Patent ID: 7671227

Claim:
A composition comprising the reaction product of: a compound of formula (I) (R 2 O) 3 Si—R 1 —SiX 3 (I) where R 1 is a divalent spacer group selected from saturated or unsaturated —(C 1 -C 20 ) alkylene-, (C 1 -C 4 )alkyl substituted saturated or unsaturated —(C 1 -C 20 ) alkylene-, —Ar—, (C 1 -C 4 )alkyl substituted —Ar—, —(CH 2 ) k —Ar—(CH 2 ) k —, (C 1 -C 4 )alkyl substituted —(CH 2 ) k —Ar—(CH 2 ) k —, —Ar—Ar—, (C 1 -C 4 )alkyl substituted —Ar—Ar—, —(CH 2 ) k —Ar—Ar—(CH 2 ) k —, (C 1 -C 4 )alkyl substituted —(CH 2 ) k —Ar—Ar—(CH 2 ) k —, —(CH 2 ) k —Ar—(CH 2 ) k —Ar—(CH 2 ) k —, (C 1 -C 4 )alkyl substituted —(CH 2 ) k —Ar—(CH 2 ) k —Ar—(CH 2 ) k —, —Ar—O—Ar—, (C 1 -C 4 )alkyl substituted —Ar—O—Ar—, —(CH 2 ) k —Ar—O—Ar—(CH 2 ) k —, (C 1 -C 4 )alkyl substituted —(CH 2 ) k —Ar—O—Ar—(CH 2 ) k —, Het, (C 1 -C 4 )alkyl substituted —Het—, —(CH 2 ) k —Het—, (C 1 -C 4 )alkyl substituted —(CH 2 ) k —Het—, —(CH 2 ) k —Het—(CH 2 ) k —, (C 1 -C 4 )alkyl substituted —(CH 2 ) k —Het—(CH 2 ) k —, —Ar—(CH 2 ) k —, (C 1 -C 4 )alkyl substituted —Ar′—(CH 2 ) k —, Ar′—CH═, (C 1 -C 4 )alkyl substituted Ar′—CH═, an amine of the formula —NR 3 —, or a diamine of the formula —NR 3 —R 1 —NR 3 — where each R 3 is independently H, or saturated or unsaturated —(C 1 -C 4 ) alkyl; Ar is aryl, Het is heteroaryl, k is 1 to 20, R 2 is a monovalent group each independently a branched or unbranched, saturated or unsaturated —(C 1 -C 6 )alkyl, —Ar or (C 1 -C 4 )alkyl substituted —Ar; and X is halo; and a metal oxide particle.