Claims
- 1. A curable composition comprising:
- (i) an acid-functional polymer comprising the free radical addition polymerization product of a mixture of monomers comprising:
- (a) 5% to 30% by weight of an unsaturated acid-functional monomer having the structure: ##STR6## wherein R.sup.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1 to about 20 carbons; and
- (b) 10% to about 40% by weight of a copolymerizable hydroxy-functional monomer; and
- (c) 30% to about 85% by weight of at least one other copolymerizable monomer
- (ii) a crosslinker reactive with hydroxyl groups.
- 2. A curable composition which comprises:
- (i) an acid-functional polymer comprising the free radical addition polymerization product of a mixture of monomers comprising:
- (a) 1% to 100% by weight of an unsaturated acid-functional monomer having the structure: ##STR7## wherein R.sup.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1 to about 20 carbons; and
- (b) 0% to 99% by weight of at least one other unsaturated monomer copolymerizable with the unsaturated acid-functional monomer; and
- (ii) a compound having an average of at least two functional groups per molecule which are reactive with acid groups.
- 3. The curable composition of claim 2 wherein the acid-functional polymer is the reaction product of 5 to about 30 weight percent of the unsaturated acid-functional monomer and 70 to about 95 weight percent of at least one other unsaturated monomer copolymerizable with the unsaturated acid-functional monomer.
- 4. The curable composition of claim 2 wherein the compound having an average of at least two functional groups per molecule reactive with acid groups is a polyepoxide.
- 5. The curable composition of claim 4 wherein the polyepoxide is a cycloaliphatic polyepoxide.
- 6. The curable composition of claim 4 wherein the polyepoxide is a polymer obtained by the polymerization of an ethylenically unsaturated epoxy-functional monomer and at least one other copolymerizable ethylenically unsaturated monomer.
- 7. The curable composition of claim 2 wherein Z is nothing.
- 8. The curable composition of claim 2 wherein Z is a divalent polymethylene chain --(--CH.sub.2 --).sub.n -- wherein n is 1 to 20.
- 9. A curable composition which comprises:
- (i) an acid-functional polymer comprising the free radical addition polymerization product of a mixture of monomers comprising:
- (a) 1% to 100% by weight of an unsaturated acid-functional monomer having the structure: ##STR8## wherein R.sup.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1 to about 20 carbons; and
- (b) 0% to 99% by weight of at least one other unsaturated monomer copolymerizable with the unsaturated acid-functional monomer; and
- (ii) an epoxy-functional compound; and
- (iii) an anhydride-functional compound having an average of at least two anhydride groups per molecule.
- 10. The curable composition of claim 9 wherein the acid-functional polymer is the reaction product of 5 to about 30 weight percent of the unsaturated acid-functional monomer and 70 to about 95 weight percent of at least one other unsaturated monomer copolymerizable with the unsaturated acid-functional monomer.
- 11. The curable composition of claim 9 wherein the epoxy-functional compound is monoepoxide.
- 12. The curable composition of claim 9 wherein the epoxy-functional compound is a polyepoxide having an average of at least two epoxy groups per molecule.
- 13. The curable composition of claim 12 wherein the polyepoxide is a cycloaliphatic polyepoxide.
- 14. The curable composition of claim 12 wherein the polyepoxide is a copolymer obtained by the copolymerization of an ethylenically unsaturated epoxy-functional monomer and at least one other copolymerizable ethylenically unsaturated monomer.
- 15. The curable composition of claim 9 wherein the anhydride-functional compound and the acid-functional polymer and the epoxy-functional compound are each present at a level to provide 0.3 to about 6.0 acid groups and 0.6 to 12.0 epoxy groups for each anhydride group.
- 16. The curable composition of claim 9 wherein the composition also comprises a catalyst for the reaction of acid groups and epoxy groups and a catalyst for the reaction of anhydride groups and hydroxyl groups.
- 17. A curable composition which comprises:
- (i) an acid-functional polymer comprising the free radical addition polymerization product of a mixture of monomers comprising:
- (a) 1% to 100% by weight of an unsaturated acid-functional monomer having the structure: ##STR9## wherein R.sub.1 is hydrogen or methyl and Z is nothing or is a divalent radical of 1 to about 20 carbons; and
- (b) 0% to 99% by weight of at least one other unsaturated monomer copolymerizable with the unsaturated acid-functional monomer; and
- (ii) an epoxy-functional compound; and
- (iii) an anhydride-functional compound having an average of at least two anhydride groups per-molecule; and
- (iv) a hydroxy-functional compound having an average of at least two hydroxyl groups per molecule.
- 18. The curable composition of claim 17 wherein the acid-functional polymer is the reaction product of 5 to about 30 weight percent of the unsaturated acid-functional monomer and 70 to about 95 weight percent of at least one other unsaturated monomer copolymerizable with the unsaturated acid-functional monomer.
- 19. The curable composition of claim 17 wherein the epoxy-functional compound is a monoepoxide.
- 20. The curable composition of claim 17 wherein the epoxy-functional compound is a polyepoxide having an average of at least two epoxy groups per molecule.
- 21. The curable composition of claim 20 wherein the polyepoxide is a cycloaliphatic polyepoxide.
- 22. The curable composition of claim 20 wherein the polyepoxide is a copolymer obtained by the copolymerization of an ethylenically unsaturated epoxy-functional monomer and at least one other copolymerizable ethylenically unsaturated monomer.
- 23. The curable composition of claim 17 wherein the anhydride-functional compound, the acid-functional polymer, the epoxy-functional compound and the hydroxy-functional compound are each present at a level to provide 0.5 to about 3.0 acid groups and 0.5 to about 4.0 epoxy groups and about 0.5 to about 6.0 hydroxyl groups for each anhydride group.
- 24. The curable composition of claim 17 wherein the composition also comprises a catalyst for the reaction of acid groups and epoxy groups and a catalyst for the reaction of anhydride groups and hydroxyl groups.
- 25. The curable composition of claim 17 wherein the hydroxy-functional compound (iv) is a hydroxy-functional polymer having a number average molecular weight of at least 400.
- 26. The curable composition of claim 17 wherein Z is nothing.
- 27. The curable composition of claim 17 wherein Z is a divalent polymethylene chain --(--CH.sub.2 --)-- wherein n is 1 to 20.
Parent Case Info
This is a divisional of applications Ser. No. 08/424,685 filed on Apr. 18, 1995, (now U.S. Pat. No. 5,510,440), which was in turn, a divisional of Ser. No. 08/176,606, filed Jan. 3, 1994 (now U.S. Pat. No. 5,410,078).
US Referenced Citations (14)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0723674 |
Dec 1965 |
CAX |
Non-Patent Literature Citations (2)
Entry |
Chemical Abstract 101: 131184q Vinyl citrates from citruc acid as new monomers (Muisers) et al. |
Makromol. Chem., Rapid Commun, 8 281-284 (1987) Copolymerization of 1-hexene-3,4-dioic anhydride and its thermal rearrangement products with styrene. |
Divisions (2)
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Number |
Date |
Country |
Parent |
424685 |
Apr 1995 |
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Parent |
176606 |
Jan 1994 |
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