Patent ID: 7652162

Claim:
A composition comprising: a sulfur-functional linear polyorganosiloxane comprising a chemically-protected sulfur group capable of reacting with an unsaturated elastomer, wherein the sulfur-functional linear polyorganosiloxane has a formula of (I), (II) or (III): wherein A is a ((R 27 OC(═O)) t -(L) j ) k -(Q) z J(=E)- group; R 1 -R 27 is independently at each occurrence a hydrogen atom, an aliphatic radical, a cycloaliphatic radical, or an aromatic radical; G is a divalent aliphatic radical, a divalent cycloaliphatic radical, or a divalent aromatic radical; R 28 is a hydroxyl group, an alkoxy group, or an aryloxy group; S is one or more sulfur atoms; L is independently at each occurrence a monovalent or a polyvalent group derived by substitution of an aliphatic radical, a cycloaliphatic radical, or an aromatic radical; Q is oxygen, sulfur or an NR 29 group, R 29 is an aliphatic radical, a cycloaliphatic radical, or an aromatic radical; J is carbon, sulfur, phosphorus, or a sulfonyl group; E is oxygen or sulfur; “m” is independently an integer greater than 0; “n” is independently equal to 0 or is an integer greater than 0; “p” is greater than 0; “t” is an integer that is equal to 0, 1, 2, 3, 4, or 5; “j” is equal to 0 or 1; “k” is equal to 1 if J is carbon, sulfur or sulfonyl, “k” is 2 if J is phosphorus; and “z” is an integer that is equal to 0, 1, or 2.