CA1106524A
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CA
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Radiation curable coating composition comprising an oligomer, and an ultra-violet absorber
Assignee: GAF Corp
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Filing: 1978-11-20
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Granted: 1981-08-04
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Expires: 1998-11-20
Abstract
Abstract ABSTRACT OF THE DISCLOSURE A radiation curable coating comprising: A. An oligomer of Formula I: (I) wherein: R1 is hydrogen or methyl; Y is a divalent urethane residue; B. A benzylidene acid ester of Formula IV: (IV) wherein R4 is independently alkyl or hydroxy alkylene. Preferably the coating composition contains a vinyl monomer copolymerizable with the oligomer. The process for curing the coating is also disclosed.
Inventors
- 👤 Donald H. Lorenz
- 👤 Shu T. Tu
- 👤 Donald P. Wyman
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-03 01:14
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/09; G03F7/091; B; B05; B05D; B05D3/00; B05D3/06; C; C08; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50; C08F299/00; C08F299/02; C08F299/06; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/671; C08G18/672; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31507; Y10T428/31551; Y10T428/31554; Y10T428/31558; Y10T428/31573; Y10T428/3158; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
52 words
A radiation curable coating composition characterized by comprising in combination A. An acryl urethane oligomer of Formula I: (I) wherein R1 is hydrogen or methyl; Y is a divalent urethane residue, and B. A benzylidene acid ester ultra-violet light absorber of Formula IV: (IV) wherein R4 is independently alkyl or hydroxy alkylene.
Claim 2
Dependent Claim
52 words
A radiation curable coating composition characterized by comprising in combination A. An acryl urethane oligomer of Formula I: (I) wherein R1 is hydrogen or methyl; Y is a divalent urethane residue, and B. A benzylidene acid ester ultra-violet light absorber of Formula IV: (IV) wherein R4 is independently alkyl or hydroxy alkylene.
Claim 3
Dependent Claim
17 words
A coating composition according to claim 1 and further comprising a vinyl monomer copolymerizable with the oligomer.
Claim 4
Dependent Claim
13 words
A coating composition according to claim 2 wherein the vinyl monomer is N-vinyl-2-pyrrolidone.
Claim 5
Dependent Claim
21 words
A coating composition according to claim 2 wherein the weight ratio of oligomer to vinyl monomer is from 1:9 to 9:1.
Claim 6
Dependent Claim
21 words
A coating composition according to claim 3 wherein the weight ratio of oligomer to vinyl monomer is from 1:9 to 9:1.
Claim 7
Dependent Claim
31 words
A coating composition according to 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 8
Dependent Claim
31 words
A coating composition according to claim 2 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 9
Dependent Claim
31 words
A coating composition according to claim 3 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 10
Dependent Claim
31 words
A coating composition according to claim 4 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 11
Dependent Claim
31 words
A coating composition according to claim 5 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 12
Dependent Claim
50 words
A coating composition according to any of claims 1 to 3 wherein the oligomer is an oligomer of Formula II: (II) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 13
Dependent Claim
50 words
A coating composition according to any of claims 4 to 6 wherein the oligomer is an oligomer of Formula II: (II) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 14
Dependent Claim
50 words
A coating composition according to any of claims 7 to 9 wherein the oligomer is an oligomer of Formula II: (II) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 15
Dependent Claim
46 words
A coating composition according to claim 10 wherein the oligomer is an oligomer of Formula II: (II) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic, X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 16
Dependent Claim
50 words
A coating composition according to any of claims 1 to 3 wherein the oligomer is an oligomer of Formula III: (III) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 17
Dependent Claim
50 words
A coating composition according to any of claims 4 to 6 wherein the oligomer is an oligomer of Formula III: (III) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 18
Dependent Claim
50 words
A coating composition according to any of claims 7 to 9 wherein the oligomer is an oligomer of Formula III: (III) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 19
Dependent Claim
46 words
A coating composition according to claim 10 wherein the oligomer is an oligomer of Formula III: (III) wherein: R1 is hydrogen or methyl; R2 is lower alkylene; R3 is aliphatic or cycloaliphatic; X is -O- or -NH-; n is an integer from 2 to 50 inclusive.
Claim 20
Dependent Claim
112 words
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: (I) wherein: R1 is hydrogen or methyl; Y is a divalent urethane residue; B. A benzylidene acid ester ultra-violet light absorber of the Formula IV: (IV) wherein R4 is independently alkyl or hydroxy alkylene; C. A photoinitiator to form a coated substrate wherein the amount of B. is 0.5 to 3 weight percent based on the weight of the composition, II. Exposing the coated substrate to actinic radiation or electron beam radiation until an adherent dry polymerized weather resistant coating is formed on the substrate.
Claim 21
Dependent Claim
112 words
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: (I) wherein: R1 is hydrogen or methyl; Y is a divalent urethane residue; B. A benzylidene acid ester ultra-violet light absorber of the Formula IV: (IV) wherein R4 is independently alkyl or hydroxy alkylene; C. A photoinitiator to form a coated substrate wherein the amount of B. is 0.5 to 3 weight percent based on the weight of the composition, II. Exposing the coated substrate to actinic radiation or electron beam radiation until an adherent dry polymerized weather resistant coating is formed on the substrate.
Claim 22
Dependent Claim
68 words
A laminate comprising a planar sheet of clear polyvinyl chloride or a sheet of polycarbonate with a film coating 0.1 to 10 mils in thickness comprising A. An acryl urethane oligomer of Formula I: (I) wherein R1 is hydrogen or methyl; Y is a divalent urethane residue, and B. A benzylidene acid ester ultra-violet light absorber of Formula IV: (IV) wherein R1 is independently alkyl or hydroxy alkylene.
Claim 23
Dependent Claim
68 words
A laminate comprising a planar sheet of clear polyvinyl chloride or a sheet of polycarbonate with a film coating 0.1 to 10 mils in thickness comprising A. An acryl urethane oligomer of Formula I: (I) wherein R1 is hydrogen or methyl; Y is a divalent urethane residue, and B. A benzylidene acid ester ultra-violet light absorber of Formula IV: (IV) wherein R1 is independently alkyl or hydroxy alkylene.
References Cited (Backward Citations)
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