JP2013215640A5 - - Google Patents

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JP2013215640A5
JP2013215640A5 JP2012086185A JP2012086185A JP2013215640A5 JP 2013215640 A5 JP2013215640 A5 JP 2013215640A5 JP 2012086185 A JP2012086185 A JP 2012086185A JP 2012086185 A JP2012086185 A JP 2012086185A JP 2013215640 A5 JP2013215640 A5 JP 2013215640A5
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Japan
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ppm
sulfonation
substitution
integrated value
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JP2012086185A
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JP5964114B2 (en
JP2013215640A (en
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（１）スルホン化度（置換度）
精製、乾燥後のスルホン化ポリエーテルスルホンを重水素化ジメチルスルホキシドに溶解し、600MHz H-NMR（BRUKER AVANCE 600）より測定した。1H-NMRスペクトルで得られた芳香環水素のピーク積分値及び下式より、スルホン化度（置換度）を算出した。
スルホン化度（置換度）
=[8.2〜8.5ppmの積分値(下記化学式中の(1))]/{([6.8〜8.2ppmの積分値(下記化学式中の(2)〜(5))]-[8.2〜8.5ppmの積分値]×2)/4+[8.2〜8.5ppmの積分値]｝ (1) Sulfonation degree (substitution degree)
The sulfonated polyethersulfone after purification and drying was dissolved in deuterated dimethylsulfoxide and measured by 600 MHz H-NMR (BRUKER AVANCE 600). Peak integrated value of aromatic hydrogen obtained in IH-NMR spectrum and Ri by the following equation was calculated degree of sulfonation (degree of substitution).
Sulfonation degree (substitution degree )
= [ Integrated value of 8.2 to 8.5 ppm ((1) in the following chemical formula ) ] / { ([Integrated value of 6.8 to 8.2 ppm ((2) to (5) in the following chemical formula )]-[8.2 to 8.5 ppm Integral value] × 2 ) / 4 + [8.2 to 8.5 ppm integral value] }

JP2012086185A 2012-04-05 2012-04-05 Internal pressure type hollow fiber NF membrane and manufacturing method thereof Active JP5964114B2 (en)

Priority Applications (1)

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JP2012086185A JP5964114B2 (en) 2012-04-05 2012-04-05 Internal pressure type hollow fiber NF membrane and manufacturing method thereof

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Application Number Priority Date Filing Date Title
JP2012086185A JP5964114B2 (en) 2012-04-05 2012-04-05 Internal pressure type hollow fiber NF membrane and manufacturing method thereof

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JP2013215640A JP2013215640A (en) 2013-10-24
JP2013215640A5 true JP2013215640A5 (en) 2014-04-17
JP5964114B2 JP5964114B2 (en) 2016-08-03

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6259319B2 (en) * 2014-03-04 2018-01-10 ダイセン・メンブレン・システムズ株式会社 Film-forming solution composition for hollow fiber membrane
JP6343470B2 (en) * 2014-03-27 2018-06-13 株式会社ダイセル NF membrane manufacturing method
CN104607055A (en) * 2014-12-31 2015-05-13 江阴市向阳科技有限公司 Preparation method of hollow fiber nano filtration membrane for water treatment
JP6533064B2 (en) * 2015-01-30 2019-06-19 ダイセン・メンブレン・システムズ株式会社 Hollow fiber type semipermeable membrane and method for producing the same
JPWO2022138524A1 (en) 2020-12-23 2022-06-30

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60255110A (en) * 1984-05-30 1985-12-16 Nitto Electric Ind Co Ltd Sulfonated polysulfone semipermeable membrane and its production
DE3829766A1 (en) * 1988-09-01 1990-03-22 Akzo Gmbh METHOD FOR PRODUCING MEMBRANES
JP2001070767A (en) * 1999-08-31 2001-03-21 Nitto Denko Corp Ultrafiltration membrane and production of the same and dope composition to be used for the same
JP2002085941A (en) * 2000-07-13 2002-03-26 Toray Ind Inc Fresh water making process and fresh water maker
JP5596441B2 (en) * 2010-07-02 2014-09-24 ダイセン・メンブレン・システムズ株式会社 Hollow fiber type NF membrane

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