GB1495887A - Semi-permeable composite membranes - Google Patents

Semi-permeable composite membranes

Info

Publication number
GB1495887A
GB1495887A GB22340/76A GB2234076A GB1495887A GB 1495887 A GB1495887 A GB 1495887A GB 22340/76 A GB22340/76 A GB 22340/76A GB 2234076 A GB2234076 A GB 2234076A GB 1495887 A GB1495887 A GB 1495887A
Authority
GB
United Kingdom
Prior art keywords
ultrafiltration membrane
outer skin
polymer
semi
anisotropic
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
GB22340/76A
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 FR7516907A external-priority patent/FR2280275A1/fr
Application filed by Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Publication of GB1495887A publication Critical patent/GB1495887A/en
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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • 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
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB22340/76A 1975-05-30 1976-05-28 Semi-permeable composite membranes Expired GB1495887A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7516997A FR2312278A2 (fr) 1975-05-30 1975-05-30 Membranes
FR7516907A FR2280275A1 (fr) 1974-06-10 1975-05-30 Appareil pour corriger les erreurs de base de temps d'un signal video

Publications (1)

Publication Number Publication Date
GB1495887A true GB1495887A (en) 1977-12-21

Family

ID=26218894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22340/76A Expired GB1495887A (en) 1975-05-30 1976-05-28 Semi-permeable composite membranes

Country Status (6)

Country Link
BE (1) BE842345R (enExample)
DE (1) DE2624139A1 (enExample)
FR (1) FR2312278A2 (enExample)
GB (1) GB1495887A (enExample)
LU (1) LU75037A1 (enExample)
NL (1) NL7605346A (enExample)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036315A3 (en) * 1980-03-14 1981-12-23 Brunswick Corporation Anisotropic membranes and production thereof
EP0084768A1 (en) * 1982-01-15 1983-08-03 Uop Inc. Continuous production of polymethylpentene membranes
US4774039A (en) * 1980-03-14 1988-09-27 Brunswick Corporation Dispersing casting of integral skinned highly asymmetric polymer membranes
EP0277834A3 (en) * 1987-02-04 1989-07-19 Hydranautics Stable membranes from sulfonated polyarylethers
EP0266204A3 (en) * 1986-10-31 1990-05-16 Kingston Technologies, Inc. Pressure dependent anisotropic transport membrane system
EP0401486A1 (en) * 1989-06-08 1990-12-12 Japan Gore-Tex, Inc. Selectively permeable membrane
US4990252A (en) * 1987-02-04 1991-02-05 Hydanautics Stable membranes from sulfonated polyarylethers
EP0496328A1 (fr) * 1991-01-22 1992-07-29 Societe Des Ceramiques Techniques Membrane pour un dispositif de filtration, de séparation de gaz ou de liquide, de pervaporation et procédé de fabrication d'une telle membrane
US5980746A (en) * 1996-11-14 1999-11-09 Pall Corporation Membrane and methods of preparing and using same
US6026968A (en) * 1996-05-13 2000-02-22 Nitto Denko Corporation Reverse osmosis composite membrane
CN105869925A (zh) * 2016-05-10 2016-08-17 扬州大学 一种氮掺杂ca/pan基碳微球电极材料的制备方法
CN115747820A (zh) * 2022-10-11 2023-03-07 东北电力大学 一种多孔硼化钨催化剂的制备方法及应用

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2741486C3 (de) * 1976-09-17 1982-01-21 Idemitsu Kosan Co., Ltd., Tokyo Trennmembran
DE2741669A1 (de) * 1977-09-16 1979-03-22 Bayer Ag Semipermeable membranen aus acrylnitrilcopolymerisaten
CA1127472A (en) * 1977-11-25 1982-07-13 Robert L. Riley Gas separation membranes and process for the preparation thereof
BG33312A1 (bg) * 1981-04-20 1983-01-14 Dimov Metod za poluchavane na polupronicaema membrana

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556305A (en) * 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
US3556992A (en) * 1969-07-22 1971-01-19 Amicon Corp Anisotropic ultrafiltration membrane having adhering coating and methods of forming and using this membrane
JPS501707B1 (enExample) * 1969-12-20 1975-01-21
FR2105502A5 (enExample) * 1970-09-09 1972-04-28 Rhone Poulenc Sa

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774039A (en) * 1980-03-14 1988-09-27 Brunswick Corporation Dispersing casting of integral skinned highly asymmetric polymer membranes
EP0036315A3 (en) * 1980-03-14 1981-12-23 Brunswick Corporation Anisotropic membranes and production thereof
EP0084768A1 (en) * 1982-01-15 1983-08-03 Uop Inc. Continuous production of polymethylpentene membranes
EP0266204A3 (en) * 1986-10-31 1990-05-16 Kingston Technologies, Inc. Pressure dependent anisotropic transport membrane system
US4990252A (en) * 1987-02-04 1991-02-05 Hydanautics Stable membranes from sulfonated polyarylethers
EP0277834A3 (en) * 1987-02-04 1989-07-19 Hydranautics Stable membranes from sulfonated polyarylethers
EP0401486A1 (en) * 1989-06-08 1990-12-12 Japan Gore-Tex, Inc. Selectively permeable membrane
US5037554A (en) * 1989-06-08 1991-08-06 Haruo Nomi Selectively permeable membrane
EP0496328A1 (fr) * 1991-01-22 1992-07-29 Societe Des Ceramiques Techniques Membrane pour un dispositif de filtration, de séparation de gaz ou de liquide, de pervaporation et procédé de fabrication d'une telle membrane
US6026968A (en) * 1996-05-13 2000-02-22 Nitto Denko Corporation Reverse osmosis composite membrane
US5980746A (en) * 1996-11-14 1999-11-09 Pall Corporation Membrane and methods of preparing and using same
CN105869925A (zh) * 2016-05-10 2016-08-17 扬州大学 一种氮掺杂ca/pan基碳微球电极材料的制备方法
CN105869925B (zh) * 2016-05-10 2018-01-30 扬州大学 一种氮掺杂ca/pan基碳微球电极材料的制备方法
CN115747820A (zh) * 2022-10-11 2023-03-07 东北电力大学 一种多孔硼化钨催化剂的制备方法及应用

Also Published As

Publication number Publication date
LU75037A1 (enExample) 1977-06-09
DE2624139A1 (de) 1976-12-02
FR2312278A2 (fr) 1976-12-24
BE842345R (fr) 1976-11-29
FR2312278B2 (enExample) 1978-12-01
NL7605346A (nl) 1976-12-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee