US4742140A
Expired / Lapsed
US
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Oil- and water-repellent copolymers
Assignee: EIDP Inc
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Filing: 1986-09-09
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Granted: 1988-05-03
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Expires: 2006-09-09
Abstract
Abstract Oil- and water-repellent solid fluoropolymers are disclosed, comprising by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF3CF2(CF2)kC2H4OC(O)CH=CH2, the monomer mixture consisting essentially of: (1) 0-10% monomer wherein k is 4 or less; (2) 45-75% monomer wherein k is 6; (3) 20-40% monomer wherein k is 8; (4) 1-20% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 10-35% polymer chain units derived from vinylidene chloride; and (c) 10-25% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbons.
Inventors
- 👤 Edward J. Greenwood
- 👤 Albert L. Lore
- 👤 Nandakumar S. Rao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:38
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/18; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277; C08F220/00; C08F220/02; C08F220/10; C08F220/22; C08F220/24
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
115 words
An oil- and water-repellent solid fluoropolymer comprising by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OC(O)CH═CH.sub.2, the monomer mixture consisting essentially of: (1) 0-10% monomer wherein k is 4 or less; (2) 45-75% monomer wherein k is 6; (3) 20-40% monomer wherein k is 8; (4) 1-20% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 10-35% polymer chain units derived from vinylidene chloride; (c) 10-25% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbon atoms; and (d) 0-5% polymer chain units derived from chlorohydroxypropylacrylate or chlorohydroxypropylmethacrylate.
Claim 2
Dependent Claim
115 words
An oil- and water-repellent solid fluoropolymer comprising by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OC(O)CH═CH.sub.2, the monomer mixture consisting essentially of: (1) 0-10% monomer wherein k is 4 or less; (2) 45-75% monomer wherein k is 6; (3) 20-40% monomer wherein k is 8; (4) 1-20% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 10-35% polymer chain units derived from vinylidene chloride; (c) 10-25% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbon atoms; and (d) 0-5% polymer chain units derived from chlorohydroxypropylacrylate or chlorohydroxypropylmethacrylate.
Claim 3
Dependent Claim
31 words
A fluoropolymer according to claim 1, additionally comprising by weight: (e) 0.1-2% polymer chain units derived from N-methylolacrylamide or N-mehylolmethacrylamide; and (f) 0.1-2% polymer chain units derived from hydroxyethylmethacrylate or hydroxyethylacrylate.
Claim 4
Dependent Claim
146 words
A fluoropolymer according to claim 2, consisting essentially of, by weight: (a) 45-70% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OC(O)CH═CH.sub.2, the monomer mixture consisting essentially of: (1) 0-10% monomer wherein k is 4 or less; (2) 45-75% monomer wherein K is 6; (3) 20-40% monomer wherein K is 8; (4) 1-20% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 15-30% polymer chain units derived from vinylidene chloride; (c) 10-20% polymer chaing units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbons; (d) 0-5% polymer chain units derived from chlorohydroxypropylacrylate or chlorohydroxypropylmethacrylate; (e) 0.1-2% polymer chain units derived from N-methylolacrylamide or N-methylolmethacrylamide; (f) 0.1-2% polymer chain units derived from hydroxyethylmethacrylate or hydroxyethylacrylate; and (g) 0-5% polymer chain units derived from Poly(oxyethylene)acrylate or methacrylate.
Claim 5
Dependent Claim
19 words
A fluorpolymer according to claim 3, wherein the alkyl acrylate or alkyl methacrylate is butylacrylate, stearylacrylate, stearylmethacrylate, or 2-ethylhexylacrylate.
Claim 6
Dependent Claim
12 words
A fluoropolymer according to claim 4, wherein the alkyl acrylate is 2-ethylhexylacrylate.
Claim 7
Dependent Claim
17 words
A fluoropolymer according to claim 4, wherein the alkyl acrylate or alkyl methacrylate is stearylacrylate or stearylmethacrylate.
Claim 8
Dependent Claim
147 words
A fluoropolymer according to claim 1, consisting essentially of, by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OH(O)CH═CH.sub.2, the monomer mixture consisting essentially of: (1) 0-8% monomer wherein k is 4 or less; (2) 45-65% monomer wherein k is 6; (3) 25-35% monomer wherein k is 8; (4) 5-15% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 10-35% polymer chain unts derived from vinylidene chloride; (c) 10-25% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbons; (d) 0-5% polymer chain units derived from chlorohydroxypropylacrylate or chlorohydroxypropylmethacrylate; (e) 0.1-2% polymer chain units derived from N-methylolacrylamide or N-methylolmethacrylamide; (f) 0.1-2% polymer chain units derived from hydroxyethylmethacrylate or hydroxyethylacrylate; and (g) 0.5% polymer chain units derived from poly(oxyethylene) acrylate or methacrylate.
Claim 9
Dependent Claim
150 words
A fluropolymer according to claim 7, consisting essentially of, by weight: (a) 40-75% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OH(O)CH═CH.sub.2, the monomer mixture consisting essentially of: (1) 0-6% monomer wherein k is 4 or less; (2) 45-60% monomer wherein k is 6; (3) 25-35% monomer wherein k is 8; (4) 7-15% monomer wherein k is 10; and (5) 0-3% monomer wherein in k is 12; (b) 10-35% polymer chain units derived from vinylidene chloride; (c) 10-25% polymer chain units derived from an alkyl acrylate or alkyl methacryalte having an alkyl chain length of 2-18 carbons; (d) 0-5% polymer chain units derived from chlorohydroxpropylacrylate or or chorohydroxypropylmethacrylate; (e) 0.1-2 % polymer chain units derived from N-methylolacrylamide or N-methylolmethacrylamide; (f) 0.1-2% polymer chain units derived from hydroxyethylmethacrylate or hydroxyethylacrylate; and (g) 0-5% polymer chain units derived from poly(oxyethylene) acrylate or methacrylate.
Claim 10
Dependent Claim
19 words
A fluoropolymer according to claim 8, wherein the alkyl acrylate or alkyl methacrylate is butylacrylate, stearylacrylate, stearylmethacrylate, or 2-ethylhexylacrylate.
Claim 11
Dependent Claim
12 words
A fluoropolymer according to claim 9, wherein the alkyl acrylate is 2-ethylhexylacrylate.
Claim 12
Dependent Claim
17 words
A fluoropolymer aCording to claim 9, wherein the alkyl acrylate or alkyl methacrylate is stearylacrylate or stearylmethacrylate.
Claim 13
Dependent Claim
146 words
A fluoropolymer according to claim 7, consisting essentially of, by weight: (a) 45-70% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OC(O)CH═CH.sub.2, the monomer mixture consisting essentially of (1) 0-8% monomer wherein k is 4 or less; (2) 45-65% monomer wherein k is 6; (3) 25-35% monomer wherein k is 8; (4) 5-15% monomer wherein k is 10; and (5) 0-5% monomer wherein k is 12; (b) 15-30% polymer chain units derived from vinylidene chloride; (c) 10-20% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbons; (d) 0.5% polymer chain units derived from chlorohydroxypropylacrylate or chlorohydroxypropylmethacrylate; (e) 0.1-2% polymer chain units derived from N-methylolacrylamide or N-methylolmethacrylamide; (f) 0.1-2% polymer chain units derived from hydroxyethylmethacrylate or hydroxyethylacrylate; and (g) 0-5% polymer chain units derived from poly(oxyethylene)acrylate or methacrylate.
Claim 14
Dependent Claim
136 words
A fluoropolymer according to claim 12, consisting essentially of, by weight: (a) 45-70% polymer chain units derived from a mixture of perfluoroalkylethylacrylate monomers of formula CF.sub.3 CF.sub.2 (CF.sub.2).sub.k C.sub.2 H.sub.4 OC(O)CH═CH.sub.2, the monomer mixture consisting essentially of: (1) 0-6% monomer wherein k is 4 or less; (2) 45-60% monomr wherein k is 6; (3) 25-35% monomer wherein k is 8; (4) 7-15% monomer wherein k is 10; and (5) 0-3% monomer wherein k is 12; (b) 15-30% polymer chain units derived from vinylidene chloride; (c) 10-20% polymer chain units derived from an alkyl acrylate or alkyl methacrylate having an alkyl chain length of 2-18 carbons; (d) 0.5% polymer chain units derived from chlorohydroxypropylacrylate or chlorohydroxypropylemthacrylate; (e) 0.1-2% polymer chain units derived from N-methylolacrylamide or N-methylolmethacrylamide; and (f) 0.1-2% polymer chain units derived from hydroxyethylemthacrylate or hydroxyethylacrylate.
Claim 15
Dependent Claim
20 words
A fluoropolymer according to claim 13, wherein the alkyl acrylate or alkyl methacrylate is butylacrylate, stearylacrylate, stearylmethacrylate, or 2-ethylhexyl acrylate.
Claim 16
Dependent Claim
12 words
A fluoropolymer according to claim 14, wherein the alkyl acrylate is 2-ethylhexylacrylate.
Claim 17
Dependent Claim
17 words
A fluoropolymer according to claim 14, wherein the alkyl acrylate or alkyl methacrylate is stearylacrylate of stearylmethacrylate.
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) | 1991-05-03 | 1991-11-02 | 1992-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-03 | 1995-11-02 | 1996-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-03 | 1999-11-02 | 2000-05-03 | $7700.00 | Window Closed / Lapsed |