Process for producing foamed elastomeric composition

Details Process for producing foamed elastomeric composition Process for producing foamed elastomeric composition

C - Chemistry, Metallurgy

08

J

403/84

C08J 9/10 (2006.01)

Patent

CA 1288194

ABSTRACT OF THE INVENTION Foamed elastomeric compositons are produced by a process comprising the steps of (A) forming a blend comprised of (1) a foamable, curable elastomer; (2) a curative; and (3) a blowing agent composition consisting essentially of (i) azodicarbonamide and (ii) at least one member selected from the group consisting of zinc salt of C1-C6 organic acids and C1-C6 carboxamides; and (B) heating such blend to between about 130°C and about 170°C for a period of time sufficient to foam and cure such blend.

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