GB1531068A - Terpolymers of fluorine-containing monomers and membranes thereof for use in electrolytic cells - Google Patents
Terpolymers of fluorine-containing monomers and membranes thereof for use in electrolytic cellsInfo
- Publication number
- GB1531068A GB1531068A GB51718/76A GB5171876A GB1531068A GB 1531068 A GB1531068 A GB 1531068A GB 51718/76 A GB51718/76 A GB 51718/76A GB 5171876 A GB5171876 A GB 5171876A GB 1531068 A GB1531068 A GB 1531068A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terpolymers
- membranes
- fluorine
- containing monomers
- electrolytic cells
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
- C08J5/2237—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/50—Chemical modification of a polymer wherein the polymer is a copolymer and the modification is taking place only on one or more of the monomers present in minority
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1531068 Fluorinated esters ASAHI GLASS CO Ltd 10 Dec 1976 [30 Dec 1975] 51718/76 Heading C2C [Also in Division C3] obtained by (i) reacting perfluoro-γ-butyrolactone and methanol, (ii) reacting the resulting methyl (3-fluorocarbonyl)tetrafluoropropionate with hexafluoropropylene oxide to form and (iii) treating this product with Na 2 CO 3 to form the olefinic compound (Example 1). CF 2 =CF.OCF 2 CF(CF 3 )O.CF 2 CF(CF 3 )O.(CF 2 ) 3 - COOCH 3 is prepared in like manner using more hexafluoropropylene oxide (Example 2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15730275A JPS5284191A (en) | 1975-12-30 | 1975-12-30 | Improved f-contg. cation exchange resin membrane |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1531068A true GB1531068A (en) | 1978-11-01 |
Family
ID=15646680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB51718/76A Expired GB1531068A (en) | 1975-12-30 | 1976-12-10 | Terpolymers of fluorine-containing monomers and membranes thereof for use in electrolytic cells |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5284191A (en) |
DE (1) | DE2659581C3 (en) |
FR (1) | FR2337162A1 (en) |
GB (1) | GB1531068A (en) |
IT (1) | IT1068038B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983000157A1 (en) * | 1981-06-26 | 1983-01-20 | Barnett, George, Henry | Crosslinked fluoropolymer ion exchange resin |
WO1983000487A1 (en) * | 1981-08-07 | 1983-02-17 | Markus, Michael, Vojtech | Cation exchange resin by graft polymerization process |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4508603A (en) * | 1976-08-22 | 1985-04-02 | Asahi Glass Company Ltd. | Fluorinated cation exchange membrane and use thereof in electrolysis of an alkali metal halide |
FR2388013B1 (en) * | 1977-04-20 | 1985-08-02 | Du Pont | FLUORINATED ION EXCHANGE POLYMERS CONTAINING CARBOXYLIC GROUPS, THEIR PREPARATION AND THEIR USE IN CHLORINE-ALKALI ELECTROLYSIS CELLS |
JPS5475497A (en) * | 1977-11-29 | 1979-06-16 | Asahi Glass Co Ltd | Electrolyzing method for aqueous solution of sodium chloride |
US4281092A (en) | 1978-11-30 | 1981-07-28 | E. I. Du Pont De Nemours And Company | Vulcanizable fluorinated copolymers |
US4329434A (en) * | 1979-05-31 | 1982-05-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Novel fluorinated cation exchange membrane and process for producing the same |
US4324606A (en) * | 1979-12-27 | 1982-04-13 | E. I. Du Pont De Nemours And Company | Process for forming a reinforced membrane |
FR2589865B2 (en) * | 1985-06-20 | 1987-12-24 | Atochem | NOVEL IONIC FLUORINATED POLYMER, PROCESS FOR PREPARING THE SAME, AND ELECTROLYSIS MEMBRANES FORMED FROM THE POLYMER |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5414595B2 (en) * | 1973-12-27 | 1979-06-08 | ||
JPS551351B2 (en) * | 1974-03-07 | 1980-01-12 | ||
JPS5344427A (en) * | 1976-10-05 | 1978-04-21 | Kubota Ltd | Method to manufacture propellers by using extinguishable pattern |
-
1975
- 1975-12-30 JP JP15730275A patent/JPS5284191A/en active Granted
-
1976
- 1976-12-10 GB GB51718/76A patent/GB1531068A/en not_active Expired
- 1976-12-27 FR FR7639146A patent/FR2337162A1/en active Granted
- 1976-12-30 IT IT31011/76A patent/IT1068038B/en active
- 1976-12-30 DE DE2659581A patent/DE2659581C3/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983000157A1 (en) * | 1981-06-26 | 1983-01-20 | Barnett, George, Henry | Crosslinked fluoropolymer ion exchange resin |
US4506035A (en) * | 1981-06-26 | 1985-03-19 | Ici Australia Limited | Microporous hydrophilic fluoropolymer membranes and method |
WO1983000487A1 (en) * | 1981-08-07 | 1983-02-17 | Markus, Michael, Vojtech | Cation exchange resin by graft polymerization process |
Also Published As
Publication number | Publication date |
---|---|
IT1068038B (en) | 1985-03-21 |
DE2659581A1 (en) | 1977-07-14 |
DE2659581C3 (en) | 1980-06-26 |
DE2659581B2 (en) | 1979-10-04 |
JPS5284191A (en) | 1977-07-13 |
JPS5344429B2 (en) | 1978-11-29 |
FR2337162B1 (en) | 1981-07-10 |
FR2337162A1 (en) | 1977-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |