EP0349157A2
Expired / Lapsed
EP
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A waterless presensitized lithographic printing plate
Assignee: Konica Minolta Inc
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Filing: 1989-06-14
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Granted: —
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Expires: 2009-06-14
Abstract
Abstract A waterless presensitized lithographic printing plate is disclosed. The plate comprises a support having thereon a light-sensitive layer and a silicone rubber layer in this order, wherein said silicone rubber layer contains a copolymer having a silicone macromer and a fluorine-containing monomer in its molecular structure.
Inventors
- 👤 Akihisa Nakajima
- 👤 Norihito Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 21:14
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/075; G03F7/0752
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
42 words
A waterless presensitized lithographic printing plate comprising a support having thereon a light-sensitive layer and a silicone rubber layer in this order, wherein said silicone rubber layer contains a copolymer having a silicone macromer and a fluorine-containing monomer in its molecular structure.
Claim 2
Dependent Claim
42 words
A waterless presensitized lithographic printing plate comprising a support having thereon a light-sensitive layer and a silicone rubber layer in this order, wherein said silicone rubber layer contains a copolymer having a silicone macromer and a fluorine-containing monomer in its molecular structure.
Claim 3
Dependent Claim
13 words
The plate of claim 1, wherein said light-sensitive layer comprises an o-quinonediazide compound.
Claim 4
Dependent Claim
19 words
The plate of claim 2, wherein the content of said o-quinonediazide compound is 10 to 50 % by weight.
Claim 5
Dependent Claim
19 words
The plate of claim 2, wherein the content of said o-quinonediazide compound is 20 to 40 % by weight.
Claim 6
Dependent Claim
52 words
The plate of claim 1, wherein said silicone macromer is a compound represented by Formula (I); wherein R represents a hydrogen atom or a methyl group; R′ represents an alkyl group or a hydroxy group; n represents an integer of 0, 1 or 2; m represents an integer of 1 to 150.
Claim 7
Dependent Claim
48 words
The plate of claim 1, wherein said fluorine-containing monomer is a compound represented by Formula (II); wherein R represents a hydrogen atom or a methyl group; Rf represents a fluorinated alkyl group having not more than 20 carbon atoms; n represents an integer of 0, 1 or 2.
Claim 8
Dependent Claim
25 words
The plate of claim 6, wherein said Rf comprises at least one group selected from the group consisting of -CF₃, -CF₂-, -CF-, -OCF₃, -OCF₂-, -OCF-.
Claim 9
Dependent Claim
19 words
The plate of claim 6, wherein the fluorine content of said Rf is not less than 30% by weight.
Claim 10
Dependent Claim
19 words
The plate of claim 6, wherein the fluorine content of said Rf is not less than 50% by weight.
Claim 11
Dependent Claim
18 words
The plate of claim 1, wherein the silicone content of said copolymer is 10 to 95% by weight.
Claim 12
Dependent Claim
18 words
The plate of claim 1, wherein the silicone content of said copolymer is 60 to 95% by weight.
Claim 13
Dependent Claim
19 words
The plate of claim 1, wherein the fluorine-containing monomer content of said copolymer is 0.1 to 50% by weight.
Claim 14
Dependent Claim
19 words
The plate of claim 1, wherein the fluorine-containing monomer content of said copolymer is 0.1 to 20% by weight.
Claim 15
Dependent Claim
22 words
The plate of claim 1, wherein the content of said copolymer in the silicone rubber layer is 80 to 100% by weight.
Claim 16
Dependent Claim
22 words
The plate of claim 1, wherein the content of said copolymer in the silicone rubber layer is 90 to 100% by weight.
References Cited (Backward Citations)
No citation records indexed.
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