Coating composition comprising N-vinyl-2-pyrrolidone and an oligomer

Claim 2

A coating composition comprising; A. an oligomer of Formula I: ##STR4## wherein: R 1 is hydrogen or methyl; R 2 is lower alkylene; R 3 is saturated aliphatic or cycloaliphatic; X is --O-- or --NH--; n is an integer from 2 to 50 inclusive; B. n-vinyl-2-pyrrolidone; C. an acrylic acid ester having a boiling point of at least 200° C. at 760 mm Hg, wherein the weight ratio A:B is from 1:9 to 9:1; and wherein the weight ratio A:C is from 1:9 to 9:1.

Claim 3

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 4

The coating composition of claim 2 wherein the addition polymerization inhibitor is present in an amount from 0.01 to 2 weight percent based upon the weight of the composition.

Claim 5

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 6

The coating composition of claim 4 wherein the photo-initiator is present in an amount from 0.01 to 5 weight percent based upon the weight of the composition.

Claim 7

A coating composition of claim 1 which is photo-polymerizable in the presence of ultra-violet light to produce an adherent coating that is flexible, scratch-resistant, stain-resistant, abrasion-resistant, and solvent-resistant, said coating composition consisting essentially of; A. an oligomer of Formula II: ##STR5## wherein "n" is 5 to 20 B. N-vinyl-2-pyrrolidone; C. 1-4 butanedioldiacrylate D. a photo-initiator present in an amount from 0.01 to 5 weight percent based on the weight of the composition; E. an addition polymerization inhibitor present in an amount from 0.01 to 2 weight 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 8

A process for coating a substrate comprising in sequence the steps of: I. contacting the substrate with a coating composition comprising: A. an oligomer of Formula I: ##STR6## 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. an acrylic acid ester having a boiling point of at least 200° C. at 760 mm Hg. and a photo-initiator to form a coated substrate, Ii. exposing the coated substrate to radiation until an adherent dry polymerized coating is formed on the substrate.

Claim 9

A process for coating a substrate comprising in sequence the steps of: I. contacting the substrate with a coating composition comprising: A. an oligomer of Formula I: ##STR6## 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. an acrylic acid ester having a boiling point of at least 200° C. at 760 mm Hg. and a photo-initiator to form a coated substrate, Ii. exposing the coated substrate to radiation until an adherent dry polymerized coating is formed on the substrate.

Claim 10

A coating composition comprising: A. an oligomer of Formula I: ##STR7## wherein: R 1 is a hydrogen or methyl; R 2 is lower alkylene wherein the number of carbon atoms is 2-6; R 3 is saturated aliphatic or cycloaliphatic wherein the number of carbon atoms is 6-17; X is --O-- or --NH--; n is an integer from 2 to 50 inclusive; B. n-vinyl-2-pyrrolidone; C. an acrylic acid ester selected from the group consisting of:

Claim 11

A coating composition comprising: A. an oligomer of Formula I: ##STR7## wherein: R 1 is a hydrogen or methyl; R 2 is lower alkylene wherein the number of carbon atoms is 2-6; R 3 is saturated aliphatic or cycloaliphatic wherein the number of carbon atoms is 6-17; X is --O-- or --NH--; n is an integer from 2 to 50 inclusive; B. n-vinyl-2-pyrrolidone; C. an acrylic acid ester selected from the group consisting of:

Claim 12

4-butanedioldiacrylate, 1,6-hexanedioldiacrylate, neopentylglycoldiacrylate, pentaerythritoltetramethacrylate, trimethylolpropane-triacrylate, ethylhexylacrylate, ethylhexyl-methacrylate, pentyl-acrylate, hexyl-acrylate, and cyclohexyl-methacrylate, wherein the weight ratio A:B is from 1:9 to 9:1; and wherein the weight ratio A:C is from 1:9 to 9:1.

Claim 13

4-butanedioldiacrylate, 1,6-hexanedioldiacrylate, neopentylglycoldiacrylate, pentaerythritoltetramethacrylate, trimethylolpropane-triacrylate, ethylhexylacrylate, ethylhexyl-methacrylate, pentyl-acrylate, hexyl-acrylate, and cyclohexyl-methacrylate, wherein the weight ratio A:B is from 1:9 to 9:1; and wherein the weight ratio A:C is from 1:9 to 9:1.