Claims
- 1. A curable coating composition comprising (A) a compound comprising a plurality of functional crosslinking groups, at least one of which is a primary carbamate or primary urea group, which compound also includes at least one ester or amide group derived from a reaction of an active hydrogen group with a lactone ring or a hydroxy carboxylic acid, and (B) a curing agent comprising a plurality of groups that are reactive with the functional groups on compound (A).
- 2. A curable coating composition according to claim 1 wherein said compound (A) comprises-at least one carbamate group.
- 3. A curable coating composition according to claim 1 wherein said compound (A) comprises at least one urea group.
- 4. A curable coating composition according to claim 2 wherein said compound (A) comprises a plurality of carbamate or urea groups.
- 5. A curable coating composition according to claim 2 wherein said compound (A) comprises a plurality of carbamate groups.
- 6. A curable coating composition according to claim 1 wherein said compound (A) comprises at least one hydroxy functional and at least one carbamate or urea functional group.
- 7. A curable coating composition according to claim 6 wherein said compound (A) comprises at least one hydroxyl functional group and at least one carbamate functional group.
- 8. A curable coating composition according to claim 1 wherein said compound (A) includes at least one polyester segment derived from a lactone ring-opening chain extension reaction.
- 9. A curable coating composition according to claim 1 wherein said ester or amide group is derived from a reaction of an active hydrogen group with a lactone ring.
- 10. A curable coating composition according to claim 9 wherein said lactone is .epsilon.-caprolactone.
- 11. A curable coating composition according to claim 1 wherein compound (B) is an aminoplast.
- 12. A curable coating composition according to claim 10 wherein said aminoplast is a melamine resin.
- 13. A curable coating composition according to claim 1 having a VOC of less than 3.0 lbs/gal.
- 14. A curable coating composition according to claim 13 having a VOC of less than 2.0 lbs/gal.
- 15. A curable coating composition according to claim 13 having a VOC of less than 1.0 lbs/gal.
- 16. A curable coating composition according to claim 1 that is a liquid and comprises less than 30 weight percent of nonreactive organic solvent.
- 17. A curable coating composition according to claim 16 that is a liquid and comprises less than 20 weight percent of nonreactive organic solvent.
- 18. A curable coating composition according to claim 16 that is a liquid and comprises less than 10 weight percent of nonreactive organic solvent.
- 19. A curable coating composition according to claim 1 that is a clear coating composition.
- 20. A coating composition according to claim 1, further comprising a pigment.
- 21. An article comprising a substrate having thereon a cured coating derived from a coating composition according to any of claims 1-20.
- 22. An article according to claim 21 wherein said substrate is a flexible substrate.
Parent Case Info
This is a continuation of application Ser. No. 08/540,279, filed Oct. 6, 1995 now abandoned.
US Referenced Citations (28)
Foreign Referenced Citations (4)
Number |
Date |
Country |
B-6222090 |
Mar 1992 |
AUX |
636660 |
Feb 1995 |
EPX |
WO8700851 |
Feb 1987 |
WOX |
WO 9410211 |
May 1994 |
WOX |
Continuations (1)
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Number |
Date |
Country |
Parent |
540279 |
Oct 1995 |
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