GB1415768A - Semi-permeable membranes - Google Patents

Semi-permeable membranes

Info

Publication number
GB1415768A
GB1415768A GB3872073A GB3872073A GB1415768A GB 1415768 A GB1415768 A GB 1415768A GB 3872073 A GB3872073 A GB 3872073A GB 3872073 A GB3872073 A GB 3872073A GB 1415768 A GB1415768 A GB 1415768A
Authority
GB
United Kingdom
Prior art keywords
fibre
solvent
sol
aug
gel
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
GB3872073A
Other languages
English (en)
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 JP47081408A external-priority patent/JPS523616B2/ja
Priority claimed from JP1887973A external-priority patent/JPS536249B2/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of GB1415768A publication Critical patent/GB1415768A/en
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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • B01D71/4011—Polymethylmethacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
GB3872073A 1972-08-16 1973-08-16 Semi-permeable membranes Expired GB1415768A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47081408A JPS523616B2 (enExample) 1972-08-16 1972-08-16
JP1887973A JPS536249B2 (enExample) 1973-02-17 1973-02-17

Publications (1)

Publication Number Publication Date
GB1415768A true GB1415768A (en) 1975-11-26

Family

ID=26355617

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3872073A Expired GB1415768A (en) 1972-08-16 1973-08-16 Semi-permeable membranes

Country Status (4)

Country Link
DE (1) DE2341392C3 (enExample)
FR (1) FR2196184B1 (enExample)
GB (1) GB1415768A (enExample)
SE (1) SE388130B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385094A (en) 1979-04-30 1983-05-24 Kuraray Co., Ltd. Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof
EP1048307A3 (en) * 1992-12-04 2002-05-02 Toray Industries, Inc. Dialysis membrane for the preparation of hematopoietic inhibiting factor containing compositions
US8585682B2 (en) 2008-02-09 2013-11-19 Renephra Limited Fluid extraction or filtration device, associated materials and methods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55148209A (en) * 1979-04-27 1980-11-18 Kuraray Co Ltd Hollow ethylene-vinyl alcohol membrane and its production
DE3273047D1 (en) * 1981-10-30 1986-10-09 Toray Industries Polymethyl methacrylate hollow yarn ultra-filtration membrane and process for its production
FR2529464B1 (enExample) * 1982-07-01 1985-01-18 Hospal Ind

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385094A (en) 1979-04-30 1983-05-24 Kuraray Co., Ltd. Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof
EP1048307A3 (en) * 1992-12-04 2002-05-02 Toray Industries, Inc. Dialysis membrane for the preparation of hematopoietic inhibiting factor containing compositions
US8585682B2 (en) 2008-02-09 2013-11-19 Renephra Limited Fluid extraction or filtration device, associated materials and methods
US9808377B2 (en) 2008-02-09 2017-11-07 Renephra Limited Fluid extraction or filtration device, associated materials and methods

Also Published As

Publication number Publication date
DE2341392A1 (de) 1974-03-07
FR2196184B1 (enExample) 1976-11-19
SE388130B (sv) 1976-09-27
DE2341392B2 (de) 1975-03-20
FR2196184A1 (enExample) 1974-03-15
DE2341392C3 (de) 1975-10-30

Similar Documents

Publication Publication Date Title
US3930105A (en) Hollow fibres
US4612119A (en) Hollow fiber filter medium and process for preparing the same
ES2175369T3 (es) Proceso para producir peliculas polimeras para uso como pilas de combustible.
US3896061A (en) Semi-permeable membranes, their preparation and their use
US4035459A (en) Process for spinning dry-fiber cellulose acetate hollow fiber membranes
ES494186A0 (es) Membrana en forma de una lamina plana, una lamina de mangue-ra o un hilo hueco.
EP0527913B1 (en) Method for making pvdf hollow fibre membranes
ES426443A1 (es) Procedimiento de fabricacion de diafragmas porosos de a- mianto depositado y consolidados por una resina fluorada.
JPS54145379A (en) Aromatic polysulfone hollow fiber semipermeable membrane
SE8002388L (sv) Anisotropa membran och sett att framstella sadana
ES8101135A1 (es) Procedimiento para la fabricacion de una membrana en forma de una lamina plana, lamina de manguera o de un hilo hueco
GB1415768A (en) Semi-permeable membranes
JPS55148209A (en) Hollow ethylene-vinyl alcohol membrane and its production
ATE31248T1 (de) Membran und verfahren zu ihrer herstellung.
EP0745423A3 (en) Improved process for making cellulose acetate semipermeable membranes and medical products therefrom
GB1054774A (enExample)
JPH10323546A (ja) 多孔性中空濾過膜の製造方法及びその装置
JPS5782515A (en) Hollow fibrous membrane and its preparation
GB1222053A (en) Process for the manufacture of porous membranes
GB2002679A (en) Hollow semipermeable cellulosic fibres
JPS55107505A (en) Production of hollow fiber
JPS55155704A (en) Hollow semipermeable membrane and its production
JPS56148908A (en) Hollow fiber
GB1264670A (enExample)
JPS54147215A (en) Hollow regenerated cellulose fibers and their production

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930815