Polymer composition comprising ClPe, S/An, PVC, and rubber
Patent 4424309 Issued on January 3, 1984. Estimated Expiration Date: 
August 7, 2001. 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.
August 7, 2001. 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 References 3658950 3819763 Polymer composition Polymer composition Patent #: 4341885 InventorAssigneeApplicationNo. 06/291077 filed on 08/07/1981US Classes:525/211, Fused- or bridged-ring reactant contains at least two ethylenic groups525/192, Treating polymer or polymer mixture with a chemical treating agent other than solid polymer525/213, Solid polymer derived from chlorine-containing reactant other than vinyl(idene) chloride525/230, Polymer derived from nitrogen-containing reactant525/233, Polymer derived from nitrogen-containing reactant525/238Solid polymer derived from (meth)acrylonitrileExaminersPrimary: Seccuro, Carman J.International ClassesC08L 25/12 (20060101)C08L 27/06 (20060101) C08L 27/00 (20060101) C08L 25/00 (20060101) C08L 21/00 (20060101) C08L 23/00 (20060101) C08L 23/16 (20060101) C08L 23/28 (20060101) Foreign Application Priority Data1980-08-08 NLAbstractThe invention relates to a polymer composition based on a copolymer of an unsaturated nitrile, a substantially saturated rubber, a chlorinated polyethylene, and a vinylchloride polymer.To improve the impact resistance and the flexural modulus, the polymer composition according to the invention comprises:a. 50-95 parts by weight of:a.1. 5-70 parts by weight of one or more polymers obtained by polymerizing a mixture of:10-90% wt. styrene and/or styrene derivatives,90-10% wt. acrylonitrile and/or methacrylonitrile, and0-20% wt. of one or more other monomers; anda.2. 95-30% vinylchloride polymer; andb. 5-50 parts by weight of:b.1. a substantially saturated rubber, andb.2. chlorinated polyethylene;with the vinylchloride polymer content in the overall polymer composition being at least about 25% by weight.Other References
Field of SearchFused- or bridged-ring reactant contains at least two ethylenic groupsSolid polymer derived from chlorine-containing reactant other than vinyl(idene) chloride Treating polymer or polymer mixture with a chemical treating agent other than solid polymer Polymer derived from nitrogen-containing reactant Polymer derived from nitrogen-containing reactant Solid polymer derived from (meth)acrylonitrile | |
