English Abstract

Development of High Performance Elastomers with Inorganic Fillers. 4. The Reinforcement Effect of Inorganic Fillers on Mechanical Properties of Vulcanizates. Part 2 Soji KODAMA Industrial Technology Center of Okayama Prefecture Project Coordinator Nippon Gomu Kyokaishi,(2005),78(9),351-357 General Review in Japanese Abstract This paper referred to the effects of photo graft modification of rubbers with-mercaptopropyltrimethoxysilane (-MPS) on themechanical properties of silica loaded vulcanizates, and the reinforcement effects of nano size particles of synthetic magnesium hydroxide and ground calcium carbonate prepared with wet pulverization. Graft modification -MPS improved its effects on the mechanical properties of vulcanizates more than integral blend. The reinforcement effects of nano-size particles of magnesium hydroxide were the same as silica, and were improved with a silane coupling agent. Tensile modulus of the rubber/calcium carbonate composites increased with preparing by co-coagulating rubber latex and calcium carbonate aqueous suspension. Keywords: Reinforcement, Inorganic filler, Photo graft modification, Silane coupling agent, Magnesium Hydroxide, Ground calcium carbonate

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