Self-extinguishing thermoplastic molding compositions

Details Self-extinguishing thermoplastic molding compositions Self-extinguishing thermoplastic molding compositions

1978-06-05

1980-04-29

Lieberman, Paul

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 457R, 525 86, C08L 5100

Patent

active

042007020

ABSTRACT:
Thermoplastic molding compositions based on rubber-modified styrene-acrylonitrile copolymers containing a halogenated styrene oligomer as the effective flame-proofing agent which is sufficiently heat-stable, does not interfere with processing on conventional machinery, does not corrode or cause coatings on such machinery, and has virtually no adverse effect on the impact strength of the polymers. The flameproofing agent as a rule has a degree of polymerization of from 3 to 200 and can be incorporated into the polymer by conventional methods; the polymer may or may not contain additional synergistic agents and processing auxiliaries, which are incorporated in the conventional manner and in the conventional amounts.

REFERENCES:
patent: 3075944 (1963-01-01), Wick et al.
patent: 3830766 (1974-08-01), Praetzel et al.
patent: 3943195 (1976-03-01), Naarmann et al.
patent: 3962164 (1976-06-01), Praetzel et al.
patent: 4107231 (1978-08-01), Wurmb et al.
patent: 4137212 (1979-01-01), Theysohn

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