Radiation curable coating composition comprising an oligomer, and an ultra-violet absorber

Claim 2

A radiation curable coating composition comprising an acryl urethane oligomer and a benzylidene acid ester ultra-violet light absorber of Formula IV: ##STR8## wherein R 4 is independently alkyl or hydroxy alkylene.

Claim 3

The coating composition of claim 1 further comprising a vinyl monomer copolymerizable with the oligomer.

Claim 4

The coating composition of claim 2 wherein the weight ratio of oligomer to vinyl monomer is from 1:9 to 9:1.

Claim 5

The coating composition of claim 1 further comprising an addition polymerization inhibitor present in an amount sufficient to avoid the auto-polymerization of the composition during storage.

Claim 6

The coating composition of claim 4 wherein the addition polymerization inhibitor is present in an amount from 100-300 PPM weight percent based upon the weight of the composition.

Claim 7

The coating composition of claim 1 further comprising a surfactant.

Claim 8

The coating composition of claim 6 wherein the surfactant is present in an amount from 0.1 to 5 weight percent based upon the weight of the composition.

Claim 9

The coating composition of claim 6 wherein the surfactant is a silicone surfactant.

Claim 10

The coating composition of claim 1 further comprising a photo-initiator present in an amount sufficient to initiate the desired polymerization under the influence of the amount of actinic light energy absorbed.

Claim 11

The coating composition of claim 9 wherein the photo-initiator is present in an amount from 0.01 to 5 weight percent based upon the weight of the composition.

Claim 12

The coating composition of claim 1 wherein the acrylic ultra-violet light absorber is present in an amount from 0.5 to 3 weight percent based on the weight of the composition.

Claim 13

A radiation curable coating composition comprising: A. an oligomer of Formula I: ##STR9## wherein R 1 is hydrogen or methyl; Y is a divalent urethane residue; B. a benzylidene acid ester ultra-violet light absorber of Formula IV: ##STR10## wherein R 4 is independently alkyl or hydroxy alkylene.

Claim 14

A radiation curable coating composition comprising: A. an oligomer of Formula I: ##STR9## wherein R 1 is hydrogen or methyl; Y is a divalent urethane residue; B. a benzylidene acid ester ultra-violet light absorber of Formula IV: ##STR10## wherein R 4 is independently alkyl or hydroxy alkylene.

Claim 15

A coating composition of claim 12 which is photo-polymerizable in the presence of ultra-violet light to produce an adherent coating that is weather-resistant, flexible, scratch-resistant, stain-resistant, abrasion-resistant, and solvent resistant, said coating composition consisting essentially of: A. an oligomer of Formula II: ##STR11## wherein: R 1 is hydrogen or methyl; R 2 is lower alkylene; R 3 is aliphatic or cycloaliphatic; X is --O-- or --NH--; N is an integer from 2 to 50 inclusive; B. N-vinyl-2-pyrrolidone; C. 1-4 butanedioldiacrylate; D. p-methoxy benzylidene malonic acid dimethyl ester present in an amount from 0.5 to 3 weight percent based on the weight of the composition; E. A photo-initiator present in an amount from 0.01 to 5 weight percent based on the weight of the composition; F. an addition polymerization inhibitor present in an amount from 100-300 PPM based on the weight of the composition; G. a silicone surfactant present in an amount from 0.1 to 5 percent based on the weight of the composition, wherein the ratio A:B is from 1:3 to 3:1, and wherein the ratio A:C is from 1:3 to 3:1.

Claim 16

A coating composition of claim 12 which is photo-polymerizable in the presence of ultra-violet light to produce an adherent coating that is weather-resistant, flexible, scratch-resistant, stain-resistant, abrasion-resistant, and solvent-resistant, said coating composition consisting essentially of: A. an oligomer of Formula III: ##STR12## wherein: R 1 is hydrogen or methyl; R 2 is lower alkylene; R 3 is aliphatic or cycloaliphatic; X is --O-- or --NH--; n is an integer from 2 to 50 inclusive; B. N-vinyl-2-pyrrolidone; C. 1-4 butanedioldiacrylate; D. p-methoxy benzylidene malonic acid dimethyl ester present in an amount from 0.5 to 3 weight percent based on the weight of the composition; E. A photo-initiator present in an amount from 0.01 to 5 weight percent based on the weight of the composition; F. an addition polymerization inhibitor present in an amount from 100-300 PPM based on the weight of the composition; G. a silicone surfactant present in an amount from 0.1 to 5 percent based on the weight of the composition, wherein the ratio A:B is from 1:3 to 3:1; and wherein the ratio A:C is from 1:3 to 3:1.

Claim 17

A laminate comprising a planar sheet of clear polyvinyl chloride with a film coating 0.1 to 10 mils in thickness comprising an acryl urethane oligomer and a benzylidene acid ester ultra-violet light absorber of Formula IV: ##STR13## wherein R 4 is independently alkyl or hydroxy alkylene.

Claim 18

A laminate comprising a planar sheet of clear polyvinyl chloride with a film coating 0.1 to 10 mils in thickness comprising an acryl urethane oligomer and a benzylidene acid ester ultra-violet light absorber of Formula IV: ##STR13## wherein R 4 is independently alkyl or hydroxy alkylene.

Claim 19

The laminate of claim 15 wherein the acryl urethane oligomer is represented by Formula I: ##STR14## wherein R 1 is hydrogen or methyl; and Y is a divalent urethane residue.

Claim 20

A laminate comprising a planar sheet of polycarbonate with a film coating 0.1 to 10 mils in thickness comprising an acryl urethane oligomer and p-methoxy benzylidene malonic acid dimethyl ester.

Claim 21

A laminate comprising a planar sheet of polycarbonate with a film coating 0.1 to 10 mils in thickness comprising an acryl urethane oligomer and p-methoxy benzylidene malonic acid dimethyl ester.

Claim 22

The laminate of claim 17 wherein the acryl urethane oligomer is represented by Formula I: ##STR15## wherein R 1 is hydrogen or methyl; and Y is a divalent urethane residue.