There is provided an aqueous dispersible polymer composition comprising: (i) a hydroxyl functional dendritic polymer; (ii) one or more polar compounds, the polar compounds being miscible with both the hydroxyl functional dendritic polymer and an aqueous solvent; and wherein the one or more polar com
There is provided an aqueous dispersible polymer composition comprising: (i) a hydroxyl functional dendritic polymer; (ii) one or more polar compounds, the polar compounds being miscible with both the hydroxyl functional dendritic polymer and an aqueous solvent; and wherein the one or more polar compounds are present in an amount sufficient to disperse the hydroxyl functional dendritic polymer in the aqueous solvent. There is also provided a coating composition comprising the same and processes for preparing the aqueous dispersible polymer composition and the coating composition.
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1. An aqueous dispersible polymer composition consisting essentially of: (i) a hydroxyl functional dendritic polymer, wherein the hydroxyl functional dendritic polymer is completely unmodified; and(ii) one or more polar compounds comprising one or more polar functional groups selected from the group
1. An aqueous dispersible polymer composition consisting essentially of: (i) a hydroxyl functional dendritic polymer, wherein the hydroxyl functional dendritic polymer is completely unmodified; and(ii) one or more polar compounds comprising one or more polar functional groups selected from the groups consisting of: hydroxyl functional group, amino functional group, halogen functional group, carbonyl functional group and carboxyl functional group, said polar compounds being miscible with both said hydroxyl functional dendritic polymer and an aqueous solvent; and wherein the weight ratio of said hydroxyl functional dendritic polymer to said polar compounds is from about 1:9 to about 4:1. 2. The aqueous dispersible polymer composition of claim 1, wherein said composition further comprises said aqueous solvent. 3. The aqueous dispersible polymer composition according to claim 1, wherein said or more polar compounds are selected from the group consisting of: alcohols, carboxylic acids, halogenated alkyls, halogenated olefins, amines, alkylamines, alkenylamines, olefinic alcohols, cycloalkyl alcohol, cycloalkenyl alcohol, hydroxy acid and mixtures thereof. 4. The aqueous dispersible polymer composition according to claim 1, further comprising one or more cross-linkers. 5. The aqueous dispersible polymer composition according to claim 1, wherein said hydroxyl functional dendritic polymer has a theoretical number of 16 to 128 hydroxyl groups per molecule of said dendritic polymer. 6. The aqueous dispersible polymer composition according to claim 5, wherein said hydroxyl functional dendritic polymer has a theoretical number of 64 hydroxyl groups per molecule of said dendritic polymer. 7. A single component (1K) coating composition comprising the aqueous dispersible polymer composition according to claim 1 and one or more crosslinkers in a single component. 8. A two-part (2K) coating composition comprising the aqueous dispersible polymer composition according to claim 1 in one component and one or more crosslinkers in the other component. 9. A coating composition comprising a first component and second component, wherein said first component consists essentially of: (i) at least one hydroxyl functional dendritic polymer, wherein the hydroxyl functional dendritic polymer is completely unmodified;(ii) one or more polar compounds comprising one or more polar functional groups selected from the groups consisting of: hydroxyl functional group, amino functional group, halogen functional group, carbonyl functional group and carboxyl functional group, said polar compounds being miscible with both said hydroxyl functional dendritic polymer and an aqueous solvent;(iii) an aqueous solvent; and said second component comprising: (iv) one or more cross-linkers; and wherein said first and second components, when mixed together, form the coating composition, wherein the weight ratio of said hydroxyl functional dendritic polymer to said polar compounds is from about 1:9 to about 4:1. 10. A process for preparing an aqueous dispersible polymer composition, said process comprising the steps of (a) mixing a hydroxyl functional dendritic polymer, one or more polar compounds in an aqueous solvent to form said aqueous dispersible polymer composition, said one or more polar compounds being selected to be miscible with both said hydroxyl functional dendritic polymer and said aqueous solvent; wherein the hydroxyl functional dendritic polymer is completely unmodified, wherein said one or more polar compounds comprise one or more polar functional groups selected from the groups consisting of: hydroxyl functional group, amino functional group, halogen functional group, carbonyl functional group and carboxyl functional group, and wherein the weight ratio of said hydroxyl functional dendritic polymer to said polar compounds is from about 1:9 to about 4:1. 11. The process according to claim 10, wherein said mixing step is performed at a temperature of about 20° C. to about 200° C. 12. The process according to claim 10, wherein said mixing step comprises physical blending. 13. The process of claim 10, wherein the hydroxyl functional dendritic polymer has a theoretical number of 16 to 128 hydroxyl groups per molecule of said polymer. 14. The process of claim 10, wherein the hydroxyl functional dendritic polymer has a theoretical number of 16 to 64 hydroxyl groups per molecule of said polymer. 15. The process of claim 10, wherein the hydroxyl functional dendritic polymer has a theoretical number of 32 to 64 hydroxyl groups per molecule of said polymer. 16. The process of claim 10, wherein the hydroxyl functional dendritic polymer has a theoretical number of 32 hydroxyl groups per molecule of said polymer. 17. The process of claim 10, wherein the hydroxyl functional dendritic polymer has a theoretical number of 64 hydroxyl groups per molecule of said polymer. 18. The process of claim 10, wherein the polar compound is selected from the group consisting of an alcohol, diol, polyol, and a hydroxyl substituted aliphatic carboxylic acid. 19. The process of claim 10, further comprising contacting the aqueous dispersion of a hydroxyl functional dendritic polymer with one or more cross-linkers. 20. The aqueous dispersible polymer composition of claim 1, wherein the one or more polar compounds are selected from the group consisting of 1,6-hexanediol, lactic acid, ethylene glycol, polyethylene glycol and a mixture of (cis, trans) 1,3 cyclohexanedimethanol and (cis, trans) 1,4-cyclohexanedimethanol)diol. 21. The coating composition of claim 9, wherein the one or more polar compounds are selected from the group consisting of 1,6-hexanediol, lactic acid, ethylene glycol, polyethylene glycol and a mixture of (cis, trans) 1,3 cyclohexanedimethanol and (cis, trans) 1,4-cyclohexanedimethanol)diol. 22. The process of claim 10, wherein the one or more polar compounds are selected from the group consisting of 1,6-hexanediol, lactic acid, ethylene glycol, polyethylene glycol and a mixture of (cis, trans) 1,3 cyclohexanedimethanol and (cis, trans) 1,4-cyclohexanedimethanol)diol.
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이 특허에 인용된 특허 (2)
Simon Pascal,FRX ; Chevalier Veronique,FRX, Antiwrinkle composition comprising a combination of tightening polymers of synthetic and/or natural origin and of dendritic polyesters.
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