Patent ID: 8268929
Filing Date: 2012-09-18
Classification: C08L

Abstract:
1. A method for preparing a master batch of a phenol resin cross-linking agent, comprising mixing: (a) 100 parts by weight of at least one compound selected from the group consisting of phenol resins and brominated phenol resins, (b) 20 to 500 parts by weight of a crystalline olefin resin, provided that copolymers of ethylene with unsaturated carboxylic acid ester or vinyl acetate are precluded, wherein the crystalline olefin resin is at least one selected from the group consisting of ethylene homopolymers, propylene homopolymers, ethylene-α-olefin copolymers and propylene-α-olefin copolymers, and (c) 0 to 300 parts by weight of a non-aromatic softening agent for rubber.