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US4962156A
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Water- and oil-repellent composition
Assignee: Daikin Industries Ltd
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Filing: 1989-08-15
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Granted: 1990-10-09
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Expires: 2009-08-15
Abstract
Abstract Disclosed is A water- and oil-repellent composition comprising (A) at least one species selected from the group consisting of a homopolymer and a copolymer of perfluoroalkyl group-containing acrylate, a homopolymer and a copolymer of methacrylate, a copolymer of the same and a monomer copolymerizable therewith and a perfluoroalkyl group-containing urethane compound, and (B) a ladder polymer of organosilsesquioxane.
Inventors
- 👤 Masayoshi Shinjo
- 👤 Sumiko Okamoto
- 👤 Yasuko Katakura
- 👤 Seiji Takubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:02
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; C; C08; C08K; C08K5/00; C08K5/16; C08K5/205; C08L; C08L33/00; C08L33/04; C08L33/14; C08L33/16; C08L83/00; C08L83/04; D06M15/21; D06M15/263; D06M15/277; D06M15/564; D06M15/576; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/12; C08G77/14; C08G77/16; C08G77/20; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
204 words
A water- and oil-repellent composition comprising (A) at least one species selected from the group consisting of a homopolymer and a copolymer of perfluoroalkyl group containing acrylate, a homopolymer and a copolymer of perfluoroalkyl group containing methacrylate, a copolymer of said acrylate or methacrylate and other monomer copolymerizable therewith provided that said monomer cannot be said acrylate or methacrylate, and a perfluoroalkyl group-containing urethane compound represented by the formulas (3) to (6): ##STR25## wherein R f is perfluoroalkyl group having 4 to 20 carbon atoms, X is --CH 2 CH(A)C j H 2j --, C k H 2k - or --SO 2 N(R 7 )C t H 2t -- wherein A is hydrogen, lower alkyl, hydroxyl or lower alkylcarbonyloxy, j is an integer to 0 to 4, k and t are an integer of 1 to 4 and R 7 is hydrogen or lower alkyl, Y is a bivalent organic group, Z is a monovalent organic group and W is a bivalent organic group, R 5 in the formula (6) is an organic group, R 6 is lower alkyl, n' is an integer of 3 to 10, and m' is an integer in the range of n'≧m'≧1, and (B) a ladder polymer of silsesquioxane.
Claim 2
Dependent Claim
204 words
A water- and oil-repellent composition comprising (A) at least one species selected from the group consisting of a homopolymer and a copolymer of perfluoroalkyl group containing acrylate, a homopolymer and a copolymer of perfluoroalkyl group containing methacrylate, a copolymer of said acrylate or methacrylate and other monomer copolymerizable therewith provided that said monomer cannot be said acrylate or methacrylate, and a perfluoroalkyl group-containing urethane compound represented by the formulas (3) to (6): ##STR25## wherein R f is perfluoroalkyl group having 4 to 20 carbon atoms, X is --CH 2 CH(A)C j H 2j --, C k H 2k - or --SO 2 N(R 7 )C t H 2t -- wherein A is hydrogen, lower alkyl, hydroxyl or lower alkylcarbonyloxy, j is an integer to 0 to 4, k and t are an integer of 1 to 4 and R 7 is hydrogen or lower alkyl, Y is a bivalent organic group, Z is a monovalent organic group and W is a bivalent organic group, R 5 in the formula (6) is an organic group, R 6 is lower alkyl, n' is an integer of 3 to 10, and m' is an integer in the range of n'≧m'≧1, and (B) a ladder polymer of silsesquioxane.
Claim 3
Dependent Claim
179 words
A water- and oil-repellent composition according to claim 1 in which component (A) is at least one species selected from the group consisting of a homopolymer and a copolymer or perfluoroalkyl group containing acrylate represented by the formula (1) or (2): R.sub.f R.sup.2 OCOCH═CH.sub.2 ( 1) R.sub.f SO.sub.2 NR.sup.3 R.sup.4 OCOCH═CH.sub.2 ( 2) wherein R f is perfluoroalkyl group having 4 to 20 carbon atoms, R 2 is alkylene group having 1 to 10 carbon atoms or a group --CH 2 CH(OR 3 )CH 2 -, R 3 is hydrogen atom or alkyl group having 1 to 10 carbon atoms, R 4 is alkylene group having 1 to 10 carbon atoms, a homopolymer and a copolymer of perfluoroalkyl group, containing methacrylate represented by the formula (1)' or (2)': R.sub.f R.sup.2 OCOC(CH.sub.3)═CH.sub.2 ( 1)' R.sub.f SO.sub.2 NR.sup.3 R.sup.4 OCOC(CH.sub.3)═CH.sub.2 ( 2)' wherein R f , R 2 , R 3 and R 4 are as defined above, and a copolymer of said acrylate or methacrylate and other monomer copolymerizable therewith provided that said monomer cannot be said acrylate or methacrylate.
Claim 4
Dependent Claim
41 words
A water- and oil-repellent composition according to claim 1 in which component (B) is a ladder polymer or silsesquioxane composed of an silsesquioxane represented by the formula: ##STR26## wherein R 12 is the same or different and represents methyl or phenyl.
Claim 5
Dependent Claim
27 words
A water- and oil-repellent composition according to claim 1 in which the weight ratio of the component (A) to the component (B) is about 99.9:0.1 to 0.1:99.9.
Claim 6
Dependent Claim
27 words
A water- and oil-repellent composition according to claim 1 in which the weight ratio of the component (A) to the component (B) is about 99.9:0.1 to 30:70.
Claim 7
Dependent Claim
96 words
A water- and oil-repellent composition according to claim 1 in which the ladder polymer of organosilsesquioxane is represented by repeating units having the formula: ##STR27## wherein the R 13 substituents are the same or different and represent hydrogen, alkyl having 1 to 6 carbon atoms, cyclohexyl, alkenyl having 2 to 6 carbon atoms or phenyl, and the polymerization degree of the ladder, polymer being between about 2 to about 200 of said units provided that the R 13 substituents in a single unit are the same but those among other units may not be the same.
Claim 8
Dependent Claim
73 words
A water- and oil-repellent composition according to claim 6 in which the ladder polymer of silsesquioxane is a chain-like polymer wherein alkoxy having 1 to 6 carbon atoms, acetoxy, hydroxyl or chlorine atom is linked to the terminal Si, and wherein alkyl having 1 to 6 carbon atoms, acetyl or hydrogen is linked to the terminal O, or the terminal O is substituted with chlorine atom in corresponding relationship with the terminal Si.
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) | 1993-10-08 | 1994-04-09 | 1994-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-08 | 1998-04-09 | 1998-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-08 | 2002-04-09 | 2002-10-09 | $7700.00 | Window Closed / Lapsed |