GB2352719B - Composite polyamide reverse osmosis membrane and method of producing the same - Google Patents

Composite polyamide reverse osmosis membrane and method of producing the same

Info

Publication number
GB2352719B
GB2352719B GB9918113A GB9918113A GB2352719B GB 2352719 B GB2352719 B GB 2352719B GB 9918113 A GB9918113 A GB 9918113A GB 9918113 A GB9918113 A GB 9918113A GB 2352719 B GB2352719 B GB 2352719B
Authority
GB
United Kingdom
Prior art keywords
producing
same
reverse osmosis
osmosis membrane
polyamide reverse
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
GB9918113A
Other versions
GB9918113D0 (en
GB2352719A (en
Inventor
Ja Young Koo
Dae Woo Ihm
Soon Sik Kim
Young Seo Yoon
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 Chemical Korea Inc
Original Assignee
Saehan 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.)
Filing date
Publication date
Application filed by Saehan Industries Inc filed Critical Saehan Industries Inc
Priority to GB9918113A priority Critical patent/GB2352719B/en
Publication of GB9918113D0 publication Critical patent/GB9918113D0/en
Publication of GB2352719A publication Critical patent/GB2352719A/en
Application granted granted Critical
Publication of GB2352719B publication Critical patent/GB2352719B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/04—Preparatory processes
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB9918113A 1999-08-03 1999-08-03 Composite polyamide reverse osmosis membrane and method of producing the same Expired - Lifetime GB2352719B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9918113A GB2352719B (en) 1999-08-03 1999-08-03 Composite polyamide reverse osmosis membrane and method of producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9918113A GB2352719B (en) 1999-08-03 1999-08-03 Composite polyamide reverse osmosis membrane and method of producing the same

Publications (3)

Publication Number Publication Date
GB9918113D0 GB9918113D0 (en) 1999-10-06
GB2352719A GB2352719A (en) 2001-02-07
GB2352719B true GB2352719B (en) 2003-05-28

Family

ID=10858374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9918113A Expired - Lifetime GB2352719B (en) 1999-08-03 1999-08-03 Composite polyamide reverse osmosis membrane and method of producing the same

Country Status (1)

Country Link
GB (1) GB2352719B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114699930B (en) * 2022-03-01 2023-04-14 郑州大学 Polyazacyclic amide membrane for dye wastewater treatment and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4872984A (en) * 1988-09-28 1989-10-10 Hydranautics Corporation Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
US5336409A (en) * 1992-01-22 1994-08-09 Nitto Denko Corporation Composite reverse osmosis membrane and novel acid chloride
US5843351A (en) * 1994-12-22 1998-12-01 Nitto Denko Corporation Highly permeable composite reverse osmosis membrane, method of producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4872984A (en) * 1988-09-28 1989-10-10 Hydranautics Corporation Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
US5336409A (en) * 1992-01-22 1994-08-09 Nitto Denko Corporation Composite reverse osmosis membrane and novel acid chloride
US5843351A (en) * 1994-12-22 1998-12-01 Nitto Denko Corporation Highly permeable composite reverse osmosis membrane, method of producing the same

Also Published As

Publication number Publication date
GB9918113D0 (en) 1999-10-06
GB2352719A (en) 2001-02-07

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190802