KR930012088A - Polysulfone Hollow Fiber Membrane and Manufacturing Method Thereof - Google Patents

Polysulfone Hollow Fiber Membrane and Manufacturing Method Thereof Download PDF

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Publication number
KR930012088A
KR930012088A KR1019910025375A KR910025375A KR930012088A KR 930012088 A KR930012088 A KR 930012088A KR 1019910025375 A KR1019910025375 A KR 1019910025375A KR 910025375 A KR910025375 A KR 910025375A KR 930012088 A KR930012088 A KR 930012088A
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KR
South Korea
Prior art keywords
hollow fiber
fiber membrane
polysulfone
fish
water permeability
Prior art date
Application number
KR1019910025375A
Other languages
Korean (ko)
Other versions
KR950004918B1 (en
Inventor
김재협
최기석
김미휘
Original Assignee
하기주
주식회사 코오롱
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Priority to KR1019910025375A priority Critical patent/KR950004918B1/en
Publication of KR930012088A publication Critical patent/KR930012088A/en
Application granted granted Critical
Publication of KR950004918B1 publication Critical patent/KR950004918B1/en

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    • 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
    • B01D69/087—Details relating to the spinning process
    • 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
    • B01D69/082—Hollow fibre membranes characterised by the cross-sectional shape of the fibre
    • 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
    • B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
    • B01D71/441—Polyvinylpyrrolidone
    • 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
    • B01D71/521—Aliphatic polyethers
    • B01D71/5211—Polyethylene glycol or polyethyleneoxide
    • 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/219—Specific solvent system
    • B01D2323/22—Specific non-solvents or non-solvent system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/026—Sponge structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02832—1-10 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02833—Pore size more than 10 and up to 100 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/34—Molecular weight or degree of polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)

Abstract

본 발명은 폴리술폰계 수지; 용매; 폴리비닐피롤리돈 및 폴리에틸렌글리콜에서 선택된 친수성 고분자; 및 물과 탄소수 1-4의 1가 알콜류에서 선택된 비용매로 구성되며, 친수성 고분자와 비용매의 비가 1:1-3.5:1인 방사원액을 사용하여 외표면에 평균크기가 50-500Å의 미세포어가 형성되고, 내표면에 100-500Å의 슬리트상 미세포어를 가지며, 막내부가 균일한 스폰지 구조이며 수투과계수가 100-600l/㎡.hr.kg/㎠인 폴리술폰계 중공사막 및 그 제조방법을 제공하는 것이며, 본 발명의 폴리술폰계 중공사막은 투수성 및 내압성이 우수하여 산업용에 적합하고 세정이 용이하다.The present invention is a polysulfone resin; menstruum; Hydrophilic polymers selected from polyvinylpyrrolidone and polyethylene glycol; And a nonsolvent selected from water and monohydric alcohols having 1 to 4 carbon atoms, and using a spinning stock solution having a ratio of a hydrophilic polymer and a nonsolvent of 1: 1-3.5: 1 Polysulfone hollow fiber membrane having pores formed, 100-500 mm / slot microcellular fish on inner surface, uniform sponge structure and water permeability coefficient of 100-600 l / m 2 .hr.kg / ㎠ To provide a method, the polysulfone hollow fiber membrane of the present invention is excellent in water permeability and pressure resistance, suitable for industrial use and easy to clean.

Description

폴리술폰계 중공사막 및 그 제조방법Polysulfone Hollow Fiber Membrane and Manufacturing Method Thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (4)

외표면에 편균크기가 50-500Å의 미세포어가 형성되고 내표면에 100-500Å의 슬리트상 미세포어를 가지고 막내부가 균일한 스폰지 구조이며 수투과계수가 100-600l/㎡.hr.kg/㎠인 폴리술폰계 중공사막.50-500Å microcellular fish with a flattening size on the outer surface, 100-500Å slits-shaped microcellular fish on the inner surface, uniform sponge structure inside the membrane, water permeability coefficient 100-600l / ㎡.hr.kg / ㎠ Polysulfone hollow fiber membrane. 폴리술폰계 수지; 용매; 친수성 고분자; 및 비용매로 구성되며 천수성 고분자돠 비용매의 비가 1:1-3.5:1인 방사원액을 사용함을 특징으로하여 외표면에 평균크기가 50-500Å의 미세포어가 형성되고 내표면에 100-500Å의 슬리트상 미세포어를 가지며 막내부가 균일한 스폰지 구조이며 수투과계수가 100-600l/㎡.hr.kg/㎠인 폴리술폰계 중공사막을 제조하는 방법.Polysulfone resins; menstruum; Hydrophilic polymers; And non-solvent, and using the spinning stock solution with a ratio of 1: 1 to 3.5: 1 of non-solvent polymer 돠 non-solvent, 50-500 평균 microcell fish are formed on the outer surface and 100-500 에 A method for producing a polysulfone-based hollow fiber membrane having a slit-like microcellular fish with a uniform sponge structure and a water permeability coefficient of 100-600 l / m 2 .hr.kg / cm 2. 제2항에서 친수성 고분자가 분자량 10,000-36,000의 폴리비닐피롤리돈 및 분자량 200-35,000의 폴리에틸렌글리콜에서 선택된 친수성 고분자인 방법.The method of claim 2 wherein the hydrophilic polymer is a hydrophilic polymer selected from polyvinylpyrrolidone having a molecular weight of 10,000-36,000 and polyethylene glycol of a molecular weight of 200-35,000. 제2항에서 비용매가 물 또는 탄소수 1-4의 1가 알콜류에서 선택된 알콜류인 방법.The method of claim 2, wherein the nonsolvent is an alcohol selected from water or monohydric alcohols having 1 to 4 carbon atoms. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910025375A 1991-12-30 1991-12-30 Manufacturing method for polysulfone membrane KR950004918B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910025375A KR950004918B1 (en) 1991-12-30 1991-12-30 Manufacturing method for polysulfone membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910025375A KR950004918B1 (en) 1991-12-30 1991-12-30 Manufacturing method for polysulfone membrane

Publications (2)

Publication Number Publication Date
KR930012088A true KR930012088A (en) 1993-07-20
KR950004918B1 KR950004918B1 (en) 1995-05-16

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ID=19326886

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910025375A KR950004918B1 (en) 1991-12-30 1991-12-30 Manufacturing method for polysulfone membrane

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100493113B1 (en) * 2001-12-07 2005-05-31 주식회사 코오롱 A braid-reinforced hollow fiber membrane

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