Process for the production of foam plastics with a fine...

Details Process for the production of foam plastics with a fine... Process for the production of foam plastics with a fine...

C - Chemistry, Metallurgy

08

J

18/637, 403/64

C08J 9/04 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1054298

Abstract of the Disclosure An improved process for the production of a foam pla- stics with fine cells from a polymer based on an ?,.beta.-monoole- finicially unsaturated monomer by peroxidic cross-linking and foaming with a chemical blowing agent, said polymer, the im- provement comprises adding in addition to said peroxide and said blowing agent a highly disperse amphoteric oxide to said polymer subjecting the mixture thus obtained to a shaping process and cross-linking and foaming by heating it to a temperature of at least 190°C.

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