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Patent US4927950A successfully refreshed from Google Patents.
US4927950A
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Fluorine-containing silane compounds
Assignee: Daikin Industries Ltd
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Filing: 1985-03-08
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Granted: 1990-05-22
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Expires: 2005-03-08
Abstract
Abstract A fluorine-containing silane compound of the formula: <IMAGE> (I) wherein Rf is a fluorine-containing C4-C18 aliphatic group, R1 is hydrogen or a C1-C4 alkyl group, A is a straight or branched C1-C12 alkylene group or a group of the formula: <IMAGE> +TR <IMAGE> in which R2 is hydrogen or a C1-C3 acyl group, R3 is a C1-C6 acyl group, A' is a C2-C8 alkylene group, A'' is a C1-C4 alkylene group, and Q is -CO- or -SO2-, B is a group of the formula: (CH2)3S(CH2)p, CH2COO, CH2CH2O, <IMAGE> COR4S(CH2)p, R4SR5COO(CH2)3or +TR <IMAGE> in which R4 and R5 are each a straight or branched C2 or C3 alkylene group, and p is 2 or 3, X is chlorine or a C1-C3 alkoxy group, X' is chlorine or a C1-C3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 0 to 40, which modifies surface characteristics of a solid substrate.
Inventors
- 👤 Iwao Hisamoto
- 👤 Masaru Hirai
- 👤 Sueyoshi Ishikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:31
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
180 words
A fluorine-containing silane compound of the formula: ##STR26## wherein R f is a fluorine-containing C 4 -C 18 aliphatic group, R 1 is hydrogen or a C 1 -C 4 alkyl group, A is a straight or branched C 1 -C 12 alkylene group or a group of the formula: ##STR27## in which R 2 is hydrogen or a C 1 -C 3 acyl group, R 3 is a C 1 -C 6 acyl group, A' is a C 2 -C 8 alkylene group, A" is a C 1 -C 4 alkylene group, and Q is --CO-- or --SO 2 --, B is a group of the formula: ##STR28## in which R 4 and R 5 are each a straight or branched C 2 or C 3 alkylene group, and p is 2 or 3, X is chlorine or a C 1 -C 3 alkoxy group, X' is chlorine or a C 1 -C 3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 5 to 40.
Claim 2
Dependent Claim
180 words
A fluorine-containing silane compound of the formula: ##STR26## wherein R f is a fluorine-containing C 4 -C 18 aliphatic group, R 1 is hydrogen or a C 1 -C 4 alkyl group, A is a straight or branched C 1 -C 12 alkylene group or a group of the formula: ##STR27## in which R 2 is hydrogen or a C 1 -C 3 acyl group, R 3 is a C 1 -C 6 acyl group, A' is a C 2 -C 8 alkylene group, A" is a C 1 -C 4 alkylene group, and Q is --CO-- or --SO 2 --, B is a group of the formula: ##STR28## in which R 4 and R 5 are each a straight or branched C 2 or C 3 alkylene group, and p is 2 or 3, X is chlorine or a C 1 -C 3 alkoxy group, X' is chlorine or a C 1 -C 3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 5 to 40.
Claim 3
Dependent Claim
27 words
The silane compound according to claim 1, wherein the fluorine-containing aliphatic group is one containing 4 to 18 carbon atoms and/or more fluorine atoms than carbon atoms.
Claim 4
Dependent Claim
337 words
A process for preparing a fluorine-containing silane compound of the formula: ##STR29## wherein R f is a fluorine-containing C 4 -C 18 aliphatic group, R 1 is hydrogen or a C 1 -C 4 alkyl group, A is a straight or branched C 1 -C 12 alkylene group or a group of the formula: ##STR30## in which R 2 is hydrogen or a C 1 -C 3 acyl group, R 3 is a C 1 -C 6 acyl group, A' is a C 2 -C 8 alkylene group, A" is a C 1 -C 4 alkylene group, and Q is --CO-- or --SO 2 --, B is a group of the formula: ##STR31## in which R 4 and R 5 are each a straight or branched C 2 or C 3 alkylene group, and p is 2 or 3, X is chlorine or a C 1 -C 3 alkoxy group, X' is chlorine or a C 1 -C 3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 5 to 40 by reacting a compound of the formula R.sub.f --A--O--(CH.sub.2 CH.sub.2 O).sub.n --Y (II) wherein R f , A and n are the same as defined above, Y is hydrogen or a group of the formula: ##STR32## with a silane compound of the formula: ##STR33## wherein X, X' and m are the same as defined above and Z is a group of the formula: ##STR34## wherein when Y is --CH 2 COOH, then Z is ##STR35## Y is --CH 2 COOC 2 H 5 , then Z is --(CH 2 ) 3 NH 2 , Y is --CH 2 CH═CH 2 , or --COC(CH 3 )═CH 2 , or --COCH═CH 2 , then Z is --(CH 3 )SH, or --CH═CH 2 , or --(CH 2 ) 3 OCOC(CH 3 )═CH 2 , Y is --CH 2 CH 2 OH, then Z is ##STR36## Y is --CH 2 CH 2 SH, then Z is ##STR37##
Claim 5
Dependent Claim
337 words
A process for preparing a fluorine-containing silane compound of the formula: ##STR29## wherein R f is a fluorine-containing C 4 -C 18 aliphatic group, R 1 is hydrogen or a C 1 -C 4 alkyl group, A is a straight or branched C 1 -C 12 alkylene group or a group of the formula: ##STR30## in which R 2 is hydrogen or a C 1 -C 3 acyl group, R 3 is a C 1 -C 6 acyl group, A' is a C 2 -C 8 alkylene group, A" is a C 1 -C 4 alkylene group, and Q is --CO-- or --SO 2 --, B is a group of the formula: ##STR31## in which R 4 and R 5 are each a straight or branched C 2 or C 3 alkylene group, and p is 2 or 3, X is chlorine or a C 1 -C 3 alkoxy group, X' is chlorine or a C 1 -C 3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 5 to 40 by reacting a compound of the formula R.sub.f --A--O--(CH.sub.2 CH.sub.2 O).sub.n --Y (II) wherein R f , A and n are the same as defined above, Y is hydrogen or a group of the formula: ##STR32## with a silane compound of the formula: ##STR33## wherein X, X' and m are the same as defined above and Z is a group of the formula: ##STR34## wherein when Y is --CH 2 COOH, then Z is ##STR35## Y is --CH 2 COOC 2 H 5 , then Z is --(CH 2 ) 3 NH 2 , Y is --CH 2 CH═CH 2 , or --COC(CH 3 )═CH 2 , or --COCH═CH 2 , then Z is --(CH 3 )SH, or --CH═CH 2 , or --(CH 2 ) 3 OCOC(CH 3 )═CH 2 , Y is --CH 2 CH 2 OH, then Z is ##STR36## Y is --CH 2 CH 2 SH, then Z is ##STR37##
Claim 6
Dependent Claim
16 words
A process according to claim 3, wherein the reaction temperature is from 50° to 150° C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-05-21 | 1993-11-20 | 1994-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-21 | 1997-11-20 | 1998-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-21 | 2001-11-20 | 2002-05-22 | $7700.00 | Window Closed / Lapsed |