EP0398223A2
Expired / Lapsed
EP
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Antistatic layer
Assignee: Konica Minolta Inc
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Filing: 1990-05-14
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Granted: —
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Expires: 2010-05-14
Abstract
Abstract Disclosed is a plastic film comprising a support and an antistatic layer, provided thereon, comprising a reaction product of a water-soluble electroconductive polymer, hydrophobic polymer particles and a curing agent, characterized in that the hydrophobic polymer has a polyalkylene oxide chain.
Inventors
- 👤 Noriki C/O Konica Corporation Tachibana
- 👤 Yoichi C/O Konica Corporation Saito
- 👤 Toshiaki C/O Konica Corporation Yamazaki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 22:39
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10T; Y10T428/00; Y10T428/25; Y10T428/254; Y10T428/27; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
39 words
A plastic film comprising a support and an antistatic layer, provided thereon, comprising a reaction product of a water-soluble electroconductive polymer, hydrophobic polymer particles and a curing agent, characterized in that said hydrophobic polymer has a polyalkylene oxide chain.
Claim 2
Dependent Claim
39 words
A plastic film comprising a support and an antistatic layer, provided thereon, comprising a reaction product of a water-soluble electroconductive polymer, hydrophobic polymer particles and a curing agent, characterized in that said hydrophobic polymer has a polyalkylene oxide chain.
Claim 3
Dependent Claim
40 words
The plastic film according to Claim 1, wherein the water-soluble electroconductive polymer has at least one electro-conductive group selected from the group consisting of sulfonic acid groups, sulfuric acid ester groups, quaternary ammonium salts, tertiary ammonium salts and carboxyl group.
Claim 4
Dependent Claim
31 words
The plastic film according to Claim 2, wherein the electro-conductive group is contained in an amount of 5 % by weight or more per one molecule of the water-soluble electroconductive polymer.
Claim 5
Dependent Claim
60 words
The plastic film according to Claim 1, wherein the water-soluble electroconductive polymer has at least one group selected from the group consisting of hydroxy group, amino group, epoxy group, aziridine group, active methylene group, sulfinic acid group, aldehyde group and vinylsulfone group in an amount of 5 % by weight or more per one molecule of the water-soluble electroconductive polymer.
Claim 6
Dependent Claim
20 words
The plastic film according to Claim 1, wherein the water-soluble electroconductive polymer has a molecular weight of 3,000 to 100,000.
Claim 7
Dependent Claim
20 words
The plastic film according to Claim 5, wherein the water-soluble electroconductive polymer has a molecular weight of 3,500 to 50,000.
Claim 8
Dependent Claim
27 words
The plastic film according to Claim 1, wherein the water-soluble electroconductive polymer is contained in the antistatic layer in an amount of 0.01 g to 10 g/m².
Claim 9
Dependent Claim
27 words
The plastic film according to Claim 7, wherein the water-soluble electroconductive polymer is contained in the antistatic layer in an amount of 0.1 g to 5 g/m².
Claim 10
Dependent Claim
47 words
The plastic film according to Claim 1, wherein the hydrophobic polymer is a polymer obtained from at least one monomer 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 11
Dependent Claim
31 words
The plastic film according to Claim 9, wherein the hydrophobic polymer is a polymer containing styrene derivatives, alkyl acrylates and alkyl methacrylates in an amount of at least 30 mole %.
Claim 12
Dependent Claim
33 words
The plastic film according to Claim 1, wherein the polyalkylene oxide chain is introduced into the hydrophobic polymer by copolymerization of the the hydrophobic polymer with a monomer having the polyalkylene oxide chain.
Claim 13
Dependent Claim
117 words
The plastic film according to Claim 1, wherein the polyalkylene oxide chain is represented by Formula (M): wherein R represents a hydrogen atom, a halogen atom, a lower alkyl group having 1 to 4 carbon atoms or -CH₂-L-X; L represents a group having -COO- or or an optionally substituted aryl group having 6 to 12 carbon atoms; R¹ represents hydrogen atom, an optionally substituted aryl group or a lower alkyl group having 1 to 4 carbon atoms; X represents (̵R₂-O)̵ R₃; R₂ comprising at least one selected R₃ represents hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms, and n is an integer of not less than 2 and not more than 70.
Claim 14
Dependent Claim
15 words
The plastic film according to Claim 1, wherein the curing agent is a polyfunctional aziridine.
Claim 15
Dependent Claim
25 words
The plastic film according to Claim 1, wherein the curing agent is a difunctional or trifunctional aziridine having a molecular weight of 600 or less.
References Cited (Backward Citations)
No citation records indexed.
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