MODIFIED CROSSLINKED RUBBER PARTICLE, ITS PREPARATION PROCESS AND TIRE AND TIRE PART MANUFACTURED BY VULCANIZATION OF RUBBER BLEND CONTAINING THIS PARTICLE

摘要

PPROBLEM TO BE SOLVED: To provide a crosslinked rubber particle for various vulcanized rubbers or rubber molded items which particle can improve mechanical properties, especially the product of the tensile modulus at 300% elongation and the breaking elongation and is safe in toxicology. PSOLUTION: This crosslinked rubber particle has a particle diameter between 5 nm and 500 nm, a swelling index in toluene between 1 and 25 and a gel content between 80 mass% and 100 mass% and contains 0.5-10 mass%, to the total weight of the rubber particle, of a secondary amino-(meth)acrylate group. PCOPYRIGHT: (C)2004,JPO&NCIPI