Fire retardant thermoplastic molding compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524126, 524127, 524128, 525 91, 525187, 525207, 525209, 525232, 525340, 525385, C08K 552, C08K 553, C08L 8502

Patent

active

043798772

ABSTRACT:
A thermoplastic molding composition which comprises a homogeneous mixture of two thermoplastic copolymers is disclosed. In one of its more specific aspects, this invention pertains to a homogeneous mixture of a copolymer of a monovinyl aromatic monomer and an alpha, beta-unsaturated cyclic anhydride and a phosphorus-containing alternating copolymer.

REFERENCES:
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patent: 3468972 (1969-09-01), Hsieh
patent: 3719730 (1973-03-01), Hansley et al.
patent: 3803110 (1974-04-01), Richards et al.
patent: 3993635 (1976-11-01), Mango
patent: 4151218 (1979-04-01), Lee
patent: 4156663 (1979-05-01), Okamoto et al.

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