C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/3415 (2006.01) B60C 1/00 (2006.01) C07D 207/452 (2006.01) C08J 3/24 (2006.01) C08K 5/378 (2006.01) C08K 5/39 (2006.01) C08K 5/41 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01)
Patent
CA 2095136
A rubber composition which is the vulcanization reaction product of a rubber, sulfur or a sulfur donor and particular anti- reversion coagents, is disclosed. The anti-reversion coagents only partially react under sulfur-vulcanization reaction conditions up to optimum cure, and, after optimum cure, form cross-links bonded to the sulfur cross-linked rubbers by carbon-carbon linkages. Also disclosed are a vulcanization process carried out in the presence of the anti-reversion coagents and the use of these anti- reversion coagents in the sulfur-vulcanization of rubbers. The anti-reversion coagents of the disclosure provide sulfur-vulcanized rubbers having significantly improved physical properties.
Datta Rabindra Nath
de Block Rudolf Frank
Hogt Andreas Herman
Talma Auke Gerardus
Akzo N.v.
Flexsys America L.p.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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