DE3855721D1 - Poröse polypropylenmembran und verfahren zu deren herstellung - Google Patents

Poröse polypropylenmembran und verfahren zu deren herstellung

Info

Publication number
DE3855721D1
DE3855721D1 DE3855721T DE3855721T DE3855721D1 DE 3855721 D1 DE3855721 D1 DE 3855721D1 DE 3855721 T DE3855721 T DE 3855721T DE 3855721 T DE3855721 T DE 3855721T DE 3855721 D1 DE3855721 D1 DE 3855721D1
Authority
DE
Germany
Prior art keywords
production
porous polypropylene
polypropylene membrane
membrane
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.)
Expired - Lifetime
Application number
DE3855721T
Other languages
English (en)
Other versions
DE3855721T2 (de
Inventor
Yukio Terumo Kabushiki K Seita
Shoichi Terumo Kabushik Nagaki
Ken Terumo Kabushiki Ka Tatebe
Kousuke - Kido
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.)
Terumo Corp
Original Assignee
Terumo 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
Priority claimed from JP5672887A external-priority patent/JPS63224702A/ja
Application filed by Terumo Corp filed Critical Terumo Corp
Application granted granted Critical
Publication of DE3855721D1 publication Critical patent/DE3855721D1/de
Publication of DE3855721T2 publication Critical patent/DE3855721T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • 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
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/21—Fillers
    • 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
    • B01D2325/0283—Pore size
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49906—Metal deforming with nonmetallic bonding
DE3855721T 1987-01-20 1988-01-20 Poröse polypropylenmembran und verfahren zu deren herstellung Expired - Lifetime DE3855721T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP898287 1987-01-20
JP5672887A JPS63224702A (ja) 1987-03-13 1987-03-13 ポリプロピレン多孔質膜およびその製造方法
PCT/JP1988/000039 WO1988005475A1 (en) 1987-01-20 1988-01-20 Porous polypropylene membrane and process for its production

Publications (2)

Publication Number Publication Date
DE3855721D1 true DE3855721D1 (de) 1997-02-06
DE3855721T2 DE3855721T2 (de) 1997-05-15

Family

ID=26343619

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3855721T Expired - Lifetime DE3855721T2 (de) 1987-01-20 1988-01-20 Poröse polypropylenmembran und verfahren zu deren herstellung

Country Status (6)

Country Link
US (2) US5139529A (de)
EP (1) EP0341309B1 (de)
KR (2) KR940008074B1 (de)
AU (1) AU623848B2 (de)
DE (1) DE3855721T2 (de)
WO (1) WO1988005475A1 (de)

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CN103007776B (zh) * 2011-09-22 2015-06-17 中国石油化工股份有限公司 一种聚丙烯分离膜外表面的结构控制方法
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Also Published As

Publication number Publication date
KR890700699A (ko) 1989-04-26
DE3855721T2 (de) 1997-05-15
EP0341309A4 (en) 1990-10-10
AU1184788A (en) 1988-08-10
KR940002379B1 (ko) 1994-03-24
KR940008074B1 (ko) 1994-09-01
US5354470A (en) 1994-10-11
EP0341309B1 (de) 1996-12-27
US5139529A (en) 1992-08-18
AU623848B2 (en) 1992-05-28
EP0341309A1 (de) 1989-11-15
WO1988005475A1 (en) 1988-07-28

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