Patent ID: 7132481
Filing Date: 2006-11-07
Classification: B60C,C08K,Y10T

Abstract:
1. A vulcanizable rubber composition comprising a blend of unvulcanized rubber, vulcanizing agent for said rubber, methylene donor and methylene acceptor wherein said methylene donor is a liquid melamine derivative and wherein said methylene donor is in a form of a pre-formed, particulate composite of said liquid methylene derivative and carbon black; wherein said methylene acceptor is selected from at least one of resorcinol, resorcinol monobenzoate, resorcinol rosinate, phloroglucinol mono-rosinate, phenolic cashew nut oil resin, and polyhydric phenoxy resin; wherein said pre-formed methylene donor composite is comprised of carbon black and melamine derivative with a weight ratio of said melamine derivative to carbon black in a range of about 0.05/1 to about 0.9/1; wherein said melamine derivative is comprised of at least one of hexamethoxymethylmelamine and hexaethoxymethylmelamine, and their mixtures.