US5498657A
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Fluorine-containing polymer composition
Assignee: Iwaki Glass Co Ltd
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Filing: 1994-08-26
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Granted: 1996-03-12
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Expires: 2014-08-26
Abstract
Abstract A fluorine-containing polymer composition comprising a polymer having a functional group and a fluorine-containing aliphatic cyclic structure dissolved in a solvent mixture of an aprotic fluorine-containing solvent and a protic fluorine-containing solvent.
Inventors
- 👤 Norihide Sugiyama
- 👤 Atsushi Watakabe
- 👤 Shunsuke Yokotsuka
- 👤 Atsuo Hiroi
- 👤 Masaki Naritomi
- 👤 Naoko Shirota
- 👤 Ko Aosaki
- 👤 Masaru Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:54
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/093; C08K; C08K5/00; C08K5/0008; C08J2327/00; C08J2327/02; C08J2327/12; H; H05; H05K; H05K3/00; H05K3/46; H05K3/4644; H05K3/4673; H05K3/4676; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
32 words
A fluorine-containing polymer composition comprising a polymer having a functional group and a fluorine-containing aliphatic cyclic structure dissolved in a solvent mixture of an aprotic fluorine-containing solvent and a protic fluorine-containing solvent.
Claim 2
Dependent Claim
32 words
A fluorine-containing polymer composition comprising a polymer having a functional group and a fluorine-containing aliphatic cyclic structure dissolved in a solvent mixture of an aprotic fluorine-containing solvent and a protic fluorine-containing solvent.
Claim 3
Dependent Claim
38 words
The composition according to claim 1, wherein the aprotic fluorine-containing solvent is a fluorine-containing aliphatic hydrocarbon, a fluorine-containing aromatic hydrocarbon, a fluorine-containing alicyclic hydrocarbon, a fluorine-containing alkylamine, a fluorine-containing cyclic ether, a fluorine-containing polyether or a fluorine-containing ketone.
Claim 4
Dependent Claim
24 words
The composition according to claim 1, wherein the protic fluorine-containing solvent is a fluorine-containing alcohol, a fluorine-containing carboxylic acid or a fluorine-containing sulfonic acid.
Claim 5
Dependent Claim
31 words
The composition according to claim 1, wherein the solvent mixture contains at least one member selected from the group consisting of a silane coupling agent, an inorganic filler and a colorant.
Claim 6
Dependent Claim
18 words
The composition according to claim 4, wherein the silane coupling agent is an aromatic amine-type silane coupling agent.
Claim 7
Dependent Claim
14 words
The composition according to claim 4, wherein the inorganic filler is a metal oxide.
Claim 8
Dependent Claim
14 words
An article having a coating film of the composition as defined in claim 1.
Claim 9
Dependent Claim
56 words
The article according to claim 7, wherein the coating film is a sealing film for a semiconductor part, a buffer coating film for a semiconductor part, a passivation film for a semiconductor part, an interlaminar insulating film for a semiconductor part, an anti-reflection film, a pellicle or an interlaminar insulating film for a multilayer circuit board.
Claim 10
Dependent Claim
25 words
A sealing or adhesive resin composition made of the composition as defined in claim 1 which contains a silane coupling agent or an inorganic filler.
Claim 11
Dependent Claim
47 words
The composition according to claim 1, wherein the functional group is a group comprising at least two atoms, said functional groups having an affinity to each other, as components of said polymer, which is greater than their affinity to the aprotic solvent component of the solvent combination.
Claim 12
Dependent Claim
32 words
The composition according to claim 1, wherein the cyclic structure within said polymer forms during polymerization of the monomer components of the polymer which monomer components comprise perfluoro(alkylvinyl ether) or perfluoro(butenylvinyl ether).
Claim 13
Dependent Claim
19 words
The composition according to claim 1, wherein the cyclic group containing polymer is a homopolymer or copolymer of perfluoro(2,2-dimethyl-1,3-dioxole).
Claim 14
Dependent Claim
24 words
The composition according to claim 1, wherein said polymer, as a copolymer, contains units of tetrafluoroethylene, perfluoroalkylvinyl ether, vinylidine fluoride, vinyl fluoride or chlorotrifluoroethylene.
Claim 15
Dependent Claim
91 words
The composition of according to claim 1, wherein the polymer contains a coupling group of the formula: MR 1 n-a R 2 a , wherein M is a member selected from the group consisting of Si, Ti, Zr, Hf, Th and Al, R 1 is halogen, hydroxyl, amino or --OR 3 , wherein R 3 is a monovalent organic group, R 2 is a monovalent organic group, and n is 2 or 3 and a is 0, 1 or 2, provided that when n is 2, a is 0 or 1.
References Cited (Backward Citations)
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