Self-extinguishing propylene polymer

Details Self-extinguishing propylene polymer Self-extinguishing propylene polymer

1982-01-07

1984-02-07

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524120, 524411, 524486, C08K 501, C08K 534

Patent

active

044304676

ABSTRACT:
A flame retardant polymer composition comprising 2,3-dimethyl-2,3-diphenylbutane, a halogenated bisimide corresponding to the formula: ##STR1## wherein Q is methylene or oxygen, X is chlorine or bromine, R is hydrogen or an alkyl group containing 1-5 carbon atoms, R' is hydrogen or methyl and R" is an organic group containing 1-15 carbon atoms, and a polypropylene polymer selected from the group consisting of polypropylene and copolymers containing at least 50% by weight of co-polymerized propylene monomer.

REFERENCES:
patent: 3420786 (1969-01-01), Weber et al.
patent: 3786623 (1974-01-01), Dotson et al.
patent: 3850882 (1974-11-01), Underwood et al.
patent: 3917642 (1975-11-01), Wolford et al.
patent: 3923734 (1975-12-01), Dotson et al.
patent: 4286071 (1981-08-01), Rigler et al.
patent: 4320038 (1982-03-01), Keogh

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