C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
48/47, 403/84
C08J 9/00 (2006.01) C08J 9/10 (2006.01)
Patent
CA 1133701
ABSTRACT OF THE DISCLOSURE A blowing agent combination comprising azodlcarbonamide, zinc oxide and a benzenethiol sulphonic acid derivative having the general formula (I) Image where in R is a hydrogen atom, a Cl-C4 alkyl radical and/or a chlorine atom, X is a number from 1 to 5, and R' is a Cl-C4 alkyl radical a C5-C6 cycloalkyl radical or a C7-C8 arylalkyl radical each of these radicals being optionally substituted by from 1 to 3 Cl-C4 alkyl radicals, from 1 to 5 chlorine atoms and/or a carboxylic acid C1-C4 alkyl ester radical, or a radical having one of the general formulae (lla), (11b), (llc) or (lld). Image in which y is a number from 0 to 3, R" is a C1-C6 alkylene radical or a xylylene radical which is optionally substituted by from 1 to 4 methyl radicals and/or from 1-4 chlorine atoms and R and are as defined above; may be used as blowing agents. Le A 19 654
351472
Hurnik Helmut
Jeblick Werner
Roos Ernst
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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