| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0083257
(1993-06-29)
|
| 우선권정보 |
FR-0008399 (1992-07-01) |
|
발명자
/ 주소 |
- Egraz Jean-Bernard (Ecully FRX) Grondin Henri (Lyons FRX) Suau Jean-Marc (Lyons FRX)
|
| 출원인 / 주소 |
- Coatex S.A. (Genay FRX 03)
|
| 인용정보 |
피인용 횟수 :
32 인용 특허 :
0 |
초록
▼
A copolymer comprised of at least one monomer having ethylenic unsaturation and a carboxylic acid group, optionally at least one monomer having ethylenic unsaturation and not having a carboxylic acid group, at least one oxyalkylated monomer having ethylenic unsaturation and terminated by a fatty hyd
A copolymer comprised of at least one monomer having ethylenic unsaturation and a carboxylic acid group, optionally at least one monomer having ethylenic unsaturation and not having a carboxylic acid group, at least one oxyalkylated monomer having ethylenic unsaturation and terminated by a fatty hydrophobic chain having at least 26 C atoms, and optionally at least one monomer having at least two sites of ethylenic unsaturation. The copolymer is employed as a modifier of rheological properties, stabilizing agent, and/or an antisedimentation or suspension agent for coarse mineral or organic materials, in applications such as drilling muds, textile printing pies, cosmetics, detergents, plant protection, and paints and coatings.
대표청구항
▼
A copolymer which is water-soluble or moderately water-soluble and which may be crosslinked, comprising: (a) units of at least one monomer having ethylenic unsaturation and having at least one carboxylic acid group, which monomer is selected from the group consisting of monoacids, diacids, the anhyd
A copolymer which is water-soluble or moderately water-soluble and which may be crosslinked, comprising: (a) units of at least one monomer having ethylenic unsaturation and having at least one carboxylic acid group, which monomer is selected from the group consisting of monoacids, diacids, the anhydrides of carboxylic acids, and the hemiesters of diacids; (b) optionally, unit(s) of at least one monomer having ethylenic unsaturation and not having a carboxylic acid group selected from the group consisting of the esters, amides, and nitriles of (meth)acrylic acid, or selected from the group consisting of vinyl acetate, styrene, methylstyrene, diisobutylene, vinylpyrrolidone, and vinylcaprolactam; (c) units of at least one monomer having an oxyalkylated moiety, which monomer has ethylenic unsaturation and is terminated by a hydrophobic fatty chain, said monomer having formula I: [Figure] (I) where m and p represent numbers of oxyalkylene groups each ≤100; n represents the number of oxyethylene groups ≤100; q represents a number at least equal to 1 such that q(n+m+p)≤100; R1 represents hydrogen or a methyl group; R2 represents hydrogen or a methyl group; R′represents hydrophobic fatty hydrocarbon chain of at least 26 carbon atoms; and R represents an unsaturated polymerizable group selected from the group consisting of vinyl group containing moieties, methacryloyl, maleoyl, itaconoyl, crotonyl, an unsaturated urethane moiety, hemiester maleoyl, hemiester itaconoyl, CH2〓CHCH2－O－, methacrylamido and substituted methacrylamido; and (d) optionally, unit(s) of at least one monomer having at least two sites of ethylenic unsaturation selected from the group consisting of ethylene glycol dimethacrylate, 2,2-dihydroxymethylbutanol triacrylate, allyl acrylate, methylenebis(meth)acrylamide, tetraallyloxyethane, triallyl cyanurate, and allyl ethers obtained from polyols.
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