IT1139976B - Membrana e suo procedimento di fabbricazione - Google Patents

Membrana e suo procedimento di fabbricazione

Info

Publication number
IT1139976B
IT1139976B IT23995/81A IT2399581A IT1139976B IT 1139976 B IT1139976 B IT 1139976B IT 23995/81 A IT23995/81 A IT 23995/81A IT 2399581 A IT2399581 A IT 2399581A IT 1139976 B IT1139976 B IT 1139976B
Authority
IT
Italy
Prior art keywords
membrane
manufacturing procedure
procedure
manufacturing
Prior art date
Application number
IT23995/81A
Other languages
English (en)
Italian (it)
Other versions
IT8123995A0 (it
Inventor
Aoyagi Juuro
Suzuki Kazuhiko
Takahara Kazuaki
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 JP12715880A external-priority patent/JPS6028924B2/ja
Priority claimed from JP12715980A external-priority patent/JPS6028925B2/ja
Application filed by Terumo Corp filed Critical Terumo Corp
Publication of IT8123995A0 publication Critical patent/IT8123995A0/it
Application granted granted Critical
Publication of IT1139976B publication Critical patent/IT1139976B/it

Links

Classifications

    • 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
    • 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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
IT23995/81A 1980-09-16 1981-09-16 Membrana e suo procedimento di fabbricazione IT1139976B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12715880A JPS6028924B2 (ja) 1980-09-16 1980-09-16 中空糸製造用紡糸原液組成物
JP12715980A JPS6028925B2 (ja) 1980-09-16 1980-09-16 中空糸の製造方法

Publications (2)

Publication Number Publication Date
IT8123995A0 IT8123995A0 (it) 1981-09-16
IT1139976B true IT1139976B (it) 1986-09-24

Family

ID=26463169

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23995/81A IT1139976B (it) 1980-09-16 1981-09-16 Membrana e suo procedimento di fabbricazione

Country Status (5)

Country Link
US (1) US4444663A (e)
DE (1) DE3136573C2 (e)
FR (1) FR2490231B1 (e)
IT (1) IT1139976B (e)
NL (1) NL186368C (e)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149976A1 (de) * 1981-12-17 1983-06-30 Hoechst Ag, 6230 Frankfurt Makroporoese asymmetrische hydrophile membran aus synthetischem polymerisat
DE3341113A1 (de) * 1983-11-12 1985-05-23 Akzo Gmbh, 5600 Wuppertal Dialysemembran mit verbesserter vertraeglichkeit
US4787977A (en) * 1986-02-08 1988-11-29 Asahi Kasei Kogyo Kabushiki Kaisha Blood-purifying membrane
US5084349A (en) * 1988-09-07 1992-01-28 Terumo Kabushiki Kaisha Hollow cellulose fibers, method for making, and fluid processing apparatus using same
DE4031120A1 (de) * 1989-10-03 1991-05-02 Sartorius Gmbh Verwendung von membranmikrofiltern zur behandlung von fluessigen und/oder gasfoermigen medien
US5173225A (en) * 1990-05-07 1992-12-22 Bowolfe, Inc. Method for making ultra-thin dense skin membrane
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
EP0550879B1 (de) * 1992-01-07 1997-03-12 Akzo Nobel N.V. Verfahren zum Beschichten cellulosischer Membranen
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
US20040173098A1 (en) * 2003-03-05 2004-09-09 Callihan Clayton D. Passive source of fresh water

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1707164A (en) * 1929-03-26 Hans karplus
US2471039A (en) * 1940-02-21 1949-05-24 Orthner Ludwig Manufacture of improved fibrous materials and the materials thus obtained
US2901813A (en) * 1953-10-20 1959-09-01 American Viscose Corp Textile material of regenerated cellulose containing a polyacrylamide
GB1044386A (en) * 1962-08-18 1966-09-28 Kurashiki Rayon Kk Method of manufacturing flat tubular viscose fibres
NL286234A (e) * 1962-10-16
US3497584A (en) * 1963-04-22 1970-02-24 Tee Pak Inc Method of preparing polysaccharide films and fiber- of paper-reinforced polysaccharide films
JPS491241B1 (e) * 1969-10-24 1974-01-12
US3553306A (en) * 1969-10-24 1971-01-05 American Can Co Films and filaments having ion-exchange properties and process for making same
US3888771A (en) * 1972-06-02 1975-06-10 Asahi Chemical Ind Hollow fibers of cuprammonium cellulose and a process of the manufacture of same
IL52259A (en) * 1976-06-22 1981-02-27 Akzo Nv Dialysis membrane and its manufacture
US4165743A (en) * 1976-11-29 1979-08-28 Akzona Incorporated Regenerated cellulose fibers containing alkali metal or ammonium salt of a copolymer of an alkyl vinyl ether and ethylene dicarboxylic acid or anhydride and a process for making them
US4104214A (en) * 1976-12-01 1978-08-01 Akzona Incorporated Fluid absorbent cellulose fibers containing alkaline salts of polymers of acrylic acid, methacrylic acid or an acryloamidoalkane sulfonic acid with aliphatic esters of acrylic acid or methacrylic acid
US4263244A (en) * 1978-01-26 1981-04-21 Akzona Incorporated Process for spinning regenerated cellulose fibers containing an alloying polymer
DE2823985C2 (de) * 1978-06-01 1986-01-02 Akzo Gmbh, 5600 Wuppertal Dialysemembran
DE3002438C2 (de) * 1979-01-26 1982-04-08 Asahi Kasei Kogyo K.K., Osaka Selektiv permeable Membran

Also Published As

Publication number Publication date
DE3136573C2 (de) 1991-06-13
NL186368C (nl) 1990-11-16
FR2490231A1 (fr) 1982-03-19
NL8104245A (nl) 1982-04-16
US4444663A (en) 1984-04-24
FR2490231B1 (fr) 1986-03-21
NL186368B (nl) 1990-06-18
IT8123995A0 (it) 1981-09-16
DE3136573A1 (de) 1982-06-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930929