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| Number | Title | Issue Date |
| 7105606 | Polymer blends comprising low molecular weight nitrile rubber The present invention relates to a polymer blend containing at least one nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) below 10 and at least one nitrile rubber polymer having a Mooney viscosity (ML 1+4 @ 100° C.) above 30 wherein said polymer... | 09/12/2006 |
| 7060751 | Graft polymers based on ethylene/α-olefin rubbers and process for their production A thermoplastic molding composition comprising a graft polymer is disclosed. The graft polymer contains: a) a continuous phase containing the polymerized product of at least one vinylaromatic monomer and at least one ethylenically ... | 06/13/2006 |
| 7037978 | Quasi-interpenetrating networks used as separation media The invention relates to a quasi-interpenetrating network of polymer chains, the chains comprising linear polyacrylamide (LPA) chains in the form of a main frame having a weight average molecular weight of approximately 0.05 million to approximately 25 million g/mol... | 05/02/2006 |
| 6949607 | Thermoplastic resin composition and its molded articles Thermoplastic resin compositions containing a rubber-reinforced thermoplastic resin (A) obtained by graft polymerizing a monomeric mixture (b) in the presence of a rubber-like polymer (a), and a copolymer (B) obtained by polymerizing an aromatic vinyl compound, a vi... | 09/27/2005 |
| 6806315 | Method for preparing of weatherability thermoplastic resin A method for preparing a weatherable thermoplastic resin, having superior weatherability and colorability and a weatherable thermoplastic resin prepared by the method are provided. The method includes preparing a seed by adding a water-soluble initiator to either an... | 10/19/2004 |
| 6632888 | Isocyanatosilane-and gel-containing rubber mixtures The invention relates to rubber mixtures which contain microgels and isocyanatosilanes and vulcanisates produced therefrom. By adding isocyanatosilanes the mechanical properties of the vulcanisates, in particular the elongation properties and the abrasion... | 10/14/2003 |
| 6498223 | Unsaturated nitrile-conjugated diene-typed rubber, rubber composition and process for the productions of the same An objective of the present invention is to provide an unsaturated nitrile-conjugated diene-typed rubber capable of giving a vulcanized rubber which exhibits is well-balanced in terms of the mechanical strength, the oil resistance and the like, as well as... | 12/24/2002 |
| 6403723 | Composition of ABS and/or ASA copolymers and SAN copolymers with high chemical resistance The composition comprises a mixture of at least one ABS and/or ASA copolymer and an SAN copolymer having an acrylonitrile concentration of at least 43% by weight, and the quantity of SAN copolymer in the mixture is such that the total acrylonitrile concen... | 06/11/2002 |
| 6281293 | Mixture composition of synthetic resin and rubber The present invention is directed to a polymer blend having improved properties comprising: (A) 90 to 10% by weight of a thermoplastic or thermosetting resin; and (B) 10 to 90% by weight of a shear-treated rubber obtained by subjecting a nitrile group-con... | 08/28/2001 |
| 6277481 | Adhesive composition and adhesive sheet An adhesive composition comprising a pressure sensitive adhesive component (A), a thermosetting adhesive component (B) and a compound (C) obtained by addition/condensation reaction of a polysiloxane oligomer with a silane coupling agent. This composition ... | 08/21/2001 |
| 6262178 | Rubber blend containing cyclized polyisoprene This invention is based upon the discovery that cyclized polyisoprene polymers can be incorporated into tire tread compounds to improve traction, treadwear, and resistance to tear. It is further based upon the discovery that cyclized polyisoprene polymers... | 07/17/2001 |
| 6251996 | Gel-type copolymer bead and ion-exchange resins made therefrom Gel-type copolymer beads are described which are useful as ion exchange resins such as those used in the treatment of power plant condensate water. The subject copolymer beads possess an interpenetrating polymer network of at least two polymer components ... | 06/26/2001 |
| 6242534 | Rubber composition, method of formulating and blending the same and article and tires made therefrom A rubber mixture containing at least one rubber component, at least one filler, and conventional additives that it contain at least one first gel as a filler, which is essentially comprised of a rubber, has a particle size of 3×10-9 to 1×10 | 06/05/2001 |
| 6218473 | Sulfur cured rubber composition containing chlorosulfonated polyethylene and carboxylated nitrile rubber The present invention relates to a sulfur cured rubber composition particularly suited for use in tire treads. The sulfur cured rubber composition is composed of, based on 100 parts by weight of rubber, from about 1.0 to 15 parts by weight of a chlorosulf... | 04/17/2001 |
| 6060553 | Non-agglomerating elastomeric particles Elastomeric particles, which have a tendency to agglomerate, are rendered non-agglomerating by contacting those particles with an aqueous solution or dispersion of a polyurethane rubber, a high Mooney viscosity, high gel content rubber and/or a soap, and ... | 05/09/2000 |
| 6043318 | Nitrile rubber/polyvinyl chloride blends Disclosed is a process for the making a polyvinylchloride/acrylonitrile-butadiene rubber blend by a) coating a polyvinylchloride resin with a stabilizer to form a precoated PVC; b) blending said precoated PVC with one or more acrylonitrile-butadiene ... | 03/28/2000 |
| 6037415 | Method of finishing plastic surfaces A composition for use in the finishing of a polymer surface comprises a dry, stable homogeneous mixture of pigment and a thermoplastic resin compatible with the polymer surface. The homogeneous mixture is soluble in a solvent to form a lacquer, for applic... | 03/14/2000 |
| 6013732 | Stainproofing agent The present invention provides a stainproofing agent having the durability capable of maintaining sufficient water- and oil-repellency as well as stainproofing properties before and after cleaning. Disclosed is a stainproofing agent containing (A) a fluro... | 01/11/2000 |
| 5874521 | Polymer ahoy material and process for production thereof A reactive, powdered polymeric material, the polymeric material comprising polymer particles (i) having an average particle size less than about 1000 μm; (ii) which are made up of a plurality of smaller particles; and (iii) having energy stored therein. ... | 02/23/1999 |
| 5472995 | Asbestos-free gaskets and the like containing blends of organic fibrous and particulate components Improved asbestos-free fiber reinforced material for use in the manufacture of gaskets, and the like, comprises (a) an elastomeric binder material and (b) a blend of fibrillated, organic, synthetic polymer, organic synthetic polymer staple and organic syn... | 12/05/1995 |
| 5446098 | Covulcanizable rubber composition of partially hydrogenated nitrile rubber and chlorinated ethylene-propylene copolymer A covulcanizable rubber composition including a partially hydrogenated unsaturated nitrile-conjugated diene copolymer having an iodine value not larger than 120, a chlorinated ethylene-propylene copolymer and a vulcanizer. The composition exhibits an impr... | 08/29/1995 |
| 5434218 | ABS molding materials having a bimodal rubber particle size distribution Rubber-modified, impact-resistant molding materials contain, based on the sum of A, B1 and B2, A: from 70 to 98% by weight of a polymer matrix A formed by free radical polymerization of a mixture of from 60 to 90% by weight of styrene and from 10 to 40% b... | 07/18/1995 |
| 5387631 | Tread rubber compositions and method of making same Rubber compositions for use in pneumatic tire treads. Specified amounts of NR and/or IR and SBR are combined with a selected class of rubber components of the formula ##STR1## SBR contains in its molecular chains one or more atomic groups of the ... | 02/07/1995 |
| 5367048 | Polymer alloy material and process for production thereof A polymer alloy material is produced by a process including the step of heating a powdered precursor material comprising polymer particles having an average particle size less than about 1000 μm to a temperature less than the melting point of the polymer... | 11/22/1994 |
| 5266640 | Weather and heat resistant blended nitrile polymers An ozone and heat resistant polymer blend prepared from a first solid, high acrylonitrile nitrile/conjugated diene copolymer and a second, solid, fully hydrogenated nitrile/conjugated diene copolymer, blended in a ratio of about 70:30 to about 50:50.... | 11/30/1993 |
| 5225479 | Polymers derived from a conjugated diolefin, a vinyl-substituted aromatic compound, and olefinically unsaturated nitrile The present invention relates to a polymer resulting from the copolymerization of at least three monomers. From about 40 to 84 weight percent of the polymer is derived from a conjugated diolefin, from about 15 to 50 weight percent of the polymer is derive... | 07/06/1993 |
| 5112910 | Mixtures of thermoplastic polymers in powder form Process for the preparation of mixtures of thermoplastic polymers in powder form from aqueous emulsions of a) particulate, partly crosslinked rubber-like copolymers of a C2 -C8 -alkyl acrylate and/or butadiene with (based on the copolymer... | 05/12/1992 |
| 5106919 | Compatible mixtures of N-aryl polyglutarimides with styrene copolymers Compatible mixtures of styrene copolymers of type SAN (AES, ABS, SAN) with polyglutarimides, characterized in that the polyglutarimides are prepared by imidization of poly(meth)acrylates and/or poly(meth)acrylic acid with amides of formula X--Z--NHR where... | 04/21/1992 |
| 5098777 | Compressed non-asbestos sheet containing novaloid and aramid fibers A compressed non-asbestos sheet is formed with a body between starter and finish layers. The body has novaloid and aramid fibers in an amount more than 5% and less than 25% by weight of the total sheet. The body also includes elastomeric binders, fillers ... | 03/24/1992 |
| 4972022 | Rubber compositions A rubber composition having excellent cut resistance and chipping resistance comprises 1-30 parts by weight of a particular resin obtained by reacting a particular hydroxyl group-containing cyclopentadiene resin with a compound selected from polyisocyanat... | 11/20/1990 |
| 4954571 | Rubber dispersed copolymer resin The invention provides a rubber dispersed copolymer resin having excellent heat resistance, impact strength and moldability and composed of (1) a dispersed phase formed of a rubbery polymer and copolymerized styrene-type, acrylonitrile-type and maleimide-... | 09/04/1990 |
| 4897440 | Abrasion resistant hulling rolls from carboxylated nitrile rubber An improved, abrasion-resistant rice hulling roll comprises a core with coating of a nitrile rubber compound, particularly a carboxylated nitrile rubber compound. The hulling rolls of this invention are characterized by substantially improved wear life as... | 01/30/1990 |
| 4885342 | Thermoplastic polymer mixture with a high surface gloss Thermoplastic polymer mixture with a high surface gloss on the basis of: a 50-95 wt. % of a.1 20-90 wt. % of a copolymer of styrene and/or -methyl-styrene with acrylonitrile with an acrylonitrile content of 18-27 wt. %, the copolymer having a fluidity o... | 12/05/1989 |
| 4837281 | Method of making reinforced materials having improved reinforcing material therein The invention is specifically concerned with an improvement in the process of manufacturing reinforced materials. The reinforced materials are conceived to include a wide variety of materials, the most notable being high density compressed gaskets. The im... | 06/06/1989 |
| 4824907 | Preparation of thermoformed plastics articles Moulded articles of uniform wall thickness are prepared by vacuum-forming or thermoforming a composition comprising a uniform blend of, as base resin, a moulding grade resin having a continuous phase of a first copolymer of a styrenic monomer and an ethyl... | 04/25/1989 |
| 4791172 | Process for the preparation of partially hydrogenated nitrile rubbers The invention relates to a process for the preparation of partially hydrogenated nitrile rubbers with defined residual double bond contents of between 2.0 and 5.0%, preferably 3.0 and 4.5%.... | 12/13/1988 |
| 4789697 | Material based on a caoutchouc-type mixture for producing hard rubber, method of using such material for producing engine components, and engine components manufactured from such material Into a material based on a caoutchouc-type or caoutchouc-containing mixture for producing hard rubber, there is incorporated a pre-mix containing high-strength organic fibers and a liquid hardenable plastic material. The high-strength and temperature resi... | 12/06/1988 |
| 4713420 | ABS compositions having trimodal rubber particle distributions Rubber modified styrene-acrylonitrile polymers (ABS) having three different types of rubber particles. One type is small, usually emulsion-produced particle. The second is a large emulsion-produced particle. The third is a large, mass-produced particle. S... | 12/15/1987 |
| 4647627 | Low molecular weight copolymers and covulcanisates produced therefrom Statistical copolymers of from 85 to 52% by weight of a conjugated diene, from 15 to 48% by weight of at least one unsaturated nitrile and from 0 to 10% by weight of further monomers, copolymerizable with diene and nitrile, which have a molecular weight M... | 03/03/1987 |
| 4576992 | Polymer mixtures Co-vulcanizates having good mechanical properties are obtained from mixtures of: (a) from 35 to 5%, by weight, of hydrocarbon elastomers; (b) from 65 to 95%, by weight, of nitrile group-containing elastomers having from 25 to 140 nitrile nitrogen atoms an... | 03/18/1986 |
