KR930012087A - Polysulfone hollow fiber membrane and its manufacturing method - Google Patents

Polysulfone hollow fiber membrane and its manufacturing method Download PDF

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Publication number
KR930012087A
KR930012087A KR1019910024236A KR910024236A KR930012087A KR 930012087 A KR930012087 A KR 930012087A KR 1019910024236 A KR1019910024236 A KR 1019910024236A KR 910024236 A KR910024236 A KR 910024236A KR 930012087 A KR930012087 A KR 930012087A
Authority
KR
South Korea
Prior art keywords
membrane
hollow fiber
spinning
polysulfone hollow
fiber membrane
Prior art date
Application number
KR1019910024236A
Other languages
Korean (ko)
Other versions
KR100192744B1 (en
Inventor
박인섭
최수명
노일준
Original Assignee
공정곤
동양나이론 주식회사
배도
동양폴리에스터 주식회사
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 공정곤, 동양나이론 주식회사, 배도, 동양폴리에스터 주식회사 filed Critical 공정곤
Priority to KR1019910024236A priority Critical patent/KR100192744B1/en
Publication of KR930012087A publication Critical patent/KR930012087A/en
Application granted granted Critical
Publication of KR100192744B1 publication Critical patent/KR100192744B1/en

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Classifications

    • 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0016—Coagulation
    • 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
    • B01D69/085—Details relating to the spinneret
    • 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
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/021—Pore shapes
    • 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
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0231—Dense layers being placed on the outer side of the cross-section
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)

Abstract

본 발명은 폴리설폰중공섬유막 및 그 제조방법에 관한 것으로, 막 외표면과 내표면은 스킨층구조, 막 내부는 망상구조, 막 외표면에는 둥근 미세기공을, 막 내표면에는 스릿트형 미세기공구조를 갖고, 막 내부구조로 외측과 내측은 치밀층을, 외측과 내측 사이는 공동을 이룬 폴리설폰중공섬유막이며, 폴리설폰수지와 수용성 고분자로 된 방사원액을 2중관형노즐로 방사할 때 내부응고액의 응고가를 30-35로 하고, 방사높이를 5-30cm으로 하여 방사하는 제조방법으로, 내표면의 스릿트형 기공 및 막내부의 공동에 의해 고투수성을 가지며, 막내부의 망상구조 및 내부구조의 안쪽과 바까쪽의 치밀층으로 막의 기계적 성질 특히 강 신도가 우수하다.The present invention relates to a polysulfone hollow fiber membrane and a method for manufacturing the same, wherein the outer surface and the inner surface of the membrane are skin layer structures, the inside of the membrane is a network structure, round micropores on the outer surface of the membrane, and a split type microporous structure on the inner surface of the membrane. It is a polysulfone hollow fiber membrane having a dense layer on the outside and the inside, and a cavity formed between the outside and the inside with a membrane inner structure, and when spinning the spinning solution containing polysulfone resin and water-soluble polymer with a double tube nozzle It is a manufacturing method of spinning with solid solution cost of 30-35 and spinning height of 5-30cm.It has high permeability due to the split pores on the inner surface and the cavity inside the membrane. It is a dense layer on the inner side and the back side, and has excellent mechanical properties, especially strength.

Description

폴리설폰 중공섬유막 및 그 제조방법Polysulfone hollow fiber membrane and its manufacturing method

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

Claims (3)

막 외표면과 내표면은 스킨층으로 되어 있고, 막 내부구조는 망상구조로 되어 있으며, 상기 막 외표면에는 둥근 미세기공을, 상기 막 내표면에는 스릿트형 미세기공을 갖고, 상기 막 내부구조는 외측과 내측이 치밀층이고 상기 외측과 내측의 치밀층 사이에 존재하는 공동으로 이루어진 폴리설폰중공섬유막.The outer surface and the inner surface of the membrane are skin layers, the inner structure of the membrane is a network structure, the outer surface of the membrane has micropores and the split surface micropores, and the inner structure of the membrane A polysulfone hollow fiber membrane having a dense layer on the outer side and the inner side and having a cavity existing between the outer and inner dense layers. 제1항에 있어서, 상기 막 외표면의 둥근 미세기공의 지름이 0.02내지 0.5μ이고, 상기 막 내표면의 스릿트형 미세가공의 폭이 0.02내지 0.5μ이며, 상기 막 내부의 공동은 5내지 15μ인 것을 특징으로 하는 폴리설폰중공섬유막.According to claim 1, wherein the diameter of the round micropores of the outer surface of the membrane is 0.02 to 0.5μ, the width of the split micro-machining of the inner surface of the membrane is 0.02 to 0.5μ, the cavity inside the membrane is 5 to 15μ Polysulfone hollow fiber membrane, characterized in that. 폴리설폰수지와 수용성 고분자로 이루어진 방사원액을 2중 관형노즐을 통하여 방사하여 폴리설폰중공사막을 제조하되, 내부응고액의 응고가를 30내지 35로 하고 방사높이를 5내지 30cm으로 하여 방사하는 것을 특징으로 하는 폴리설폰중공섬유막의 제조방법.The spinning solution containing polysulfone resin and water-soluble polymer is spun through a double tubular nozzle to produce a polysulfone hollow fiber membrane, and the spinning of the internal coagulating solution is made at 30 to 35 and the spinning height is 5 to 30 cm. Method for producing a polysulfone hollow fiber membrane characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910024236A 1991-12-24 1991-12-24 Polysulphone hollow fiber and the producing method KR100192744B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910024236A KR100192744B1 (en) 1991-12-24 1991-12-24 Polysulphone hollow fiber and the producing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910024236A KR100192744B1 (en) 1991-12-24 1991-12-24 Polysulphone hollow fiber and the producing method

Publications (2)

Publication Number Publication Date
KR930012087A true KR930012087A (en) 1993-07-20
KR100192744B1 KR100192744B1 (en) 1999-06-15

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Application Number Title Priority Date Filing Date
KR1019910024236A KR100192744B1 (en) 1991-12-24 1991-12-24 Polysulphone hollow fiber and the producing method

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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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KR100192744B1 (en) 1999-06-15

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