Patent ID: 7550524

Claim:
A filled elastomer composition comprising: a) at least one rubber component; b) at least one particulate filler; and, c) at least one mercaptofunctional silane general Formula (1): [HSG 1 SiZ θ Z β ] m [HSG 2 SiZ β 3 ] n [HSG 3 SiZ β 2 X] o [[HSG 4 SiZ β X 2 ] p (1) wherein: each occurrence of G 1 , G 2 , G 3 , and G 4 is independently a hydrocarbylene group containing from 1 to 30 carbon atoms selected from the group consisting of divalent groups derived by substitution of a hydrogen on alkyl, alkenyl, aryl, or aralkyl or a substituted divalent heterocarbon containing 2 to 30 carbon atoms and one or more etheric oxygen (—O—) and/or sulfur (—S—) atoms; each occurrence of X is independently selected from the group consisting of —Cl, —Br, RO—, RC(═O)O—, R 2 C═NO—, R 2 NO—, —R, (HO) d-1 G 5 O—, wherein each R is independently selected from the group consisting of hydrogen, straight, cyclic or branched alkyl that can or can not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, wherein each R, other than hydrogen, contains from 1 to 18 carbon atoms, G 5 is independently a hydrocarbylene group of from 2 to 15 carbon atoms or a divalent heterocarbon group of from about 4 to about 15 carbon atoms containing one or more etheric oxygen atoms; each occurrence of Z β , which forms a bridging structure between two silicon atoms, is [—OG 5 (OH) d-2 O—] 0.5 , wherein each occurrence of G 5 is independently selected from the group consisting of a hydrocarbylene group from 2 to 15 carbon atoms and a divalent heterocarbon group of from 4 to 15 carbon atoms containing one or more etheric oxygen atoms; each occurrence of Z θ , which forms a cyclic structure with a silicon atom, is independently given by —OG 5 (OH) d-2 O—, wherein G 5 is independently selected from the group consisting of a hydrocarbylene group of from 2 to 15 carbon atoms or a divalent heterocarbon group of from 4 to 15 carbon atoms containing one or more etheric oxygen atoms; each occurrence of subscripts d, m, n, o and p independently is an integer wherein d is from 2 to 6; m is 0 to 20; n is 0 to 18; o is 0 to 20; and, p is 0 to 20, with the proviso that m+n+o+p is equal to or greater than 2.