JPS6475542A - Hydrophilic porous membrane of polyvinylidene fluoride and production thereof - Google Patents

Hydrophilic porous membrane of polyvinylidene fluoride and production thereof

Info

Publication number
JPS6475542A
JPS6475542A JP23288887A JP23288887A JPS6475542A JP S6475542 A JPS6475542 A JP S6475542A JP 23288887 A JP23288887 A JP 23288887A JP 23288887 A JP23288887 A JP 23288887A JP S6475542 A JPS6475542 A JP S6475542A
Authority
JP
Japan
Prior art keywords
porous membrane
membrane
polyvinylidene fluoride
production
immersed
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.)
Granted
Application number
JP23288887A
Other languages
Japanese (ja)
Other versions
JPH0627215B2 (en
Inventor
Masato Onishi
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
Application filed by Terumo Corp filed Critical Terumo Corp
Priority to JP62232888A priority Critical patent/JPH0627215B2/en
Publication of JPS6475542A publication Critical patent/JPS6475542A/en
Publication of JPH0627215B2 publication Critical patent/JPH0627215B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride

Abstract

PURPOSE:To obtain the titled porous membrane having excellent gamma-ray resistance, chemical resistance, water-permeability, mechanical strength, etc., and suitable as a filter for chemicals, a membrane for artificial organ such as artificial kidney, etc., by the hydrophilic treatment of polyvinylidene fluoride. CONSTITUTION:(A) A polyvinylidene fluoride is dissolved in a solvent and formed into a porous membrane having a thickness of preferably 50-300mum e.g. by wet process. An aqueous solvent is impregnated into the pores and the membrane is immersed in a strongly alkaline solution (e.g. sodium methoxide) containing an oxidizing agent (e.g. potassium permanganate). The treated membrane is immersed in (B) an aqueous solution of a compound having hydrophilic group (e.g. hydroxyethylcellulose) having a concentration of preferably 0.05-2.0W/V%, washed with water and dried to obtain the objective porous membrane.
JP62232888A 1987-09-17 1987-09-17 Method for producing hydrophilic polyvinylidene fluoride porous membrane Expired - Lifetime JPH0627215B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62232888A JPH0627215B2 (en) 1987-09-17 1987-09-17 Method for producing hydrophilic polyvinylidene fluoride porous membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62232888A JPH0627215B2 (en) 1987-09-17 1987-09-17 Method for producing hydrophilic polyvinylidene fluoride porous membrane

Publications (2)

Publication Number Publication Date
JPS6475542A true JPS6475542A (en) 1989-03-22
JPH0627215B2 JPH0627215B2 (en) 1994-04-13

Family

ID=16946413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62232888A Expired - Lifetime JPH0627215B2 (en) 1987-09-17 1987-09-17 Method for producing hydrophilic polyvinylidene fluoride porous membrane

Country Status (1)

Country Link
JP (1) JPH0627215B2 (en)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4993745A (en) * 1987-12-02 1991-02-19 Nippon Seiko Kabushiki Kaisha Silent, rattle-free passive seat belt system
JPH0352632A (en) * 1989-07-21 1991-03-06 Terumo Corp Hydrophilic porous body sterilizable with gamma-ray
AU759323B2 (en) * 2000-03-31 2003-04-10 Daikin Industries, Ltd. High-pressure dome type compressor
WO2006002479A1 (en) * 2004-07-05 2006-01-12 U.S. Filter Wastewater Group, Inc. Hydrophilic membranes
JP2008013966A (en) * 2006-07-04 2008-01-24 Sekisui House Ltd Bathroom structure
WO2008078650A1 (en) * 2006-12-26 2008-07-03 Kaneka Corporation Cellular products and process for production thereof
JP2009098270A (en) * 2007-10-15 2009-05-07 Tokyo Electron Ltd Substrate cleaning device
US8840783B2 (en) 2007-05-29 2014-09-23 Evoqua Water Technologies Llc Water treatment membrane cleaning with pulsed airlift pump
US8894858B1 (en) 2005-08-22 2014-11-25 Evoqua Water Technologies Llc Method and assembly for water filtration using a tube manifold to minimize backwash
US8956464B2 (en) 2009-06-11 2015-02-17 Evoqua Water Technologies Llc Method of cleaning membranes
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9023206B2 (en) 2008-07-24 2015-05-05 Evoqua Water Technologies Llc Frame system for membrane filtration modules
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US9868834B2 (en) 2012-09-14 2018-01-16 Evoqua Water Technologies Llc Polymer blend for membranes
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
WO2021040001A1 (en) * 2019-08-29 2021-03-04 東レ株式会社 Method for hydrophilizing polyvinylidene fluoride-based porous separation membrane
CN115178111A (en) * 2022-08-01 2022-10-14 安徽大学 Polytetrafluoroethylene membrane and hydrophilic modification method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104888720A (en) * 2015-04-23 2015-09-09 深圳市尚善循环治污有限公司 Seaweed-based oil stain adsorption material preparation method and product thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110680A (en) * 1977-03-08 1978-09-27 Sumitomo Electric Ind Ltd Affording hydrophillic nature to molded product
JPS5893734A (en) * 1981-11-30 1983-06-03 Asahi Chem Ind Co Ltd Production of porous membrane of hydrophilic polyvinylidene fluoride resin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53110680A (en) * 1977-03-08 1978-09-27 Sumitomo Electric Ind Ltd Affording hydrophillic nature to molded product
JPS5893734A (en) * 1981-11-30 1983-06-03 Asahi Chem Ind Co Ltd Production of porous membrane of hydrophilic polyvinylidene fluoride resin

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4993745A (en) * 1987-12-02 1991-02-19 Nippon Seiko Kabushiki Kaisha Silent, rattle-free passive seat belt system
JPH0352632A (en) * 1989-07-21 1991-03-06 Terumo Corp Hydrophilic porous body sterilizable with gamma-ray
AU759323B2 (en) * 2000-03-31 2003-04-10 Daikin Industries, Ltd. High-pressure dome type compressor
US8524794B2 (en) * 2004-07-05 2013-09-03 Siemens Industry, Inc. Hydrophilic membranes
WO2006002479A1 (en) * 2004-07-05 2006-01-12 U.S. Filter Wastewater Group, Inc. Hydrophilic membranes
JP2008505197A (en) * 2004-07-05 2008-02-21 シーメンス・ウォーター・テクノロジーズ・コーポレーション Hydrophilic membrane
EP1773477A4 (en) * 2004-07-05 2009-04-29 Siemens Water Tech Corp Hydrophilic membranes
US9675938B2 (en) 2005-04-29 2017-06-13 Evoqua Water Technologies Llc Chemical clean for membrane filter
US8894858B1 (en) 2005-08-22 2014-11-25 Evoqua Water Technologies Llc Method and assembly for water filtration using a tube manifold to minimize backwash
JP2008013966A (en) * 2006-07-04 2008-01-24 Sekisui House Ltd Bathroom structure
WO2008078650A1 (en) * 2006-12-26 2008-07-03 Kaneka Corporation Cellular products and process for production thereof
JP5193062B2 (en) * 2006-12-26 2013-05-08 株式会社カネカ Porous body and method for producing the same
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
US9573824B2 (en) 2007-05-29 2017-02-21 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US8840783B2 (en) 2007-05-29 2014-09-23 Evoqua Water Technologies Llc Water treatment membrane cleaning with pulsed airlift pump
US9206057B2 (en) 2007-05-29 2015-12-08 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
US10507431B2 (en) 2007-05-29 2019-12-17 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
JP2009098270A (en) * 2007-10-15 2009-05-07 Tokyo Electron Ltd Substrate cleaning device
US9023206B2 (en) 2008-07-24 2015-05-05 Evoqua Water Technologies Llc Frame system for membrane filtration modules
US8956464B2 (en) 2009-06-11 2015-02-17 Evoqua Water Technologies Llc Method of cleaning membranes
US10441920B2 (en) 2010-04-30 2019-10-15 Evoqua Water Technologies Llc Fluid flow distribution device
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
US9630147B2 (en) 2010-09-24 2017-04-25 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US10391432B2 (en) 2011-09-30 2019-08-27 Evoqua Water Technologies Llc Manifold arrangement
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
US11065569B2 (en) 2011-09-30 2021-07-20 Rohm And Haas Electronic Materials Singapore Pte. Ltd. Manifold arrangement
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
US9868834B2 (en) 2012-09-14 2018-01-16 Evoqua Water Technologies Llc Polymer blend for membranes
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
US9815027B2 (en) 2012-09-27 2017-11-14 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
US11173453B2 (en) 2013-10-02 2021-11-16 Rohm And Haas Electronic Materials Singapores Method and device for repairing a membrane filtration module
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system
WO2021040001A1 (en) * 2019-08-29 2021-03-04 東レ株式会社 Method for hydrophilizing polyvinylidene fluoride-based porous separation membrane
JPWO2021040001A1 (en) * 2019-08-29 2021-09-13 東レ株式会社 Polyvinylidene Fluoride Porous Separation Membrane Hydrophilization Method
CN115178111A (en) * 2022-08-01 2022-10-14 安徽大学 Polytetrafluoroethylene membrane and hydrophilic modification method thereof

Also Published As

Publication number Publication date
JPH0627215B2 (en) 1994-04-13

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