Patent ID: 8962719
Filing Date: 2015-02-24
Classification: B60C,C08L

Abstract:
1. A vulcanizable rubber composition comprising at least one diene based elastomer and an in-situ resin, the in-situ resin comprising a methylene acceptor and a methylene donor, wherein one of the methylene acceptor and methylene donor is microencapsulated in a material having a transition temperature sufficient to allow release of the one of the methylene donor and methylene acceptor from microencapsulation during cure of the rubber composition; wherein the microcapsule comprises a material selected from the group consisting of paraffin waxes, phenol formaldehyde resins, carbon pitches, thermoplastic elastomers, syndiotactic polybutadiene, polyethylene, polyethylene oxide, polyvinyl acetate, ethylene-vinyl acetate copolymers, polyvinyl alcohols, polyacrylic acid and derivatives, polycarbonates, polymethylmethacrylate, polyorthoester, polyvinylpyrrolidone, and polypropylene.