US4371605A
Expired / Lapsed
US
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Photopolymerizable compositions containing N-hydroxyamide and N-hydroxyimide sulfonates
Assignee: EIDP Inc
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Filing: 1980-12-09
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Granted: 1983-02-01
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Expires: 2000-12-09
Abstract
Abstract A photopolymerizable composition and a photoimaging element. The photopolymerizable composition is a cationically polymerizable organic composition and a photoinitiator which is a N-hydroxyamide, or N-hydroxyimide, sulfonate.
Inventors
- 👤 Carl A. Renner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50; C08G; C08G85/00; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115; Y10S430/12; Y10S430/121; Y10S430/122
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
137 words
The cationically photopolymerizable composition consisting essentially of (A) a cationically polymerizable organic composition; and (B) a photoinitiator which is a photosensitive sulfonic acid ester of a N-hydroxyamide or N-hydroxyimide, wherein the cationically polymerizable organic composition (A) is a monomeric or prepolymeric epoxide; the photoinitiator (B) is of the formula ##STR7## wherein R 2 is a monovalent or divalent organic group selected from aliphatic, cycloaliphatic, and aromatic groups; R is a monovalent organic group selected from aliphatic, cycloaliphatic, and aromatic groups; R 1 is H, a monovalent aliphatic or cycloaliphatic organic group or ##STR8## Q is the divalent group which when combined with ##STR9## forms a 5-7 membered ring; and n is 1 or 2; and ##STR10## which contains, in addition to the essential components, (A) and (B), at least one nonessential additive which is a photosensitizing compound.
Claim 2
Dependent Claim
137 words
The cationically photopolymerizable composition consisting essentially of (A) a cationically polymerizable organic composition; and (B) a photoinitiator which is a photosensitive sulfonic acid ester of a N-hydroxyamide or N-hydroxyimide, wherein the cationically polymerizable organic composition (A) is a monomeric or prepolymeric epoxide; the photoinitiator (B) is of the formula ##STR7## wherein R 2 is a monovalent or divalent organic group selected from aliphatic, cycloaliphatic, and aromatic groups; R is a monovalent organic group selected from aliphatic, cycloaliphatic, and aromatic groups; R 1 is H, a monovalent aliphatic or cycloaliphatic organic group or ##STR8## Q is the divalent group which when combined with ##STR9## forms a 5-7 membered ring; and n is 1 or 2; and ##STR10## which contains, in addition to the essential components, (A) and (B), at least one nonessential additive which is a photosensitizing compound.
Claim 3
Dependent Claim
49 words
The composition of claim 1 wherein the photosensitizing compound is an aromatic or substituted aromatic hydrocarbon which is present in an amount which is about 1 to 20 percent by weight, based on the total combined weight of the photoinitiator, the cationically polymerizable organic composition and the nonessential additives.
Claim 4
Dependent Claim
100 words
The composition of claim 2 wherein R 2 is a C 1 to C 10 hydrocarbyl group or a substituted C 1 to C 10 hydrocarbyl group wherein the substituent is selected from F, Cl, Br, NO 2 , CN, .sup.⊕ N (CH 3 ) 3 , C 6 H 5 , C 6 F 5 and OCH 3 ; Q, when combined with ##STR11## forms a 5-7 membered ring which contains only one nitrogen atom and no other hetero atoms; and n is 1; R is aryl; R 1 is H, C 1 to C 4 alkyl, or ##STR12##
Claim 5
Dependent Claim
14 words
The composition of claim 3 wherein R 2 is CF 2 CF 2 H.
Claim 6
Dependent Claim
10 words
The composition of claim 3 wherein R 2 is perfluoroalkyl.
Claim 7
Dependent Claim
10 words
The composition of claim 5 wherein R 2 is trifluoromethyl.
Claim 8
Dependent Claim
18 words
The composition of claim 1 wherein the composition contains in addition to (A) and (B), a polymeric binder.
Claim 9
Dependent Claim
40 words
The composition of claim 7 wherein the polymeric binder is present in an amount which is about 10 to 85%, by weight, based on the total combined weight of the photoinitiator, the cationically polymerizable organic composition and the nonessential additives.
Claim 10
Dependent Claim
16 words
The composition of claim 8 wherein the cationically polymerizable organic composition (A) is a melamine resin.
Claim 11
Dependent Claim
49 words
The cationically photopolymerizable composition consisting essentially of (A) a cationically polymerizable organic composition selected from the group consisting of a monomeric or prepolymeric epoxide, a melamine resin and a mixture of the above; and (B) a photoinitiator which is a photosensitive sulfonic acid ester of a N-hydroxyamide or N-hydroxyimide.
Claim 12
Dependent Claim
49 words
The cationically photopolymerizable composition consisting essentially of (A) a cationically polymerizable organic composition selected from the group consisting of a monomeric or prepolymeric epoxide, a melamine resin and a mixture of the above; and (B) a photoinitiator which is a photosensitive sulfonic acid ester of a N-hydroxyamide or N-hydroxyimide.
Claim 13
Dependent Claim
13 words
The composition of claim 10 wherein (A) is a monomeric or prepolymeric epoxide.
Claim 14
Dependent Claim
21 words
The composition of claim 10 wherein (A) is a melamine resin or a mixture thereof with a monomeric or prepolymeric epoxide.
Claim 15
Dependent Claim
29 words
The composition of claim 10 wherein the photoinitiator is present in an amount which is about 0.1 to about 10 percent, by weight, of the cationically polymerizable organic composition.
Claim 16
Dependent Claim
21 words
The composition of claim 10 which contains, in addition to the essential components, (A) and (B), at least one nonessential additive.
Claim 17
Dependent Claim
23 words
The composition of claim 11 wherein the epoxide is an epoxy novolak resin of molecular weight 1270 and epoxy equivalent weight of 235.
Claim 18
Dependent Claim
15 words
The composition of claim 12 wherein the melamine resin is a methylated/butylated (1/1) melamine resin.
Claim 19
Dependent Claim
29 words
The composition of claim 13 wherein the photoinitiator is present in an amount which is about 0.2 to about 5 percent, by weight, of the cationically polymerizable organic composition.
Claim 20
Dependent Claim
18 words
The composition of claim 14 wherein the composition contains in addition to (A) and (B), a polymeric binder.
Claim 21
Dependent Claim
86 words
The composition of claim 14 wherein the photoinitiator (B) is of the formula ##STR13## wherein R 2 is a monovalent or divalent organic group selected from aliphatic, cycloaliphatic, and aromatic groups; R is a monovalent organic group selected from aliphatic, cycloaliphatic, and aromatic groups; R 1 is H, a monovalent aliphatic or cycloaliphatic organic group or ##STR14## Q is the divalent group which when combined with ##STR15## forms a 5-7 membered ring; and n is 1 or 2; and the non-essential additive is a photosensitive compound.
Claim 22
Dependent Claim
40 words
The composition of claim 18 wherein the polymeric binder is present in an amount which is about 10 to 85%, by weight, based on the total combined weight of the photoinitiator, the cationically polymerizable organic composition and the nonessential additives.
Claim 23
Dependent Claim
49 words
The composition of claim 19 wherein the photosensitizing compound is an aromatic or substituted aromatic hydrocarbon which is present in an amount which is about 1 to 20 percent by weight, based on the total combined weight of the photoinitiator, the cationically polymerizable organic composition and the nonessential additives.
Claim 24
Dependent Claim
16 words
The composition of claim 20 wherein the cationically polymerizable organic composition (A) is a melamine resin.
Claim 25
Dependent Claim
100 words
The composition of claim 21 wherein R 2 is a C 1 to C 10 hydrocarbyl group or a substituted C 1 to C 10 hydrocarbyl group wherein the substituent is selected from F, Cl, Br, NO 2 , CN, .sup.⊕ N (CH 3 ) 3 , C 6 H 5 , C 6 F 5 and OCH 3 ; Q, when combined with ##STR16## forms a 5-7 membered ring which contains only one nitrogen atom and no other hetero atoms; and n is 1; R is aryl; R 1 is H, C 1 to C 4 alkyl, or ##STR17##
Claim 26
Dependent Claim
14 words
The composition of claim 23 wherein R 2 is CF 2 CF 2 H.
Claim 27
Dependent Claim
10 words
The composition of claim 23 wherein R 2 is perfluoroalkyl.
Claim 28
Dependent Claim
10 words
The composition of claim 25 wherein R 2 is trifluoromethyl.
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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) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |