Patent ID: 8129458

Claim:
A functional reinforcing filler comprising inorganic particles having a surface modified by an organic silanepolyol obtained by hydrolyzing an organic silane compound represented by Formula 1 below; A-R 1 —S n —B (1) wherein A is —Si(X 1 ) 2 X 2 , —SiX 1 (X 2 ) 2 or —SiX 2 3 ; wherein X 1 is a C 1 -C 18 alkyl or an aryl group and X 2 is a C 1 -C 6 alkoxy group, a C 5 -C 7 cycloalkoxy group or a phenoxy group, R 1 is a C 1 -C 18 alkylene or cyclic hydrocarbon, n is an integer from 1 to 8, and B is a hydrogen atom or —R 1 -A, and the organic silanepolyol further comprises cycloalkylsilanepolyol represented by Formula 2 below; R 2 R 3 Si(OH) 2 (2) wherein R 2 is a C 5 -C 12 cyclic saturated alkyl or aryl group, wherein the cyclic saturated alkyl group is substituted with a C 1 -C 12 alkyl group, and R 3 is —OH or —OSiR 2 (OH) 2 .