IT1248093B - Fibre cave in poli(2,6-dimetil-p-ossifenilene) modificato - Google Patents
Fibre cave in poli(2,6-dimetil-p-ossifenilene) modificatoInfo
- Publication number
- IT1248093B IT1248093B ITMI911697A ITMI911697A IT1248093B IT 1248093 B IT1248093 B IT 1248093B IT MI911697 A ITMI911697 A IT MI911697A IT MI911697 A ITMI911697 A IT MI911697A IT 1248093 B IT1248093 B IT 1248093B
- Authority
- IT
- Italy
- Prior art keywords
- oxyphenylene
- dimethyl
- hollow fibers
- fiber
- modified pole
- Prior art date
Links
- 239000012510 hollow fiber Substances 0.000 title abstract 2
- 239000000835 fiber Substances 0.000 abstract 2
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- 230000009477 glass transition Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/52—Polyethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/48—Polymers modified by chemical after-treatment
- C08G65/485—Polyphenylene oxides
Abstract
Viene descritta una fibra cava in poli(2,6-dime-til-p-ossifenilene) idrossietilato (PPO-OH) amorfo, con temperatura di transizione vetrosa da 180 a 200°C, formata da uno strato denso microporoso su un supporto macroporoso, ed avente un diametro esterno da 450 a 550 µm e un diametro interno da 250 a 400 µm.Viene descritto il procedimento per la preparazione della fibra cava e l'uso della fibra nei procedimenti di separazione di miscele gassose.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI911697A IT1248093B (it) | 1991-06-20 | 1991-06-20 | Fibre cave in poli(2,6-dimetil-p-ossifenilene) modificato |
CA002070967A CA2070967A1 (en) | 1991-06-20 | 1992-06-10 | Hollow fibres of modified poly-(2,6-dimethyl-p-oxyphenylene) |
EP92201699A EP0521544A1 (en) | 1991-06-20 | 1992-06-11 | Hollow fibres of modified poly-(2,6-dimethyl-p-oxy-phenylene) |
US07/897,884 US5175196A (en) | 1991-06-20 | 1992-06-12 | Hollow fibres of modified poly-(2,6-dimethyl-p-oxy-phenylene) |
JP4184741A JPH05209313A (ja) | 1991-06-20 | 1992-06-19 | 中空繊維 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI911697A IT1248093B (it) | 1991-06-20 | 1991-06-20 | Fibre cave in poli(2,6-dimetil-p-ossifenilene) modificato |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI911697A0 ITMI911697A0 (it) | 1991-06-20 |
ITMI911697A1 ITMI911697A1 (it) | 1992-12-20 |
IT1248093B true IT1248093B (it) | 1995-01-05 |
Family
ID=11360166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI911697A IT1248093B (it) | 1991-06-20 | 1991-06-20 | Fibre cave in poli(2,6-dimetil-p-ossifenilene) modificato |
Country Status (5)
Country | Link |
---|---|
US (1) | US5175196A (it) |
EP (1) | EP0521544A1 (it) |
JP (1) | JPH05209313A (it) |
CA (1) | CA2070967A1 (it) |
IT (1) | IT1248093B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5698325A (en) * | 1990-08-15 | 1997-12-16 | National Research Council Of Canada | Method of manufacturing a surface layer modified, molded article of aromatic polymer and the article so produced |
US5298206A (en) * | 1992-02-04 | 1994-03-29 | W. R. Grace & Co.-Conn. | Method and apparatus for casting hollow fiber membranes |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3522326A (en) * | 1967-10-05 | 1970-07-28 | Gen Electric | Graft copolymers of polyphenylene ethers |
US3402144A (en) * | 1967-10-05 | 1968-09-17 | Gen Electric | Alkali metal-containing polyphenylene ethers |
US3442858A (en) * | 1967-10-05 | 1969-05-06 | Gen Electric | Products obtained by cleaving polyphenylene ethers |
EP0131559B1 (en) * | 1983-06-30 | 1987-12-02 | Monsanto Company | Amorphous aryl substituted polyarylene oxide membranes |
JPH0621373B2 (ja) * | 1985-09-04 | 1994-03-23 | 住友電気工業株式会社 | 多孔性中空糸膜及びその製造方法 |
IT1227052B (it) * | 1988-09-09 | 1991-03-14 | Eniricerche Spa | Poli(2,6 dimetil p ossifenilene)modificato, procedimento per la sua preparazione e utilizzazione in membrane per la separazione dei gas . |
-
1991
- 1991-06-20 IT ITMI911697A patent/IT1248093B/it active IP Right Grant
-
1992
- 1992-06-10 CA CA002070967A patent/CA2070967A1/en not_active Abandoned
- 1992-06-11 EP EP92201699A patent/EP0521544A1/en not_active Withdrawn
- 1992-06-12 US US07/897,884 patent/US5175196A/en not_active Expired - Fee Related
- 1992-06-19 JP JP4184741A patent/JPH05209313A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPH05209313A (ja) | 1993-08-20 |
US5175196A (en) | 1992-12-29 |
ITMI911697A1 (it) | 1992-12-20 |
EP0521544A1 (en) | 1993-01-07 |
ITMI911697A0 (it) | 1991-06-20 |
CA2070967A1 (en) | 1992-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970530 |