Claims
- 1. A blocked mercaptosilane selected from the group consisting of:
- 2. A blocked mercaptosilane according to claim 1 wherein R is selected from the group consisting of methyl, ethyl, propyl, isobutyl, phenyl, tolyl, phenethyl, norbomyl, norbornenyl, ethylnorbornyl, ethylnorbornenyl, ethylcyclohexyl, ethylcyclohexenyl, and cyclohexylcyclohexyl.
- 3. A blocked mercaptosilane according to claim 1 according to formula (I).
- 4. A blocked mercaptosilane according to claim 1 according for formula (II).
- 5. A blocked mercaptosilane according to claim 1 which has been partially hydrolyzed.
- 6. A blocked mercaptosilane according to claim 1 wherein Y is selected from the group consisting of: —OC(═O)—; —SC(═O)—; —S(═O)—; —OS(═O)—; —(—S)P(═O)—; and —P(═O)(—)2.
- 7. The blocked mercaptosilane of claim 1 wherein Y is selected from the group consisting of —C(═NR)— and —SC(═NR)—.
- 8. The blocked mercaptosilane of claim 1 wherein Y is selected from the group consisting of —S(═O)2—; —OS(═O)2—; (—NR)S(═O)2—; —SS(═O)—; (—NR)S(═O)—; and —SS(═O)2—.
- 9. The blocked mercaptosilane of claim 1 wherein Y is selected from the group consisting of (—S)2P(═O)—; (—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)—.
- 10. A blocked mercaptosilane according to claim 1 wherein the sum of the carbon atoms within the G groups within the molecule is from 3 to 18.
- 11. A blocked mercaptosilane according to claim 1 wherein X is selected from the group consisting of methoxy, ethoxy, isobutoxy, propoxy, isopropoxy, acetoxy, and oximato.
- 12. A blocked mercaptosilane according to claim 1 wherein p is 0 to 2; X is RO— or RC(═O)O—; R is selected from the group consisting of hydrogen, phenyl, isopropyl, cyclohexyl, isobutyl; and G is a substituted phenyl or substituted straight chain alkyl of C2 to C12.
- 13. A blocked mercaptosilane of the formula: X3SiGSC(═O)GC(═O)SGSiX3 wherein
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 divalent 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 α,β-unsaturated carbonyl including a carbon-carbon double bond next to the thiocarbonyl group; 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; and t is 0 to 5.
- 14. A blocked mercaptosilane selected from the group consisting of:
- 15. The blocked mercaptosilane of claim 14 wherein p is 2 to 5.
- 16. The blocked mercaptosilane of claim 14 wherein G, which is directly bonded to Y, is alkyl of from two to twelve carbon atoms.
- 17. The blocked mercaptosilane of claim 14 wherein G, which is directly bonded to Y, is alkyl of from six to eight carbon atoms.
- 18. The blocked mercaptosilane of claim 14 wherein R is hydrogen or an alkyl having from one to four carbon atoms.
- 19. The blocked mercaptosilane of claim 14 which has been partially hydrolyzed.
- 20. The blocked mercaptosilane of claim 14 wherein X is selected from the group consisting of methoxy, ethoxy, isobutoxy, propoxy, isopropoxy, acetoxy, and oximato.
- 21. The blocked mercaptosilane of claim 14 wherein X is RO— or RC(═O)O—.
- 22. The blocked mercaptosilane of claim 14 wherein R is hydrogen or an alkyl having from one to four carbon atoms and G, which is directly bonded to Y, is alkyl of from two to twelve carbon atoms.
- 23. The blocked mercaptosilane of claim 14 wherein R is hydrogen or an alkyl having from one to four carbon atoms and G, which is directly bonded to Y, is alkyl of from six to eight carbon atoms.
- 24. The blocked mercaptosilane of claim 14 which is 3-triethoxysilyl-1-propylthiooctanoate.
- 25. A composition consisting essentially of a carrier and a blocked mercaptosilane selected from the group consisting of:
- 26. The composition of claim 25 wherein the carrier is a filler.
- 27. The composition of claim 26 wherein the filler is selected from the group consisting of silica and carbon black.
- 28. The composition of claim 25 wherein Y is selected from the group consisting of —C(═NR)—; —SC(═NR)—; —C(═O)—; —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)—.
- 29. The composition of claim 25 wherein Y is —C(═O)—.
- 30. The composition of claim 26 which is the reaction product of the filler and the blocked mercaptosilane.
- 31. The composition of claim 30 wherein the filler and blocked mercaptosilane are reacted through the SiX3 group of the blocked mercaptosilane.
- 32. The composition of claim 25 wherein the carrier is a porous polymer.
CROSS REFERENCE TO RELATED APPLICATION
[0001] This is a division of co-pending Application No. 09/284,841, filed Apr. 21, 1999, which is a 371 of PCT/US98/17391, Aug. 21, 1998, which claims priority to U.S. Provisional Patent Application No. 60/056,566, filed Aug. 21, 1997.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60056566 |
Aug 1997 |
US |
Divisions (1)
|
Number |
Date |
Country |
Parent |
09284841 |
Apr 1999 |
US |
Child |
09986515 |
Nov 2001 |
US |