Flame resistant alkenyl aromatic compounds and polymers containi

Details Flame resistant alkenyl aromatic compounds and polymers containi Flame resistant alkenyl aromatic compounds and polymers containi

1985-12-02

1987-07-14

Schofer, Joseph L.

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

Synthetic resins

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

526278, C08F 800, C08F13002, C08L 7104

Patent

active

046803424

ABSTRACT:
Flame retardant alkenyl aromatic compounds which are vinylbenzyl diaryl phosphine oxides and a method for their preparation are described. They may be polymerized into higher molecular weight flame retardant materials which, in turn, may be admixed with polyphenylene ether resins to form thermoplastic flame resistant molding compositions. The present materials are more resistant to losses in the flame retardancy upon thermal processing, e.g., molding, because the active flame retardant agent, phosphorus, is chemically bound to the polymeric matrix.

REFERENCES:
patent: 3051740 (1962-08-01), Abromo et al.
patent: 3725365 (1973-04-01), McKinley et al.
patent: 3991134 (1976-11-01), Kraft et al.
patent: 4433088 (1984-02-01), Haaf et al.

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