Thermoplastic polymer mixture with a high surface gloss
Patent 4885342 Issued on December 5, 1989. Estimated Expiration Date: 
September 21, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 21, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPolymer composition Polymer composition Polymer composition comprising ClPe, S/An, PVC, and rubber Polymer composition comprising nitrile copolymer, CPE and rubber Patent #: 4468487 InventorAssigneeApplicationNo. 247393 filed on 09/21/1988US Classes:525/230, Polymer derived from nitrogen-containing reactant525/192, Treating polymer or polymer mixture with a chemical treating agent other than solid polymer525/211, Fused- or bridged-ring reactant contains at least two ethylenic groups525/222, Solid polymer derived from reactant containing a carboxylic acid ester group525/233, Polymer derived from nitrogen-containing reactant525/234, At least two polymers derived from nitrogen-containing reactants525/238Solid polymer derived from (meth)acrylonitrileExaminersPrimary: Seccuro, Carman J.Attorney, Agent or FirmForeign Patent References
International ClassesC08L 035/02C08L 023/28 C08L 023/16 C08L 023/22 Foreign Application Priority Data1987-10-13 NLAbstractThermoplastic polymer mixture with a high surface gloss on the basis of:a 50-95 wt. % ofa.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 of 3-20;a.2 5-60 wt. % of a copolymer of styrene and -methyl-styrene with acrylonitrile with an acrylonitrile content of 25-40 wt. %, the copolymer having a fluidity of at least 25;a.3. 0-30 wt. % of a polyacrylate compound;b 5-50 wt. % ofb.1 a substantially saturated rubber andb.2 chlorinated polyethylene.The thermoplastic polymer mixture not only has a high surface gloss, but also the flow of the mixture has been improved substantially. As a result, the mixture has excellent processing characteristics.Field of SearchSolid polymer derived from (meth)acrylonitrileFused- or bridged-ring reactant contains at least two ethylenic groups At least two polymers derived from nitrogen-containing reactants Polymer derived from nitrogen-containing reactant Solid polymer derived from reactant containing a carboxylic acid ester group | |
