Method for the preparation of styrene polymer foam and foam prep

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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264 53, 264DIG5, 521 79, 521 88, 521 98, 521147, 521910, C08J 914

Patent

active

044382243

ABSTRACT:
Mechanically stable styrene polymer foams having highly desirable physical properties are prepared employing as a blowing agent a mixture of lower alcohols with chlorofluoromethanes.

REFERENCES:
patent: 3960792 (1976-06-01), Nakamura et al.
patent: 4085073 (1978-04-01), Suh et al.
patent: 4312910 (1982-01-01), Suh et al.
patent: 4386165 (1983-05-01), Suh et al.

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