C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/315.05, 260/
C07D 233/72 (2006.01) C07D 233/74 (2006.01) C07D 235/02 (2006.01) C08F 291/00 (2006.01)
Patent
CA 1100509
Abstract of the Disclosure Unsaturated hydantoin derivatives of the formula Image or Image where R1 and R2 are for example alkyl, R3 is vinyl, allyl, alkylene, substituted alkylene or polyvalent aralkyl, R4 is vinyl or allyl and n is 1 to 3, with the proviso that, when n is 1, R3 and R4 cannot both be vinyl, are coagents for curing polymeric compositions to improve their physical, chemical and electrical properties. These coagents are particularly useful in crosslinking PVC, polyethylene, chlorinated polyethylene and poly(ethylene/vinyl acetate) compositions.
283915
Dexter Martin
Knell Martin
Zussman Hyman W.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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