Patent US4547556A successfully refreshed from Google Patents.
US4547556A
Expired / Lapsed
US
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Air-curing acrylic polymers
Assignee: Rohm and Haas Co
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Filing: 1982-10-25
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Granted: 1985-10-15
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Expires: 2002-10-25
Abstract
Abstract A composition comprising a water reducible vinyl additional polymer having pendant unsaturated air drying fatty acid ester groups and additional pendant groups selected from secondary amine, tertiary amine, and combinations thereof are disclosed, as are methods for preparing such polymers, solvent coatings, water reducible coatings, and electrodeposition coatings containing such polymers.
Inventors
- 👤 Kathleen A. Hughes
- 👤 Graham Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:57
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C08; C08F; C08F242/00; C09D5/00; C09D5/44; C09D5/4407
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
31 words
A composition comprising a water reducible vinyl addition polymer having pendant unsaturated air drying fatty acid ester groups and additional pendant groups selected from secondary amine, tertiary amine, and combinations thereof.
Claim 2
Dependent Claim
31 words
A composition comprising a water reducible vinyl addition polymer having pendant unsaturated air drying fatty acid ester groups and additional pendant groups selected from secondary amine, tertiary amine, and combinations thereof.
Claim 3
Dependent Claim
42 words
Composition in accordance with claim 1 wherein the fatty acid is selected from linseed oil, castor oil, dehydrated castor oil, soybean oil, tung oil, safflower oil, conjugated safflower oil, oticica oil, sunflower oil, sesame oil, corn oil, tobacco oil, and poppyseed oil.
Claim 4
Dependent Claim
31 words
Composition in accordance with claim 1 wherein the additional pendant group is selected from dimethylaminoethyl methacrylate, dimethylaminoethyl acrylate, diethylaminoethyl methacrylate, diethylaminoethyl acrylate, tertiary butylaminoethyl acrylate, tertiary butylaminoethyl methacrylate and 4-vinyl pyridine.
Claim 5
Dependent Claim
61 words
Composition in accordance with claim 1 wherein the vinyl addition polymer is polymerized from monomers selected from methyl methacrylate, butyl methacrylate, ethyl methacrylate, methyl acrylate, butyl acrylate, ethyl acrylate, ethylhexyl acrylate, ethylhexyl methacrylate, 2-hydroxyethyl methacrylate, 2-hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, acrylonitrile, acrylamide, methacrylonitrile, methacrylamide, isobutyl acrylate, isobutyl methacrylate, isobutyoxylmethyl acrylamide, n-butoxymethyl acrylamide, styrene, alpha-methyl styrene, para-methyl styrene, and vinyl toluene.
Claim 6
Dependent Claim
16 words
Composition in accordance with claim 1 wherein the polymer is polymerized in a water miscible solvent.
Claim 7
Dependent Claim
45 words
Composition in accordance with claim 5 wherein the water miscible solvent is selected from methyl Cellosolve, ethyl Cellosolve, butyl Cellosolve, methyl Carbitol, ethyl Carbitol, butyl Carbitol, Propasol P, Propasol B, Propasol DM, ethylene glycol, propylene glycol, isopropanol, tertiary butanol, methyl ethyl ketone and blends thereof.
Claim 8
Dependent Claim
17 words
Composition in accordance with claim 1 wherein the degree of polymerization, DP, is about 3 to 250.
Claim 9
Dependent Claim
68 words
Method of preparing water reducible vinyl addition polymers having pendant unsaturated air drying fatty acid ester groups and additional pendant groups selected from secondary amine, tertiary amine, and combinations thereof comprising (a) preparing an ester of a hydroxy-functional vinyl unsaturated monomer and drying oil fatty acid; (b) copolymerizing said esters with additional vinyl unsaturated monomers in a water miscible solvent in the presence of a free radical source.
Claim 10
Dependent Claim
68 words
Method of preparing water reducible vinyl addition polymers having pendant unsaturated air drying fatty acid ester groups and additional pendant groups selected from secondary amine, tertiary amine, and combinations thereof comprising (a) preparing an ester of a hydroxy-functional vinyl unsaturated monomer and drying oil fatty acid; (b) copolymerizing said esters with additional vinyl unsaturated monomers in a water miscible solvent in the presence of a free radical source.
Claim 11
Dependent Claim
29 words
Method of claim 8 wherein the polymer is neutralized and reduced by addition of water and acid or base to either a soluble polymer or a stable latex dispersion.
Claim 12
Dependent Claim
26 words
Method of claim 8 wherein the molecular weight is controlled so as to achieve a high solids solution polymer suitable for use in absence of water.
Claim 13
Dependent Claim
36 words
Method of claim 8 wherein the free radical source is selected from benzoyl peroxide, lauroyl peroxide, t-butyl peroxypivalate, t-butyl hydroperoxide, t-butyl peroctoate, t-butyl peracetate, t-butyl perbenzoate, 2,2-azobis(isobutyronitrile), 2,2',-azobis(2,4-dimethylvaleronitrile), diisopropyl peroxydicarbonate, 1-t-butylazo-1-cyanocyclohexane, 2-t-butylazo-2-cyanopropane, 2-t-butylazo-2-cyanobutane, and di-t-butyl peroxide.
Claim 14
Dependent Claim
32 words
Method of claim 8 wherein chain transfer agent is selected from n-dodecyl mercaptan, t-dodecyl mercaptan, thioglycolic acid, amyl mercaptan, 2-hydroxyethyl mercaptan, isopropanol, and cumene, and is added to lower polymer molecular weight.
Claim 15
Dependent Claim
16 words
Solvent coatings, water reducible coatings, and electrodeposition coatings containing a polymer composition according to claim 1.
References Cited (Backward Citations)
US4312797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-14 | 1989-04-15 | 1989-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-14 | 1993-04-15 | 1993-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-14 | 1997-04-15 | 1997-10-15 | $7700.00 | Window Closed / Lapsed |