HK129694A - Porous membranes - Google Patents

Porous membranes

Info

Publication number
HK129694A
HK129694A HK129694A HK129694A HK129694A HK 129694 A HK129694 A HK 129694A HK 129694 A HK129694 A HK 129694A HK 129694 A HK129694 A HK 129694A HK 129694 A HK129694 A HK 129694A
Authority
HK
Hong Kong
Prior art keywords
polymer
surfactant
mixture
polymeric material
temperature
Prior art date
Application number
HK129694A
Other languages
English (en)
Inventor
Douglas Lyons Ford
Clinton Virgil Kopp
Robert John William Streeton
Original Assignee
Memtec 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 Memtec Ltd filed Critical Memtec Ltd
Publication of HK129694A publication Critical patent/HK129694A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • 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
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2201/00—Foams characterised by the foaming process
    • C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
    • C08J2201/052—Inducing phase separation by thermal treatment, e.g. cooling a solution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)
  • Medicinal Preparation (AREA)
HK129694A 1988-11-10 1994-11-24 Porous membranes HK129694A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ139588 1988-11-10
PCT/AU1989/000481 WO1990005007A1 (en) 1988-11-10 1989-11-10 Porous membranes

Publications (1)

Publication Number Publication Date
HK129694A true HK129694A (en) 1994-12-02

Family

ID=3773496

Family Applications (2)

Application Number Title Priority Date Filing Date
HK129794A HK129794A (en) 1988-11-10 1994-11-24 Extrusion of hollow fibre membranes
HK129694A HK129694A (en) 1988-11-10 1994-11-24 Porous membranes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK129794A HK129794A (en) 1988-11-10 1994-11-24 Extrusion of hollow fibre membranes

Country Status (14)

Country Link
EP (2) EP0423249B1 (ko)
JP (2) JP2981752B2 (ko)
KR (3) KR0153450B1 (ko)
CN (2) CN1030169C (ko)
BR (2) BR8907138A (ko)
CA (2) CA2002798C (ko)
DE (2) DE68914149T2 (ko)
DK (2) DK173864B1 (ko)
HK (2) HK129794A (ko)
IE (2) IE62012B1 (ko)
MX (2) MX173564B (ko)
NO (2) NO178610C (ko)
PT (2) PT92292B (ko)
WO (2) WO1990005006A1 (ko)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02208330A (ja) * 1989-02-08 1990-08-17 Asahi Chem Ind Co Ltd 糸状またはフィルム状セルロース多孔体及びその製造方法
JPH02208331A (ja) * 1989-02-08 1990-08-17 Asahi Chem Ind Co Ltd 改質したセルロース多孔体
JP3442384B2 (ja) * 1990-05-09 2003-09-02 メムテック・リミテッド ポリビニリデンフルオライド膜
US5489406A (en) * 1990-05-09 1996-02-06 Memtec Limited Method of making polyvinylidene fluoride membrane
EP0965610A4 (en) * 1997-03-06 2002-04-24 Asahi Chemical Ind MICROPOROUS MEMBRANE AND PREPARATION METHOD
JP4775984B2 (ja) * 1999-09-21 2011-09-21 旭化成ケミカルズ株式会社 中空糸状多孔膜の溶融製膜方法
JP4623780B2 (ja) * 1999-09-21 2011-02-02 旭化成ケミカルズ株式会社 溶融製膜方法
JP4605840B2 (ja) * 1999-09-21 2011-01-05 旭化成ケミカルズ株式会社 中空糸状多孔膜の製膜方法
AU2001269034A1 (en) * 2000-06-03 2001-12-17 Membrana Gmbh Polyamide membrane exhibiting an increased hydrolysis stability and method for the production thereof
US7140496B2 (en) 2001-08-01 2006-11-28 Asahi Kasei Medical Co., Ltd. Multilayer microporous membrane
BRPI1004286B1 (pt) * 2009-02-20 2020-03-10 Tredegar Film Products Corporation Filme formado com aberturas hidrofílico e artigo absorvente
WO2011004786A1 (ja) * 2009-07-06 2011-01-13 積水化学工業株式会社 高分子水処理膜
JP5674937B2 (ja) * 2010-08-06 2015-02-25 デルタ エレクトロニクス インコーポレーテッド 多孔質材料を製造する方法
DE102010035698A1 (de) * 2010-08-27 2012-03-01 Innowa Gmbh Mehrkanalmembran
KR20120111990A (ko) * 2011-03-31 2012-10-11 유인식 식물 지방산이 함유된 합성섬유의 제조방법
CN103764367B (zh) * 2011-09-02 2017-05-31 3M创新有限公司 股线、结网、模头及其制造方法
CN109177254B (zh) 2011-10-05 2021-05-14 3M创新有限公司 三维聚合物股线结网、模头和制备它们的方法
US10389876B2 (en) 2014-02-28 2019-08-20 Ultratec, Inc. Semiautomated relay method and apparatus
CN105561812A (zh) * 2014-10-09 2016-05-11 中国石油化工股份有限公司 耐氧化聚丙烯腈超滤膜及其制备方法
CN104786472A (zh) * 2015-03-20 2015-07-22 巢湖市荷花渔网有限公司 一种鱼线牵伸冷却液
AU2017272761B2 (en) 2016-05-31 2021-12-23 Toray Industries, Inc. Porous hollow-fiber membrane and production process therefor
CN106521654B (zh) * 2016-10-21 2019-04-12 中国科学院大连化学物理研究所 中空纤维膜纺丝喷头及制备中空纤维膜的方法
US11007490B2 (en) 2016-10-31 2021-05-18 Toyobo Co., Ltd. Cellulose acetate-based hollow fiber membrane
CN109890490B (zh) * 2016-10-31 2021-10-12 东洋纺株式会社 醋酸纤维素系非对称中空纤维膜
US10889915B2 (en) 2018-01-31 2021-01-12 Saudi Arabian Oil Company Producing fibers using spinnerets
CN112267300B (zh) * 2020-09-11 2021-10-26 东华大学 一种静电纺纤维基超薄连续纳米蛛网纤维材料及其制备方法
CN117248892B (zh) * 2023-11-16 2024-02-13 东营长缨石油技术有限公司 亲油疏水性油田用示踪剂及其制备方法与应用

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378507A (en) * 1961-12-20 1968-04-16 Gen Electric Producing microporous polymers
US4020230A (en) * 1975-10-03 1977-04-26 The Dow Chemical Company Microporous polyethylene hollow fibers and process of preparing them
IL52259A (en) * 1976-06-22 1981-02-27 Akzo Nv Dialysis membrane and its manufacture
JPS603842B2 (ja) * 1976-09-03 1985-01-31 住友電気工業株式会社 非対称孔径薄膜材料とその製造方法
US4110153A (en) * 1977-09-08 1978-08-29 Ppg Industries, Inc. Method of forming a microporous diaphragm
NO153879C (no) * 1978-07-31 1986-06-11 Akzo Nv Fremstilling av en membran med poroes overflate.
DE3026718A1 (de) * 1980-07-15 1982-02-04 Akzo Gmbh, 5600 Wuppertal Hohlfasermembran fuer die plasmaseparation
JPS5766114A (en) * 1980-10-14 1982-04-22 Mitsubishi Rayon Co Ltd Porous polyethylene hollow fiber and its production
DE3205289C2 (de) * 1982-02-15 1984-10-31 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von porösen Körpern mit einstellbarem Gesamtporenvolumen, einstellbarer Porengröße und einstellbarer Porenwandung
DE3481817D1 (de) * 1983-07-30 1990-05-10 Akzo Gmbh Poren aufweisende formkoerper.
US4778601A (en) * 1984-10-09 1988-10-18 Millipore Corporation Microporous membranes of ultrahigh molecular weight polyethylene
US4726989A (en) * 1986-12-11 1988-02-23 Minnesota Mining And Manufacturing Microporous materials incorporating a nucleating agent and methods for making same

Also Published As

Publication number Publication date
CN1043636A (zh) 1990-07-11
EP0408688B1 (en) 1994-03-23
EP0423249A4 (en) 1991-05-22
NO178289B (no) 1995-11-20
PT92293A (pt) 1990-05-31
EP0408688A1 (en) 1991-01-23
NO178289C (no) 1996-02-28
CN1035927C (zh) 1997-09-24
IE893629L (en) 1990-05-10
JPH03502661A (ja) 1991-06-20
CA2002799C (en) 2001-01-30
WO1990005006A1 (en) 1990-05-17
CN1030169C (zh) 1995-11-01
DK166390A (da) 1990-07-10
MX173564B (es) 1994-03-16
KR0153450B1 (ko) 1998-12-01
DK166490D0 (da) 1990-07-10
PT92292B (pt) 1995-08-09
DK174738B1 (da) 2003-10-13
MX171938B (es) 1993-11-24
JP2981752B2 (ja) 1999-11-22
HK129794A (en) 1994-12-02
DK173864B1 (da) 2002-01-07
EP0408688A4 (en) 1991-04-17
NO178610B (no) 1996-01-22
IE62012B1 (en) 1994-12-14
IE893628L (en) 1990-05-10
EP0423249B1 (en) 1994-03-23
KR0153291B1 (ko) 1999-10-15
KR900007461A (ko) 1990-06-01
EP0423249A1 (en) 1991-04-24
PT92292A (pt) 1990-05-31
NO902027L (no) 1990-07-05
DE68914156D1 (de) 1994-04-28
DE68914149D1 (de) 1994-04-28
NO902027D0 (no) 1990-05-08
BR8907137A (pt) 1991-02-13
WO1990005007A1 (en) 1990-05-17
CA2002799A1 (en) 1990-05-10
DK166390D0 (da) 1990-07-10
CA2002798C (en) 2000-08-01
DE68914149T2 (de) 1994-08-11
NO902026D0 (no) 1990-05-08
NO178610C (no) 1996-05-02
IE62001B1 (en) 1994-12-14
DE68914156T2 (de) 1994-08-25
NO902026L (no) 1990-07-09
DK166490A (da) 1990-07-10
JPH03502180A (ja) 1991-05-23
KR0154525B1 (ko) 1998-11-16
KR900007928A (ko) 1990-06-02
CN1049108A (zh) 1991-02-13
PT92293B (pt) 1995-08-09
BR8907138A (pt) 1991-02-13
CA2002798A1 (en) 1990-05-10
JP2981770B2 (ja) 1999-11-22

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Legal Events

Date Code Title Description
PF Patent in force
AS Change of ownership

Owner name: U.S. FILTER WASTEWATER GROUP

Free format text: FORMER OWNER(S): PALL FILTRATION AND SEPARATIONS PTY LIMITED ?

CHPA Change of a particular in the register (except of change of ownership)
PE Patent expired

Effective date: 20091109