US5698626A
Expired / Lapsed
US
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Functional group terminated polymers containing sulfonate group via polymerization of sulfonated monomers
Assignee: Witco Corp
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Filing: 1996-12-18
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Granted: 1997-12-16
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Expires: 2016-12-18
Abstract
Abstract Disclosed is a process for producing water-dispersible polymers, particularly condensation polymers such as polyesters, and polyamides, by sulfonating an ethylenically unsaturated monomeric precursor and then condensation polymerizing the sulfonated precursor with a second monomer.
Inventors
- 👤 Wally L. Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:27
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/685; C08G63/6854; C08G63/6856; C08L; C08L67/00
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
105 words
A process for producing a water-dispersible polymer, comprising: (a) sulfonating an ethylenically unsaturated monomeric precursor which has no aromatic ring and which is substituted with at least two groups selected from the group consisting of --OH, --COOH, and --NH 2 , with a sulfonating agent to form a sulfonated monomeric precursor which is substituted with at least two groups selected from the group consisting of --OH, --COOH, and --NH 2 ; and (b) reacting said sulfonated monomeric precursor with a difunctional second monomer capable of undergoing condensation polymerization with said sulfonated monomeric precursor, under conditions whereunder said precursor and said second monomer undergo condensation polymerization.
Claim 2
Dependent Claim
105 words
A process for producing a water-dispersible polymer, comprising: (a) sulfonating an ethylenically unsaturated monomeric precursor which has no aromatic ring and which is substituted with at least two groups selected from the group consisting of --OH, --COOH, and --NH 2 , with a sulfonating agent to form a sulfonated monomeric precursor which is substituted with at least two groups selected from the group consisting of --OH, --COOH, and --NH 2 ; and (b) reacting said sulfonated monomeric precursor with a difunctional second monomer capable of undergoing condensation polymerization with said sulfonated monomeric precursor, under conditions whereunder said precursor and said second monomer undergo condensation polymerization.
Claim 3
Dependent Claim
22 words
A process according to claim 1 wherein said sulfonating agent is selected from the group consisting of bisulfites, metabisulfites, and mixtures thereof.
Claim 4
Dependent Claim
15 words
A process according to claim 1 wherein said ethylenically unsaturated monomeric precursor is a diacid.
Claim 5
Dependent Claim
15 words
A process according to claim 3 wherein said diacid contains 4 to 36 carbon atoms.
Claim 6
Dependent Claim
31 words
A process according to claim 3 wherein said diacid is selected from the group consisting of maleic acid, fumaric acid, mesaconic acid, citraconic acid, muconic acid, itaconic acid, and 2-vinyl-butane-1,4-dioic acid.
Claim 7
Dependent Claim
15 words
A process according to claim 1 wherein said ethylenically unsaturated monomeric precursor is an anhydride.
Claim 8
Dependent Claim
15 words
A process according to claim 6 wherein said anhydride contains 4 to 36 carbon atoms.
Claim 9
Dependent Claim
33 words
A process according to claim 6 wherein said anhydride is selected from the group consisting of anhydrides of maleic acid, fumaric acid, mesaconic acid, citraconic acid, muconic acid, itaconic acid, and 2-vinyl-butane-1,4-dioic acid.
Claim 10
Dependent Claim
15 words
A process according to claim 1 wherein said ethylenically unsaturated monomeric precursor is a diamine.
Claim 11
Dependent Claim
15 words
A process according to claim 9 wherein said diamine contains 2 to 12 carbon atoms.
Claim 12
Dependent Claim
18 words
A process according to claim 9 wherein said diamine is a diamino-alkene containing 2 to 12 carbon atoms.
Claim 13
Dependent Claim
15 words
A process according to claim 1 wherein said ethylenically unsaturated monomeric precursor is a diol.
Claim 14
Dependent Claim
15 words
A process according to claim 12 wherein said diol contains 4 to 10 carbon atoms.
Claim 15
Dependent Claim
29 words
A process according to claim 12 wherein said diol is selected from the group consisting of 1,4-butenediol, 1,4-butynediol, glycerine allyl ether, glyceryl monostearate, and mono-acrylates and mono-methacrylates of glycol.
Claim 16
Dependent Claim
92 words
A process for producing a water-dispersible polymer, comprising (a) reacting an ethylenically unsaturated anhydride or diacid which has no aromatic ring, a diol or diamine, and a sulfonating agent, to form a reaction product which is a sulfonated mono- or bis-ester or amide, which is substituted with at least two groups selected from --COOH, --OH and --NH 2 ; and (b) reacting said reaction product with a difunctional second monomer capable of undergoing condensation polymerization with said sulfonated monomeric precursor, under conditions whereunder said precursor and said second monomer undergo condensation polymerization.
Claim 17
Dependent Claim
92 words
A process for producing a water-dispersible polymer, comprising (a) reacting an ethylenically unsaturated anhydride or diacid which has no aromatic ring, a diol or diamine, and a sulfonating agent, to form a reaction product which is a sulfonated mono- or bis-ester or amide, which is substituted with at least two groups selected from --COOH, --OH and --NH 2 ; and (b) reacting said reaction product with a difunctional second monomer capable of undergoing condensation polymerization with said sulfonated monomeric precursor, under conditions whereunder said precursor and said second monomer undergo condensation polymerization.
Claim 18
Dependent Claim
10 words
A water-dispersible polymer prepared by the process of claim 1.
Claim 19
Dependent Claim
10 words
A water-dispersible polymer prepared by the process of claim 3.
Claim 20
Dependent Claim
10 words
A water-dispersible polymer prepared by the process of claim 6.
Claim 21
Dependent Claim
10 words
A water-dispersible polymer prepared by the process of claim 9.
Claim 22
Dependent Claim
10 words
A water-dispersible polymer prepared by the process of claim 12.
Claim 23
Dependent Claim
10 words
A water-dispersible polymer prepared by the process of claim 15.
References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 2000-12-15 | 2001-06-16 | 2001-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-12-15 | 2005-06-16 | 2005-12-16 | $3760.00 | Window Closed / Lapsed |
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