Thermoplastic molding material based on polycarbonate, ASA and vinylaromatics/an-containing copolymers
April 28, 2007. 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 3130177 3655824 3891719 Moulding composition of a polycarbonate, a graft copolymer and a copolymer and moulded articles therefrom Moulding compositions contain polycarbonate and graft copolymer of a resin forming monomer on a rubber Weathering-resistant, high-impact, easily colored thermoplastic compositions Low gloss carbonate polymer blends Thermoplastic polyester moulding compositions which have good impact strength Polymer composition based on a polycarbonate and a graft copolymer Thermoplastic molding compositions containing polycarbonate and an acrylate graft copolymer InventorsAssigneeApplicationNo. 043493 filed on 04/28/1987US Classes:525/67, With solid polymer derived from at least one hal-C(=O)-hal, O-C(=O)-O or hal-C(=O)-O- reactant wherein at least one of the reactants forming the solid polymer is saturated; or with SPFI wherein at least one of the necessary ingredients is a hal-C(=O)-hal, O-C(=O)-O, or hal-C(=O)-O containing reactant or reaction product thereof; or with a SICP containing a hal-C(=O)- or O-C(=O)-O- group524/504, Solid graft or solid graft-type copolymer with other solid polymer, SICP, or SPFI524/537Solid polymer or SICP derived from an -O-(C=O)O- or hal-(C=O)-O- containing reactantExaminersPrimary: Short, Patricia A.Attorney, Agent or FirmForeign Patent References
International ClassC08L 069/00Foreign Application Priority Data1986-05-09 DEAbstractA thermoplastic molding material containing, based on components A, B and C,A from 10 to 90% by weight of one or more polycarbonates,B from 10 to 50% by weight of one or more graft copolymers,C from 10 to 50% by weight of one or more thermoplastic copolymers containing a vinylaromatic monomer of 8 to 12 carbon atoms and acrylonitrile,wherein component B is composed ofB1 a first, coarsely divided graft copolymer which has an average particle size of from 200 to 700 nm (d50 value of cumulative molecular weight distribution) in a proportion of from 30 to 70% by weight, based on B, andB2 a second, finely divided graft copolymer which has an average particle size of from 50 to 180 nm (d50 value of cumulative molecular weight distribution) in a proportion of from 70 to 30% by weight, based on B,is used for producing moldings. | |
