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US4151056A
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Radiation curable coating compositions containing alkanediones or cycloalkanediones
Assignee: Union Carbide Corp
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Filing: 1977-09-29
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Granted: 1979-04-24
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Expires: 1997-09-29
Abstract
Abstract Alkanediones or cycloalkanediones are employed as low-toxicity constituents in radiation curable coating compositions.
Inventors
- 👤 Kisoon Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:13
CPC Classifications
C; C08; C08F; C08F290/00; C08F290/02; C08F290/06; C08F8/00; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0838; C08G18/0842; C08G18/28; C08G18/40; C08G18/42; C08G18/4266; C08G18/4269; C08G18/4277; C08G18/48; C08G18/4833; C08G18/4837; C08G18/67; C08G18/671; C08G18/672; C08G18/70; C08G18/72; C08G18/74; C08G18/75; C08G18/751; C08G18/752; C08G18/753; C08G18/755; C08G18/76; C08G18/7614; C08G18/7621; C08J; C08J3/00; C08J3/28; C09; C09D; C09D175/00; C09D175/04; C09D175/14; C09D175/16; C08J2375/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
151 words
A radiation curable coating composition comprising: (A) from 20 to 80 weight percent of a radiation reactive oligomer or resin containing at least one ethylenically unsaturated site per molecule having a viscosity of from 100 cps. to 800,000 cps. at 25° C.; (b) from 5 to 30 weight percent of a dione compound chosen from the group consisting of, (i) alkanediones represented by the formula ##STR4## wherein x is 1 or 2 and R and R' are each alkyl of from 1 to 4 carbon atoms which may be the same as, or different from, each other, and (ii) cycloalkanediones of the formula ##STR5## wherein R" is methylene or ethylene and R'" is an alkylene segment completing a 5 to 8 carbon ring structure; (C) from 0 to 50 weight percent of a polyfunctional monomeric acrylate or or methacrylate crosslinker; and (D) from 0 to 10 weight percent of a photoinitiator.
Claim 2
Dependent Claim
151 words
A radiation curable coating composition comprising: (A) from 20 to 80 weight percent of a radiation reactive oligomer or resin containing at least one ethylenically unsaturated site per molecule having a viscosity of from 100 cps. to 800,000 cps. at 25° C.; (b) from 5 to 30 weight percent of a dione compound chosen from the group consisting of, (i) alkanediones represented by the formula ##STR4## wherein x is 1 or 2 and R and R' are each alkyl of from 1 to 4 carbon atoms which may be the same as, or different from, each other, and (ii) cycloalkanediones of the formula ##STR5## wherein R" is methylene or ethylene and R'" is an alkylene segment completing a 5 to 8 carbon ring structure; (C) from 0 to 50 weight percent of a polyfunctional monomeric acrylate or or methacrylate crosslinker; and (D) from 0 to 10 weight percent of a photoinitiator.
Claim 3
Dependent Claim
24 words
A radiation curable coating composition as claimed in claim 1, wherein said dione compound is chosen from the group consisting of 2,4-pentanedione and 2,5-hexanedione.
Claim 4
Dependent Claim
21 words
A radiation curable coating composition as claimed in claim 1, wherein said radiation reactive oligomer or resin is an acrylate-capped polyurethane.
Claim 5
Dependent Claim
24 words
A radiation curable coating composition as claimed in claim 1, wherein (B) is present at a concentration of from 10 to 20 weight percent.
Claim 6
Dependent Claim
24 words
A radiation curable coating composition as claimed in claim 1, wherein (D) is present at a concentration of from 1 to 5 weight percent.
Claim 7
Dependent Claim
24 words
A radiation curable coating composition as claimed in claim 1, wherein (A) is present at a concentration of from 30 to 70 weight percent.
Claim 8
Dependent Claim
64 words
A radiation curable coating composition as claimed in claim 1, wherein (A) is present at a concentration of from 30 to 70 weight percent; (B) is present at a concentration of from 10 to 20 weight percent; (C) is present at a concentration of from 10 to 50 weight percent; and (D) is present at a concentration of from 1 to 5 weight percent.
Claim 9
Dependent Claim
36 words
A radiation curable coating composition as claimed in claim 1, wherein there is additionally present up to 5 weight percent of a component chosen from the group consisting of nonreactive organic solvents and monofunctional monomeric acrylates.
Claim 10
Independent Claim
70 words
A method of reducing the viscosity of a radiation curable coating composition containing a radiation reactive oligomer or resin containing at least one ethylenically unsaturated site per molecule which comprises admixing therewith a dione compound represented by the formula: ##STR6## wherein x is 1 or 2 and R and R' are each alkyl of up to 4 carbon atoms, which may be the same as, or different from, each other.
Claim 11
Independent Claim
70 words
A method of reducing the viscosity of a radiation curable coating composition containing a radiation reactive oligomer or resin containing at least one ethylenically unsaturated site per molecule which comprises admixing therewith a dione compound represented by the formula: ##STR6## wherein x is 1 or 2 and R and R' are each alkyl of up to 4 carbon atoms, which may be the same as, or different from, each other.
Claim 12
Dependent Claim
21 words
A method as claimed in claim 9, wherein said dione compound is chosen from the group consisting of 2,4-pentanedione and 2,5-hexanedione.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-23 | 1982-10-23 | 1983-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-23 | 1986-10-23 | 1987-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-23 | 1990-10-23 | 1991-04-24 | $7700.00 | Window Closed / Lapsed |