Flame and smoke retardant elastomers formed by grafting vinylide

Details Flame and smoke retardant elastomers formed by grafting vinylide Flame and smoke retardant elastomers formed by grafting vinylide

1981-05-04

1983-05-10

Hoke, V. P.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524433, 524436, 524437, 525317, C08K 322, C08F27902

Patent

active

043830714

ABSTRACT:
An elastomeric flame and smoke retardant graft copolymer consisting essentially of a backbone copolymer derived from a conjugated diene and butyl acrylate and a side chain polymer derived from vinylidene chloride is prepared by polymerization under emulsion conditions. The graft copolymer may contain from 10 to 70 percent by weight of units derived from the conjugated diene, from 5 to 40 percent by weight of units derived from butyl acrylate and from 15 to 75 percent by weight of units derived from vinylidene chloride. In addition to excellent flame and smoke retardant characteristics, the graft copolymer exhibits excellent low temperature flexibility. The graft copolymers can be utilized in applications such as cushioning, insulation and coating applications where such characteristics are of major importance.

REFERENCES:
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patent: 3281345 (1966-10-01), Kuhne et al.
patent: 3988393 (1976-10-01), Gallagher
patent: 4143011 (1979-03-01), Hisazumi et al.
patent: 4187202 (1980-02-01), Kondo et al.
patent: 4192828 (1980-03-01), Witschard

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