WO2009017086A1 - 分離膜支持体およびその製造方法 - Google Patents

分離膜支持体およびその製造方法 Download PDF

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Publication number
WO2009017086A1
WO2009017086A1 PCT/JP2008/063506 JP2008063506W WO2009017086A1 WO 2009017086 A1 WO2009017086 A1 WO 2009017086A1 JP 2008063506 W JP2008063506 W JP 2008063506W WO 2009017086 A1 WO2009017086 A1 WO 2009017086A1
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WO
WIPO (PCT)
Prior art keywords
membrane
melting
support
separation membrane
point polymer
Prior art date
Application number
PCT/JP2008/063506
Other languages
English (en)
French (fr)
Inventor
Ryoichi Hane
Jun Ogihara
Hiroyuki Matsuura
Yohei Nakano
Naoki Shibusawa
Tatsuya Kajino
Yoshikazu Yakake
Original Assignee
Toray Industries, Inc.
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 Toray Industries, Inc. filed Critical Toray Industries, Inc.
Priority to JP2009525391A priority Critical patent/JP5724180B2/ja
Priority to EP08791741.5A priority patent/EP2174703B1/en
Priority to US12/670,721 priority patent/US8424687B2/en
Priority to ES08791741T priority patent/ES2868124T3/es
Priority to KR1020097027424A priority patent/KR101483475B1/ko
Priority to CN2008801010732A priority patent/CN101765456B/zh
Publication of WO2009017086A1 publication Critical patent/WO2009017086A1/ja

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    • 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
    • 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
    • B01D69/1213—Laminated layers
    • 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
    • B01D69/1216—Three or more layers
    • 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
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B32B5/265—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary characterised by one fibrous or filamentary layer being a non-woven fabric layer
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0627—Spun-bonded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/42—Details of membrane preparation apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/02—Synthetic macromolecular fibres
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

　本発明は、精密ろ過膜、限外ろ過膜、ナノろ過膜および逆浸透膜等の分離膜を支持する際に、優れた製膜性と機械的強度を有する分離膜支持体並びにそれを用いた分離膜および流体分離素子を提供するものである。 　本発明の分離膜支持体は、熱可塑性連続フィラメントより構成された長繊維不織布からなり、前記の熱可塑性連続フィラメントには、高融点重合体の周りに、該高融点重合体の融点よりも１０～１４０°C低い融点を有する低融点重合体を配した複合型フィラメントが好ましく用いられる。
PCT/JP2008/063506 2007-07-31 2008-07-28 分離膜支持体およびその製造方法 WO2009017086A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2009525391A JP5724180B2 (ja) 2007-07-31 2008-07-28 分離膜支持体およびその製造方法
EP08791741.5A EP2174703B1 (en) 2007-07-31 2008-07-28 Support for separation membrane, and method for production thereof
US12/670,721 US8424687B2 (en) 2007-07-31 2008-07-28 Support for separation membrane, and method for production thereof
ES08791741T ES2868124T3 (es) 2007-07-31 2008-07-28 Soporte para la membrana de separación y método para la producción del mismo
KR1020097027424A KR101483475B1 (ko) 2007-07-31 2008-07-28 분리막 지지체 및 그 제조 방법
CN2008801010732A CN101765456B (zh) 2007-07-31 2008-07-28 分离膜支撑体和其制造方法

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-198581 2007-07-31
JP2007198581 2007-07-31
JP2007-246738 2007-09-25
JP2007246738 2007-09-25
JP2007-281308 2007-10-30
JP2007281308 2007-10-30

Publications (1)

Publication Number Publication Date
WO2009017086A1 true WO2009017086A1 (ja) 2009-02-05

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ID=40304316

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PCT/JP2008/063506 WO2009017086A1 (ja) 2007-07-31 2008-07-28 分離膜支持体およびその製造方法

Country Status (7)

Country Link
US (1) US8424687B2 (ja)
EP (1) EP2174703B1 (ja)
JP (1) JP5724180B2 (ja)
KR (1) KR101483475B1 (ja)
CN (1) CN101765456B (ja)
ES (1) ES2868124T3 (ja)
WO (1) WO2009017086A1 (ja)

Cited By (13)

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WO2010126113A1 (ja) * 2009-04-30 2010-11-04 旭化成せんい株式会社 複合膜支持体及びこれを用いた複合膜
WO2010126109A1 (ja) * 2009-04-30 2010-11-04 旭化成せんい株式会社 積層不織布
JP2011005455A (ja) * 2009-06-29 2011-01-13 Toray Ind Inc 分離膜支持体並びにそれを用いた分離膜および膜分離エレメント
WO2011049231A1 (ja) * 2009-10-21 2011-04-28 三菱製紙株式会社 半透膜支持体、スパイラル型半透膜エレメント及び半透膜支持体の製造方法
JP2013192967A (ja) * 2012-03-15 2013-09-30 Mitsubishi Paper Mills Ltd 半透膜支持体
JP2014526963A (ja) * 2011-07-21 2014-10-09 イー・エム・デイー・ミリポア・コーポレイシヨン ナノファイバ含有複合構造体
US9623352B2 (en) 2010-08-10 2017-04-18 Emd Millipore Corporation Method for retrovirus removal
US9750829B2 (en) 2009-03-19 2017-09-05 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
WO2018043324A1 (ja) * 2016-09-02 2018-03-08 東レ株式会社 スパンボンド不織布およびその製造方法
KR20190043534A (ko) 2016-09-02 2019-04-26 도레이 카부시키가이샤 스판본드 부직포 및 그의 제조 방법
JP2020073749A (ja) * 2016-03-30 2020-05-14 三井化学株式会社 スパンボンド不織布
US10675588B2 (en) 2015-04-17 2020-06-09 Emd Millipore Corporation Method of purifying a biological material of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode
US11154821B2 (en) 2011-04-01 2021-10-26 Emd Millipore Corporation Nanofiber containing composite membrane structures

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Publication number Priority date Publication date Assignee Title
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
AU2010228091B2 (en) * 2009-03-26 2016-06-16 Bl Technologies, Inc. Non-braided reinforced hollow fibre membrane
CN102821837B (zh) * 2010-03-24 2015-07-15 陶氏环球技术有限责任公司 螺旋卷过滤组件
CN102917776A (zh) * 2010-06-03 2013-02-06 东丽株式会社 分离膜元件
JP6058874B2 (ja) * 2010-08-19 2017-01-11 株式会社アストム イオン交換膜及びその製造方法
CN103167904B (zh) * 2010-10-26 2016-10-26 东丽株式会社 分离膜、分离膜元件和分离膜制造方法
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EP2174703A4 (en) 2012-08-15
KR101483475B1 (ko) 2015-01-16
US20100193428A1 (en) 2010-08-05
ES2868124T3 (es) 2021-10-21
US8424687B2 (en) 2013-04-23
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CN101765456A (zh) 2010-06-30
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