BR8902218A - Processo para preparacao de membrana de polimero microporosa de celula aberta,processo para formacao de membrana microporosa de celula aberta a membrana microporosa - Google Patents

Processo para preparacao de membrana de polimero microporosa de celula aberta,processo para formacao de membrana microporosa de celula aberta a membrana microporosa

Info

Publication number
BR8902218A
BR8902218A BR898902218A BR8902218A BR8902218A BR 8902218 A BR8902218 A BR 8902218A BR 898902218 A BR898902218 A BR 898902218A BR 8902218 A BR8902218 A BR 8902218A BR 8902218 A BR8902218 A BR 8902218A
Authority
BR
Brazil
Prior art keywords
membranes
microporous
cold
formation
preparation
Prior art date
Application number
BR898902218A
Other languages
English (en)
Inventor
Harold Manly Fisher
Daniel Edward Leone
Original Assignee
Hoechst Celanese 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 Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Publication of BR8902218A publication Critical patent/BR8902218A/pt

Links

Classifications

    • 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
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • 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
    • 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
    • B01D2325/0281—Fibril, or microfibril structures
    • 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
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
BR898902218A 1988-05-12 1989-05-12 Processo para preparacao de membrana de polimero microporosa de celula aberta,processo para formacao de membrana microporosa de celula aberta a membrana microporosa BR8902218A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19332788A 1988-05-12 1988-05-12

Publications (1)

Publication Number Publication Date
BR8902218A true BR8902218A (pt) 1990-01-02

Family

ID=22713184

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898902218A BR8902218A (pt) 1988-05-12 1989-05-12 Processo para preparacao de membrana de polimero microporosa de celula aberta,processo para formacao de membrana microporosa de celula aberta a membrana microporosa

Country Status (7)

Country Link
EP (1) EP0342026B1 (pt)
JP (1) JPH06104735B2 (pt)
KR (1) KR940001854B1 (pt)
AT (1) ATE129167T1 (pt)
BR (1) BR8902218A (pt)
DE (1) DE68924552T2 (pt)
ES (1) ES2079377T3 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2628788B2 (ja) * 1990-08-09 1997-07-09 宇部興産株式会社 微多孔性膜の製造方法及びその方法で製造される耐溶断性微多孔性膜
NL9101876A (nl) * 1991-11-11 1993-06-01 Dsm Nv Werkwijze voor het vervaardigen van een stoomsteriliseerbaar poreus polyolefinemembraan en bij 134 graden celsius stoomsteriliseerbaar polyetheenmembraan.
US5843358A (en) * 1992-11-12 1998-12-01 Dsm N.V. Process for producing a steam-sterilizable porous polyolefin membrane and polyethylene membrane steam-sterlizable at 134° C.
US6027721A (en) * 1996-05-20 2000-02-22 Cytotherapeutics, Inc. Device and method for encapsulated gene therapy
US8043508B2 (en) 2000-01-18 2011-10-25 Asahi Kasei Chemicals Corporation Method for purifying suspended water by membrane filtration
US8795565B2 (en) * 2006-02-21 2014-08-05 Celgard Llc Biaxially oriented microporous membrane
JP5202816B2 (ja) * 2006-04-07 2013-06-05 東レバッテリーセパレータフィルム株式会社 ポリオレフィン微多孔膜及びその製造方法
US9362540B2 (en) 2011-09-17 2016-06-07 Sekisui Chemical Co., Ltd. Method for producing propylene-based resin microporous film and propylene-based resin microporous film
KR101350602B1 (ko) * 2013-02-12 2014-01-13 삼성토탈 주식회사 원적외선 및/또는 텐터 어닐링법을 포함하는 폴리올레핀계 분리막의 제조방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801404A (en) * 1970-10-28 1974-04-02 Celanese Corp Novel open-celled microporous film
US3839240A (en) * 1971-03-18 1974-10-01 Celanese Corp High melt index microporous films
ZA80465B (en) * 1979-02-13 1981-08-26 Celanese Corp Process for preparing hollow microporous polypropylene fibers
DE3027314A1 (de) * 1980-07-18 1982-02-11 J. Wagner Gmbh, 7990 Friedrichshafen Membranpumpvorrichtung
JPS57117951A (en) * 1981-01-16 1982-07-22 Mitsubishi Rayon Co Porous polyethylene film and its manufacture
EP0147849B1 (en) * 1983-12-28 1989-03-22 Ube Industries, Ltd. Process of producing porous thermoplastic resin article
US4620956A (en) * 1985-07-19 1986-11-04 Celanese Corporation Process for preparing microporous polyethylene film by uniaxial cold and hot stretching
JPH0691945B2 (ja) * 1986-03-25 1994-11-16 旭メデイカル株式会社 ポリエチレン製多孔質中空糸

Also Published As

Publication number Publication date
KR890017288A (ko) 1989-12-15
EP0342026A3 (en) 1990-09-05
ATE129167T1 (de) 1995-11-15
JPH06104735B2 (ja) 1994-12-21
ES2079377T3 (es) 1996-01-16
KR940001854B1 (ko) 1994-03-09
JPH03205433A (ja) 1991-09-06
DE68924552D1 (de) 1995-11-23
EP0342026B1 (en) 1995-10-18
EP0342026A2 (en) 1989-11-15
DE68924552T2 (de) 1996-04-04

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Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))