IT1061477B - Membrana scambiatrice di cationi sua preparazione e suo impiego - Google Patents
Membrana scambiatrice di cationi sua preparazione e suo impiegoInfo
- Publication number
- IT1061477B IT1061477B IT24888/76A IT2488876A IT1061477B IT 1061477 B IT1061477 B IT 1061477B IT 24888/76 A IT24888/76 A IT 24888/76A IT 2488876 A IT2488876 A IT 2488876A IT 1061477 B IT1061477 B IT 1061477B
- Authority
- IT
- Italy
- Prior art keywords
- groups
- ocf
- membrane
- brine
- membranes
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/024—Woven fabric
-
- 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
- C08J5/2287—After-treatment
- C08J5/2293—After-treatment of fluorine-containing membranes
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/08—Reinforcements
-
- 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
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C08J2300/102—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50084112A JPS5224177A (en) | 1975-07-09 | 1975-07-09 | Manufacturing method of fluorocarbon cathion exchange membrane |
JP50084111A JPS5224176A (en) | 1975-07-09 | 1975-07-09 | Cathion exchange membrane |
JP3559376A JPS52119486A (en) | 1976-03-31 | 1976-03-31 | Fluorocarbon composite membraneous product and production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1061477B true IT1061477B (it) | 1983-02-28 |
Family
ID=27288811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24888/76A IT1061477B (it) | 1975-07-09 | 1976-06-30 | Membrana scambiatrice di cationi sua preparazione e suo impiego |
Country Status (8)
Country | Link |
---|---|
BR (1) | BR7604438A (it) |
CA (1) | CA1219399A (it) |
DE (1) | DE2630584C3 (it) |
FR (1) | FR2317323A1 (it) |
GB (1) | GB1523047A (it) |
IT (1) | IT1061477B (it) |
NL (1) | NL161789C (it) |
SE (2) | SE436048B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2388013B1 (fr) * | 1977-04-20 | 1985-08-02 | Du Pont | Polymeres fluores echangeurs d'ions contenant des groupes carboxyliques, leur preparation et leur utilisation dans des cellules d'electrolyse chlore-alcali |
US4200711A (en) * | 1977-04-25 | 1980-04-29 | Tokuyama Soda Kabushiki Kaisha | Process for preparing fluorine-containing polymers having carboxyl groups |
JPS53149881A (en) * | 1977-06-03 | 1978-12-27 | Asahi Glass Co Ltd | Strengthened cation exchange resin membrane and production thereof |
JPS5484892A (en) * | 1977-12-19 | 1979-07-06 | Asahi Chem Ind Co Ltd | Electrolysis of sodium chloride employing cation exchange membrane |
US4329434A (en) * | 1979-05-31 | 1982-05-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Novel fluorinated cation exchange membrane and process for producing the same |
JPS55160028A (en) | 1979-05-31 | 1980-12-12 | Asahi Chem Ind Co Ltd | Improved fluorinated cation exchange membrane and production thereof |
DE3050931C2 (de) * | 1979-05-31 | 1994-06-09 | Asahi Chemical Ind | Fluorierte Carbonsäure-Derivate und Verfahren zu ihrer Herstellung |
JPS5638329A (en) * | 1979-09-06 | 1981-04-13 | Asahi Chem Ind Co Ltd | Fluorinated copolymer membrane and its preparation |
JPS5655577A (en) * | 1979-10-06 | 1981-05-16 | Toyo Soda Mfg Co Ltd | Electrolyzing method for alkali metal halide |
JPS5672190A (en) * | 1979-11-20 | 1981-06-16 | Toyo Soda Mfg Co Ltd | Cation exchange membrane for electrolysis of alkali metal halogenide |
DE3036066A1 (de) * | 1980-09-25 | 1982-05-06 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung eines elektroden-membran-verbundsystems |
JP5211418B2 (ja) | 2005-07-08 | 2013-06-12 | トヨタ自動車株式会社 | 電解質膜の製造方法 |
US20100280200A1 (en) * | 2009-03-24 | 2010-11-04 | Poddar Tarun K | Water Permeable Fluoropolymer Articles |
US9139669B2 (en) | 2009-03-24 | 2015-09-22 | W. L. Gore & Associates, Inc. | Expandable functional TFE copolymer fine powder, the expandable functional products obtained therefrom and reaction of the expanded products |
US8658707B2 (en) | 2009-03-24 | 2014-02-25 | W. L. Gore & Associates, Inc. | Expandable functional TFE copolymer fine powder, the expanded functional products obtained therefrom and reaction of the expanded products |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3017338A (en) * | 1958-03-03 | 1962-01-16 | Diamond Alkali Co | Electrolytic process and apparatus |
US3135673A (en) * | 1961-05-05 | 1964-06-02 | Ionics | Process and apparatus for electrolyzing salt solutions |
US3366610A (en) * | 1965-05-14 | 1968-01-30 | Du Pont | Perhalogenated epoxy olefin monomers and polymers |
GB1145445A (en) * | 1966-02-16 | 1969-03-12 | Du Pont | Fluorinated perfluorovinylethers, their preparation and copolymers thereof |
US3496077A (en) * | 1967-12-18 | 1970-02-17 | Hal B H Cooper | Electrolyzing of salt solutions |
DE1941847A1 (de) * | 1968-12-31 | 1970-07-23 | Bitterfeld Chemie | Verfahren zur Elektrolyse von Salzloesungen in Zellen mit Diaphragma |
BE790369A (fr) * | 1971-10-21 | 1973-04-20 | Diamond Shamrock Corp | Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique. |
BE795460A (fr) * | 1972-02-16 | 1973-08-16 | Diamond Shamrock Corp | Perfectionnements relatifs a des cuves electrolytiques |
US3773634A (en) * | 1972-03-09 | 1973-11-20 | Diamond Shamrock Corp | Control of an olyte-catholyte concentrations in membrane cells |
JPS551351B2 (it) * | 1974-03-07 | 1980-01-12 | ||
FR2388013B1 (fr) * | 1977-04-20 | 1985-08-02 | Du Pont | Polymeres fluores echangeurs d'ions contenant des groupes carboxyliques, leur preparation et leur utilisation dans des cellules d'electrolyse chlore-alcali |
FR2388014A1 (fr) * | 1977-04-20 | 1978-11-17 | Du Pont | Polymere fluore echangeur d'ions comportant des groupes carboxyliques et pellicules et membranes formees de ce polymere |
US4200711A (en) * | 1977-04-25 | 1980-04-29 | Tokuyama Soda Kabushiki Kaisha | Process for preparing fluorine-containing polymers having carboxyl groups |
-
1976
- 1976-06-30 IT IT24888/76A patent/IT1061477B/it active
- 1976-07-02 GB GB27654/76A patent/GB1523047A/en not_active Expired
- 1976-07-06 CA CA000256437A patent/CA1219399A/en not_active Expired
- 1976-07-07 DE DE2630584A patent/DE2630584C3/de not_active Expired
- 1976-07-07 BR BR4438A patent/BR7604438A/pt unknown
- 1976-07-08 SE SE7607832A patent/SE436048B/xx not_active IP Right Cessation
- 1976-07-09 FR FR7621093A patent/FR2317323A1/fr active Granted
- 1976-07-09 NL NLAANVRAGE7607628,A patent/NL161789C/xx not_active IP Right Cessation
-
1979
- 1979-09-21 SE SE7907834A patent/SE446199B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR7604438A (pt) | 1978-01-31 |
NL161789B (nl) | 1979-10-15 |
DE2630584B2 (de) | 1979-01-18 |
DE2630584C3 (de) | 1988-02-11 |
SE446199B (sv) | 1986-08-18 |
CA1219399A (en) | 1987-03-17 |
NL7607628A (nl) | 1977-01-11 |
SE7607832L (sv) | 1977-01-10 |
GB1523047A (en) | 1978-08-31 |
SE7907834L (sv) | 1979-09-21 |
FR2317323A1 (fr) | 1977-02-04 |
FR2317323B1 (it) | 1981-02-06 |
DE2630584A1 (de) | 1977-01-13 |
NL161789C (nl) | 1983-04-18 |
SE436048B (sv) | 1984-11-05 |
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