Char resistant foams

Details Char resistant foams Char resistant foams

1983-05-09

1985-08-27

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 70, 521 71, 521907, C08J 930, C08J 900

Patent

active

045379157

ABSTRACT:
The resistance to internal charring of molded styrene-butadiene latex foam rubber when exposed to a lit cigarette is improved by incorporating from about 10 to 30 parts by dry weight, per hundred parts by dry weight of latex of a compound selected from the group consisting of an organic phosphate of the formula ##STR1## wherein R is a C.sub.6-12 alkyl radical or a phenyl radical, which is unsubstituted or substituted by a C.sub.1-4 alkyl radical, butyl benzyl phthalate, and a mixture thereof.

REFERENCES:
patent: 3699041 (1972-10-01), Sanderford et al.
patent: 4228245 (1980-10-01), Morgan et al.
Condensed Chemical Dictionary, 5th Ed., Reinhold, N.Y., (1956), p. 48.

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