AU4622789A - Porous membranes - Google Patents

Porous membranes

Info

Publication number
AU4622789A
AU4622789A AU46227/89A AU4622789A AU4622789A AU 4622789 A AU4622789 A AU 4622789A AU 46227/89 A AU46227/89 A AU 46227/89A AU 4622789 A AU4622789 A AU 4622789A AU 4622789 A AU4622789 A AU 4622789A
Authority
AU
Australia
Prior art keywords
porous membranes
membranes
porous
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.)
Granted
Application number
AU46227/89A
Other versions
AU621428B2 (en
Inventor
Douglas Lyons Ford
Clinton Virgil Kopp
Robert John William Streeton
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.)
Siemens Water Technologies Holding Corp
Original Assignee
Siemens Water Technologies Corp
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 Siemens Water Technologies Corp filed Critical Siemens Water Technologies Corp
Priority to AU46227/89A priority Critical patent/AU621428B2/en
Publication of AU4622789A publication Critical patent/AU4622789A/en
Application granted granted Critical
Publication of AU621428B2 publication Critical patent/AU621428B2/en
Assigned to U.S. FILTER WASTEWATER GROUP, INC. reassignment U.S. FILTER WASTEWATER GROUP, INC. Alteration of Name(s) in Register under S187 Assignors: MEMTEC LIMITED
Assigned to SIEMENS WATER TECHNOLOGIES CORP. reassignment SIEMENS WATER TECHNOLOGIES CORP. Request to Amend Deed and Register Assignors: U.S. FILTER WASTEWATER GROUP, INC.
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B01D2325/022—Asymmetric membranes
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU46227/89A 1988-11-10 1989-11-10 Porous membranes Expired AU621428B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU46227/89A AU621428B2 (en) 1988-11-10 1989-11-10 Porous membranes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPJ139588 1988-11-10
AUPJ1395 1988-11-10
AU46227/89A AU621428B2 (en) 1988-11-10 1989-11-10 Porous membranes

Publications (2)

Publication Number Publication Date
AU4622789A true AU4622789A (en) 1990-05-28
AU621428B2 AU621428B2 (en) 1992-03-12

Family

ID=25627542

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46227/89A Expired AU621428B2 (en) 1988-11-10 1989-11-10 Porous membranes

Country Status (1)

Country Link
AU (1) AU621428B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100943234B1 (en) * 2005-05-16 2010-02-18 에스케이에너지 주식회사 Microporous polyethylene film through liquid-liquid phase separation mechanism and preparing method thereof

Family Cites Families (3)

* 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
JPS5766114A (en) * 1980-10-14 1982-04-22 Mitsubishi Rayon Co Ltd Porous polyethylene hollow fiber and its production
US4778601A (en) * 1984-10-09 1988-10-18 Millipore Corporation Microporous membranes of ultrahigh molecular weight polyethylene

Also Published As

Publication number Publication date
AU621428B2 (en) 1992-03-12

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: U.S. FILTER WASTEWATER GROUP, INC.

Free format text: FORMER OWNER WAS: MEMTEC LIMITED