Blowing agent composition

Details Blowing agent composition Blowing agent composition

C - Chemistry, Metallurgy

06

B

6/107, 48/47

C06B 25/04 (2006.01) C08J 9/10 (2006.01)

Patent

CA 1274982

A blowing agent composition, comprising: (i) azodicarbonamide; (ii) zinc oxide and/or zinc carbonate; and (iii) at least one member selected from the group consisting of zinc salts of C1-C6 organic acids, and C1-C6 organic carboxamides characterized by a high gas evolution rate. The blowing agent composition may be used in effective amounts in formulations containing a foamable polymer to yield an efficiently gas expanded polymeric composition upon exposure to heat. Suitable C1-C6 organic acids for said zinc salts include straight chain carboxylic acids, and useful organic carboxamides include formamide.

532870

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