Claims
- 1. A fluorine-containing polymer composition comprising a fluorine-containing solvent of the formula R1—O—R2 wherein R1 is a C5-12 linear or branched polyfluoroalkyl group which may have an ether bond, and R2 is a C1-5 linear or branched alkyl group, and a fluorine-containing amorphous polymer having a fluorine-containing ring structure in its main chain, dissolved in the solvent, wherein the polyfluoroalkyl group is a group having at least 80% of the number of hydrogen atoms of the corresponding alkyl group substituted by fluorine atoms.
- 2. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing ring structure is a fluorine-containing alicyclic structure, a fluorine-containing triazine ring structure or a fluorine-containing aromatic ring structure.
- 3. The fluorine-containing polymer composition according to claim 2, wherein the fluorine-containing alicyclic structure is a fluorine-containing aliphatic ether ring structure.
- 4. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing amorphous polymer is one obtained by polymerizing a monomer having a fluorine-containing ring structure.
- 5. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing amorphous polymer is one obtained by cyclic polymerization of a fluorine-containing monomer having at least two polymerizable double bonds.
- 6. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing amorphous polymer is one obtained by copolymerizing a monomer having a fluorine-containing ring structure with a radical polymerizable monomer having no fluorine-containing ring structure.
- 7. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing amorphous polymer is one obtained by copolymerizing a fluorine-containing monomer having at least two polymerizable double bonds and being cyclopolymerizable, with a radical polymerizable monomer being not cyclopolymerizable.
- 8. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing amorphous polymer is one obtained by copolymerizing a monomer having a fluorine-containing ring structure with a fluorine-containing monomer having at least two polymerizable double bonds and being cyclopolymerizable.
- 9. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing solvent has a fluorine content of from 60 to 80 wt %.
- 10. The fluorine-containing polymer composition according to claim 1, wherein the fluorine-containing solvent is F (CF2)6OCH3, F(CF2)7OCH3, F(CF2)8OCH3, F(CF2)9OCH3 or F(CF2)10OCH3.
- 11. The fluorine-containing polymer composition according to claim 1, wherein the concentration of the fluorine-containing amorphous polymer in the fluorine-containing polymer composition is from 1.01 to 50 wt %.
Priority Claims (1)
Number |
Date |
Country |
Kind |
9-349718 |
Dec 1997 |
JP |
|
Parent Case Info
This application is a Division of application Ser. No. 09/662,863 Filed on Sep. 15, 2000, now U.S. Pat. No. 6,284,349 which is a Division of Ser. No. 09/209,756, now U.S. Pat. No. 6,201,085 filed Dec. 11, 1998.
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