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1. A curable coating composition comprising a trifunctional oligomer, a monomer or monomer mixture selected from the group consisting of monofunctional monomers, difunctional monomers and mixtures thereof, a photoinitiator, a polyester resin, a supplemental adhesion promoter comprising a phosphoric acid ester, and a polycarboxylic acid, wherein the polyester resin comprises about 1% by weight of the composition. 2. The curable coating composition of claim 1, wherein the trifunctional oligomer comprises about 10% to about 80% by weight of the composition,...
1. A curable coating composition comprising a trifunctional oligomer, a monomer or monomer mixture selected from the group consisting of monofunctional monomers, difunctional monomers and mixtures thereof, a photoinitiator, a polyester resin, a supplemental adhesion promoter comprising a phosphoric acid ester, and a polycarboxylic acid, wherein the polyester resin comprises about 1% by weight of the composition. 2. The curable coating composition of claim 1, wherein the trifunctional oligomer comprises about 10% to about 80% by weight of the composition, the monomer or monomer mixture comprises about 25% to about 75% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 5% by weight of the composition, and the polycarboxylic acid comprises about 0.01% to about 10% by weight of the composition. 3. The curable coating composition of claim 1, wherein the curable coating composition is substantially free of organic solvent. 4. The curable coating composition of claim 1, wherein the curable coating composition comprises no more than about 5% by weight of an organic solvent. 5. The curable coating composition of claim 4, wherein the curable coating composition comprises no more than about 1% by weight of an organic solvent. 6. The curable coating composition of claim 2, wherein the trifunctional oligomer comprises about 20% to about 60% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 65% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 5% by weight of the composition, and the supplemental adhesion promoter comprises about 0.1% to about 5% by weight of the composition. 7. The curable coating composition of claim 1, wherein the trifunctional oligomer is a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight of from about 1,200 to about 3,000. 8. The curable coating composition of claim 7, wherein the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate, and mixtures thereof. 9. The curable coating composition of claim 8, wherein the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 1-hydroxy-cyclohexylphenylketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, phosphine derivatives and mixtures thereof. 10. The curable coating composition of claim 6, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, and the supplemental adhesion promoter comprises a phosphoric acid ester. 11. The curable coating composition of claim 6, wherein the trifunctional oligomer comprises about 20% to about 55% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 55% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 3% by weight of the composition, and the supplemental adhesion promoter comprises a phosphoric acid ester, wherein the monomer or monomer mixture comprises at least about 50% by weight of a monofunctional monomer. 12. The curable coating composition of claim 11, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, and the supplemental adhesion promoter is a phosphoric acid ester. 13. The curable coating composition of claim 1, wherein the curable coating composition further comprises a colorant. 14. The curable coating composition of claim 13, wherein the colorant is a pigment, the curable coating composition comprises a monofunctional monomer and a difunctional monomer, and wherein the weight ratio of the monofunctional monomer to the difunctional monomer ranges from about 1:1 to about 5:1. 15. The curable coating composition of claim 13, wherein the trifunctional oligomer comprises about 15% to about 60% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 65% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 5% by weight of the composition, and the polycarboxylic acid comprises about 0.01% to about 10% by weight of the composition. 16. The curable coating composition of claim 15, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, the supplemental adhesion promoter is a phosphoric acid ester, and the colorant is a pigment. 17. The curable coating composition of claim 16, wherein the trifunctional oligomer comprises about 40% to about 60% by weight of the composition, the monomer or monomer mixture comprises about 35% to about 55% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 5% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 3% by weight of the composition, and the pigment comprises about 0.1% to about 10% by weight of the composition, and wherein the monomer or monomer mixture comprises at least about 50% by weight of a monofunctional monomer. 18. The curable coating composition of claim 1, wherein the curable coating composition further comprises an aesthetic agent. 19. The curable coating composition of claim 18, wherein the curable coating composition comprises a monofunctional monomer and a difunctional monomer, and wherein the weight ratio of the monofunctional monomer to the difunctional monomer ranges from about 20:1 to about 5:1. 20. The curable coating composition of claim 18, wherein the trifunctional oligomer comprises about 15% to about 50% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 70% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 5% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 3% by weight of the composition, and the aesthetic agent comprises about 0.1% to about 30% by weight of the composition. 21. The curable coating composition of claim 20, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, the supplemental adhesion promoter comprises a phosphoric acid ester, and the aesthetic agent is selected from the group consisting of silica sand, quartz grit. silica, talc and mixtures thereof. 22. The curable coating composition of claim 21, wherein the trifunctional oligomer comprises about 20% to about 30% by weight of the composition, the monomer or monomer mixture comprises about 50% to about 60% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 3% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 3% by weight of the composition, and the aesthetic agent comprises about 0.1% to about 20% by weight of the composition. 23. The curable coating composition of claim 18, wherein the curable coating composition further comprises a colorant. 24. The curable coating composition of claim 23, wherein the trifunctional oligomer comprises about 15% to about 50% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 60% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 5% by weight of the composition, the aesthetic agent comprises about 0.1% to about 30% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 3% by weight of the composition, and the colorant comprises about 0.1% to about 15% by weight of the composition. 25. The curable coating composition of claim 24, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy-2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, the supplemental adhesion promoter comprises a phosphoric acid ester, the aesthetic agent is selected from the group consisting of silica sand, quartz grit, silica, talc, and mixtures thereof, and the colorant comprises a pigment. 26. The curable coating composition of claim 25, wherein the trifunctional oligomer comprises about 20% to about 30% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 45% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 3% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 3% by weight of the composition, the aesthetic agent comprises about 0.1% to about 20% by weight of the composition, and the pigment comprises about 0.1% to about 15% of the composition. 27. The curable coating composition of claim 1, wherein the curable coating composition is curable by UV radiation. 28. The curable coating composition of claim 27, wherein the curable coating composition is curable by at least two different UV wavelengths. 29. A coated composite substrate comprising a composite substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 1. 30. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 1. 31. The coated substrate of claim 30, wherein the substrate is a plastic substrate. 32. The coated substrate of claim 31, wherein the plastic substrate is a PVC substrate. 33. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 2. 34. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 6. 35. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 15. 36. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 17. 37. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 20. 38. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 22. 39. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 24. 40. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 26. 41. A curable coating composition comprising a trifunctional oligomer, a monomer or monomer mixture selected from the group consisting of monofunctional monomers difunctional monomers and mixtures thereof, aphotoinitiator, a supplemental adhesion promoter comprising a phosphoric acid ester, a polyester resin, and a polycarboxvlic acid, wherein the trifunctional oligomer comprises about 15% to about 60% by weight of the composition, the monomer or monomer mixture comprises about 30% to about 65% by weight of the composition, the photoinitiator comprises 0.001% to about 10% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 5% by weight of the composition, and the supplemental adhesion promoter comprises about 0.1% to about 5% by weight of the composition. 42. The curable coating composition of claim 41, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy -2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, and the supplemental adhesion promoter comprises a phosphoric acid ester. 43. The curable coating composition of claim 41, wherein the curable coating composition further comprises a colorant. 44. The curable coating composition of claim 43, wherein the trifunctional oligomer comprises a trifunctional aliphatic polyester urethane acrylate oligomer and has a molecular weight from about 1,200 to about 3,000, the monomer or monomer mixture is selected from the group consisting of isobornyl acrylate, isodecyl acrylate, 1,6 hexanediol diacrylate and mixtures thereof, the photoinitiator is selected from the group consisting of phenylbis(2,4,6-trimethylbenzoyl)-phosphine oxide, 2-hydroxy -2-methyl-1-phenyl-1-propanone, 1-hydroxy-cyclohexylphenylketone, phosphine derivatives and mixtures thereof, the polycarboxylic acid is unsaturated, the supplemental adhesion promoter is a phosphoric acid ester, and the colorant is a pigment. 45. The curable coating composition of claim 41, wherein the curable coating composition further comprises an aesthetic agent. 46. The curable coating composition of claim 42, wherein the curable coating composition is curable by UV radiation. 47. The curable coating composition of claim 46, wherein the curable coating composition is curable by pulsed UV radiation. 48. The curable coating composition of claim 41, wherein the curable coating composition comprises no more than about 1% by weight of an organic solvent. 49. A coated composite substrate comprising a composite substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 41. 50. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 41. 51. The coated substrate of claim 50, wherein the substrate is a plastic substrate. 52. The coated substrate of claim 51, wherein the plastic substrate is a PVC substrate. 53. A curable coating composition comprising a trifunctional oligomer, a monomer or monomer mixture selected from the group consisting of monofunctional monomers and difunctional monomers, a photoinitiator, a polyester resin, a supplemental adhesion promoter comprising a phosphoric acid ester, a polycarboxylic acid, a pigment, and an aesthetic agent, wherein the monomer or monomer mixture comprises about 30% to about 45% by weight of the composition, the polycarboxylic acid comprises about 0.01% to about 3% by weight of the composition, the polyester resin comprises about 1% by weight of the composition, the supplemental adhesion promoter comprises about 0.1% to about 5% by weight of the composition, the pigment comprises about 0.1% to about 10% by weight of the composition, and the aesthetic agent comprises about 1% to about 10% by weight of the composition. 54. A coated composite substrate comprising a composite substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 53. 55. A coated substrate comprising a substrate and a cured coating on the surface of the substrate, wherein the cured coating is formed by curing the curable coating composition of claim 53. 56. The coated substrate of claim 55, wherein the substrate is a plastic substrate. 57. The coated substrate of claim 56, wherein the plastic substrate is a PVC substrate. 58. A curable coating composition comprising a trifunctional oligomer, a monomer or monomer mixture selected from the group consisting of monofunctional monomers, difunctional monomers and mixtures thereof, a photoinitiator, a polyester resin, a supplemental adhesion promoter comprising a phosphoric acid ester or a mixture of phosphoric acid ester and an acrylic or acrylic acrylate, and a polycarboxylic acid, wherein the polyester resin comprises about 1% by weight of the composition. 59. A method for providing a substrate with a cured coating comprising applying a curable coating composition onto a composite substrate and curing the curable coating composition, wherein the curable coating composition comprises a trifunctional oligomer, a monomer or monomer mixture selected from the group consisting of monofunctional monomers, difunctional monomers and mixtures thereof, a photoinitiator, a polyester resin, a supplemental adhesion promoter comprising a phosphoric acid ester, and a polycarboxylic acid, wherein the polyester resin comprises about 1% by weight of the composition, wherein the composite substrate is selected from the group consisting of cementitious composite substrate, ceramic composite substrate, and engineered wood.
