Claims
- 1. Water-soluble or dispersible reaction product of a composition comprising in admixtureA. Polyisocyanate, B. Silicone having dimethylsiloxane segment and one or more isocyanate-reactive group, C. Reactant with one or more isocyanate-reactive group, and one or more ionizable group, and D. Compound providing counterion for said ionizable group; and wherein either silicone B, or reactant C, or both, have a single isocyanate-reactive group; and wherein the weight average molecular weight of said reaction product is about 600-20,000.
- 2. Reaction product according to claim 1 wherein said reactant is selected from the group consisting of 2,2′-dimethylol propionic acid, hydroxyacetic acid, aminoacetic acid, tartaric acid, lysine, N-2-aminoethyl-2-aminoethane sulfonic acid, the propoxylated adduct of 2-butene-1,4-diol with sodium bisulfite, and combinations thereof.
- 3. Reaction product according to claim 1 wherein said counterion is provided by a compound having an amine, halide, hydroxide or a carboxyl group.
- 4. Reaction product, according to claim 1, having weight average molecular weight about 800-10,000.
- 5. Reaction product, according to claim 4, having weight average molecular weight about 1,000-5,000.
- 6. Reaction product, according to claim 1, coated on a substrate.
- 7. Reaction product, according to claim 6, wherein the coating on said substrate is a release agent in an adhesive-coated product.
- 8. Reaction product, according to claim 1, as a coating selected from the group consisting of ink modifier, overprint varnish, finish for fiber, fabric or paper products, and mold release agent.
- 9. Reaction product, according to claim 1, having dimethylsiloxane content 1-17%.
- 10. Reaction, according to claim 1, wherein said counterion is an amine.
- 11. Water-soluble or dispersible reaction product of a composition comprising in admixture:A. Polyisocyanate, B. Silicone having dimethylsiloxane segment and one or more isocyanate-reactive group, C. Carboxylic acid containing reactant that is the reaction product of a cyclic monoanhydride with a compound having at least one anhydride-reactive group and at least one isocyanate-reactive group, and D. Compound providing counterion for said ionizable group.
- 12. Reaction product according to claim 11 wherein said dimethylsiloxane segment consists of 1-25 dimethylsiloxane units, the isocyanate-reactive groups are selected from the group consisting of hydroxyl, primary amino, secondary amino, carboxyl and thiol, or mixtures thereof, and bonded to said dimethylsiloxane segment by an intermediate organic group.
- 13. Reaction product according to claim 12 wherein said intermediate organic group is alkylene, alkyleneoxy or polyester.
- 14. Reaction product according to claim 11 wherein said ionizable group is provided by a compound selected from the group consisting of carboxylic acid, sulfonic acid, phosphonic acid, tertiary amine and polyamine.
- 15. Reaction product according to claim 11 wherein said polyiisocyanate is selected from the group consisting of isomers of toluene diisocyanate, isomers of methylene-bis-phenylisocyanate, polymeric methylene-bis-phenyliocyanate, tetramethyl-m-xylylene diisocyanate, isophorone diisocyanate, m-tetramethylxylylene diisocyanate and mixtures thereof.
- 16. Reaction product according to claim 11 wherein said multifunctional compound is selected from the group consisting of polyamine, polyol, amino alcohol, amino acid and hydroxyacid.
- 17. Reaction product according to claim 11 wherein said cyclic monoanhydride is either phthalic anhydride or hydrogenated phthalic anhydride and said compound is selected from the group consisting of 2-ethanol amine, N-methyl-2-ethanolamine, diethanol amine, diisopropanol amine, 2-amino-2-ethyl-1,3-propanediol and 4-aminobenzoic acid.
- 18. Reaction product, according to claim 11, coated on a substrate as release agent in an adhesive-coated product.
- 19. Release agent, according to claim 18, blended with a film-forming polymer.
- 20. Blend, according to claim 19, wherein said film-forming polymer is selected from the group consisting of vinylacetate homo or copolymers, polyacrylates, polyvinyl chloride homo and copolymers, polyesters, amino resins and epoxy resins.
- 21. Reaction product, according to claim 11, as a coating selected from the group consisting of ink, overprint varnish, paint, finish material for fiber, fabrics or paper products, and mold release agent.
- 22. Reaction product, according to claim 11, having weight average molecular weight about 800-20,000.
- 23. Reaction product, according to claim 22, having weight average molecular weight about 800-10,000.
- 24. Reaction product, according to claim 23, having weight average molecular weight about 1,00-5,000.
- 25. Reaction product, according to claim 11 with dimethylsiloxane content 1-17%.
- 26. Water-soluble or dispersible reaction product of a composition comprising in admixture:A. Polyisocyanate, B. Silicone having dimethylsiloxane segment and one or more isocyanate-reactive group, C. Reactant with one or more isocyanate-reactive group, and one or more ionizable group, and D. Compound providing counterion for said ionizable group; and wherein either silicone B, or reactant C, or both, have a single isocyanate-reactive group, and wherein the average degree of polymerization is 3-20.
- 27. Reaction product, according to claim 26, having average degree of polymerization about 4-10.
- 28. Reaction product, according to claim 26, coated on a substrate as release agent in an adhesive-coated product.
- 29. Reaction product, according to claim 26, having dimethylsiloxane content 1-17%.
- 30. Solution or dispersion in water and negatively or positively charged reaction product of a composition comprising in admixture:A. Polyisocyanate and B. Silicone with dimethylsiloxane segment having one or more isocyanate-reactive group and one or more ionizable group that does not react with said polyisocyanate.
CROSS REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of copending U.S. Provisional Application serial No. 60/261,731, entitled “Silicone-Modified Urethane Oligomer, filed Jan. 17, 2001, the teachings of which are incorporated by reference.”
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3607375 |
Wiejak |
Sep 1971 |
A |
Foreign Referenced Citations (1)
Number |
Date |
Country |
1128642 |
Sep 1968 |
GB |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/261731 |
Jan 2001 |
US |