US4201642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation-curable coating composition having utility as a moisture barrier film
Assignee: Celanese Corp
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Filing: 1978-09-19
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Granted: 1980-05-06
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Expires: 1998-09-19
Abstract
Abstract This invention provides an ultraviolet radiation-curable coating composition which after curing has utility as a moisture barrier film for the protection of substrates such as paper and cardboard. Illustrative of the invention radiation-curable composition is a blend of components comprising (1) chlorinated rubber, (2) chlorinated paraffin; (3) vinyl acetate; (4) trimethylolpropane triacrylate; (5) photoinitiator; and (6) heat and light stabilizer for the chlorocarbon components. The invention composition cures as a substantially 100 percent solids system within one second at room temperature when exposed to ultraviolet radiation.
Inventors
- 👤 Michael T. Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:10
CPC Classifications
C; C08; C08F; C08F291/00; C08F291/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
95 words
A radiation-curable resin composition having utility as a moisture barrier film which comprises a blend of (1) between about 10 and 30 weight percent of chlorinated rubber; (2) between about 2 and 25 weight percent of chlorinated paraffin; (3) between about 15 and 45 weight percent of vinyl alkanoate; (4) between about 10 and 40 weight percent of crosslinking monomer containing at least two polymerizable olefinically unsaturated groups; (5) between about 0.5 and 15 weight percent of photoinitiator; and (6) between about 0.5 and 5 weight percent of stabilizer, based on the total composition weight.
Claim 2
Dependent Claim
95 words
A radiation-curable resin composition having utility as a moisture barrier film which comprises a blend of (1) between about 10 and 30 weight percent of chlorinated rubber; (2) between about 2 and 25 weight percent of chlorinated paraffin; (3) between about 15 and 45 weight percent of vinyl alkanoate; (4) between about 10 and 40 weight percent of crosslinking monomer containing at least two polymerizable olefinically unsaturated groups; (5) between about 0.5 and 15 weight percent of photoinitiator; and (6) between about 0.5 and 5 weight percent of stabilizer, based on the total composition weight.
Claim 3
Dependent Claim
18 words
A curable resin composition in accordance with claim 1 which is substantially a 100 percent solids coating system.
Claim 4
Dependent Claim
37 words
A curable resin composition in accordance with claim 1 wherein the chlorinated rubber component has a molecular weight in the range between about 10,000 and 500,000 and a chlorine content between about 20 and 60 weight percent.
Claim 5
Dependent Claim
34 words
A curable resin composition in accordance with claim 1 wherein the chlorinated paraffin component contains between about 18 and 36 carbon atoms and has a chlorine content between about 40 and 80 weight percent.
Claim 6
Dependent Claim
22 words
A curable resin composition in accordance with claim 1 wherein the vinyl alkanoate component contains between 4 and about 6 carbon atoms.
Claim 7
Dependent Claim
33 words
A curable resin composition in accordance with claim 1 wherein the crosslinking monomer component contains 2-4 polymerizable olefinically unsaturated groups, and has a molecular weight in the range between about 120 and 600.
Claim 8
Dependent Claim
103 words
An ultraviolet radiation-curable coating composition having utility as a moisture barrier protective film which comprises a blend of (1) between about 15 and 25 weight percent of chlorinated rubber; (2) between about 5 and 20 weight percent of chlorinated paraffin; (3) between about 20 and 35 weight percent vinyl acetate; (4) between about 15 and 35 weight percent of crosslinking monomer selected from trimethylolpropane triacrylate and trimethylolpropane trimethacrylate; (5) between about 1 and 10 weight percent of photoinitiator; and (6) between about 1 and 4 weight percent of heat and light stabilizer for the chlorocarbon components, all based on the total composition weight.
Claim 9
Dependent Claim
103 words
An ultraviolet radiation-curable coating composition having utility as a moisture barrier protective film which comprises a blend of (1) between about 15 and 25 weight percent of chlorinated rubber; (2) between about 5 and 20 weight percent of chlorinated paraffin; (3) between about 20 and 35 weight percent vinyl acetate; (4) between about 15 and 35 weight percent of crosslinking monomer selected from trimethylolpropane triacrylate and trimethylolpropane trimethacrylate; (5) between about 1 and 10 weight percent of photoinitiator; and (6) between about 1 and 4 weight percent of heat and light stabilizer for the chlorocarbon components, all based on the total composition weight.
Claim 10
Dependent Claim
18 words
A curable resin composition in accordance with claim 7 which is substantially a 100 percent solids coating system.
Claim 11
Dependent Claim
37 words
A curable resin composition in accordance with claim 7 wherein the chlorinated rubber component has a molecular weight in the range between about 10,000 and 500,000 and a chlorine content between about 20 and 60 weight percent.
Claim 12
Dependent Claim
34 words
A curable resin composition in accordance with claim 7 wherein the chlorinated paraffin component contains between about 18 and 36 carbon atoms and has a chlorine content between about 40 and 80 weight percent.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-06 | 1983-11-05 | 1984-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-06 | 1987-11-05 | 1988-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-06 | 1991-11-05 | 1992-05-06 | $7700.00 | Window Closed / Lapsed |