JP2005186059A5 - - Google Patents

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Publication number
JP2005186059A5
JP2005186059A5 JP2004313494A JP2004313494A JP2005186059A5 JP 2005186059 A5 JP2005186059 A5 JP 2005186059A5 JP 2004313494 A JP2004313494 A JP 2004313494A JP 2004313494 A JP2004313494 A JP 2004313494A JP 2005186059 A5 JP2005186059 A5 JP 2005186059A5
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Japan
Prior art keywords
semipermeable membrane
composite semipermeable
polyfunctional
membrane
solution containing
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JP2004313494A
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Japanese (ja)
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JP2005186059A (en
JP4525296B2 (en
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Priority to JP2004313494A priority Critical patent/JP4525296B2/en
Priority claimed from JP2004313494A external-priority patent/JP4525296B2/en
Publication of JP2005186059A publication Critical patent/JP2005186059A/en
Publication of JP2005186059A5 publication Critical patent/JP2005186059A5/ja
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Publication of JP4525296B2 publication Critical patent/JP4525296B2/en
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Claims (4)

多孔性支持膜上に多官能アミンと多官能酸ハロゲン化物との重縮合反応によるポリアミドの分離機能層を形成させてなる複合半透膜の製造方法であって、第一級芳香族アミノ基と反応してジアゾニウム塩またはその誘導体を生成する化合物を含む溶液と複合半透膜とを接触させる改質処理工程Ａと、酸化剤と複合半透膜とを接触させる改質処理工程Ｂとを有することを特徴とする複合半透膜の製造方法。 A manufacturing how a composite semipermeable membrane comprising to form a separating functional layer of a polyamide by polycondensation reaction between the porous support membrane on the polyfunctional amine and the polyfunctional acid halide, primary aromatic amino group react with a solution containing a compound which forms a diazonium salt or a derivative thereof and the composite semipermeable membrane a reforming process contacting the a, and a reforming process is contacting the oxidant and the composite semipermeable membrane B the method of producing a composite semipermeable membrane which is characterized and this has. 改質処理工程Ａを、湿潤状態にある複合半透膜に対し行う、請求項１に記載の複合半透膜の製造方法。 The method for producing a composite semipermeable membrane according to claim 1, wherein the modification treatment step A is performed on the composite semipermeable membrane in a wet state. 前記改質処理工程Ａで、前記化合物を含む溶液のｐＨ、亜硝酸および／またはその塩の全モル濃度（ｍｏｌ／Ｌ）、反応時間（ｓ）により算出されるＥＩ値が０．００５〜５００の範囲内である、請求項１または２に記載の複合半透膜の製造方法。In the modification treatment step A, the EI value calculated from the pH of the solution containing the compound, the total molar concentration of nitrous acid and / or its salt (mol / L), and the reaction time (s) is 0.005 to 500. The manufacturing method of the composite semipermeable membrane of Claim 1 or 2 which exists in the range of these. 多官能アミンと多官能酸ハロゲン化物とを重縮合反応させてポリアミドの分離機能層を支持体上に形成させてなる複合半透膜であって、波長４５０ｎｍにおける光透過率が１０〜９５％の範囲内であり、かつ赤外吸収スペクトルで１５２０ｃｍA composite semipermeable membrane in which a polyfunctional amine and a polyfunctional acid halide are subjected to a polycondensation reaction to form a polyamide separation function layer on a support, and has a light transmittance of 10 to 95% at a wavelength of 450 nm. Within the range and 1520 cm in the infrared absorption spectrum −１-1 に吸収帯を有し、かつ、フェノール性水酸基を有することを特徴とする改質半透膜。A modified semipermeable membrane characterized by having an absorption band and a phenolic hydroxyl group.
JP2004313494A 2003-12-03 2004-10-28 Manufacturing method of composite semipermeable membrane Expired - Fee Related JP4525296B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004313494A JP4525296B2 (en) 2003-12-03 2004-10-28 Manufacturing method of composite semipermeable membrane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003404099 2003-12-03
JP2004313494A JP4525296B2 (en) 2003-12-03 2004-10-28 Manufacturing method of composite semipermeable membrane

Publications (3)

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JP2005186059A JP2005186059A (en) 2005-07-14
JP2005186059A5 true JP2005186059A5 (en) 2008-04-10
JP4525296B2 JP4525296B2 (en) 2010-08-18

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JP2004313494A Expired - Fee Related JP4525296B2 (en) 2003-12-03 2004-10-28 Manufacturing method of composite semipermeable membrane

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Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4618081B2 (en) * 2005-09-28 2011-01-26 東レ株式会社 Processing method and manufacturing method of composite semipermeable membrane
JP2007160173A (en) * 2005-12-12 2007-06-28 Japan Organo Co Ltd Sterilization method and apparatus of separation membrane, and separation membrane treated by this method
JP5130967B2 (en) * 2007-03-19 2013-01-30 東レ株式会社 Manufacturing method of composite semipermeable membrane
JP5131028B2 (en) * 2007-05-30 2013-01-30 東レ株式会社 Manufacturing method of composite semipermeable membrane
JP5131027B2 (en) * 2007-05-31 2013-01-30 東レ株式会社 Manufacturing method of composite semipermeable membrane
JP5267273B2 (en) * 2008-03-28 2013-08-21 東レ株式会社 Manufacturing method of composite semipermeable membrane
US9486745B2 (en) 2009-12-22 2016-11-08 Toray Industries, Inc. Semipermeable membrane and manufacturing method therefor
US8631946B2 (en) 2009-12-24 2014-01-21 Toray Industries, Inc. Composite semipermeable membrane and method for producing same
BR112012017644A2 (en) * 2010-02-23 2016-03-29 Toray Industries composite semipermeable membrane and method of producing a composite semipermeable membrane
WO2012020680A1 (en) * 2010-08-11 2012-02-16 東レ株式会社 Separation membrane element and method for producing composite semipermeable membrane
EP2659956A4 (en) * 2010-12-28 2017-04-12 Toray Industries, Inc. Composite semipermeable membrane
JP5461449B2 (en) * 2011-01-21 2014-04-02 四国化成工業株式会社 Cleaning agent for separation membrane and cleaning method
US9527042B2 (en) 2011-01-31 2016-12-27 Toray Industries, Inc. Separation membrane for water treatment and production method for same
EP2835175B1 (en) * 2013-06-07 2020-09-23 LG Chem, Ltd. Polyamide-based water treatment separation membrane having excellent oxidation resistance and chlorine resistance and manufacturing method therefor
KR102072877B1 (en) * 2015-10-22 2020-02-03 주식회사 엘지화학 Method for manufacturing water-treatment membrane, water-treatment membrane manufactured by thereof, and water treatment module comprising membrane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1318091C (en) * 1987-01-15 1993-05-25 Filmtec Corporation Reverse osmosis membranes
JP3647620B2 (en) * 1997-11-07 2005-05-18 日東電工株式会社 Method for treating highly permeable composite reverse osmosis membrane and highly permeable composite reverse osmosis membrane
JP2000334280A (en) * 1999-05-27 2000-12-05 Nitto Denko Corp Production of multiple reverse osmosis membrane

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