMER PARTICLES WITH HIGH FREE SWELL RATE AND HIGH PERMEABILITY | 01-14-2016 |
521095000 | Nitrogen compound contains a nitrogen atom bonded to a nitrogen or oxygen atom | 21 |
20080214688 | SILICONE RUBBER SPONGE COMPOSITION - A silicone rubber sponge composition comprising (A) an organopolysiloxane, (B) a non-cyano organic azo blowing agent which is thermally decomposable to cause thickening or curing of component (A), (C) an azodicarbonamide or dinitrosopentamethylenetetramine blowing agent, and (D) a curing agent is crosslinkable and expandable with atmospheric hot air. The composition makes it possible to freely control the blowing magnification and the cell size of the resulting sponge, enabling to form a fully expanded silicone rubber sponge with crosslinked surface. The sponge free of cyano compounds is least toxic. | 09-04-2008 |
20090043000 | COMPOSITION FOR PREPARING A DEGRADABLE POLYOL POLYESTER, PROCESS FOR OBTAINING A POLYOL POLYESTER, AN ELASTOMER, FOAMS, PAINTS AND ADHESIVES, AND A DEGRADABLE POLYOL POLYESTER FOAM - The present invention refers to a composition of mixtures based on poly(hydroxybutyrate) polymer and vegetable oils, with the object of preparing a degradable polyol polyester. In the process, the poly(hydroxybutyrate) plus the vegetable oil react under heating, producing the polyol polyester, which once purified can be utilized in applications similar to those of the traditional polyurethane: adhesives, foams, elastomers and paints. | 02-12-2009 |
20090239962 | SOLID EXPANDABLE COMPOSITIONS - Solid expandable compositions useful for the manufacture of cavity filler inserts and the like are obtained by combining at least one anhydride-functionalized thermoplastic, at least one amine-functionalized latent curing agent, and at least one latent blowing agent. Such compositions may be formulated so as to provide a highly expanded foam upon heating to activate the blowing agent wherein the foam is resistant to sagging and tolerant of over baking conditions. | 09-24-2009 |
20090239963 | Composition Containing Polyhydroxyalkanoate Copolymer and Polylactic Acid Used for Preparing Foaming Material - A composition used for preparing foaming material comprising a polyhydroxyalkanoate, a polylactic acid and a foaming agent, which posses certain tensile strength, elongation in break and expansion ratio as well as full bio-degradability, thus can be used in packaging industry. | 09-24-2009 |
20100004349 | METHOD FOR PRODUCTION OF THERMOPLASTIC FOAMS - The present invention concerns a method for production of foams of thermoplastic polymer such as polyethylene, polypropylene, polystyrene, polyvinyl chloride. More specifically its goal is a method for production of thermoplastic foams comprising a premixing step of at least a thermoplastic polymer in the form of a divided solid with at least an ester of azocarboxylic acid. | 01-07-2010 |
20100069517 | METHOD OF FORMING A POLYURETHANE FOAM - A method of forming polyurethane foam from a resin component and an isocyanate component includes the use of at least one control valve controlling a flow rate of at least one of the resin component and the isocyanate component. The method includes connecting lines having at least a 1 inch diameter to a housing of the control valve. The method also includes coupling a source of gas pressure to the line. At least one of the resin component and the isocyanate component is pressurized with the source of gas pressure to move the resin and/or isocyanate component through the line and into the flow control device at a flow rate of between 5 and 70 gallons per minute. | 03-18-2010 |
20100087558 | FILLING FOAM COMPOSITION, FOAM FILLING MEMBER, AND FILLING FOAM - A filling foam composition contains a polymer, azodicarbonamide having an average particle size of 10 μm or less, and a zinc compound. | 04-08-2010 |
20100099784 | THERMOPLASTIC ELASTOMER FOAMING MATERIAL - A thermoplastic elastomer foaming material is provided. The thermoplastic elastomer foaming material includes a hydrogenated styrenic/conjugated diene copolymer in a range from 5 to 35 weight percent; at least one of an acetate copolymer and an acrylate copolymer in a range from 3 to 30 weight percent; an amorphous polyolefin in a range from 20 to 60 weight percent; and a plasticizer in a range from 10 to 40 weight percent. | 04-22-2010 |
20100197819 | Styrenic polymer compositions and methods of making and using same - A method comprising contacting a first styrenic polymer composition comprising residual styrene monomer with a molecular sieve, and recovering a second styrenic polymer composition comprising a reduced amount of residual styrene monomer. A composition comprising a styrenic polymer having a residual styrene monomer amount of less than 100 ppm produced by contacting a styrenic polymer composition having a residual styrene monomer amount of equal to or greater than 100 ppm with a molecular sieve, and recovering the styrenic polymer having a residual styrene monomer amount of less than 100 ppm. A method comprising providing a styrenic polymer composition having a residual styrene monomer amount of equal to or greater than 100 ppm, contacting the styrenic polymer composition with a molecular sieve, adding a nucleating agent, a foaming agent, and a coloring agent to the styrenic polymer composition, and forming an expanded styrenic polymer composition having a residual styrene monomer amount of less than 100 ppm. | 08-05-2010 |
20110118370 | Foamable Thermoplastic Reactor Blends and Foam Article Therefrom - This invention relates to a foamable blend comprising an in-reactor polymer blend comprising: (a) a first propylene polymer component comprising 90 to 100 wt % propylene and from 0 to less than 10 wt % comonomer, said first propylene component having a Tm of 120° C. or more; and (b) a second propylene polymer component comprising from 30 to 90 wt % propylene and 70 to 10 wt % comonomer, said second propylene polymer having an Mw of 30,000 g/mol or more, and said second propylene-containing polymer having a crystallinity different by at least 5% from the first polymer, wherein the polymer blend, prior to combination with a foaming agent, has: (i) a Tm of at least 120° C.; (ii) a MFR of 10 dg/min or more; (iii) a tensile strength of at least 8 MPa; (iv) an elongation at break of at least 200%, and (v) a ratio of elongational viscosity at break to linear viscosity of 5 or more when the elongational viscosity is measured at a strain rate of 1 sec | 05-19-2011 |
20110263735 | LIGHTWEIGHT MICROCELLULAR POLYAMIDE SHAPED ARTICLES - Optionally reinforced, lightweight microcellular polyamide shaped articles, e.g., automotive body or interior parts, are produced by injection molding a polyamide matrix in the presence of a fluid in the supercritical state. | 10-27-2011 |
20120252915 | TIRE FOR A VEHICLE HAVING A TREAD COMPRISING A HEAT-EXPANDABLE RUBBER COMPOSITION - A tyre is formed of a tread that includes, in the unvulcanized state, a heat-expandable rubber composition. The rubber composition includes at least a diene elastomer, 70 to 120 phr of a reinforcing filler, between 5 and 25 phr of a blowing agent, and between 5 and 25 phr of a thermofusible compound. The melting point of the thermofusible compound is between 70° C. and 150° C. and the total amount of the blowing agent and the thermofusible compound is greater than 15 phr. The rubber composition provides improved grip for the tread on melting ice. | 10-04-2012 |
20130303643 | Methods and Pressure Vessels for Solid-State Microcellular Processing of Thermoplastic Rolls or Sheets - Disclosed herein are methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls and sheets. In one embodiment, the present invention is directed to a method for making a gas impregnated interleaved roll, which method comprises: providing a pressure vessel having an internal pressure chamber and a rotatable shaft horizontally positioned within the pressure chamber; placing an interleaved roll about the rotatable shaft and within the pressure chamber, wherein the interleaved roll is made from a thermoplastic material sheet interleaved together with a gas-channeling material sheet; pressurizing the pressure chamber to a selected pressure; rotating the rotatable shaft having the interleaved roll thereabouts (thereby rotating the interleaved roll) while under pressure for a selected period of time; and depressurizing the internal chamber to yield the gas impregnated interleaved roll. In other embodiments, the invention is directed to multi-chambered pressure vessels for gas impregnation of thermoplastic rolls, sheets, and films. | 11-14-2013 |
20140045959 | FLUORINATED ELASTOMER COMPOSITION AND FLUORINATED FOAMED RUBBER - To provide a fluorinated elastomer composition which can improve, in production of a fluorinated foamed rubber by foaming and crosslinking a fluorinated elastomer using an organic peroxide as a crosslinking agent, the foamed state and physical properties of the fluorinated foamed rubber. | 02-13-2014 |
20140142208 | FOAMING COMPOSITION FOR FILLING, FOAMING MEMBER FOR FILLING, AND FOAM FOR FILLING - A foaming composition for filling contains a polymer, an organic peroxide, and azodicarbonamide, and a viscosity thereof measured at a temperature of 120° C. and under a pressure of 500 MPa with a flow tester is in a range of 1050 to 4950 Pa·s. | 05-22-2014 |
20150025163 | Polymer Blend Composition Based on Carbon Dioxide and Environment-Friendly Decorating Materials Produced Therefrom - The present invention is directed to a polyalkylene carbonate resin composition for producing a decorating material and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom. More particularly, the invention is directed to polyalkylene carbonate resin composition for producing a decorating material in which including a polymer additive to impart heat resistance and shape stability to the decorating material, a crosslinker and a chain extender to improve the processability at the processing temperature, and a flame retardant agent to impart a flame retardant effect, and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom. The environment-friendly polyalkylene carbonate resin decorating material produced using the inventive composition has excellent thermal stability, processability, and dimensional stability. | 01-22-2015 |
20150094385 | RUBBER FOAM COMPOSITION AND RUBBER FOAM USING SAME - Provided are a rubber foam composition from which a rubber foam having low metal corrosive properties, low fogging properties and reduced odor and causing no poor foaming or tackiness of the rubber foam surface can be obtained, and a rubber foam using the same. The rubber foam composition comprises: a rubber component including a copolymer rubber of ethylene, an α-olefin having three or more carbon atoms and a non-conjugated diene, a vulcanizing agent, and a foaming agent, the composition being characterized in that the vulcanizing agent comprises α,α′-di(t-butylperoxy)diisopropylbenzene and a quinoid-based vulcanizing agent, and characterized by being substantially free of urea-based foaming auxiliary, and the rubber foam uses the same. | 04-02-2015 |
20150133572 | SEALING MATERIAL - A composition for a sealing material which comprise a rubber component comprising copolymer rubbers of ethylene, α-olefin having 3 or more carbon atoms and unconjugated diene, a vulcanizing agent and a blowing agent, wherein the copolymer rubber consists of copolymer rubber A and copolymer rubber B, the copolymer rubber A being derived from ethylene, α-olefin having 3 or more carbon atoms and 3 to 5% by mass of unconjugated diene, and the copolymer rubber B being derived from ethylene, α-olefin having 3 or more carbon atoms and 9 to 15% by mass unconjugated diene, and a mass ratio (copolymer rubber B/copolymer rubber A) of the copolymer rubber B to the copolymer A is in the range of 1/99 to 50/50, and a sealing material composed of a vulcanized foam of the composition. | 05-14-2015 |
20150291756 | PROCESS FOR THE PRODUCTION OF RIGID FOAMED OBJECTS MADE OF POLYMER MATERIALS - Organic Diazocompounds that can be employed in the manufacturing of PVC/Polyisocyanates based, foamed articles, and a process for the production of objects made of rigid, expanded polymer materials mainly based on PVC and Polyisocyanates include the use as cell nucleation agents, of alternative organic, free N | 10-15-2015 |
20160102186 | CROSSLINKED POLYOLEFIN FOAM SHEET WITH EXCEPTIONAL SOFTNESS, HAPTICS, MOLDABILITY, THERMAL STABILITY AND SHEAR STRENGTH - A method of making a foam composition includes blending a composition including (i) about 15 to about 75 parts by weight of an olefin block copolymer with a controlled block sequence having a melt flow index of about 0.1 to about 15 grams per 10 minutes at 190° C. and a melting temperature of at least about 115° C., (ii) about 25 to about 85 parts by weight of at least one polypropylene based polymer having a melt flow index from about 0.1 to about 25 grams per 10 minutes at 230° C., (iii) a crosslinking monomer and (iv) a chemical blowing agent to produce a blended composition; crosslinking the blended composition to obtain a crosslinked composition having a crosslinking degree of about 20 to about 75%; and foaming the crosslinked composition at an elevated temperature to obtain a foam composition having a density of about 20 to about 250 kg/m | 04-14-2016 |
20160137803 | ETHYLENE-BASED POLYMER COMPOSITIONS AND FOAMS - The invention provides a composition comprising the following:
| 05-19-2016 |