DE3469375D1 - Porous regenerated cellulose hollow fiber and process for preparation thereof - Google Patents

Porous regenerated cellulose hollow fiber and process for preparation thereof

Info

Publication number
DE3469375D1
DE3469375D1 DE8484104809T DE3469375T DE3469375D1 DE 3469375 D1 DE3469375 D1 DE 3469375D1 DE 8484104809 T DE8484104809 T DE 8484104809T DE 3469375 T DE3469375 T DE 3469375T DE 3469375 D1 DE3469375 D1 DE 3469375D1
Authority
DE
Germany
Prior art keywords
preparation
hollow fiber
regenerated cellulose
cellulose hollow
porous regenerated
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
Application number
DE8484104809T
Other languages
English (en)
Inventor
Seiichi Manabe
Michitaka Iwata
Mamoru Inoue
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 JP7630583A external-priority patent/JPS59204912A/ja
Priority claimed from JP7630683A external-priority patent/JPS59204911A/ja
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Application granted granted Critical
Publication of DE3469375D1 publication Critical patent/DE3469375D1/de
Expired legal-status Critical Current

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
    • B01D71/08—Polysaccharides
    • B01D71/10—Cellulose; Modified cellulose
    • 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
    • B01D69/087—Details relating to the spinning process
    • B01D69/0871—Fibre guidance after spinning through the manufacturing apparatus
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • D01F2/04—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts from cuprammonium solutions
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2935—Discontinuous or tubular or cellular core
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
DE8484104809T 1983-05-02 1984-04-28 Porous regenerated cellulose hollow fiber and process for preparation thereof Expired DE3469375D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7630583A JPS59204912A (ja) 1983-05-02 1983-05-02 再生セルロ−ス中空糸の製造方法
JP7630683A JPS59204911A (ja) 1983-05-02 1983-05-02 新規な構造を持つ再生セルロ−ス中空糸

Publications (1)

Publication Number Publication Date
DE3469375D1 true DE3469375D1 (en) 1988-03-24

Family

ID=26417450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484104809T Expired DE3469375D1 (en) 1983-05-02 1984-04-28 Porous regenerated cellulose hollow fiber and process for preparation thereof

Country Status (5)

Country Link
US (2) US4604326A (de)
EP (1) EP0126994B1 (de)
CA (1) CA1236956A (de)
DE (1) DE3469375D1 (de)
DK (1) DK165956C (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3265896D1 (en) * 1981-11-30 1985-10-03 Asahi Chemical Ind Membrane filtration using ultrafiltration membrane
JPS6157204A (ja) * 1984-08-27 1986-03-24 Terumo Corp 透析用中空糸及びその製造方法
US4808315A (en) * 1986-04-28 1989-02-28 Asahi Kasei Kogyo Kabushiki Kaisha Porous hollow fiber membrane and a method for the removal of a virus by using the same
DE3785147T2 (de) * 1986-11-07 1996-09-19 Asahi Chemical Ind Membran aus regenerierter Zellulose und Verfahren zu ihrer Herstellung.
US4871370A (en) * 1987-06-18 1989-10-03 The United States Of America As Represented By The Secretary Of The Agriculture Stable crystalline cellulose III polymorphs
EP0474267A2 (de) * 1987-08-08 1992-03-11 Asahi Kasei Kogyo Kabushiki Kaisha Poröse Hohlfasermembran und Verfahren zur Entfernung eines Virus durch ihre Verwendung
DE68919142T3 (de) * 1988-07-20 1998-03-26 Asahi Chemical Ind Hohlfasermembran.
US5049276A (en) * 1988-10-13 1991-09-17 Fuji Photo Film Co., Ltd. Hollow fiber membrane
US5110476A (en) * 1990-04-10 1992-05-05 Separation Dynamics, Inc. Hollow fiber membrane system for removal of viruses and bacteria
DE4038247A1 (de) * 1990-11-30 1992-06-04 Akzo Gmbh Cellulosedialysehohlfaden
WO1992020843A1 (en) * 1991-05-21 1992-11-26 Brown University Research Foundation Apparatus for forming hollow fibers and said fibers
EP0574699A2 (de) * 1992-05-20 1993-12-22 Akzo Nobel N.V. Dialysemembran aus Celluloseacetat
EP0570826A1 (de) * 1992-05-20 1993-11-24 Akzo Nobel N.V. Celluloseacetatmembranen
ATE211944T1 (de) * 1995-06-06 2002-02-15 Water Res Commission Verfahren zur herstellung einer hohlfasermembran
EP1206961B1 (de) * 1999-08-20 2007-02-21 Asahi Kasei Medical Co., Ltd. Filtermembranen für physiologisch aktive substanzen
KR100436174B1 (ko) * 2001-05-07 2004-06-12 인성파우더 테크(주) 중공구 형상의 입자를 함유하는 합성섬유
US20080245736A1 (en) 2006-08-11 2008-10-09 Millipore Corporation Crosslinked cellulosic nanofiltration membranes
SG174346A1 (en) 2009-03-19 2011-11-28 Millipore Corp Removal of microorganisms from fluid samples using nanofiber filtration media
EP2603611B1 (de) 2010-08-10 2019-12-18 EMD Millipore Corporation Verfahren zur entfernung von retroviren
JP6219811B2 (ja) 2011-04-01 2017-10-25 イー・エム・デイー・ミリポア・コーポレイシヨン ナノファイバー含有複合材構造体
ITTO20110499A1 (it) * 2011-06-08 2012-12-09 Emiliano Lepore Medicazione compressiva e procedimento per la sua realizzazione
SG11201706726TA (en) 2015-04-17 2017-09-28 Emd Millipore Corp Method of purifying a biological materia of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode
US20170166662A1 (en) * 2015-07-22 2017-06-15 Glucan Biorenewables, Llc High purity cellulose compositions and production methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE131941C (de) *
JPS4817488B1 (de) * 1969-05-23 1973-05-30
JPS5040168B2 (de) * 1972-06-02 1975-12-22
US3888771A (en) * 1972-06-02 1975-06-10 Asahi Chemical Ind Hollow fibers of cuprammonium cellulose and a process of the manufacture of same
GB1567133A (en) * 1977-03-18 1980-05-14 Kuraray Co Sterilization of membranes
JPS551363A (en) * 1978-06-20 1980-01-08 Murata Mach Ltd Feed roll device of double twister
US4219517A (en) * 1978-10-12 1980-08-26 Puropore Inc. Process for spinning dense hollow fiber cellulosic membrane
CA1141114A (en) * 1978-11-24 1983-02-15 Masamichi Ishida Regenerated cellulose hollow fiber and process for manufacturing same
US4581140A (en) * 1981-11-25 1986-04-08 Asahi Kasei Kogyo Kabushiki Kaisha Porous regenerated cellulose membrane and process for the preparation thereof

Also Published As

Publication number Publication date
EP0126994A2 (de) 1984-12-05
CA1236956A (en) 1988-05-24
DK165956B (da) 1993-02-15
US4604326A (en) 1986-08-05
DK216584D0 (da) 1984-05-01
EP0126994B1 (de) 1988-02-17
US4822540A (en) 1989-04-18
DK216584A (da) 1984-11-03
DK165956C (da) 1993-07-05
EP0126994A3 (en) 1985-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee