Stabilized thermoplastic moulding compositions

Details Stabilized thermoplastic moulding compositions Stabilized thermoplastic moulding compositions

1981-09-16

1983-04-26

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 552

Patent

active

043813593

ABSTRACT:
Stabilized thermoplastic moulding compositions comprising (1) from 10 to 90 parts by weight of a polycarbonate, based on aromatic dihydroxy compounds; and (2) from 90 to 10 parts by weight of a mixture of (2.1) from 25 to 100 parts by weight of a graft copolymer of a monomer mixture of styrene, methyl methacrylate or acrylonitrile polymerized on a rubber; of (2.2) from 0 to 20 parts by weight of a butadiene polymer having a butadiene content of at least 5 parts by weight; and (2.3) from 0 to 75 parts by weight of a copolymer of styrene, .alpha.-methyl styrene, methyl methacrylate, acrylonitrile or methacrylonitrile; containing 0.01 to 3.0% by weight, based on the whole stabilized mixture, of at least one ester of phosphorous acid and an ortho- or para-substituted phenol or bisphenol, and a process for their production.

REFERENCES:
patent: 3305520 (1967-02-01), Fritz et al.
patent: 3509091 (1970-04-01), Cleveland et al.
patent: 3756906 (1973-09-01), Leyland et al.
patent: 3954905 (1976-05-01), Margotte et al.
patent: 3963804 (1976-06-01), Yonemitsu et al.
patent: 4066611 (1978-01-01), Axelrod
patent: 4252750 (1981-02-01), Buysch et al.

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