US4358403A
Expired / Lapsed
US
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Aqueous low-emulsifier dispersions of butadiene-styrene emulsion copolymers containing carboxyl groups
Assignee: BASF SE
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Filing: 1981-08-12
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Granted: 1982-11-09
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Expires: 2001-08-12
Abstract
Abstract Aqueous low-emulsifier dispersions of emulsion copolymers which contain, as copolymerized units, (a) from 35 to 55% by weight of butadiene, (b) from 35 to 60% by weight of styrene, (c) from 1 to 3% by weight of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 6 carbon atoms, (d) from 1 to 3% by weight of amides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, (e) from 1 to 4% by weight of N-methylolamides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, or their alkyl ethers, and (f) from 1 to 3% by weight of acrylic acid and/or methacrylic acid monoesters of alkanediols of 2 to 6 carbon atoms, the emulsion containing, as emulsifier, from 0.1 to 0.8% by weight, based on emulsion copolymers, of fatty alcohol-sulfonates and/or alkylbenzenesulfonates, where alkyl is of 12 to 16 carbon atoms, are of particular value as binders for aqueous anti-corrosion paints.
Inventors
- 👤 Dieter Distler
- 👤 Michael Melan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:25
CPC Classifications
C; C08; C08L; C08L13/00; C08L13/02; C08F; C08F236/00; C08F236/02; C08F236/04; C08F236/10; C08L9/00; C08L9/06; C08L9/08; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/10; C09D5/00; C09D5/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
An aqueous dispersion of an emulsion copolymer of (a) from 35 to 55% by weight of butadiene, (b) from 35 to 60% by weight of styrene, (c) from 1 to 3% by weight of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 6 carbon atoms, (d) from 1 to 3% by weight of amides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, (e) from 1 to 4% by weight of N-methylolamides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, or their alkyl ethers, and (f) from 1 to 3% by weight of acrylic acid and/or methacrylic acid monoesters of alkanediols of 2 to 6 carbon atoms, the emulsion containing, as emulsifier, from 0.1 to 0.8% by weight, based on emulsion copolymers, of fatty alcohol-sulfonates and/or alkylbenzenesulfonates, where alkyl is of 12 to 16 carbon atoms.
Claim 2
Dependent Claim
149 words
An aqueous dispersion of an emulsion copolymer of (a) from 35 to 55% by weight of butadiene, (b) from 35 to 60% by weight of styrene, (c) from 1 to 3% by weight of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 6 carbon atoms, (d) from 1 to 3% by weight of amides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, (e) from 1 to 4% by weight of N-methylolamides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, or their alkyl ethers, and (f) from 1 to 3% by weight of acrylic acid and/or methacrylic acid monoesters of alkanediols of 2 to 6 carbon atoms, the emulsion containing, as emulsifier, from 0.1 to 0.8% by weight, based on emulsion copolymers, of fatty alcohol-sulfonates and/or alkylbenzenesulfonates, where alkyl is of 12 to 16 carbon atoms.
Claim 3
Dependent Claim
161 words
A process for the preparation of an aqueous low-emulsifier dispersion of a carboxyl-containing butadiene-styrene emulsion copolymer, wherein (a) from 35 to 55% by weight of butadiene, (b) from 35 to 60% by weight of styrene, (c) from 1 to 3% by weight of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 6 carbon atoms, (d) from 1 to 3% by weight of amides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, (e) from 1 to 4% by weight of N-methylolamides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, or their alkyl ethers, and (f) from 1 to 3% by weight of acrylic acid and/or methacrylic acid monoesters of alkanediols of 2 to 6 carbon atoms, are polymerized in aqueous emulsion in the presence of 0.1-0.8% by weight, based on monomers, of fatty alcohol-sulfonates and/or alkylbenzenesulfonates, where alkyl is of 12 to 16 carbon atoms, as the emulsifier.
Claim 4
Dependent Claim
161 words
A process for the preparation of an aqueous low-emulsifier dispersion of a carboxyl-containing butadiene-styrene emulsion copolymer, wherein (a) from 35 to 55% by weight of butadiene, (b) from 35 to 60% by weight of styrene, (c) from 1 to 3% by weight of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 6 carbon atoms, (d) from 1 to 3% by weight of amides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, (e) from 1 to 4% by weight of N-methylolamides of α,β-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids of 3 to 5 carbon atoms, or their alkyl ethers, and (f) from 1 to 3% by weight of acrylic acid and/or methacrylic acid monoesters of alkanediols of 2 to 6 carbon atoms, are polymerized in aqueous emulsion in the presence of 0.1-0.8% by weight, based on monomers, of fatty alcohol-sulfonates and/or alkylbenzenesulfonates, where alkyl is of 12 to 16 carbon atoms, as the emulsifier.
References Cited (Backward Citations)
US3817899A
Cited
US3740357A
Cited
GB1450916A
Cited
US3865772A
Cited
US4017443A
Cited
US4130691A
Cited
US4065423A
Cited
US4298513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-11-08 | 1986-05-10 | 1986-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-08 | 1990-05-10 | 1990-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-08 | 1994-05-10 | 1994-11-09 | $7700.00 | Window Closed / Lapsed |