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EP0333083A2
Expired / Lapsed
EP
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Water- and oil-repellent antifouling finishing agent
Assignee: Daikin Industries Ltd
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Filing: 1989-03-11
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Granted: —
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Expires: 2009-03-11
Abstract
Abstract This invention provides an antifouling finishing agent comprising a fluorine-containing polymer comprising at least 50% by weight of a fluorine-containing acrylate represented by the formula wherein Y is alkylene group having 1 to 3 carbon atoms, a group of the formula -CH₂CH₂N(R)SO₂- (wherein R is alkyl group having 1 to 4 carbon atoms) or a group of the formula -CH₂CH(OZ)CH₂- (wherein Z is hydrogen atom or acetyl group), and R f is fluoroalkyl group having 3 to 21 carbon atoms or fluoroalkyl group having 3 to 21 carbon atoms and containing 1 to 10 oxygen atoms in the carbon chain (provided that no oxygen atom is adjacent or closest to other oxygen atom), said fluoroalkyl groups having at least 5 fluorine atoms.
Inventors
- 👤 Akira Ohmori
- 👤 Hiroshi Inukai
- 👤 Takahiro Kitahara
- 👤 Akihiko Ueda
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 08:25
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
119 words
An antifouling finishing agent comprising a fluorine-containing polymer comprising at least 50% by weight of a fluorine-containing acrylate represented by the formula wherein Y is alkylene group having 1 to 3 carbon atoms, a group of the formula -CH₂CH₂N(R)SO₂- (wherein R is alkyl group having 1 to 4 carbon atoms) or a group of the formula -CH₂CH(OZ)CH₂- (wherein Z is hydrogen atom or acetyl group), and R f is fluoroalkyl group having 3 to 21 carbon atoms or fluoroalkyl group having 3 to 21 carbon atoms and containing 1 to 10 oxygen atoms in the carbon chain (provided that no oxygen atom is adjacent or closest to other oxygen atom), said fluoroalkyl groups having at least 5 fluorine atoms.
Claim 2
Dependent Claim
119 words
An antifouling finishing agent comprising a fluorine-containing polymer comprising at least 50% by weight of a fluorine-containing acrylate represented by the formula wherein Y is alkylene group having 1 to 3 carbon atoms, a group of the formula -CH₂CH₂N(R)SO₂- (wherein R is alkyl group having 1 to 4 carbon atoms) or a group of the formula -CH₂CH(OZ)CH₂- (wherein Z is hydrogen atom or acetyl group), and R f is fluoroalkyl group having 3 to 21 carbon atoms or fluoroalkyl group having 3 to 21 carbon atoms and containing 1 to 10 oxygen atoms in the carbon chain (provided that no oxygen atom is adjacent or closest to other oxygen atom), said fluoroalkyl groups having at least 5 fluorine atoms.
Claim 3
Dependent Claim
200 words
An antifouling finishing agent according to claim 1 wherein the fluorine-containing polymer is a copolymer comprising: (a) about 65 to about 90% by weight of a fluorine-containing acrylate represented by the formula wherein Y is alkylene group having 1 to 3 carbon atoms, a group of the formula -CH₂CH₂N(R)SO₂- (wherein R is alkyl group having 1 to 4 carbon atoms) or a group of the formula -CH₂CH(OZ)CH₂- (wherein Z is hydrogen atom or acetyl group), and R f is fluoroalkyl group having 3 to 21 carbon atoms or fluoroalkyl group having 3 to 21 carbon atoms and containing 1 to 10 oxygen atoms in the carbon chain (provided that no oxygen atom is adjacent to other oxygen atom), said fluoroalkyl groups having at least 5 fluorine atoms; (b) about 10 to about 35% by weight of an acrylate or methacrylate represented by the formula wherein A is hydrogen atom, fluorine atom, chlorine atom or methyl group and B is alkyl group having 1 to 10 carbon atoms, alicyclic group or aromatic group having 6 to 10 carbon atoms, or fluoroalkyl group having 1 to 10 carbon atoms; and (c) 0 to about 10% by weight of an ethylenically unsaturated monomer.
Claim 4
Dependent Claim
105 words
An antifouling finishing agent according to claim 2 wherein: (i) the fluorine-containing acrylate (a) is a compound represented by the forumla wherein m is an integer of 1 to 3 and n is an integer of 5 to 13; (ii) the acrylate or methacrylate (b) is a compound represented by the formula wherein A′ is hydrogen atom, fluorine atom or methyl group and B′ is methyl group, ethyl group, phenyl group, benzyl group, cyclohexyl group, tert-butyl group, neopentyl group, tricyclodecanyl group, bornyl group, isobornyl group, dicyclopentenyl group or phenoxyethyl group; and (iii) the ethylenically unsaturated monomer (c) is an acrylate or methacrylate having functional group.
Claim 5
Dependent Claim
25 words
An antifouling finishing agent according to claim 1 wherein the fluorine-containing polymer has a glass transition temperature or a melting point of 35°C or higher.
Claim 6
Dependent Claim
29 words
An antifouling finishing agent according to claim 1 wherein the fluorine-containing polymer has a number-average molecular weight of about 10000 to about 4000000 as determined by gel permeation chromatography.
References Cited (Backward Citations)
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