US4248958A
Expired / Lapsed
US
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Photopolymerizable mixture containing polyurethanes
Assignee: Hoechst AG
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Filing: 1979-05-23
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Granted: 1981-02-03
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Expires: 1999-05-23
Abstract
Abstract This invention relates to a photopolymerizable mixture comprising a polymeric binder which is soluble or swellable in aqueous-alkaline solutions, a photoinitiator, a compound with at least two terminal acrylic or methacrylic acid ester groups and a boiling point above 100° C. which is capable of addition polymerization, and a polyurethane corresponding to the following Formula I ##STR1## wherein --X-- is one of the following groups: ##STR2## Y is a saturated aliphatic or cycloaliphatic group with 2 to 12 carbon atoms, Z is ##STR3## R 1 is R 4 or CONH--R 4 , R 2 and R 3 are hydrogen atoms or methyl groups, R 4 is a saturated aliphatic group with 1 to 20 carbon atoms, n is zero or a whole number from 1 to 15, m is a whole number from 2 to 4, p is zero or a whole number from 1 to 4, k is a whole number from 2 to 12, r is a whole number from 4 to 12, n+p is a whole number from 1 to 19, and wherein R 1 is R 4 if p=0, and R 1 is CONH--R 4 if n=0. The invention also relates to a light-sensitive transfer material including the photopolymerizable mixture.
Inventors
- 👤 Raimund J. Faust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/032; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/107
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
205 words
A photopolymerizable mixture comprising a polymeric binder which is soluble or swellable in aqueous-alkaline solutions, a photoinitiator, a compound with at least two terminal acrylic or methacrylic acid ester groups and a boiling point above 100° C. which is capable of addition polymerization, and between 5 and 40 percent by weight, based on the weight of non-volatile components of the mixture, of a polyurethane corresponding to the following Formula I ##STR8## wherein --X-- is one of the following groups: ##STR9## Y is a saturated aliphatic or cycloaliphatic group with 2 to 12 carbon atoms, Z is ##STR10## R 1 is R 4 or CONH--R 4 , R 2 and R 3 are hydrogen atoms or methyl groups, R 4 is a saturated aliphatic group with 1 to 20 carbon atoms, n is zero or a whole number from 1 to 15, m is a whole number from 2 to 4, p is zero or a whole number from 1 to 4, k is a whole number from 2 to 12, r is a whole number from 4 to 12, n+p is a whole number from 1 to 19, and wherein R 1 is R 4 if p=0, and R 1 is CONH--R 4 if n=0.
Claim 2
Dependent Claim
205 words
A photopolymerizable mixture comprising a polymeric binder which is soluble or swellable in aqueous-alkaline solutions, a photoinitiator, a compound with at least two terminal acrylic or methacrylic acid ester groups and a boiling point above 100° C. which is capable of addition polymerization, and between 5 and 40 percent by weight, based on the weight of non-volatile components of the mixture, of a polyurethane corresponding to the following Formula I ##STR8## wherein --X-- is one of the following groups: ##STR9## Y is a saturated aliphatic or cycloaliphatic group with 2 to 12 carbon atoms, Z is ##STR10## R 1 is R 4 or CONH--R 4 , R 2 and R 3 are hydrogen atoms or methyl groups, R 4 is a saturated aliphatic group with 1 to 20 carbon atoms, n is zero or a whole number from 1 to 15, m is a whole number from 2 to 4, p is zero or a whole number from 1 to 4, k is a whole number from 2 to 12, r is a whole number from 4 to 12, n+p is a whole number from 1 to 19, and wherein R 1 is R 4 if p=0, and R 1 is CONH--R 4 if n=0.
Claim 3
Dependent Claim
25 words
A photopolymerizable mixture according to claim 1 in which in the compound corresponding to Formula I, n is a whole number from 1 to 11.
Claim 4
Dependent Claim
21 words
A photopolymerizable mixture according to claim 1 in which in the compound corresponding to Formula I, X is the group ##STR11##
Claim 5
Dependent Claim
22 words
A photopolymerizable mixture according to claim 3 in which in the compound corresponding to Formula I, R 2 is a hydrogen atom.
Claim 6
Dependent Claim
17 words
A photopolymerizable mixture according to claim 4 in which in the compound corresponding to Formula I, m=3.
Claim 7
Dependent Claim
22 words
A photopolymerizable mixture according to claim 1 in which in the compound corresponding to Formula I, R 3 is a hydrogen atom.
Claim 8
Dependent Claim
29 words
A photopolymerizable mixture according to claim 1 in which in the compound corresponding to Formula I, Y is a saturated aliphatic group with at least one lateral methyl group.
Claim 9
Dependent Claim
24 words
A photopolymerizable mixture according to claim 1 in which the compound capable of addition polymerization has at least two urethane groups in its molecule.
Claim 10
Dependent Claim
26 words
A photopolymerizable mixture according to claim 1 in which the binder is an acrylic or methacrylic acid copolymer with an acid number between 50 and 250.
Claim 11
Dependent Claim
56 words
A photopolymerizable mixture according to claim 9 in which the copolymer is a terpolymer of methacrylic acid, an alkyl methacrylate with 4 to 15 carbon atoms in the alkyl group, and a further monomer which can be copolymerized with the first two components and whose homopolymer has a glass transition temperature of at least 80° C.
References Cited (Backward Citations)
US3526504A
Cited
US3469982A
Cited
US3850770A
Cited
US3782961A
Cited
US4088498A
Cited
US3862920A
Cited
US3844790A
Cited
GB1441108A
Cited
US3907574A
Cited
US3951657A
Cited
US4019972A
Cited
US4078015A
Cited
US4116786A
Cited
US4139436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |