Flame retardant blends of polycarbonate, ABS and a polyalkylmeth

Details Flame retardant blends of polycarbonate, ABS and a polyalkylmeth Flame retardant blends of polycarbonate, ABS and a polyalkylmeth

1990-06-22

1994-03-08

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524141, 524143, 524145, 525 80, 525 84, 525148, C08J 510, C08K 552, C08L 6900

Patent

active

052927865

ABSTRACT:
Flame retardant polymer blend compositions exhibiting increased weld line strength comprise a polycarbonate polymer, an ABS resin, a phosphate flame retardant compound and a polyalkylmethacrylate. Preferred polyalkylmethacrylates comprise polymethylmethacrylate homopolymer and copolymers thereof with at least one C.sub.l -C.sub.4 alkyl acrylate.

REFERENCES:
patent: 3130177 (1964-04-01), Grabowski
patent: 3162695 (1964-12-01), Grabowski
patent: 4172103 (1979-10-01), Serini et al.
patent: 4205140 (1980-05-01), Liebig et al.
patent: 4743654 (1988-05-01), Kyu et al.
patent: 4751260 (1988-06-01), Kress et al.
patent: 4886855 (1989-12-01), Parsons
patent: 5030675 (1991-07-01), Wittmann et al.

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