One Component UV Curable Compositions And Methods For Making Same

Abstract

A composition is provided and includes an unsaturated (meth)acrylate polymer or oligomer, an allophanate unsaturated urethane (meth)acrylate, a lactone-containing (meth)acrylate, a first reactive diluent, an adhesion promoter, a second reactive diluent, a light stabilizer, and a photoinitiator.

What is claimed is: 
     
         1 . A composition comprising:
 an unsaturated (meth)acrylate polymer or oligomer in an amount of about 25 to about 45 percent by weight, the unsaturated (meth)acrylate polymer or oligomer is a reaction product of a first composition having:
 an organic polyisocyanate, 
 a polyol having a number average molecular weight of from 600 to 4000 g/mol; at least one of: (1) a hydroxyl-functional (meth)acrylate, and (2) an unsaturated (meth)acrylate polyol based on a polyester, a polyether, a polythioether, a polyacetal, a polycarbonate, a dimer fatty alcohol and/or an esteramide, in each case with a number average molecular weight of 400 to 8000 g/mol, at an isocyanate to hydroxyl equivalent ratio of from 0.5:1 to 1:0.5; 
   an allophanate unsaturated urethane (meth)acrylate in an amount of about 5 to about 25 percent by weight;   a lactone-containing (meth)acrylate in an amount of about 2 to about 12 percent by weight; and   a first reactive diluent in an amount of about 5 to about 25 percent by weight, the first reactive diluent having a monomer.   
     
     
         2 . The composition of  claim 1 , further comprising a first additive of a fluorinated urethane acrylate oligomer, a fluorinated acrylate oligomer, a fluorinated polyether, or a fluorinated oxetane oligomer. 
     
     
         3 . The composition of  claim 2 , wherein the first additive is present in an amount of about 0.5 to about 10 percent by weight. 
     
     
         4 . The composition of  claim 3 , wherein the first additive includes CN4002, Poly-Fox PF 3320, Ebecryl 8110, Fluoracryl 7298 or NTX13906. 
     
     
         5 . The composition of  claim 4 , wherein the first additive consists of about 1 to about 10 percent by weight of CN4002. 
     
     
         6 . The composition of  claim 5 , wherein the first additive consists of about 1 percent by weight of CN4002. 
     
     
         7 . The composition of  claim 4 , wherein the first additive consists of about 1 to about 10 percent by weight of Poly-Fox PF 3320. 
     
     
         8 . The composition of  claim 7 , wherein the first additive consists of about 1 percent by weight of Poly-Fox PF 3320. 
     
     
         9 . The composition of  claim 4 , wherein the first additive consists of about 1 to about 10 percent by weight of Ebecryl 8110. 
     
     
         10 . The composition of  claim 9 , wherein the first additive consists of about 1 percent by weight of Ebecryl 8110. 
     
     
         11 . The composition of  claim 4 , wherein the first additive consists of about 1 to about 10 percent by weight of Fluoracryl 7298. 
     
     
         12 . The composition of  claim 11 , wherein the first additive consists of about 1 percent by weight of Fluoracryl 7298. 
     
     
         13 . The composition of  claim 4 , wherein the first additive consists of about 1 to about 10 percent by weight of NTX13906. 
     
     
         14 . The composition of  claim 13 , wherein the first additive consists of about 1 percent by weight of NTX13906. 
     
     
         15 . The composition of  claim 3 , further comprising a surfactant in an amount up to about 0.3 percent by weight. 
     
     
         16 . The composition of  claim 15 , further comprising an adhesion promoter in an amount of about 1 to about 5 percent by weight. 
     
     
         17 . The composition of  claim 16 , further comprising a second reactive diluent in an amount of about 1 to about 5 percent by weight. 
     
     
         18 . The composition of  claim 17 , wherein the second reactive diluent includes a phosphoric acid ester. 
     
     
         19 . The composition of  claim 17 , further comprising a light stabilizer in an amount of about 0.5 to about 2 percent by weight. 
     
     
         20 . The composition of  claim 19 , further comprising a photoinitiator in an amount of about 0.5 to about 15 percent by weight. 
     
     
         21 . The composition of  claim 3 , further comprising one or more pigments. 
     
     
         22 . The composition of  claim 21 , wherein the one or more pigments comprise one or more of Bayferrox 318 NM, R960 TiO2, Raven 14. 
     
     
         23 . The composition of  claim 22 , comprising a dispersant. 
     
     
         24 . The composition of  claim 23 , wherein the dispersant comprises Disperbyk 111.