N,n'-disubstituted sulfonyl hydrazines

C - Chemistry – Metallurgy – 07 – C

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260/468

C07C 143/825 (1980.01)

Patent

CA 1096878

ABSTRACT N,N'-disubstituted sulfonyl hydrazines with the following structural formula are disclosed: R(S02NR1NHR2)n R3(00CNS02RNHR2)2, R3(00CNHNRlS02R)2, R4(NHOCNS02RNHR2)2, and R4(NH0CNHNR1S02R)2 wherein the R1 is -C0NHR4 and R2 is -C00R3. These novel compounds are useful as high temperature blowing agents for gas-expandable polymers.

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