Patent EP0430110A2 successfully refreshed from Google Patents.
EP0430110A2
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Method for providing antistatic layer
Assignee: Konica Minolta Inc
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Filing: 1990-11-24
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Granted: —
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Expires: 2010-11-24
Abstract
Abstract There is disclosed a method for providing an antistatic layer containing a water-soluble conductive polymer and a curing agent on a plastic film by coating, which comprises coating an aqueous processing solution containing the water-soluble conductive polymer and the curing agent on the plastic film to have a pH of the surface of the antistatic layer after drying the plastic layer of 8.5 or less and 2.5 or more.
Inventors
- 👤 Noriki C/O Konica Corporation Tachibana
- 👤 Yoichi C/O Konica Corporation Saito
- 👤 Kiyokazu C/O Konica Corporation Morita
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 02:46
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89; C; C09; C09K; C09K3/00; C09K3/16; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
66 words
A method for providing an antistatic layer containing a water-soluble conductive polymer and a curing agent on a plastic film by coating, which comprises coating an aqueous processing solution containing said water-soluble conductive polymer and said curing agent on said plastic film to have a pH of the surface of the antistatic layer after drying said plastic layer of 8.5 or less and 2.5 or more.
Claim 2
Dependent Claim
22 words
The method according to Claim 1, wherein said aqueous processing solution comprises a water-soluble conductive polymer, a curing agent and a salt.
Claim 3
Dependent Claim
20 words
The method according to Claim 2, wherein said salt is a salt of a strong acid and a weak base.
Claim 4
Dependent Claim
33 words
The method according to Claim 3, wherein said salt is selected from the group consisting of ammonium sulfate, ammonium phosphate, ammonium hydrogen phosphate, ammonium dihydrogen phosphate, ammonium chloride, ammonium lactate and ammonium citrate.
Claim 5
Dependent Claim
24 words
The method according to Claim 4, wherein an amount of the salt is 0.1 to 20 % by weight based on the conductive polymer.
Claim 6
Dependent Claim
24 words
The method according to Claim 5, wherein an amount of the salt is 1 to 10 % by weight based on the conductive polymer.
Claim 7
Independent Claim
21 words
The method according to Claims 1 or 2 to 6, wherein a pH of the film surface is 3.0 to 7.5.
Claim 8
Independent Claim
54 words
The method according to Claims 6 or 2 to 5 and 7, wherein said water-soluble conductive polymer has at least one conductive group selected from the group consisting of a sulfonic acid group, a sulfate group, a quaternary ammonium salt group, a tertiary ammonium salt group, a carboxyl group and a polyethylene oxide group.
Claim 9
Dependent Claim
26 words
The method according to Claim 8, wherein an amount said conductive group contained in one molecule of the polymer is 5 % by weight or more.
Claim 10
Dependent Claim
19 words
The method according to Claim 9, wherein the polymer has a number average molecular weight of 3,000 to 100,000.
Claim 11
Independent Claim
19 words
The method according to Claims 1 or 2 to 10, wherein said water-soluble conductive polymer contains hydrophobic polymer particles.
Claim 12
Dependent Claim
47 words
The method according to Claim 11, wherein said hydrophobic polymer particles are composed of latex obtained by polymerization of monomers selected from the group consisting of styrene, styrene derivatives, alkyl acrylates, alkyl methacrylates, olefin derivatives, halogenated ethylene derivatives, acrylamide derivatives, methacrylamide derivatives, vinyl ester derivatives and acrylonitrile.
Claim 13
Independent Claim
25 words
The method according to Claims 1 or 2 to 12, wherein the curing agent is a polyfunctional aziridine compound or a hydroxy group-containing epoxy compound.
Claim 14
Dependent Claim
23 words
The method according to Claim 13, wherein said aziridine compound is bifunctional or trifunctional and has a molecular weight of 7,000 or less.
Claim 15
Dependent Claim
18 words
The method according to Claim 13, wherein said hydroxy group-containing epoxy compound is an epihalohydrin adduct of polyglycidol.
References Cited (Backward Citations)
No citation records indexed.
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