초록 ▼

Compositions are disclosed that are processable into capstocks having a reduced gloss appearance, high impact strength and superior weatherability. The capstocks described herein are especially useful for extrusion into articles. They are also useful for application to various poor weathering struct

Compositions are disclosed that are processable into capstocks having a reduced gloss appearance, high impact strength and superior weatherability. The capstocks described herein are especially useful for extrusion into articles. They are also useful for application to various poor weathering structural plastic articles for preparing multilayered composites having improved weatherability. Methods for manufacturing structural plastic capstocks and composites and articles produced therefrom having reduced gloss appearance are also described.

대표청구항 ▼

Compositions are disclosed that are processable into capstocks having a reduced gloss appearance, high impact strength and superior weatherability. The capstocks described herein are especially useful for extrusion into articles. They are also useful for application to various poor weathering struct

Compositions are disclosed that are processable into capstocks having a reduced gloss appearance, high impact strength and superior weatherability. The capstocks described herein are especially useful for extrusion into articles. They are also useful for application to various poor weathering structural plastic articles for preparing multilayered composites having improved weatherability. Methods for manufacturing structural plastic capstocks and composites and articles produced therefrom having reduced gloss appearance are also described. ) which is dispersible or soluble in one or more organic solvents, and contains functional groups selected from the group consisting of hydroxyl, carboxylic acid and carboxylate groups and mixtures thereof, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons, an OH number of from 30 to 250 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g, and/or (A3) at least one polyurethane resin (A3) which is dispersible or soluble in one or more organic solvents, and contains functional groups selected from the group consisting of hydroxyl, carboxylic acids and carboxylate groups, and mixtures thereof, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons, an OH number of from 20 to 200 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g. 16. The coating composition as claimed in claim 1, further comprising a crosslinking agent (F') comprising at least one compound selected from the group consisting of epoxide compounds containing at least two epoxide groups per molecule, amino resins, blocked polyisocyanates, tris(alkoxycarbonylamino)triazines, siloxane and beta-hydroxyalkylamide, and mixtures thereof. 17. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) and/or (III) is present in an amount of from 1 to 80% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 18. The coating composition as claimed in claim 10, wherein component component (III) comprises at least one binder (A) dispersed or dissolved in water. 19. The coating composition as claimed in claim 10, wherein component (I) comprises at least one water soluble or dispersible binder (A) and component (III) comprises at least one binder (A) dispersed or dissolved in water. 20. The coating composition as claimed in claim 13, wherein component (III) comprises binder (A) selected from the group consisting of (A1) at least one acrylate copolymer (A1) which is dispersible or soluble in one or more organic solvents, and contains functional groups selected from the group consisting of hydroxyl, carboxylic acid and carboxylate groups and mixtures thereof, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons an OH number of from 40 to 200 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g (A2) at least one polyester resin (A2) which is dispersible or soluble in one or more organic solvents, and contains functional groups selected from the group consisting of hydroxyl, carboxylic acid and carboxylate groups and mixtures thereof, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons, an OH number of from 30 to 250 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g, and/or (A3) at least one polyurethane resin (A3) which is dispersible or soluble in one or more organics optionally water dilatable solvents, contains hydroxyl groups and carboxylic acid and/or carboxylate groups, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons, an OH number of from 20 to 200 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g. 21. The coating composition as claimed in claim 13, wherein components (I) and (III) comprise binder (A) selected from the group consisting of (A1) at least one acrylate copolymer (A1) which is dispersible or soluble in one or more organic solvents, and contains functional groups selected from the group consisting of hydroxyl, carboxylic acid and carboxylate groups and mixtures thereof, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons an OH number of from 40 to 200 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g (A2) at least one polyester resin (A2) which is dispersible or soluble in one or more organic solvents, and contains functional groups selected from the group consisting of hydroxyl, carboxylic acid and carboxylate groups and mixtures thereof, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons, an OH number of from 30 to 250 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g, and/or (A3) at least one polyurethane resin (A3) which is dispersible or soluble in one or more organics optionally water dilatable solvents, contains hydroxyl groups and carboxylic acid and/or carboxylate groups, and has a number average molecular weight Mn of between 1 000 and 30 000 daltons, an OH number of from 20 to 200 mg KOH/g, and an acid number of from 5 to 150 mg KOH/g. 22. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) is present in an amount of from 5 to 50% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 23. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) is present in an amount of from 10 to 35% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 24. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (III) is present in an amount of from 1 to 80% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 25. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (III) is present in an amount of from 5 to 50% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 26. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (III) is present in an amount of from 10 to 35% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 27. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) and (III) is present in an amount of from 1 to 80% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 28. The coating composition as claimed in claim 10, wherein component (III) comprises at least one binder (A) dispersed or dissolved in water. 29. The coating composition as claimed in claim 10, wherein component (I) comprises at least one water soluble or dispersible binder (A) and component (III) comprises at least one binder (A) dispersed or dissolved in water. 30. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) is present in an amount of from 5 to 50% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 31. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) is present in an amount of from 10 to 35% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 32. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (III) is present in an amount of from 1 to 80% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 33. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (III) is present in an amount of from 5 to 50% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 34. The coating composition as claimed in claim 1, wherein the functionalized alkane in component (I) is present in an amount of from 10 to 35% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 35. The coating composition as claimed in claim 1, wherein the functionalized alkane in components (I) and (III) is present in an amount of from 1 to 80% by weight, based in each case on the overall amount of binder (A) and functionalized alkanes. 36. The coating composition as claimed in claim 1, wherein the functionalized alkane in components (I) and (III) is present in an amount of from 5 to 50% by weight, based in each case on the overall amount of binder (A) and functionalized a