JP2008229612A5 - - Google Patents

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Publication number
JP2008229612A5
JP2008229612A5 JP2007329654A JP2007329654A JP2008229612A5 JP 2008229612 A5 JP2008229612 A5 JP 2008229612A5 JP 2007329654 A JP2007329654 A JP 2007329654A JP 2007329654 A JP2007329654 A JP 2007329654A JP 2008229612 A5 JP2008229612 A5 JP 2008229612A5
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JP
Japan
Prior art keywords
resin
less
ethylene unsaturated
porous
porous membrane
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JP2007329654A
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Japanese (ja)
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JP5228474B2 (en
JP2008229612A (en
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Priority to JP2007329654A priority Critical patent/JP5228474B2/en
Priority claimed from JP2007329654A external-priority patent/JP5228474B2/en
Publication of JP2008229612A publication Critical patent/JP2008229612A/en
Publication of JP2008229612A5 publication Critical patent/JP2008229612A5/ja
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Publication of JP5228474B2 publication Critical patent/JP5228474B2/en
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Claims (6)

平均細孔径が０．０１μｍ以上１μｍ未満の範囲内にあり、かつ、該平均細孔径の標準偏差が０．１μｍ以下である多孔質膜であって、ポリフッ化ビニリデン樹脂、アニオン性樹脂、および、アクリル酸エステル樹脂又はメタクリル酸エステル樹脂を含んでなることを特徴とする多孔質膜。 The average pore diameter may in the range of less than 1μm than 0.01 [mu] m, and a multi-porous film standard deviation of the average pore diameter of Ru der less 0.1 [mu] m, polyvinylidene fluoride resins, A anion of trees fat, and, multi Anashitsumaku characterized by comprising an acrylic acid ester resin or a methacrylic acid ester resin. ポリフッ化ビニリデン樹脂、および、アニオン性樹脂とアクリル酸エステル樹脂又はメタクリル酸エステル樹脂との共重合体を含んでなることを特徴とする請求項１に記載の多孔質膜。The porous film according to claim 1, comprising a polyvinylidene fluoride resin and a copolymer of an anionic resin and an acrylate resin or a methacrylic ester resin. 前記アニオン性樹脂がエチレン不飽和カルボン酸樹脂、エチレン不飽和スルホン酸樹脂、またはエチレン不飽和ホスホン酸樹脂である請求項１または２に記載の多孔質膜。 The porous membrane according to claim 1 or 2, wherein the anionic resin is an ethylene unsaturated carboxylic acid resin, an ethylene unsaturated sulfonic acid resin, or an ethylene unsaturated phosphonic acid resin . 純水透過係数が、２×１０−９ｍ３／ｍ２／ｓ／Ｐａ以上６×１０−７ｍ３／ｍ２／ｓ／Ｐａ以下である請求項１〜３のいずれかに記載の多孔質膜。 Pure water permeability coefficient, porosity according to any one of 2 × 10 -9 m 3 / m 2 / s / Pa or more 6 × 10 -7 m 3 / m 2 / s / Pa or less is claims 1-3 The membrane. 膜表面粗さが０．１μｍ以下である請求項１〜４のいずれかに記載の多孔質膜。 The porous membrane according to claim 1 , wherein the membrane surface roughness is 0.1 μm or less . 細胞浮遊液濾過に用いられる請求項１〜５のいずれかに記載の多孔質膜。The porous membrane according to any one of claims 1 to 5, which is used for cell suspension liquid filtration.
JP2007329654A 2007-02-22 2007-12-21 Porous membrane for cell suspension filtration Expired - Fee Related JP5228474B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007329654A JP5228474B2 (en) 2007-02-22 2007-12-21 Porous membrane for cell suspension filtration

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007042078 2007-02-22
JP2007042078 2007-02-22
JP2007329654A JP5228474B2 (en) 2007-02-22 2007-12-21 Porous membrane for cell suspension filtration

Publications (3)

Publication Number Publication Date
JP2008229612A JP2008229612A (en) 2008-10-02
JP2008229612A5 true JP2008229612A5 (en) 2011-02-10
JP5228474B2 JP5228474B2 (en) 2013-07-03

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Family Applications (1)

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JP2007329654A Expired - Fee Related JP5228474B2 (en) 2007-02-22 2007-12-21 Porous membrane for cell suspension filtration

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JP (1) JP5228474B2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5163152B2 (en) * 2007-02-22 2013-03-13 東レ株式会社 Wastewater treatment method
CA2748248C (en) 2008-12-25 2016-11-01 Kuraray Co., Ltd. Filter materials and filter cartridges
WO2013061859A1 (en) 2011-10-24 2013-05-02 株式会社カネカ Method for producing cell concentrate
CN109486757A (en) 2012-08-30 2019-03-19 株式会社钟化 The manufacturing method of cell concentration liquid
WO2016190416A1 (en) 2015-05-27 2016-12-01 三菱レイヨン株式会社 Porous film
JP6616593B2 (en) * 2015-06-10 2019-12-04 オルガノ株式会社 Membrane cleaning method
KR102157364B1 (en) * 2015-09-04 2020-09-18 도쿄 오카 고교 가부시키가이샤 Porous membrane and its manufacturing method
WO2020008820A1 (en) * 2018-07-05 2020-01-09 帝人株式会社 Hydrophilic composite membrane, hydrophilic porous membrane, and hydrophilic resin composition
JP7444623B2 (en) 2020-01-30 2024-03-06 東洋クロス株式会社 Porous filter and its manufacturing method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774132A (en) * 1986-05-01 1988-09-27 Pall Corporation Polyvinylidene difluoride structure
DE3923128A1 (en) * 1989-07-13 1991-01-24 Akzo Gmbh FLAX OR CAPILLARY MEMBRANE BASED ON A HOMOGENEOUS MIXTURE OF POLYVINYLIDE FLUORIDE AND OF A SECOND, BY CHEMICAL IMPROVEMENT, HYDROPHILIBLABLE POLYMERS
JPH05301034A (en) * 1992-04-23 1993-11-16 Sumitomo Electric Ind Ltd Precision filter membrane for food
JP4406713B2 (en) * 1996-08-26 2010-02-03 マサチューセッツ・インスティテュート・オブ・テクノロジー POLYMER FILM HAVING HYDROPHILIC SURFACE, POLYMER ARTICLE, AND METHOD FOR PRODUCING THE SAME
JP2002066276A (en) * 2000-08-29 2002-03-05 Asahi Kasei Corp Film withstanding organic contamination
JP4626319B2 (en) * 2005-01-28 2011-02-09 東レ株式会社 Porous membrane, method for producing the same, and solid-liquid separator
JP4600172B2 (en) * 2005-06-22 2010-12-15 東レ株式会社 Porous membrane, solid-liquid separator, and solid-liquid separation method using them

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