| 摘要 |
Disclosed herein is a blocked mercaptosilane selected from the group consisting of <paragraph lvl="0"><in-line-formula>[[(ROC(=O))p-(G)j]k-Y-S]r-G-(SiX3)s (1); and </in-line-formula><paragraph lvl="0"><in-line-formula>[(X3Si)q-G]a-[Y-[S-G-SiX3]b]c (2) </in-line-formula>wherein Y is a polyvalent species (Q)zA(=E) selected from the group consisting of -C(=NR)-; -SC(=NR)-; -SC(=O)-; -OC(=O)-; -S(=O)-; -S(=O)2-; -OS(=O)2-; (-NR)S(=O)2-; -SS(=O)-; -OS(=O)-; (-NR)S(=O)-; -SS(=O)2-; (-S)2P(=O)-; -(-S)P(=O)-; -P(=O)(-)2; (-S)2P(=S)-; -(-S)P(=S)-; -P(=S)(-)2; (-NR)2P(=O)-; (-NR)(-S)P(=O)-; (-O)(-NR)P(=O)-; (-O)(-S)P(=O)-; (-O)2P(=O)-; -(-O)P(=O)-; -(-NR)P(=O)-; (-NR)2P(=S)-; (-NR)(-S)P(=S)-; (-O)(-NR)P(=S)-; (-O)(-S)P(=S)-; (-O)2P(=S)-; -(-O)P(=S)-; and -(-NR)P(=S)-; wherein the atom A attached to unsaturated heteroatom E is attached to the sulfur which in turn is linked via a group G to the silicon atom; each R is chosen independently from hydrogen, straight, cyclic, or branched alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, with each R containing from 1 to 18 carbon atoms; each G is independently a monovalent or polyvalent group derived by substitution of alkyl, alkenyl, aryl, or aralkyl, wherein G can contain from 1 to 18 carbon atoms, with the proviso that G is not such that the blocked mercaptosilane would contain an alpha,beta-unsaturated carbonyl that can undergo polymerization reactions, and if G is univalent, G can be a hydrogen atom; X is independently selected from the group consisting of -Cl, -Br, RO-, RC(=O)O-, R2C=NO-, R2NO-, R2N-, -R, and -(OSiR2)t(OSiR3) wherein each R is as above and at least one X is not -R; p is 0 to 5</bo
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