WO2020166536A1 - Stratifié - Google Patents

Stratifié Download PDF

Info

Publication number
WO2020166536A1
WO2020166536A1 PCT/JP2020/004983 JP2020004983W WO2020166536A1 WO 2020166536 A1 WO2020166536 A1 WO 2020166536A1 JP 2020004983 W JP2020004983 W JP 2020004983W WO 2020166536 A1 WO2020166536 A1 WO 2020166536A1
Authority
WO
WIPO (PCT)
Prior art keywords
laminate
porous
laminate according
resin layer
particles
Prior art date
Application number
PCT/JP2020/004983
Other languages
English (en)
Japanese (ja)
Inventor
祐巳 乾
岩室　光則
泰治 村上
抗太 岩永
智彦 小竹
藤本　大輔
▲軍▼ 王
勇 ▲張▼
得印 侯
Original Assignee
日立化成株式会社
中国科学院生態環境研究中心
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 日立化成株式会社, 中国科学院生態環境研究中心 filed Critical 日立化成株式会社
Priority to CN202080013653.7A priority Critical patent/CN113412147A/zh
Priority to JP2020572237A priority patent/JPWO2020166536A1/ja
Publication of WO2020166536A1 publication Critical patent/WO2020166536A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
    • B01D61/364—Membrane distillation
    • 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
    • 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
    • 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
    • B01D71/36—Polytetrafluoroethene
    • 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
    • B01D71/46—Epoxy resins
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/447—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by membrane distillation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry

Definitions

  • the present invention relates to a porous laminate excellent in separation of contaminants and water.
  • Patent Document 1 discloses separation of contaminants by a reverse osmosis membrane.
  • membrane distillation As a method other than the reverse osmosis membrane, membrane distillation can be mentioned (for example, Patent Document 2).
  • the present invention has an object to provide a laminate useful as a separation membrane for membrane distillation, which is capable of concentrating pollutants to a high concentration and reducing heat loss associated with separation of pollutants.
  • One aspect of the present invention has a supporting substrate having communicating pores, and a porous resin layer having communicating pores, which is laminated on at least one surface of the supporting substrate, It relates to a laminate in which the resin layer comprises porous particles.
  • the laminate may have a porosity of between 50% and 90%.
  • the 50% particle size of the porous particles may be 1 ⁇ m to 50 ⁇ m.
  • the pore diameter of the peak value in the pore diameter distribution of the porous particles measured in the range of 2 nm to 200 nm may be 5 nm to 150 nm.
  • the thermal conductivity of the porous particles may be 0.05 W/m ⁇ K or less.
  • the pore diameter of the peak value in the pore diameter distribution of the laminate measured in the range of 15 nm to 300 ⁇ m may be 150 nm to 600 nm.
  • the thermal conductivity of the laminate may be 0.01 to 0.13 W/mK.
  • the surface roughness (Ra) of the porous resin layer may be 60 to 100 as observed by an atomic force microscope.
  • the contact angle of the porous resin layer may be 75° or more.
  • the supporting substrate may have a basis weight of 1 to 500 g/m 2 and a thickness of 0.05 mm to 1 mm.
  • a laminate useful as a new separation membrane which can concentrate pollutants to a high concentration, suppress heat loss, and treat a large amount of pollutants.
  • the laminate of the present embodiment has a supporting base material having communicating pores, and a porous resin layer having communicating pores laminated on at least one surface of the supporting base material.
  • the porous resin layer contains porous particles.
  • the type of the resin material forming the porous resin layer is not particularly limited, but nylon 66, polyacetal, polycarbonate, polytetrafluoroethylene, polyvinylidene fluoride, polyphenylene oxide, polystyrene, polybutadiene, polyethylene, polypropylene, polyvinyl chloride, polyamide, It may be at least one resin selected from the group consisting of a polyimide acrylic resin, an epoxy resin, a silicon resin, a phenol resin, a urea resin and a melamine resin, and is a copolymer of two or more of these resin precursor monomers. It may be a polymer.
  • Polytetrafluoroethylene, polyvinylidene fluoride, polyethylene, and polypropylene are easy to apply the stretching method, the non-solvent phase separation method, etc., which are widely used as the method for producing the porous resin layer, and thus the porous resin layer can be easily formed. It can be obtained and is preferable.
  • the porous particles are not particularly limited, but include styrene-divinylbenzene-based crosslinked polymer particles, methacrylate-based crosslinked polymer particles, polyvinyl alcohol-based crosslinked polymer particles, phenol-based crosslinked polymer particles, porous silica particles, and porous acrylic particles.
  • Porous organosilicon compounds are preferable because they have lower thermal conductivity than other materials.
  • the material of the supporting substrate is not particularly limited, but examples thereof include aramid, cellulose, nylon, vinylon, polyester, polyolefin, rayon, polyamide, polyalkylene terephthalate, non-woven fabrics such as polyalkylene naphthalate, glass, and metal mesh. It can.
  • polymer non-woven fabrics such as polyamide, polyester, polyolefin, nylon, polyethylene terephthalate, polyethylene, polypropylene, EVA (ethylene/vinyl acetate copolymer), nylon, polypropylene, polyethylene terephthalate are suitable for easy processing and molding. is there.
  • the thickness of the supporting substrate is not particularly limited, but the thickness is preferably 0.05 mm to 1 mm, more preferably 0.08 mm to 0.3 mm.
  • the thickness of the supporting base material used is 0.05 mm or more, the strength of the laminate is easily secured, and when the thickness is 1 mm or less, the amount of treatment per unit time can be increased, which is preferable.
  • a preferred embodiment of the present invention also includes a case where two or more supporting base materials thinner than the above range are used in a stacked manner and the thickness is within the above range.
  • the basis weight of the supporting substrate is not particularly limited, but the basis weight is preferably 1 to 500 g/m 2 , and more preferably 50 to 150 g/m 2 .
  • unit weight refers to the mass per unit area of the supporting base material.
  • the unit weight is the total unit weight of each layer.
  • the laminate of the present embodiment can be suitably used as a porous membrane (separation membrane) for membrane distillation.
  • Example 1 2 g of polyethylene glycol (manufactured by Sinopharm, PEG-400) and 3 g of lithium chloride (manufactured by Sinopharm) were added to 84 g of N,N-dimethylacetamide (manufactured by Sinopharm) and dissolved by stirring for 1 hour. 1 g of porous particles (airgel particles) were added to the solution and stirred for 1 hour to uniformly disperse the particles in the solution. Then, 10 g of polyvinylidene fluoride (manufactured by Solvay) was added, and the mixture was stirred at room temperature for 6 hours to be dissolved. The mixed solution was degassed under reduced pressure for 6 hours to obtain a coating liquid.
  • polyethylene glycol manufactured by Sinopharm, PEG-400
  • lithium chloride manufactured by Sinopharm
  • the obtained coating liquid was dropped onto a PET non-woven fabric and applied with a film thickness of 1 mm using an applicator (manufactured by Schwan technology). After being exposed to the atmosphere for 10 seconds, it was immersed in deionized water for 24 hours. After the immersion, it was dried in an oven at 50° C. for 24 hours to obtain a porous laminate.
  • Examples 2 to 8 were produced by the same method as Example 1 except that the compounding ratio of raw materials to be added and the 50% particle diameter of the porous particles were different. The compounding ratio and the 50% particle size are shown in Table 1.
  • the coating liquid was coated on a metal plate at room temperature using a coating tool.
  • the metal plate provided with the coating film was placed on another metal plate cooled with ice, the coating film became cloudy and became a solid coating film.
  • the metal plate provided with the coating film was immersed in separately prepared cold water for 2 to 3 minutes, and the coating film was peeled from the metal plate.
  • the peeled coating film was immersed in pure water for 12 hours to completely remove DMSO and then dried for 1 hour in a dryer set at 40° C. to obtain a white porous film.
  • the film thickness was 0.5 mm.
  • a porous membrane with low heat loss and high throughput can be produced by simply adding porous particles without changing the material, thickness and production method of the conventional nanoporous porous polymer membrane. It can be very useful.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un stratifié comprenant : un substrat de support ayant des trous d'air communicants ; et une couche de résine poreuse stratifiée sur au moins une surface du substrat de support, la couche de résine poreuse ayant des trous d'air communicants. La couche de résine poreuse comprend des particules poreuses.
PCT/JP2020/004983 2019-02-12 2020-02-07 Stratifié WO2020166536A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080013653.7A CN113412147A (zh) 2019-02-12 2020-02-07 层叠物
JP2020572237A JPWO2020166536A1 (ja) 2019-02-12 2020-02-07 積層物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910111414.4 2019-02-12
CN201910111414.4A CN111545069A (zh) 2019-02-12 2019-02-12 层叠物

Publications (1)

Publication Number Publication Date
WO2020166536A1 true WO2020166536A1 (fr) 2020-08-20

Family

ID=71998031

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/004983 WO2020166536A1 (fr) 2019-02-12 2020-02-07 Stratifié

Country Status (4)

Country Link
JP (1) JPWO2020166536A1 (fr)
CN (2) CN111545069A (fr)
TW (1) TW202039066A (fr)
WO (1) WO2020166536A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220219126A1 (en) * 2021-01-13 2022-07-14 Tongji University Zeolite membrane and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02222715A (ja) * 1989-02-23 1990-09-05 Toray Ind Inc 非対称構造の膜及びその製造方法
JPH03221129A (ja) * 1990-01-26 1991-09-30 Toray Ind Inc 分離膜
JP2013503734A (ja) * 2009-09-03 2013-02-04 ヴラームス インステリング ヴール テクノロギシュ オンデルゾーク エヌ．ヴイ． （ヴイアイティーオー） フィルター膜を支持するためのフレーム
JP2015013257A (ja) * 2013-07-05 2015-01-22 住友ベークライト株式会社 浸透気化膜およびフェノール濃縮方法
JP2015178105A (ja) * 2010-06-16 2015-10-08 日東電工株式会社 防水通気フィルタおよびその製造方法
JP2016513000A (ja) * 2013-01-17 2016-05-12 メンブレーン ディスティレイション デザリネイション リミティド カンパニー 多層高分子型の混合マトリックス膜の調製のための新規な技術ならびに膜蒸留のための装置
WO2018164143A1 (fr) * 2017-03-10 2018-09-13 株式会社アストム Appareil d'électrodialyse et appareil d'électrodialyse inverse
JP2018172563A (ja) * 2017-03-31 2018-11-08 住友化学株式会社 相互貫入網目構造を有するゲル

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1371409B1 (fr) * 2001-02-16 2006-02-01 Toray Industries, Inc. Film de separation, element de film de separation, module de film de separation, dispositif de traitement d'eaux usees et residuaires, et procede de fabrication de film de separation
CN101829502A (zh) * 2010-06-03 2010-09-15 张鹏 一种基于气凝胶的膜蒸馏及相关膜过程用膜
UA55764U (ru) * 2010-06-04 2010-12-27 Олег Борисович Мелащенко Способ разделения с использованием мембраны с низкой теплопроводностью
MY167864A (en) * 2011-01-24 2018-09-26 Membrane Distillation Desalination Ltd Co Composite membranes for membrane distillation and related methods of manufacture
JP2012206062A (ja) * 2011-03-30 2012-10-25 Nihon Gore Kk 複合膜
JP5879161B2 (ja) * 2012-03-09 2016-03-08 旭化成ケミカルズ株式会社 水蒸気分離膜及びその製造方法
TWI487620B (zh) * 2013-12-27 2015-06-11 Ind Tech Res Inst 低導熱薄膜、其製法及具有該薄膜之薄膜蒸餾裝置
CN105833736A (zh) * 2016-05-24 2016-08-10 华南理工大学 一种高选择性低导热非对称透湿膜及其制备方法和应用
WO2018062705A1 (fr) * 2016-09-28 2018-04-05 코오롱인더스트리 주식회사 Membrane de filtration à membrane de distillation et son procédé de fabrication
CN109279681A (zh) * 2017-07-21 2019-01-29 日立化成株式会社 膜蒸馏用膜以及膜蒸馏组件
JP6779267B2 (ja) * 2018-10-10 2020-11-04 住友化学株式会社 積層多孔質フィルム及び非水電解液二次電池

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02222715A (ja) * 1989-02-23 1990-09-05 Toray Ind Inc 非対称構造の膜及びその製造方法
JPH03221129A (ja) * 1990-01-26 1991-09-30 Toray Ind Inc 分離膜
JP2013503734A (ja) * 2009-09-03 2013-02-04 ヴラームス インステリング ヴール テクノロギシュ オンデルゾーク エヌ．ヴイ． （ヴイアイティーオー） フィルター膜を支持するためのフレーム
JP2015178105A (ja) * 2010-06-16 2015-10-08 日東電工株式会社 防水通気フィルタおよびその製造方法
JP2016513000A (ja) * 2013-01-17 2016-05-12 メンブレーン ディスティレイション デザリネイション リミティド カンパニー 多層高分子型の混合マトリックス膜の調製のための新規な技術ならびに膜蒸留のための装置
JP2015013257A (ja) * 2013-07-05 2015-01-22 住友ベークライト株式会社 浸透気化膜およびフェノール濃縮方法
WO2018164143A1 (fr) * 2017-03-10 2018-09-13 株式会社アストム Appareil d'électrodialyse et appareil d'électrodialyse inverse
JP2018172563A (ja) * 2017-03-31 2018-11-08 住友化学株式会社 相互貫入網目構造を有するゲル

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220219126A1 (en) * 2021-01-13 2022-07-14 Tongji University Zeolite membrane and preparation method thereof
US12011693B2 (en) * 2021-01-13 2024-06-18 Tongji University Zeolite membrane and preparation method thereof

Also Published As

Publication number Publication date
CN111545069A (zh) 2020-08-18
JPWO2020166536A1 (ja) 2021-12-09
CN113412147A (zh) 2021-09-17
TW202039066A (zh) 2020-11-01

Similar Documents

Publication Publication Date Title
Fang et al. Hydrophobic porous alumina hollow fiber for water desalination via membrane distillation process
Ghanbari et al. Synthesis and characterization of novel thin film nanocomposite reverse osmosis membranes with improved organic fouling properties for water desalination
Efome et al. Effects of superhydrophobic SiO2 nanoparticles on the performance of PVDF flat sheet membranes for vacuum membrane distillation
Zinadini et al. Preparation of a novel antifouling mixed matrix PES membrane by embedding graphene oxide nanoplates
Subramanian et al. New directions in nanofiltration applications—Are nanofibers the right materials as membranes in desalination?
Feng et al. Synthesis of graphene oxide/polyimide mixed matrix membranes for desalination
Hu et al. Highly efficient removal of phenol from aqueous solutions using graphene oxide/Al 2 O 3 composite membrane
Emadzadeh et al. Synthesis of thin film nanocomposite forward osmosis membrane with enhancement in water flux without sacrificing salt rejection
Bhran et al. Preparation of PVC/PVP composite polymer membranes via phase inversion process for water treatment purposes
Kong et al. Enhanced performance of inorganic-polyamide nanocomposite membranes prepared by metal-alkoxide-assisted interfacial polymerization
Gu et al. Preparation of alumina membranes comprising a thin separation layer and a support with straight open pores for water desalination
JP5181119B2 (ja) オルガノポリシロキサンコポリマーからの多孔質膜
Zhao et al. Flux enhancement in membrane distillation by incorporating AC particles into PVDF polymer matrix
AU2014277784B2 (en) Porous polymeric membrane with high void volume
Wu et al. Improved filtration performance and antifouling properties of polyethersulfone ultrafiltration membranes by blending with carboxylic acid functionalized polysulfone
Ahmad et al. Superhydrophobic alumina membrane by steam impingement: Minimum resistance in microfiltration
RU2492918C2 (ru) Тонкие первапорационные мембраны
JP2009536916A (ja) ナノ多孔性炭素質膜及びそれに関する方法
Tian et al. A co-casting route enables the formation of skinless, hydrophobic poly (vinylidene fluoride) membranes for DCMD
Khan et al. Improved hydrophilicity and anti-fouling properties of polyamide TFN membrane comprising carbide derived carbon
WO2014135972A1 (fr) Membranes de distillation comprenant des nanostructures, procédés de fabrication de membranes, et procédés de dessalement et de séparation
WO2020166536A1 (fr) Stratifié
Ahmad et al. Effect of additives on hydrophobicity of PVDF membrane in two-stage coagulation baths for desalination
Zheng et al. Interconnected PVDF-CTFE hydrophobic membranes for MD desalination: effect of PEGs on phase inversion process
Zhu et al. Effects of polyvinylidene fluoride substrate characteristics on the selectivity of thin‐film composite nanofiltration membrane

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20755109

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020572237

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 04/11/2021).

122 Ep: pct application non-entry in european phase

Ref document number: 20755109

Country of ref document: EP

Kind code of ref document: A1