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PT92292A - Processo para a preparacao de membranas porosas - Google Patents

Processo para a preparacao de membranas porosas

Info

Publication number
PT92292A
PT92292A PT92292A PT9229289A PT92292A PT 92292 A PT92292 A PT 92292A PT 92292 A PT92292 A PT 92292A PT 9229289 A PT9229289 A PT 9229289A PT 92292 A PT92292 A PT 92292A
Authority
PT
Portugal
Prior art keywords
polymer
surfactant
mixture
polymeric material
temperature
Prior art date
Application number
PT92292A
Other languages
English (en)
Other versions
PT92292B (pt
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 PT92292A publication Critical patent/PT92292A/pt
Publication of PT92292B publication Critical patent/PT92292B/pt

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)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • External Artificial Organs (AREA)
  • Medicinal Preparation (AREA)
PT92292A 1988-11-10 1989-11-10 Processo para a preparacao de membranas porosas PT92292B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ139588 1988-11-10

Publications (2)

Publication Number Publication Date
PT92292A true PT92292A (pt) 1990-05-31
PT92292B PT92292B (pt) 1995-08-09

Family

ID=3773496

Family Applications (2)

Application Number Title Priority Date Filing Date
PT92293A PT92293B (pt) 1988-11-10 1989-11-10 Processo de extrusao de membranas de fibras ocas
PT92292A PT92292B (pt) 1988-11-10 1989-11-10 Processo para a preparacao de membranas porosas

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PT92293A PT92293B (pt) 1988-11-10 1989-11-10 Processo de extrusao de membranas de fibras ocas

Country Status (14)

Country Link
EP (2) EP0423249B1 (pt)
JP (2) JP2981752B2 (pt)
KR (3) KR0153450B1 (pt)
CN (2) CN1035927C (pt)
BR (2) BR8907138A (pt)
CA (2) CA2002799C (pt)
DE (2) DE68914149T2 (pt)
DK (2) DK174738B1 (pt)
HK (2) HK129694A (pt)
IE (2) IE62012B1 (pt)
MX (2) MX173564B (pt)
NO (2) NO178289C (pt)
PT (2) PT92293B (pt)
WO (2) WO1990005007A1 (pt)

Families Citing this family (28)

* 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
WO1991017204A1 (en) * 1990-05-09 1991-11-14 Memtec Limited Polyvinylidene fluoride membrane
US5489406A (en) * 1990-05-09 1996-02-06 Memtec Limited Method of making polyvinylidene fluoride membrane
AU726539B2 (en) * 1997-03-06 2000-11-09 Asahi Kasei Kabushiki Kaisha Microporous membrane and process for production thereof
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
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
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
KR100802348B1 (ko) * 2000-06-03 2008-02-13 멤브라나 게엠베하 가수분해 안정성이 향상된 폴리아미드 막 및 이의 제조방법
CN1265868C (zh) 2001-08-01 2006-07-26 旭化成制药株式会社 多层微孔膜
BRPI1004286B1 (pt) * 2009-02-20 2020-03-10 Tredegar Film Products Corporation Filme formado com aberturas hidrofílico e artigo absorvente
EP2452741A4 (en) 2009-07-06 2013-12-04 Sekisui Chemical Co Ltd POLYMERIC MEMBRANE FOR TREATING WATER
WO2012016480A1 (en) * 2010-08-06 2012-02-09 Delta Electronics, Inc. Process for manufacturing porous material
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
CN106938526B (zh) * 2011-09-02 2020-06-30 3M创新有限公司 结网
EP2763843B1 (en) 2011-10-05 2018-11-07 3M Innovative Properties Company Three-dimensional polymeric strand netting, dies, and methods of making the same
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
KR102267825B1 (ko) 2016-05-31 2021-06-24 도레이 카부시키가이샤 다공질 중공사막 및 그의 제조 방법
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
WO2018079807A1 (ja) * 2016-10-31 2018-05-03 東洋紡株式会社 セルロースアセテート系非対称中空糸膜
EP3533515A4 (en) 2016-10-31 2020-06-24 Toyobo Co., Ltd. HOLLOW FIBER MEMBRANE BASED ON CELLULOSE ACETATE
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
US12116326B2 (en) 2021-11-22 2024-10-15 Saudi Arabian Oil Company Conversion of hydrogen sulfide and carbon dioxide into hydrocarbons using non-thermal plasma and a catalyst
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
NO902026D0 (no) 1990-05-08
EP0423249A4 (en) 1991-05-22
JPH03502180A (ja) 1991-05-23
EP0408688A4 (en) 1991-04-17
PT92293A (pt) 1990-05-31
PT92293B (pt) 1995-08-09
NO902027L (no) 1990-07-05
DE68914156T2 (de) 1994-08-25
CA2002798A1 (en) 1990-05-10
BR8907137A (pt) 1991-02-13
WO1990005006A1 (en) 1990-05-17
CN1030169C (zh) 1995-11-01
JP2981752B2 (ja) 1999-11-22
KR900007928A (ko) 1990-06-02
DE68914149D1 (de) 1994-04-28
DK173864B1 (da) 2002-01-07
KR0154525B1 (ko) 1998-11-16
NO178289B (no) 1995-11-20
KR900007461A (ko) 1990-06-01
CN1035927C (zh) 1997-09-24
CN1043636A (zh) 1990-07-11
CA2002799C (en) 2001-01-30
KR0153291B1 (ko) 1999-10-15
DK174738B1 (da) 2003-10-13
DK166490D0 (da) 1990-07-10
CN1049108A (zh) 1991-02-13
IE893629L (en) 1990-05-10
KR0153450B1 (ko) 1998-12-01
DK166390A (da) 1990-07-10
BR8907138A (pt) 1991-02-13
EP0408688B1 (en) 1994-03-23
NO178289C (no) 1996-02-28
MX171938B (es) 1993-11-24
DE68914156D1 (de) 1994-04-28
IE62012B1 (en) 1994-12-14
EP0423249B1 (en) 1994-03-23
WO1990005007A1 (en) 1990-05-17
IE893628L (en) 1990-05-10
NO178610C (no) 1996-05-02
EP0423249A1 (en) 1991-04-24
NO902027D0 (no) 1990-05-08
NO902026L (no) 1990-07-09
HK129794A (en) 1994-12-02
EP0408688A1 (en) 1991-01-23
DK166390D0 (da) 1990-07-10
NO178610B (no) 1996-01-22
IE62001B1 (en) 1994-12-14
DE68914149T2 (de) 1994-08-11
PT92292B (pt) 1995-08-09
DK166490A (da) 1990-07-10
CA2002799A1 (en) 1990-05-10
CA2002798C (en) 2000-08-01
MX173564B (es) 1994-03-16
JPH03502661A (ja) 1991-06-20
HK129694A (en) 1994-12-02
JP2981770B2 (ja) 1999-11-22

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Legal Events

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FG3A Patent granted, date of granting

Effective date: 19950419

PC3A Transfer or assignment

Free format text: U. S. FILTER WASTEWATER GROUP, INC. US

Effective date: 20050328

PD3A Change of proprietorship

Free format text: USF FILTRATION LIMITED AU

Effective date: 20050328

Free format text: PALL FILTRATION AND SAPARATIONS PTY LIMITED AU

Effective date: 20050328

Free format text: USF FILTRATION PTY LIMITED AU

Effective date: 20050328

PC4A Transfer of assignment

Owner name: SIEMENS WATER TECHNOLOGIES CORP., US

Effective date: 20070719

MM4A Annulment/lapse due to non-payment of fees, searched and examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20100419