JPS6223972B2 - - Google Patents
Info
- Publication number
- JPS6223972B2 JPS6223972B2 JP10713781A JP10713781A JPS6223972B2 JP S6223972 B2 JPS6223972 B2 JP S6223972B2 JP 10713781 A JP10713781 A JP 10713781A JP 10713781 A JP10713781 A JP 10713781A JP S6223972 B2 JPS6223972 B2 JP S6223972B2
- Authority
- JP
- Japan
- Prior art keywords
- porous membrane
- solvent
- membrane
- weight
- impregnated
- 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
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
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- 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
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10713781A JPS588735A (ja) | 1981-07-10 | 1981-07-10 | 芳香族ポリイミド多孔質膜の改質方法 |
GB08218163A GB2104832B (en) | 1981-07-01 | 1982-06-23 | Mofifying porous polymeric membrane |
DE19823223844 DE3223844A1 (de) | 1981-07-01 | 1982-06-25 | Verfahren zur modifizierung einer poroesen polymermembran |
US06/392,169 US4486376A (en) | 1981-07-01 | 1982-06-25 | Process for modifying porous polymeric membrane |
CA000406464A CA1206308A (en) | 1981-07-01 | 1982-06-30 | Process for modifying porous polymeric membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10713781A JPS588735A (ja) | 1981-07-10 | 1981-07-10 | 芳香族ポリイミド多孔質膜の改質方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS588735A JPS588735A (ja) | 1983-01-18 |
JPS6223972B2 true JPS6223972B2 (enrdf_load_stackoverflow) | 1987-05-26 |
Family
ID=14451441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10713781A Granted JPS588735A (ja) | 1981-07-01 | 1981-07-10 | 芳香族ポリイミド多孔質膜の改質方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS588735A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0220675U (enrdf_load_stackoverflow) * | 1988-07-20 | 1990-02-09 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0141793A1 (en) * | 1983-06-30 | 1985-05-15 | Monsanto Company | Asymmetric gas separation membranes having increased selectivy, and process for their production |
DE3615649A1 (de) * | 1986-05-09 | 1987-11-19 | Geesthacht Gkss Forschung | Verfahren zur herstellung hochselektiver integralasymmetrischer polyetherimid-membranen |
JPS6383629A (ja) * | 1986-09-27 | 1988-04-14 | Mitsubishi Motors Corp | 自動車用排ガス計の自動計測装置 |
JPH0454397U (enrdf_load_stackoverflow) * | 1990-09-14 | 1992-05-11 | ||
US8324285B2 (en) | 2007-11-06 | 2012-12-04 | The Boeing Company | Hydrophobic and/or oleophobic open cell polyimide acoustic and thermal insulation foams and methods of making |
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1981
- 1981-07-10 JP JP10713781A patent/JPS588735A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0220675U (enrdf_load_stackoverflow) * | 1988-07-20 | 1990-02-09 |
Also Published As
Publication number | Publication date |
---|---|
JPS588735A (ja) | 1983-01-18 |