JPH0253089B2 - - Google Patents

Info

Publication number
JPH0253089B2
JPH0253089B2 JP57135098A JP13509882A JPH0253089B2 JP H0253089 B2 JPH0253089 B2 JP H0253089B2 JP 57135098 A JP57135098 A JP 57135098A JP 13509882 A JP13509882 A JP 13509882A JP H0253089 B2 JPH0253089 B2 JP H0253089B2
Authority
JP
Japan
Prior art keywords
formula
semipermeable membrane
membrane
composite semipermeable
membrane according
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 - Lifetime
Application number
JP57135098A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5926101A (ja
Inventor
Takeyuki Kawaguchi
Koki Tamura
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP13509882A priority Critical patent/JPS5926101A/ja
Publication of JPS5926101A publication Critical patent/JPS5926101A/ja
Publication of JPH0253089B2 publication Critical patent/JPH0253089B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyamides (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
JP13509882A 1982-08-04 1982-08-04 複合半透膜 Granted JPS5926101A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13509882A JPS5926101A (ja) 1982-08-04 1982-08-04 複合半透膜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13509882A JPS5926101A (ja) 1982-08-04 1982-08-04 複合半透膜

Publications (2)

Publication Number Publication Date
JPS5926101A JPS5926101A (ja) 1984-02-10
JPH0253089B2 true JPH0253089B2 (enrdf_load_stackoverflow) 1990-11-15

Family

ID=15143784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13509882A Granted JPS5926101A (ja) 1982-08-04 1982-08-04 複合半透膜

Country Status (1)

Country Link
JP (1) JPS5926101A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085777A (en) * 1990-08-31 1992-02-04 E. I. Du Pont De Nemours And Company Reverse osmosis membranes of polyamideurethane
EP1382378B9 (en) 2001-03-19 2010-05-26 Nitto Denko Corporation Composite semipermeable membrane, method for preparing the same and method for water treatment using the same
US10155203B2 (en) * 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744642A (en) * 1970-12-30 1973-07-10 Westinghouse Electric Corp Interface condensation desalination membranes
JPS5543367B2 (enrdf_load_stackoverflow) * 1975-01-08 1980-11-06
JPS52152879A (en) * 1976-06-16 1977-12-19 Toray Ind Inc Thin membrane for reverse osmosis of high capacity
JPS5857963B2 (ja) * 1979-08-20 1983-12-22 日東電工株式会社 複合透過膜の製造方法
JPS5640403A (en) * 1979-09-12 1981-04-16 Toray Ind Inc High-performance semipermeable composite membrane
JPS56129007A (en) * 1980-03-14 1981-10-08 Nitto Electric Ind Co Ltd Manufacture of composite semipermeable membrane
JPS5824303A (ja) * 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜

Also Published As

Publication number Publication date
JPS5926101A (ja) 1984-02-10

Similar Documents

Publication Publication Date Title
EP0085111B1 (en) Composite semipermeable membrane, process for its production, and method of its use
US4769148A (en) Novel polyamide reverse osmosis membranes
US4859384A (en) Novel polyamide reverse osmosis membranes
US5358745A (en) Method of making thin-film composite membranes
KR100894495B1 (ko) 보론제거성능이 우수한 역삼투 분리막 및 그 제조방법
US4830885A (en) Chlorine-resistant semipermeable membranes
EP1926544A1 (en) Preparation method of polyamide thin film composite reverse osmosis membrane and polyamide thin film composite reverse osmosis membrane prepared therefrom
EP0498596A1 (en) Process for the manufacture of thin film composite membranes
US9089820B2 (en) Selective membrane having a high fouling resistance
JP2001025648A (ja) 逆浸透および／またはナノ濾過のための界面重合されたビピペリジン−ポリアミド膜およびその製造方法
JP2000117074A (ja) 逆浸透膜の製造方法
KR19980068279A (ko) 가교 폴리아미드계 역삼투 분리막의 제조방법
JPH0253089B2 (enrdf_load_stackoverflow)
EP0311912B1 (en) Multilayer reverse osmosis membrane in which one layer is poly-meta-phenylene tetrahydrofuran-2,3,4,5-tetracarboxamide
JPH0239299B2 (enrdf_load_stackoverflow)
US4919808A (en) Semipermeable membrane compositions
KR100666483B1 (ko) 고염제거율의 폴리아미드계 역삼투 분리막의 제조방법
JPS59179111A (ja) 耐久性複合膜の製造方法
KR100506537B1 (ko) 가교 폴리아미드계 역삼투 분리막의 제조방법
KR100477587B1 (ko) 폴리아미드계 복합소재 분리막 제조방법
JPH0119921B2 (enrdf_load_stackoverflow)
JPS6332482B2 (enrdf_load_stackoverflow)
JPH0119922B2 (enrdf_load_stackoverflow)
JP2797377B2 (ja) 複合半透膜およびその製造方法
JP3168567B2 (ja) 複合半透膜の製造方法