C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/6406, 400/90
C08K 5/09 (2006.01)
Patent
CA 1227895
ABSTRACT OF THE DISCLOSURE OLIGOMERIZED ACIDS AS SCORCH INHIBITORS FOR CARBOXYLATED RUBBERS Scorch (the premature cross-linking of an elastomer) is a problem that is often encountered in carboxylated rubbers in the presence of metal oxides which are used as cross-linking agents. Oligomerized fatty acids can be distributed throughout a carboxylated rubber to improve the scorch resistance of the resulting carboxy- lated rubber composition without significantly affecting the cure rate of that rubber composition. This invention discloses a process for improving the scorch resistance of a carboxylated rubber composition comprising distri- buting throughout a carboxylated rubber at least one oligomerized fatty acid to improve the scorch safety of said rubber composition without significantly affecting the cure rate of said rubber composition.
427251
Smart & Biggar
The Goodyear Tire & Rubber Company
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