Claims
- 1. An ungelled thermosetting reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxylcontaining carboxylic acid.
- 2. The reaction product of claim 1 in which said amine-aldehyde condensation product is a melamine-formaldehyde condensation product.
- 3. The reaction product of claim 1 in which said amine-aldehyde condensation product is substantially alkylated.
- 4. The reaction product of claim 1 in which said amine-aldehyde condensation product is substantially methylated hexamethylolmelamine.
- 5. An ungelled, thermosetting reaction product of an amine-aldehyde condensation product and a di(hydroxyaryl)alkylidene carboxylic acid.
- 6. The reaction product of claim 5 in which said acid is 4,4-bis(4-hydroxyphenyl)pentanoic acid.
- 7. An ungelled thermosetting reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a hydroxyl-substituted aliphatic carboxylic acid.
- 8. The reaction product of claim 7 in which said acid is ricinoleic acid.
- 9. A water-dispersed coating composition comprising an at least partially neutralized reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxyl-containing carboxylic acid.
- 10. A water-dispersed coating composition comprising an at least partially neutralized vehicle which comprises
- a. an ungelled, thermosetting reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxyl-containing carboxylic acid, and
- b. at least one other electrodepositable film-forming resin.
- 11. A water-dispersed coating composition comprising an at least partially neutralized vehicle which comprises
- a. an ungelled, thermosetting reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxyl-containing carboxylic acid, and
- b. a polycarboxylic acid resin.
- 12. The composition of claim 11 in which said polycarboxylic acid resin is an alkyd resin.
- 13. The composition of claim 11 in which said polycarboxylic acid resin is a reaction product of a drying oil fatty acid ester and at least one acidic compound selected from the group consisting of anhydrides of alpha, beta-ethylenically unsaturated dicarboxylic acids, alpha, beta-ethylenically unsaturated dicarboxylic acids which form anhydrides, fumaric acid, and mixtures thereof.
- 14. The composition of claim 13 in which said acidic compound is maleic anhydride.
- 15. An article comprising a surface having thereon a cured adherent film comprising a reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxylcontaining carboxylic acid.
- 16. An article comprising a surface having thereon a cured adherent film of a coating composition comprising the reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a dihydroxyaryl alkylidene carboxylic acid.
- 17. An article comprising a surface having thereon a cured adherent film of a coating composition comprising
- a. a reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxyl-containing carboxylic acid, and
- b. at least one other electrodepositable film-forming component.
- 18. An article comprising a surface having thereon a cured adherent film of a coating composition comprising
- a. a reaction product of an amine-aldehyde condensation product selected from the group consisting of a melamine-aldehyde condensation product, a formoguanamine-aldehyde condensation product, an acetoguanamine-aldehyde condensation product and a benzoguanamine-aldehyde condensation product and a polyfunctional hydroxyl-containing carboxylic acid, and
- b. a polycarboxylic acid resin.
- 19. The article of claim 18 in which said polycarboxylic acid resin is an alkyd resin.
- 20. The article of claim 18 in which said polycarboxylic acid resin is a reaction product of a drying oil fatty acid ester and at least one acidic compound selected from the group consisting of aldehydes of alpha, beta-ethylenically unsaturated dicarboxylic acids which form anhydrides, fumaric acid, and mixtures thereof.
- 21. A composition suitable for coating by electrophoresis consisting essentially of an ionized aqueous solution of
- a. a resin which is an alkylated amino resin at least partially transetherified by reaction with a hydroxycarboxylic acid or an alkyl ether of an amino resin precondensate at least partially transetherified by reaction with a hydroxycarboxylic acid,
- b. a water-soluble alkyd resin, and
- c. ammonia or an organic base.
- 22. A composition according to claim 21 wherein the pH of the aqueous solution is in the range 6.5 to 9.0.
- 23. A composition according to claim 21 wherein the amino resin is a urea-formaldehyde reaction product, a melamine-formaldehyde reaction product or a benzoguanamine-formaldehyde reaction product.
- 24. A composition according to claim 21 wherein the amino resin has been alkylated by reaction with an alcohol having 1 to 5 carbon atoms.
- 25. A composition according to claim 21 wherein the amino resin precondensate has been reacted with an alcohol having 1 to 5 carbon atoms.
- 26. A composition according to claim 21 wherein the alkyd resin is one based on dimethylol propionic acid or trimellitic acid.
- 27. A composition according to claim 21 wherein the alkyd resin is that made by condensing 1 mole of linseed oil with 3 mole maleic anhydride to an acid value of 190-200.
- 28. A composition according to claim 21 wherein the hydroxycarboxylic acid is dimethylol propionic acid, gallic acid, lactic acid or glycollic acid.
- 29. A composition according to claim 21 wherein the hydroxycarboxylic acid is that made by condensing a glycol and a dicarboxylic acid or anhydride.
- 30. A composition according to claim 21 wherein the organic base has a boiling point below 140.degree.C.
- 31. A composition according to claim 30 wherein the organic base is dimethylamino ethanol or triethylamine.
- 32. A composition according to claim 21 wherein the ratio by weight of component (b) to component (a) is between 1:1 and 19:1.
- 33. A composition according to claim 32 wherein the ratio by weight of component (b) to component (a) is between 7:3 and 9:1.
- 34. An article coated electrophoretically by means of a composition according to claim 21.
- 35. A thermosetting reaction product of an amino-triazine/aldehyde condensate and an aliphatic hydroxyl group containing carboxylic acid.
- 36. The product as in claim 35 wherein the amino-triazine is a melamine.
- 37. The product as in claim 36 wherein the aldehyde is formaldehyde.
- 38. A thermosetting reaction product of a condensate of a melamine and an aldehyde and an aliphatic hydroxy group containing carboxylic acid.
- 39. A thermosetting reaction product of a condensate of a melamine and formaldehyde with an aliphatic hydroxy group containing carboxylic acid.
- 40. A thermosetting reaction product of an amino-triazine/aldehyde condensate and an aliphatic hydroxy-group containing carboxylic acid wherein the amino-triazine is selected from the group consisting of melamine, benzoguanamine, formoguanamine, acetoguanamine, and substituted melamines selected from 2,4,6-triethyltriamino-1,3,5-triazine and 2,4,6-triphenyl triamino-1,3,5-triazine; the aldehyde is selected from the group consisting of formaldehyde, acetaldehyde and benzaldehyde, the resulting alkylol may be etherified with an alcohol selected from the group consisting of alkanols of 1 to 12 carbon atoms and benzyl alcohol; and the hydroxy acid is selected from the group consisting of glycolic acid, beta-hydroxy propionic acid, alpha-hydroxy butyric acid and dimethylol propionic acid.
- 41. A thermosetting reaction product of an amino-triazine/aldehyde condensate and an aliphatic hydroxy-group containing carboxylic acid wherein the amino-triazine is selected from the group consisting of melamine and substituted melamines selected from 2,4,6-triethyltriamino-1,3,5-triazine and 2,4,6-triphenyltriamino-1,3,5-triazine; the aldehyde is selected from the group consisting of formaldehyde, acetaldehyde and benzaldehyde, the resulting alkylol may be etherified with an alcohol selected from the group consisting of alkanols of 1 to 12 carbon atoms and benzyl alcohol; and the hydroxy acid is elected from the group consisting of glycolic acid, beta-hydroxy propionic acid, alpha-hydroxy butyric acid and dimethylol propionic acid.
- 42. A thermosetting reaction product of an amino-triazine/aldehyde condensate and an aliphatic hydroxyl-group containing carboxylic acid wherein the amino-triazine is selected from the group consisting of melamine and substituted melamines selected from 2,4,6-triethyltriamino-1,3,5-triazine and 2,4,6-triphenyltriamino-1,3,5-triazine; the aldehyde is formaldehyde, the resulting alkylol may be etherified with an alcohol selected from the group consisting of alkanols of 1 to 12 carbon atoms and benzyl alcohol; and the hydroxy acid is selected from the group consisting of glycolic acid, beta-hydroxy propionic acid, alpha-hydroxy butyric acid and dimethylol propionic acid.
- 43. A thermosetting reaction product of hexakis (methoxymethyl) melamine and glycolic acid.
- 44. A thermosetting reaction product of hexakis (methoxymethyl) melamine and dimethylol propionic acid.
Parent Case Info
This application is a division of copending application Ser. No. 444,793, filed Apr. 1, 1965, now U.S. Pat. No. 3,502,557.
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Oct 1950 |
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2680734 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
444793 |
Apr 1965 |
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