Claims
- 1. An actinic radiation curable prepolymeric composition of matter characterized by the presence of terminal unsaturation consisting essentially of the reaction product of:
- (a) from about 1.0 to about 48.0 mole percent of a hydroxyalkyl ester of an alpha, beta unsaturated carboxylic acid, wherein the alkyl group of the ester moiety contains from 2 to 20 carbon atoms, and the acid moiety contains from 3 to 4 carbon atoms;
- (b) from about 1.0 to about 48.0 mole percent of at least one polymerizable free-radical initiator activatable by actinic radiation and selected from the group consisting of tetrachlorophthalic anhydride, tetrabromophthalic anhydride and 1,4,5,6,7,7-hexachloro-5-norbornene-2,3-dicarboxylic anhydride and mixtures thereof;
- (c) from about 1.0 to about 48.0 mole percent of at least one nonhalogenated cyclic anhydride containing from 4 to 10 carbon atoms; and
- (d) from about 1.0 to about 48.0 mole percent of at least one epoxide containing 2 to 8 carbon atoms and selected from the group consisting of epoxyalkyl acrylates and methacrylates and alkylene oxides.
- 2. The actinic radiation curable composition of claim 1 wherein there is additionally present up to an equimolar amount of at least one nonchemically bonded, copolymerizable acrylic diluent monomer selected from the group consisting of acrylic and methacrylic acids; the hydroxyalkyl esters of said acids, wherein the alkyl chains contain from 2 to 20 carbon atoms; the glycidyl ester derivatives of said acids; the non-gem alkanediol ester derivatives of said acids, wherein the alkyl groups contain from 2 to 20 carbon atoms; the ethylene glycol and polyethylene glycol ester derivatives of said acids; the polyhydric alcohol ester derivatives of said acids; and the cycloalkyl ester derivatives of said acids, wherein the cycloalkyl groups contain from 5 to 14 carbon atoms.
- 3. The actinic radiation curable composition of claim 1 wherein said component (a) is 2-hydroxyethyl acrylate.
- 4. The actinic radiation curable composition of claim 1 wherein said component (a) is 2-hydroxyethyl methacrylate.
- 5. The actinic radiation curable composition of claim 1 wherein said component (c) is selected from the group consisting of succinic anhydride, maleic anhydride, phthalic anhydride and mixtures thereof.
- 6. The actinic radiation curable composition of claim 1 wherein said component (d) is selected from the group consisting of glycidyl acrylate, glycidyl methacrylate, epichlorohydrin and mixtures thereof.
- 7. The actinic radiation curable composition of claim 1 comprising (a) from 6.0 to 15.0 mole percent of a member of the group consisting of 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate and mixtures thereof; (b) from 6.0 to 15.0 mole percent of a photoinitiator selected from the group consisting of tetrachlorophthalic anhydride, tetrabromophthalic anhydride and 1,4,5,6,7,7-hexachloro-3-norbornene-2,3-dicarboxylic anhydride and mixtures thereof; (c) from 28.0 to 40.0 mole percent of a member of the group consisting of succinic anhydride, phthalic anhydride, maleic anhydride and mixtures thereof; and (d) from 42.0 to 47.0 mole percent of a member of the group consisting of epichlorohydrin, glycidyl methacrylate, glycidyl acrylate and mixtures thereof.
- 8. A cured composition of matter prepared by exposing the composition of claim 1 to actinic radiation of 2000 to 4000 A.
- 9. A coated article comprising a substrate and on said substrate a coating of a cured composition according to claim 8.
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part of our U.S. application, Ser. No. 453,817, filed Mar. 22, 1974 now abandoned.
US Referenced Citations (13)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
453817 |
Mar 1974 |
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