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| Number | Title | Issue Date |
| 8173714 | Expanded styrene polymers having a reduced thermal conductivity Expanded styrene polymers which have a density of less than 25 g/l and a thermal conductivity λ, determined at 10° C. in accordance with DIN 52612, of less than 32 mW/m*K, and also a process for producing them. ... | 05/08/2012 |
| 8026291 | Expanded and extruded polyolefin foams made with methyl formate-based blowing agents Expanded and extruded polyolefin foams are obtained using environmentally benign non-VOC methyl formate as a blowing agent. The blowing agent can be a blend further including at least one co-blowing agent, preferably an environmentally friendly species (e.g., non-VO... | 09/27/2011 |
| 7964652 | Expandable polyethylene resin particle and method for production thereof Disclosed is a method for production of an expandable polyethylene resin particle having a foaming agent impregnated therein, which comprises polymerizing a styrene monomer or a monomer mixture containing a styrene monomer onto a nuclear particle comprising an ethyl... | 06/21/2011 |
| 7863343 | Expandable polylactic acid resin particles, expanded polylactic acid resin beads and molded article obtained from expanded polylactic acid resin beads Expandable polylactic acid resin particles including (a) a base resin containing a polylactic acid resin having at least 50 mol % of lactic acid monomer component units, (b) a polyolefin wax in an amount of 0.0001 to 1 part by weight per 100 parts by weight of the b... | 01/04/2011 |
| 7803849 | Acrylic resin expanded beads, acrylic resin expandable beads, and method for manufacturing foamed molded article of acrylic resin expanded beads The present invention is to solve conventional problems, namely, that when an attempt is made to obtain a thick, in-mold foamed molded article with excellent fusibility between beads formed from an acrylic resin expanded beads, cooling takes an extremely long time a... | 09/28/2010 |
| 7745504 | Process for producing porous spherical polyamide particle Porous spherical particles of polyamide 11 or polyamide 12 can be produced by an industrially advantageous process which comprises the steps of mixing a polyamide solution of polyamide 11 or polyamide 12 dissolved in a phenol compound and a low molecular weight alip... | 06/29/2010 |
| 7741378 | Porous monodispersed particles and method for production thereof, and use thereof To provide porous monodispersed particles obtained by preparing, as seed particles, poly(methyl methacrylate) particles or acrylic resin particles comprising 70% by mass or more of methyl methacrylate as a copolymerization component, swelling the seed particles 20 t... | 06/22/2010 |
| 7358280 | Process for processing expandable polymer particles and foam article thereof Process for processing expandable polymer particles e.g. polystyrene (EPS) that eliminates the maturing step between the pre-expander and molding steps. The expandable particles are first over pressurized with gas, e.g. air, carbon dioxide, nitrogen, and mixtures th... | 04/15/2008 |
| 7332677 | Multiconductor cable assemblies and methods of making multiconductor cable assemblies A multiconductor cable assembly and a method of making a multiconductor cable assembly are disclosed. The multiconductor cable assembly comprises a conductor and a covering comprising a thermoplastic composition. The thermoplastic composition comprises a poly(arylen... | 02/19/2008 |
| 7326747 | Internal wetting agent for use in manufacture of polymeric films and fabrics for disposable absorbent articles An improved internal wetting agent is provided for blending with polymeric material, with the formation of apertured films and/or polymeric fibrous webs contemplated. Films and/or nonwoven fabrics of this nature are suited for use in disposable absorbent articles, p... | 02/05/2008 |
| 7320928 | Method of forming a stacked device filler Numerous embodiments of a stacked device filler and a method of formation are disclosed. In one embodiment, a method of forming a stacked device filler comprises forming a material layer between two or more substrates of a stacked device, and causing a reaction in a... | 01/22/2008 |
| 7294299 | Granulating die, granulation device and method of manufacturing expandable thermoplastic resin granules A granulating die B is provided with a resin discharge surface 5a to which a flow of water is contacted; and a plurality of nozzles 8 which communicate to a cylinder of an extruder are provided in this resin discharge surface 5a. U... | 11/13/2007 |
| 7279504 | Expandable vinylaromatic polymers and process for their preparation Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an exp... | 10/09/2007 |
| 7259189 | Expanded polypropylene resin beads and process for the production thereof A process for the production of expanded beads, including kneading a base resin containing a polypropylene resin and having a tensile modulus of at least 1,200 MPa together with a mixture of a coloring agent and a thermoplastic polymer having a tensile modulus lower... | 08/21/2007 |
| 7250484 | Method for producing enhanced solid state A method for enhancing solid state polymerization of polyethylene terephthalate is disclosed in which at least one monomeric unit of diacid and/or dimethyl ester comprising at least one pendant chemical side group is copolymerized with a diol and a diacid or a dimet... | 07/31/2007 |
| 7241816 | Expandable styrene resin particles, expandable beads, and foamed article A process of producing expandable styrene resin particles, wherein in suspension polymerization of styrene monomers, the concentration of oxygen in a reaction vessel is kept low at least in a late stage of the polymerization, and the resulting styrene resin particle... | 07/10/2007 |
| 7199168 | Process for making cellular composites using polymeric isocyanates as binders for hollow filler particles The present invention relates to a process for the production of a cellular composite, and to the resultant cellular composites. This process comprising (A) preparing a mixture of a polyisocyanate, water, and, optionally, one or more additives; (B) adding this mixtu... | 04/03/2007 |
| 7192989 | Method and expansion device for preparing expanded thermoplastic microspheres The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device comprising rotating feeding means enveloped by a hollow body, and one or more scrapers. The inv... | 03/20/2007 |
| 7182896 | Composite foamed polypropylene resin molding and method of producing same A composite foamed polypropylene resin molding including a plurality of sections which are fuse-bonded to each other, at least two of which differ from each other in color, apparent density, composition and/or mechanical strengths, each of which is formed from expan... | 02/27/2007 |
| 7182897 | Method of storing material into which gas saturates A method of storing a material into which a gas saturates, before the material is foamed in a metal mold. The material into which a gas saturates is stored at a predetermined ambient pressure and predetermined ambient temperature to maintain a gas saturated state, t... | 02/27/2007 |
| 7175728 | Heat-peelable adhesive sheet A heat-peelable adhesive sheet which comprises a substrate and, formed on at least one side thereof, a heat-expandable layer containing heat-expandable microspheres and an adhesive layer comprising an adhesive substance and in which the substrate has heat resistance... | 02/13/2007 |
| 7166248 | Reduced VOC emission alkenyl aromatic polymer foams and processes A method for producing an alkenyl aromatic polymer foam structure that comprises melting at least one alkenyl aromatic polymer resin. An effective amount of blowing agent mixture is dissolved in the at least one alkenyl aromatic polymer. The blowing agent mixture co... | 01/23/2007 |
| 7160929 | Nanocomposite and molecular-composite polymer foams and method for their production U.S. Pat. No. 6,232,354 issued May 15, 2001 describes an environmentally friendly and commercially practicable process for the production of microcellular polymer foams from amorphous, semi-crystalline and crystalline polymers which involves consolidating the polyme... | 01/09/2007 |
| 7148312 | Preparation method of high molecular weight polycarbonate resin The present invention relates to a method for the preparation of a high molecular weight polycarbonate resin, and more particularly to a method for preparing a high molecular weight polycarbonate resin using a solid state polymerization method after the preparation ... | 12/12/2006 |
| 7148263 | Hybrid inorganic/organic low k dielectric films with improved mechanical strength A method of producing a nanoporous silica dielectric film having improved mechanical strength. A composition is formed which comprises in admixture a porogen, a solvent, a catalyst and a combination of silicon containing pre-polymers. ... | 12/12/2006 |
| 7118362 | Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom The present invention relates to a pellet-type non-crosslinked polypropylene foam having a melting point of 125 to 140° C., and a process and device for producing said foam. Since the pellet-type foams of non-crosslinked polypropylene of the present invention has a... | 10/10/2006 |
| 7067610 | Method for producing polycarbonate An integrated method for producing aromatic polycarbonate, including the steps of: (1) making a liquid mixture of acetone and diphenylcarbonate; (2) transporting the liquid mixture of step (1) to a polycarbonate production plant; | 06/27/2006 |
| 7067030 | Heat-peelable adhesive sheet A heat-peelable adhesive sheet which comprises a substrate and, formed on at least one side thereof, a heat-expandable layer containing heat-expandable microspheres and an adhesive layer comprising an adhesive substance and in which the substrate has heat resistance... | 06/27/2006 |
| 7045556 | Polyolefin foams made with isopentane-based blowing agents A blowing agent blend for making polyolefin foams comprising isopentane and at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent having a boiling point less than 28° C., or a chemical co-blowing agent, or combinations thereof. T... | 05/16/2006 |
| 7036157 | Method of producing a hood, and a hood produced according to the method The disclosure relates to a method of producing a hood for a hearing protector by injection moulding of plastic material. The hood is injection moulded to a single contiguous piece employing at least two plastic materials possessing different properties in at least ... | 05/02/2006 |
| 7026365 | Polymer nanocomposite foams Nano-sized particles such as nano-clays can be mixed with polymers through either melt compounding or in-situ polymerization. By modifying the particle surface with various surfactants and controlling processing conditions, we are able to achieve either intercalated... | 04/11/2006 |
| 7022745 | Process for forming solid pressure sensitive adhesive polymer microspheres In forming pressure sensitive adhesive microspheres by copolymerizing a non-ionic monomer of an alkyl acrylate or alkyl methacrylate ester of a non-tertiary alcohol and an acid monomer copolymerizable with said non-ionic monomer, an electrolyte is present during the... | 04/04/2006 |
| 7018700 | Acoustic absorption polymer foam having improved thermal insulating performance Polymer foams having a good balance of high sound absorption, low thermal conductivity and generally low water absorption are disclosed which are obtainable by perforating (i.e., hole punching) a polymer foam having a moderately large cell size (1.5 mm to 4 mm) and ... | 03/28/2006 |
| 7001871 | Water-based drilling fluid additive containing talc and graphite A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing at least one carrier such as a polypropylene glycol to talc and subsequently admixing graphite to the talc and carrier mixture; and then admixing an uintaite... | 02/21/2006 |
| 6984347 | Thermo-expansive microcapsules and their application Thermo-expansive microcapsules comprising a shell of a polymer produced by polymerizing a mixture of monomers, which comprises (I) a nitrile monomer, (II) a monomer having an unsaturated double bond and carboxyl groups in a molecule, (III) a monomer having two or mo... | 01/10/2006 |
| 6967221 | Hollow filler-containing silicone rubber and method of production A silicone rubber is produced by curing a silicone rubber composition which includes (A) a curable organopolysiloxane composition and (B) at least one hollow organic resin filler whereby the filler forms cells in an open-cell state. The open-cell state gives the sil... | 11/22/2005 |
| 6956067 | Expanded polypropylene resin bead and process of producing same Expanded, substantially non-crosslinked polypropylene resin beads capable of producing a high rigidity foamed molding at a relatively low temperature. The beads are produced by a process including a step of dispersing substantially non-crosslinked polypropylene resi... | 10/18/2005 |
| 6949588 | Perforated foams Thermoplastic polymer foams having sound deadening properties satisfactory for demanding applications are provided which have mechanical strength, which are economical to manufacture, and which are hydrolytically stable. Methods of preparing these foams are also pro... | 09/27/2005 |
| 6936647 | Bead polymerizates containing halogen-free phosphourus compounds The present invention relates to novel crosslinked bead polymers having an average particle size of 1 to 1000 μm containing specific, halogen-free phosphorus compounds including triphenyl phosphate as the halogen-free phosphorus compound, and to a process for the p... | 08/30/2005 |
| 6926512 | Apparatus for extruding foamed polypropylene sheet having improved surface appearance A coat hanger extrusion die wherein the aperture of the die land widens along the extrusion axis of the die to the die exit opening, thereby forming an expansion zone. ... | 08/09/2005 |
