JPH0278428A - 複合半透膜およびその製造方法 - Google Patents

複合半透膜およびその製造方法

Info

Publication number: JPH0278428A
Authority: JP; Japan
Prior art keywords: weight; ethylenediamine; piperazine; membrane; polyamide
Prior art date: 1988-06-07
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.): Granted

Application number

JP63265068A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0565213B2 (fr

Inventor

Sakao Sasaki

達朗佐々木

Hideo Fujimaki

藤巻　英夫

Tadahiro Uemura

忠廣植村

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Toray Industries Inc

Original Assignee

Toray Industries Inc

Priority date (The priority date 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 date listed.)

1988-06-07

Filing date

1988-10-20

Publication date

1990-03-19

1988-10-20 Application filed by Toray Industries Inc filed Critical Toray Industries Inc

1988-10-20 Priority to JP63265068A priority Critical patent/JPH0278428A/ja

1990-03-19 Publication of JPH0278428A publication Critical patent/JPH0278428A/ja

1993-09-17 Publication of JPH0565213B2 publication Critical patent/JPH0565213B2/ja

Status Granted legal-status Critical Current

Links

239000012528 membrane Substances 0.000 title claims abstract description 92
238000004519 manufacturing process Methods 0.000 title claims description 13
GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims abstract description 80
PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims abstract description 38
239000004952 Polyamide Substances 0.000 claims abstract description 31
229920002647 polyamide Polymers 0.000 claims abstract description 31
239000002253 acid Substances 0.000 claims abstract description 23
150000004820 halides Chemical class 0.000 claims abstract description 23
125000001624 naphthyl group Chemical group 0.000 claims abstract description 6
229920006037 cross link polymer Polymers 0.000 claims abstract description 5
238000006068 polycondensation reaction Methods 0.000 claims abstract description 5
239000000126 substance Substances 0.000 claims abstract description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
239000002131 composite material Substances 0.000 claims description 23
239000000243 solution Substances 0.000 claims description 23
239000007864 aqueous solution Substances 0.000 claims description 22
150000003839 salts Chemical class 0.000 claims description 14
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
150000001875 compounds Chemical class 0.000 claims description 10
125000003916 ethylene diamine group Chemical group 0.000 claims description 6
125000004193 piperazinyl group Chemical group 0.000 claims description 6
239000011780 sodium chloride Substances 0.000 claims description 6
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
230000008030 elimination Effects 0.000 claims description 2
238000003379 elimination reaction Methods 0.000 claims description 2
230000001747 exhibiting effect Effects 0.000 claims description 2
239000011248 coating agent Substances 0.000 abstract description 3
238000000576 coating method Methods 0.000 abstract description 3
230000001588 bifunctional effect Effects 0.000 abstract description 2
239000003344 environmental pollutant Substances 0.000 abstract description 2
231100000719 pollutant Toxicity 0.000 abstract description 2
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
239000000203 mixture Substances 0.000 description 19
238000012360 testing method Methods 0.000 description 19
238000010612 desalination reaction Methods 0.000 description 17
238000001223 reverse osmosis Methods 0.000 description 17
235000002639 sodium chloride Nutrition 0.000 description 17
150000001412 amines Chemical class 0.000 description 15
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
239000010408 film Substances 0.000 description 11
ZIWRUEGECALFST-UHFFFAOYSA-M sodium 4-(4-dodecoxysulfonylphenoxy)benzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCOS(=O)(=O)c1ccc(Oc2ccc(cc2)S([O-])(=O)=O)cc1 ZIWRUEGECALFST-UHFFFAOYSA-M 0.000 description 11
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 9
239000000460 chlorine Substances 0.000 description 9
229910052801 chlorine Inorganic materials 0.000 description 9
239000001488 sodium phosphate Substances 0.000 description 9
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 9
229910000406 trisodium phosphate Inorganic materials 0.000 description 9
235000019801 trisodium phosphate Nutrition 0.000 description 9
BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 8
238000000034 method Methods 0.000 description 8
-1 trimesic acid halide Chemical class 0.000 description 8
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 6
230000035699 permeability Effects 0.000 description 5
229920002492 poly(sulfone) Polymers 0.000 description 5
125000000217 alkyl group Chemical group 0.000 description 4
FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 4
230000000052 comparative effect Effects 0.000 description 4
239000000470 constituent Substances 0.000 description 4
239000007788 liquid Substances 0.000 description 4
239000011148 porous material Substances 0.000 description 4
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
238000005520 cutting process Methods 0.000 description 3
239000012153 distilled water Substances 0.000 description 3
238000001035 drying Methods 0.000 description 3
239000000463 material Substances 0.000 description 3
239000003960 organic solvent Substances 0.000 description 3
238000000926 separation method Methods 0.000 description 3
239000002904 solvent Substances 0.000 description 3
239000010409 thin film Substances 0.000 description 3
239000002351 wastewater Substances 0.000 description 3
NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
238000012696 Interfacial polycondensation Methods 0.000 description 2
239000005708 Sodium hypochlorite Substances 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
230000006866 deterioration Effects 0.000 description 2
238000011156 evaluation Methods 0.000 description 2
230000007717 exclusion Effects 0.000 description 2
239000004744 fabric Substances 0.000 description 2
239000005457 ice water Substances 0.000 description 2
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
239000004065 semiconductor Substances 0.000 description 2
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
229910021642 ultra pure water Inorganic materials 0.000 description 2
239000012498 ultrapure water Substances 0.000 description 2
KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
239000004472 Lysine Substances 0.000 description 1
239000000020 Nitrocellulose Substances 0.000 description 1
DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
238000005266 casting Methods 0.000 description 1
229920002301 cellulose acetate Polymers 0.000 description 1
238000005345 coagulation Methods 0.000 description 1
230000015271 coagulation Effects 0.000 description 1
230000007547 defect Effects 0.000 description 1
239000000539 dimer Substances 0.000 description 1
238000004043 dyeing Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000004070 electrodeposition Methods 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
229920001220 nitrocellulos Polymers 0.000 description 1
239000005416 organic matter Substances 0.000 description 1
239000003973 paint Substances 0.000 description 1
WEYVCQFUGFRXOM-UHFFFAOYSA-N perazine Chemical compound C1CN(C)CCN1CCCN1C2=CC=CC=C2SC2=CC=CC=C21 WEYVCQFUGFRXOM-UHFFFAOYSA-N 0.000 description 1
229960002195 perazine Drugs 0.000 description 1
QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
239000002516 radical scavenger Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000012827 research and development Methods 0.000 description 1
230000001568 sexual effect Effects 0.000 description 1
238000002791 soaking Methods 0.000 description 1
HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 1
LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 1
QMKYBPDZANOJGF-UHFFFAOYSA-N trimesic acid Natural products OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 description 1
238000005406 washing Methods 0.000 description 1
238000009941 weaving Methods 0.000 description 1

Landscapes

Separation Using Semi-Permeable Membranes (AREA)

JP63265068A 1988-06-07 1988-10-20 複合半透膜およびその製造方法 Granted JPH0278428A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP63265068A JPH0278428A (ja)	1988-06-07	1988-10-20	複合半透膜およびその製造方法

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP63-140081		1988-06-07
JP14008188		1988-06-07
JP63265068A JPH0278428A (ja)	1988-06-07	1988-10-20	複合半透膜およびその製造方法

Publications (2)

Publication Number	Publication Date
JPH0278428A true JPH0278428A (ja)	1990-03-19
JPH0565213B2 JPH0565213B2 (fr)	1993-09-17

Family

ID=15260519

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP63265068A Granted JPH0278428A (ja)	1988-06-07	1988-10-20	複合半透膜およびその製造方法

Country Status (1)

Country	Link
JP (1)	JPH0278428A (fr)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0465649A4 (en) *	1990-01-26	1992-07-01	Toray Industries, Inc.	Composite semipermeable membrane and production thereof
WO2006038503A1 (fr) *	2004-10-04	2006-04-13	Nitto Denko Corporation	Procédé de fabrication de membrane d’osmose inverse composite
EP2014350A2 (fr)	2001-03-19	2009-01-14	Nitto Denko Corporation	Procédé de traitement des eaux
WO2011078131A1 (fr)	2009-12-22	2011-06-30	東レ株式会社	Membrane semi-perméable et son procédé de fabrication
WO2011105278A1 (fr)	2010-02-23	2011-09-01	東レ株式会社	Membrane semiperméable composite et son procédé de production
WO2012020680A1 (fr)	2010-08-11	2012-02-16	東レ株式会社	Élément membrane de séparation et procédé de production d'une membrane semi-perméable composite
WO2012090862A1 (fr)	2010-12-28	2012-07-05	東レ株式会社	Membrane semi-perméable composite
WO2012137635A1 (fr)	2011-04-01	2012-10-11	東レ株式会社	Membrane semi-perméable composite, élément de membrane semi-perméable composite et procédé de fabrication d'une membrane semi-perméable composite
WO2013108788A1 (fr)	2012-01-16	2013-07-25	東レ株式会社	Membrane semi-perméable composite et son procédé de fabrication
US8518310B2 (en)	2006-10-10	2013-08-27	Nitto Denko Corporation	Process for producing a dried composite semipermeable membrane
WO2013129610A1 (fr)	2012-02-29	2013-09-06	東レ株式会社	Membrane semi-perméable complexe
WO2014003141A1 (fr)	2012-06-27	2014-01-03	東レ株式会社	Membrane composite semi-perméable
KR20140005918A (ko) *	2010-12-20	2014-01-15	제너럴 일렉트릭 캄파니	계면 중합에 의한 폴리설폰아마이드 막
WO2014050701A1 (fr)	2012-09-26	2014-04-03	東レ株式会社	Membrane semi-perméable composite
WO2014133130A1 (fr)	2013-02-28	2014-09-04	東レ株式会社	Membrane composite semi-perméable, et procédé de fabrication de celle-ci
US8851297B2 (en)	2006-10-10	2014-10-07	Nitto Denko Corporation	Composite semipermeable membrane and process for producing the same
JP2017023957A (ja) *	2015-07-24	2017-02-02	日東電工株式会社	複合分離膜及び分離膜エレメント
WO2017111140A1 (fr)	2015-12-25	2017-06-29	東レ株式会社	Membrane semi-perméable composite
WO2018143297A1 (fr)	2017-01-31	2018-08-09	東レ株式会社	Membrane composite semi-perméable et son procédé de fabrication
WO2018221684A1 (fr)	2017-06-01	2018-12-06	東レ株式会社	Membrane de séparation de gaz, élément de membrane de séparation de gaz, appareil de séparation de gaz et procédé de séparation de gaz
WO2019131786A1 (fr)	2017-12-26	2019-07-04	東レ株式会社	Membrane de séparation de gaz, élément de membrane de séparation de gaz et procédé de séparation de gaz
WO2019168137A1 (fr)	2018-02-28	2019-09-06	東レ株式会社	Membrane semi-perméable composite et élément de membrane semi-perméable composite
WO2019168138A1 (fr)	2018-02-28	2019-09-06	東レ株式会社	Membrane semi-perméable composite et élément de membrane semi-perméable composite
WO2021085599A1 (fr)	2019-10-31	2021-05-06	東レ株式会社	Membrane semi-perméable composite
CN117177806A (zh) *	2021-04-22	2023-12-05	东丽株式会社	复合半透膜

1988
- 1988-10-20 JP JP63265068A patent/JPH0278428A/ja active Granted

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0465649A4 (en) *	1990-01-26	1992-07-01	Toray Industries, Inc.	Composite semipermeable membrane and production thereof
EP2014350A2 (fr)	2001-03-19	2009-01-14	Nitto Denko Corporation	Procédé de traitement des eaux
WO2006038503A1 (fr) *	2004-10-04	2006-04-13	Nitto Denko Corporation	Procédé de fabrication de membrane d’osmose inverse composite
JP2006130497A (ja) *	2004-10-04	2006-05-25	Nitto Denko Corp	複合逆浸透膜の製造方法
KR100885591B1 (ko) *	2004-10-04	2009-02-24	닛토덴코 가부시키가이샤	복합 역침투막의 제조 방법
US8851297B2 (en)	2006-10-10	2014-10-07	Nitto Denko Corporation	Composite semipermeable membrane and process for producing the same
US8518310B2 (en)	2006-10-10	2013-08-27	Nitto Denko Corporation	Process for producing a dried composite semipermeable membrane
WO2011078131A1 (fr)	2009-12-22	2011-06-30	東レ株式会社	Membrane semi-perméable et son procédé de fabrication
WO2011105278A1 (fr)	2010-02-23	2011-09-01	東レ株式会社	Membrane semiperméable composite et son procédé de production
WO2012020680A1 (fr)	2010-08-11	2012-02-16	東レ株式会社	Élément membrane de séparation et procédé de production d'une membrane semi-perméable composite
KR20140005918A (ko) *	2010-12-20	2014-01-15	제너럴 일렉트릭 캄파니	계면 중합에 의한 폴리설폰아마이드 막
JP2014501294A (ja) *	2010-12-20	2014-01-20	ゼネラル・エレクトリック・カンパニイ	変性スルホンアミドポリマーマトリクス
WO2012090862A1 (fr)	2010-12-28	2012-07-05	東レ株式会社	Membrane semi-perméable composite
WO2012137635A1 (fr)	2011-04-01	2012-10-11	東レ株式会社	Membrane semi-perméable composite, élément de membrane semi-perméable composite et procédé de fabrication d'une membrane semi-perméable composite
WO2013108788A1 (fr)	2012-01-16	2013-07-25	東レ株式会社	Membrane semi-perméable composite et son procédé de fabrication
WO2013129610A1 (fr)	2012-02-29	2013-09-06	東レ株式会社	Membrane semi-perméable complexe
WO2014003141A1 (fr)	2012-06-27	2014-01-03	東レ株式会社	Membrane composite semi-perméable
US10974205B2 (en)	2012-06-27	2021-04-13	Toray Industries, Inc.	Composite semipermeable membrane
WO2014050701A1 (fr)	2012-09-26	2014-04-03	東レ株式会社	Membrane semi-perméable composite
US9827536B2 (en)	2012-09-26	2017-11-28	Toray Industries, Inc.	Composite semipermeable membrane
WO2014133130A1 (fr)	2013-02-28	2014-09-04	東レ株式会社	Membrane composite semi-perméable, et procédé de fabrication de celle-ci
JP2017023957A (ja) *	2015-07-24	2017-02-02	日東電工株式会社	複合分離膜及び分離膜エレメント
WO2017111140A1 (fr)	2015-12-25	2017-06-29	東レ株式会社	Membrane semi-perméable composite
WO2018143297A1 (fr)	2017-01-31	2018-08-09	東レ株式会社	Membrane composite semi-perméable et son procédé de fabrication
WO2018221684A1 (fr)	2017-06-01	2018-12-06	東レ株式会社	Membrane de séparation de gaz, élément de membrane de séparation de gaz, appareil de séparation de gaz et procédé de séparation de gaz
WO2019131786A1 (fr)	2017-12-26	2019-07-04	東レ株式会社	Membrane de séparation de gaz, élément de membrane de séparation de gaz et procédé de séparation de gaz
WO2019168137A1 (fr)	2018-02-28	2019-09-06	東レ株式会社	Membrane semi-perméable composite et élément de membrane semi-perméable composite
WO2019168138A1 (fr)	2018-02-28	2019-09-06	東レ株式会社	Membrane semi-perméable composite et élément de membrane semi-perméable composite
WO2021085599A1 (fr)	2019-10-31	2021-05-06	東レ株式会社	Membrane semi-perméable composite
KR20220069097A (ko)	2019-10-31	2022-05-26	도레이 카부시키가이샤	복합 반투막
US12318738B2 (en)	2019-10-31	2025-06-03	Toray Industries, Inc.	Composite semi-permeable membrane
CN117177806A (zh) *	2021-04-22	2023-12-05	东丽株式会社	复合半透膜
US12138595B2 (en)	2021-04-22	2024-11-12	Toray Industries, Inc.	Composite semipermeable membrane

Also Published As

Publication number	Publication date
JPH0565213B2 (fr)	1993-09-17

Legal Events

Date	Code	Title	Description
2006-09-17	LAPS	Cancellation because of no payment of annual fees

Publication	Publication Date	Title
JPH0278428A (ja)	1990-03-19	複合半透膜およびその製造方法
US4857363A (en)	1989-08-15	Process for preparation of semipermeable composite membrane
EP0211633B1 (fr)	1991-10-23	Membrane composite semi-perméable
US4606943A (en)	1986-08-19	Method for preparation of semipermeable composite membrane
JPH01180208A (ja)	1989-07-18	複合半透膜の製造方法およびその膜
JPH0374128B2 (fr)	1991-11-26
JPH0494726A (ja)	1992-03-26	複合半透膜およびその製造方法および高純度水の製造方法
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