[P-10～P-17] G4: Filler and Additives

[P-11] Surface Property of Block Copolymer-Modified Silica Nanoparticle Prepared by Controlled Radical Polymerization with Particle (CRPwP) and Improved Physical Properties of the Modified Silica Reinforced Rubber Composites

^○Okamatsu Takahiro¹, Arita Toshihiko² (1.The Yokohama Rubber Co., Ltd, Japan, 2.Tohoku University, Japan)