US4124555A
Expired / Lapsed
US
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Water reducible coating compositions containing copolymers of vinyl pyrrolidone and unsaturated carboxylic acid and containing a solvent and a volatile amine
Assignee: Goodyear Tire and Rubber Co
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Filing: 1978-01-10
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Granted: 1978-11-07
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Expires: 1998-01-10
Abstract
Abstract Copolymers of at least two acrylate monomers such as isobutyl methacrylate and 2-ethylhexyl methacrylate, an organic acid or acid anhydride, and N-vinyl-2-pyrrolidone are incorporated into water reducible coating compositions typified by the following general formulation: ______________________________________ Parts by weight ______________________________________ Resin 20 - 30 Amine 1 - 3 Defoamer .2 - .5 Water soluble solvent 10 - 11 Water insoluble solvent 2 - 4 Water 45 - 60 ______________________________________ The coating compositions of the above recipe yield clear coatings with good adhesion and water resistance.
Inventors
- 👤 Bill B. Gross
- 👤 Michael J. Maximovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:50
CPC Classifications
C; C09; C09D; C09D139/00; C09D139/04; C09D139/06; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08K5/16; C08K5/17; C09D133/00; C09D133/02; C09D133/04; C09D133/06; C09D133/062; C09D133/064; C09D157/00
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
154 words
A film forming water reducible coating composition comprising: (A) a resin which consists essentially of, based on 100 weight percent of monomeric units within the resin: (1) from 0 to about 97 percent of at least two acrylate monomers selected from the group consisting of methyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate, lauryl acrylate, 2-ethylhexyl methacrylate, butyl acrylate, isodecyl methacrylate, butyl methacrylate, isobutyl methacrylate; (2) from 0 to about 95 percent of a monomer selected from the group consisting of styrene, α-methylstyrene, acrylonitrile, vinyl toluene, methyl methacrylate, vinyl chloride and vinylidene chloride; (3) from about 0.5 to about 5 percent N-vinyl 2-pyrrolidone; and (4) from about 2 to about 15 percent of an unsaturated carbonyl compound selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, itaconic acid, maleic acid, and maleic anhydride; with the proviso that total monomeric units must be 100 percent; (B) a coalescing solvent, and (C) a volatile amine.
Claim 2
Dependent Claim
154 words
A film forming water reducible coating composition comprising: (A) a resin which consists essentially of, based on 100 weight percent of monomeric units within the resin: (1) from 0 to about 97 percent of at least two acrylate monomers selected from the group consisting of methyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate, lauryl acrylate, 2-ethylhexyl methacrylate, butyl acrylate, isodecyl methacrylate, butyl methacrylate, isobutyl methacrylate; (2) from 0 to about 95 percent of a monomer selected from the group consisting of styrene, α-methylstyrene, acrylonitrile, vinyl toluene, methyl methacrylate, vinyl chloride and vinylidene chloride; (3) from about 0.5 to about 5 percent N-vinyl 2-pyrrolidone; and (4) from about 2 to about 15 percent of an unsaturated carbonyl compound selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, itaconic acid, maleic acid, and maleic anhydride; with the proviso that total monomeric units must be 100 percent; (B) a coalescing solvent, and (C) a volatile amine.
Claim 3
Dependent Claim
76 words
The film forming water reducible composition of claim 1 wherein the coalescing solvent is selected from the group consisting of ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, diethylene glycol monoethyl ether acetate, diethylene glycol diethyl ether, ethylene glycol monomethyl ether acetate, dipropylene glycol methyl ether, methyl ethyl ketone, propylene glycol ethyl ether, propylene glycol isopropyl ether, propylene glycol butyl ether, acetone, methyl propyl ketone and diacetone alcohol.
Claim 4
Dependent Claim
51 words
The film forming water reducible coating composition of claim 2 wherein the volatile amine is selected from the group consisting of ethyl amine, propyl amine, butyl amine, isoamyl amine, amyl amine, hexyl amine, heptyl amine, ethanol amine, diethyl amine, ethyl ethanol amine, morpholine; dimethylethanol amine, trimethyl amine, triethylamine and N-methyl morpholine.
Claim 5
Dependent Claim
27 words
The film forming water reducible coating composition of claim 3 wherein the starting material for the mixture is the emulsion reaction product from the resin formation reaction.
Claim 6
Dependent Claim
21 words
The film forming water reducible coating composition of claim 3 wherein the resin in sub-part (A) is in a dry form.
Claim 7
Dependent Claim
32 words
The film forming water reducible coating composition of claim 5 to which water has been added in sufficient amount to make the volume ratio of water to solvent approximately 4 to 1.
Claim 8
Dependent Claim
63 words
The film forming water reducible coating composition of claim 6 which further comprises a defoamer and a water insoluble solvent and wherein the ingredients are in the following proportions: ______________________________________
Parts by weight
______________________________________
Resin 20 - 30
Amine 1 - 3
Defoamer .2 - .5
Water soluble solvent 10 - 11
Water insoluble solvent
2 - 4
Water 45 - 60
______________________________________
Claim 9
Dependent Claim
24 words
The film forming water reducible coating composition of claim 7 wherein the resin used has been made by the technique of continuous monomer addition.
Claim 10
Dependent Claim
28 words
The film forming water reducible coating composition of claim 8 wherein the resin is comprised of 71% isobutyl methacrylate, 24% 2-ethylhexyl methacrylate, 3% methacrylic acid and 2% N-vinyl-2-pyrrolidone.
Claim 11
Dependent Claim
19 words
The film forming water reducible coating composition of claim 8 to which has been added a latex coating composition.
Claim 12
Dependent Claim
30 words
The film forming water reducible coating composition of claim 10 wherein the weight ratio of water reducible resin solids to latex resin solids is from about 30/70 to about 70/30.
Claim 13
Dependent Claim
30 words
The film forming water reducible coating composition of claim 11 wherein the water reducible resin is comprised of 71% isobutyl methacrylate, 24% 2-ethylhexyl methacrylate, 3% methacrylic acid and 2% N-vinyl-2-pyrrolidone.
Claim 14
Dependent Claim
29 words
The film forming water reducible coating composition of claim 12 wherein the latex resin is comprised of 47.5% n-butyl methacrylate, 48% 2-ethylhexyl acrylate, 2.5% methacrylic acid and 2% N-vinyl-2-pyrrolidone.
Claim 15
Dependent Claim
83 words
The film forming water reducible coating composition of claim 13 to which titanium dioxide pigment has been added, wherein the water soluble solvent is ethylene glycol monobutyl ether, the water insoluble solvent is methyl-isobutyl ketone, the amine is triethylamine, and wherein the ingredients are present in the following proportions: ______________________________________
Ingredients Parts by Weight
______________________________________
Water reducible resin 12.5
Defoamer 1
Ethylene glycol monobutyl ether
8.5
Methyl-isobutyl ketone 5
Triethyl amine 1
Latex (40% solids) 31.25
Water 41.25
TiO.sub.2 slurry (60%) 20.8
______________________________________
Claim 16
Dependent Claim
16 words
The film forming water reducible coating composition of claim 13 to which plasticizer has been added.
Claim 17
Dependent Claim
45 words
The film forming water reducible coating composition of claim 15 wherein the plasticizer has a boiling point of at least 100° C., has a solubility parameter of about 8 to about 11, and comprises about 5 to about 10 weight percent of the coating composition.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |