Multi-component graft copolymer and thermoplastic resin composition thereof
Patent 4129608 Issued on December 12, 1978. Estimated Expiration Date: 
February 9, 1997. 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.
February 9, 1997. 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 3660525 Novel solid thermosetting resins and processes for preparing same Patent #: 3957903 InventorsAssigneeApplicationNo. 05/767022 filed on 02/09/1977US Classes:525/74, Mixture contains solid polymer derived from reactant containing oxygen heterocycle525/286, Three-membered ring containing two carbon and one chalcogen atom525/308, Ester is derived from an unsaturated carboxylic acid525/309, Ester derived from an unsaturated carboxylic acid is reacted in the presence of a solid polymer525/70, Mixing of solid graft or graft-type copolymer derived from ethylenic reactants only with other solid polymer derived from ethylenic reactants only; or treating said mixture with chemical treating agent; or processes of forming or reacting; or the resultant product of any of the above operations525/80, Mixture contains solid polymer derived from reactant containing carboxylic acid ester group525/85Polymer substrate derived from an unsaturated carboxylic acid esterExaminersPrimary: Pertilla, Theodore E.Attorney, Agent or FirmInternational ClassesC08L 33/08 (20060101)C08F 265/04 (20060101) C08F 265/00 (20060101) C08L 51/00 (20060101) C08L 33/00 (20060101) Foreign Application Priority Data1976-03-09 JPAbstractA muti-component graft copolymer comprises 50 to 80 wt. parts of an elastic component produced by an emulsion polymerization of 100 to 70 wt. % of a C2-12 alkyl acrylate and 0 to 30 wt. % of a comonomer having a single vinyl or vinylidene group and 50 to 20 wt. parts of a graft polymerized component produced by a graftpolymerization of 5 to 90 wt. % of a vinyl monomer having glycidyl group and 95 to 10 wt. % of a lower alkyl methacrylate, a lower alkyl acrylate, styrene, -methyl styrene, methacrylonitrile, or acrylonitrile on the elastic component.A polymethyl methacrylate or polyvinyl chloride is blended to the multi-component graft copolymer. | |
