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US4562142A
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Aqueous alkali developable photosensitive composition and photosensitive laminate
Assignee: Resonac Corp
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Filing: 1984-09-28
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Granted: 1985-12-31
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Expires: 2004-09-28
Abstract
Abstract Photosensitive composition comprising (a) an addition polymerizable compound of the general formula: ##STR1## wherein R 1 , R 2 , R 3 and R 4 are hydrogen atom or methyl group, and n+m=8 to 12, (b) an addition-poymerizable compound of the general formula: ##STR2## wherein Z is a cyclic dibasic acid residue, R 5 is a C 1 to C 3 alkylene group, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom, (c) a photoactivatable polymerization initiator, and (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000. Photosensitive laminate having a photosensitive layer formed from the composition has an excellent resistance to plating liquids as well as excellent etching resistance, chemical resistance, adhesion property to boards and developing property.
Inventors
- 👤 Hajime Kakumaru
- 👤 Nobuyuki Hayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:28
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/032; G03F7/033; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/30; C08F220/303; C08F222/00; C08F222/10; C08F222/1006; C08F222/102; C08F222/1025; C08F291/00; C08F291/06; C08F299/00; C08F299/02; C08F299/022; C08F299/024; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/111
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
67 words
A photosensitive composition, developable by aqueous alkali solution, consisting essentially of: 30 to 60 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR8## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided than n+m=8 to 12, and
Claim 2
Dependent Claim
67 words
A photosensitive composition, developable by aqueous alkali solution, consisting essentially of: 30 to 60 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR8## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided than n+m=8 to 12, and
Claim 3
Dependent Claim
68 words
(b) 5 to 15 parts by weight of an addition-polymerizable compound of the general formula (II): ##STR9## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 4
Dependent Claim
68 words
(b) 5 to 15 parts by weight of an addition-polymerizable compound of the general formula (II): ##STR9## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 5
Dependent Claim
52 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization initiator, and 40to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000.
Claim 6
Dependent Claim
52 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization initiator, and 40to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000.
Claim 7
Dependent Claim
50 words
The composition of claim 1, which consists essentially of 25 to 35 parts by weight of the component (a), 5 to 15 parts by weight of the component (b), 0.5 to 10.0 parts by weight of the component (c) and 40 to 70 parts by weight of the component (d).
Claim 8
Dependent Claim
20 words
A photosensitive composition which contains the composition of claim 1 admixed with a radical polymerization inhibitor and a coloring agent.
Claim 9
Dependent Claim
27 words
A photosensitive element, developable by aqueous alkali solution, comprising a photosensitive layer supported on a polymer film, said photosensitive layer having a composition according to claim 1.
Claim 10
Dependent Claim
43 words
The composition of claim 1, wherein said compound (a) has the formula: ##STR10## and compound (b) is 2-hydroxy-3-chloropropyl-2'-acryloyloxyethyl-o-phthalate, initiator (c) is 2-ethylanthraquinone and the linear copolymer (d) is a copolymer of 60% of methyl methacrylate, 20% of methyacrylic acid and 20% of 2-ethylhexylacrylate.
Claim 11
Dependent Claim
66 words
The composition of claim 1, wherein said photoactivatable polymerization initiator (c) is selected from the group consisting of 2-ethylanthraquinone, 2-tert-butylanthraquinone, octamethylanthraquinone, 1,2-benzanthraquinone, 2,3-benzanthraquinone, 2-phenylanthraquinone, 2,3-diphenylanthraquinone, 1-chloroanthraquinone, 2-chloroanthraquinone, 2-methylanthraquinone, 1,4-naphthaquinone, 9,10-phenanthraquinone, 2-methyl-1,4-naphthaquinone, 2,3-dichloronaphthaquinone, 1,4-dimethylanthraquinone, 2,3-dimethylanthraquinone, 3-chloro-2-methylanthraquinone and 7,8,9,10-tetrahydronaphthacenequinone, benzophenone; 4,4'-bis(dimethylamino)benzophenone, 4,4'-bis(diethylamino)benzophenone, 4-methoxy-4'-dimethylaminobenzophenone, benzoin, benzoin methyl ether, benzoin ethyl ether and benzoin phenyl ether, methylbenzoin, ethylbenzoin and acombination of 2,4,5-triarylimidazole dimer with 2-mercaptobenzoxazole, a leuco crystalviolet or tris(4-diethylamino-2-methylphenyl)methane.
Claim 12
Dependent Claim
83 words
The composition of claim 1, wherein the linear copolymer (d) is prepared by reacting at least one monomer selected from the group consisting of acrylic acid, methacrylic acid, fumaric acid, cinnamic acid, crotonic acid, propiolic acid, itaconic acid, maleic acid, maleic anhydride, and maleic acid half ester with at least one monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, vinyl-n-butyl ether, styrene and a polymerizable substituted styrene monomer.
Claim 13
Dependent Claim
147 words
A photosensitive element, developable by aqueous alkali solution, comprising a photosensitive layer supported on a polymer film, said photosensitive layer consists essentially of: 30 to 60 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR11## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=8 to 12, and (b) 5 to 15 parts by weight of an addition-polymerizable compound of the general formula (II): ##STR12## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 14
Dependent Claim
147 words
A photosensitive element, developable by aqueous alkali solution, comprising a photosensitive layer supported on a polymer film, said photosensitive layer consists essentially of: 30 to 60 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR11## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=8 to 12, and (b) 5 to 15 parts by weight of an addition-polymerizable compound of the general formula (II): ##STR12## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 15
Dependent Claim
53 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization initiator, and 40 to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000.
Claim 16
Dependent Claim
53 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization initiator, and 40 to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000.
Claim 17
Dependent Claim
53 words
The element of claim 8, wherein said photosensitive layer consists essentially of 25 to 35 parts by weight of the component (a), 5 to 15 parts by weight of the component (b), 0.5 to 10.0 parts by weight of the component (c) and 40 to 70 parts by weight of the component (d).
Claim 18
Dependent Claim
128 words
A photosensitive composition consisting essentially of: 25 to 35 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR13## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=8 to 12, 5to 15 parts by weight of (b) an addition-polymerizable compound of the general formula (II): ##STR14## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 19
Dependent Claim
128 words
A photosensitive composition consisting essentially of: 25 to 35 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR13## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=8 to 12, 5to 15 parts by weight of (b) an addition-polymerizable compound of the general formula (II): ##STR14## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 20
Dependent Claim
180 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization activator, 40 to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000, and 0 to 30 parts by weight of (e) an addition-polymerizable compound other than the compounds (a) and (b); the total amount of the compounds (a) and (b) and said other addition-polymerizable compound (e) being from 30 to 60 parts by weight, and said other addition-polymerizable compound (e) being selected from the group consisting of esters of polyhydric alcohols and α,β-unsaturated carboxylic acids, compounds of the following general formula: ##STR15## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=2 to 7, esters of glycidyl-containing compounds and α,β-unsaturated carboxylic acids, and esters of polycarboxylic acids and ethylenically unsaturated compounds having hydroxyl group.
Claim 21
Dependent Claim
180 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization activator, 40 to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000, and 0 to 30 parts by weight of (e) an addition-polymerizable compound other than the compounds (a) and (b); the total amount of the compounds (a) and (b) and said other addition-polymerizable compound (e) being from 30 to 60 parts by weight, and said other addition-polymerizable compound (e) being selected from the group consisting of esters of polyhydric alcohols and α,β-unsaturated carboxylic acids, compounds of the following general formula: ##STR15## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=2 to 7, esters of glycidyl-containing compounds and α,β-unsaturated carboxylic acids, and esters of polycarboxylic acids and ethylenically unsaturated compounds having hydroxyl group.
Claim 22
Dependent Claim
144 words
A photosensitive element, developable by aqueous alkali solution, comprising a photosensitive layer supported on a polymer film, said photosensitive layer consisting essentially of: 25 to 35 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR16## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are positive integer, provided that n+m=8 to 12, 5to 15 parts by weight of (b) an addition-polymerizable compound of the general formula (II): ##STR17## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 23
Dependent Claim
144 words
A photosensitive element, developable by aqueous alkali solution, comprising a photosensitive layer supported on a polymer film, said photosensitive layer consisting essentially of: 25 to 35 parts by weight of (a) an addition-polymerizable compound of the general formula (I): ##STR16## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are positive integer, provided that n+m=8 to 12, 5to 15 parts by weight of (b) an addition-polymerizable compound of the general formula (II): ##STR17## wherein Z is a cyclic dibasic acid residue, R 5 is an alkyl group having 1 to 3 carbon atoms, R 6 is hydrogen atom or methyl group, and R 7 is hydrogen atom, methyl group, ethyl group or CH 2 X in which X is chlorine atom or bromine atom,
Claim 24
Dependent Claim
180 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization initiator, 40 to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000, and 0 to 30 parts by weight of (e) an addition-polymerizable compound other than the compounds (a) and (b); the total amount of the compounds (a) and (b) and said other addition-polymerizable compound (e) being from 30 to 60 parts by weight, and said other addition-polymerizable compound (e) being selected from the group consisting of esters of polyhydric alcohols and α,β-unsaturated carboxylic acids, compounds of the following general formula: ##STR18## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=2 to 7, esters of glycidyl-containing compounds and α,β-unsaturated carboxylic acids, and esters of polycarboxylic acids and ethylenically unsaturated compounds having hydroxyl group.
Claim 25
Dependent Claim
180 words
5 to 10.0 parts by weight of (c) a photoactivatable polymerization initiator, 40 to 70 parts by weight of (d) a linear copolymer having a carboxy content of 17 to 50% by mole, a water absorption of 4 to 30% by weight and a weight average molecular weight of 30,000 to 400,000, and 0 to 30 parts by weight of (e) an addition-polymerizable compound other than the compounds (a) and (b); the total amount of the compounds (a) and (b) and said other addition-polymerizable compound (e) being from 30 to 60 parts by weight, and said other addition-polymerizable compound (e) being selected from the group consisting of esters of polyhydric alcohols and α,β-unsaturated carboxylic acids, compounds of the following general formula: ##STR18## wherein R 1 , R 2 , R 3 and R 4 are the same or different and each is hydrogen atom or methyl group, and n and m are a positive integer, provided that n+m=2 to 7, esters of glycidyl-containing compounds and α,β-unsaturated carboxylic acids, and esters of polycarboxylic acids and ethylenically unsaturated compounds having hydroxyl group.
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) | 1988-12-30 | 1989-07-01 | 1989-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-30 | 1993-07-01 | 1993-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-30 | 1997-07-01 | 1997-12-31 | $7700.00 | Window Closed / Lapsed |