WO2020166536A1 - 積層物 - Google Patents
積層物 Download PDFInfo
- 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
- Legal status (The legal status 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 status listed.)
- Ceased
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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—Polytetrafluoroethylene
-
- 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
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- 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.
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- 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
Description
2gのポリエチレングリコール(Sinopharm製、PEG-400)と3gの塩化リチウム(Sinopharm製)を、84gのN,N-ジメチルアセトアミド(Sinopharm製)に加え、1時間撹拌して溶解した。溶液に多孔性粒子(エアロゲル粒子)を1g添加し、1時間撹拌することで、溶液中に均一に分散させた。その後、10gのポリフッ化ビニリデン(Solvay製)を添加し、室温で6時間撹拌して溶解させた。混合溶液を6時間減圧脱泡し、塗液を得た。得られた塗液をPET不織布上に滴下し、アプリケータ(Schwan technol.製)を用いて1mmの膜厚で塗布した。10秒間大気中に曝露したあと、脱イオン水中に24時間浸漬した。浸漬後、50℃のオーブンで24時間乾燥させ、多孔性積層物を得た。
実施例2~8は添加する原料の配合比、多孔性粒子の50%粒子径が異なる他は、実施例1と同じ方法で作製した。配合比及び50%粒子径を表1に示す。
比較例1は多孔性粒子を添加しない以外は、実施例1と同じ方法で作製した。配合比を表1に示す。
ポリフッ化ビニリデン(ダイキン工業株式会社製)20gとジメチルスルホキシド(和光純薬工業株式会社製)80gを200mLの3口フラスコに入れ、80℃で12時間攪拌し、ポリフッ化ビニリデンを完全に溶解させた。その後、エアロゲル粒子(約4g、膜全体の約20質量%)を入れ、30分間撹拌してこれを分散させた。その後、撹拌を停止し、温度を80℃に維持して気泡が消失するまで約1時間静置し、コーティング液を得た。当該コーティング液20gを、常温の金属板上で、コーティング工具を用いて金属板にコーティングした。当該コーティング膜を付した金属板を、氷を用いて冷却した別の金属板の上に置いたところ、コーティング膜が混濁し、固体のコーティング膜となった。当該コーティング膜を付した金属板を、別に準備した冷水中に2~3分間浸漬し、コーティング膜を金属板から剥離した。剥離したコーティング膜を純水中に12時間浸漬し、DMSOを完全に除去した後、40℃に設定された乾燥機で1時間乾燥し、白色の多孔質膜を得た。膜厚は0.5mmとした。
装置:Scanning electron microscope (Hitachi)
試料:5mm×5mm(試料は、液体窒素で凍結後、小片化した。その後、50℃のオーブンで乾燥した。)
測定方法:試料にスパッタコータ(HITACHI E-1010 Ion)を用いて白金を塗布した後、SEM観察に供した。厚みはSEM画像上で測定した。
ガス吸着量測定装置(カンタクローム・インスルツメンツ・ジャパン合同会社製、Autosorb-iQ(Autosorbは登録商標))を用いて測定した。測定結果をBJH法にて解析し、2nm~200nmの領域の空孔容積を算出した。算出結果において最も空孔容積の多い空孔径の値を、空孔分布曲線におけるピーク値とした。
装置:Zetasizer (Malvern)
試料:100mg/Lとなるよう調整した、多孔性粒子のDMAc溶液。
測定方法:100mg/Lに調整した多孔性粒子のDMAc溶液を超音波撹拌機で1時間撹拌後、測定に供した。
装置:HR83 Halogen (METTLER TOLEDO)
試料:50mm×50mm.Dry.
測定方法:全ての空孔にporfilを充填するため、1分間porfil中に浸漬した。サンプルを取り出し、表面に液体が付着していないことを目視で確認した。サンプルをチャンバーに入れ、湿潤状態の重量を測定した。サンプルを加熱して乾燥させ、重量を測定した。乾燥前後の重量変化から、porfil密度で体積換算し、サンプル体積で割ることにより百分率を計算した。
装置:Capillary Flow Porometer Porolux 1000(IB-FT GmbH,Germany)
試料:直径25mmの円形に試料をカットし、乾燥して測定に供した。
測定方法:全ての空孔にporfilを充填するため、1分間porfil中に浸漬した。サンプルをチャンバーに入れ、測定を開始し、15nm~300μmの測定範囲中の空孔分布中で示されるピーク値を、積層物の空孔径とした。
装置:Thermal conductive meter-TC3000E (Xiatech,China)
試料:40mm×50mm
測定方法:二つのサンプルの間にプローブを置き、温度が安定した後、測定を開始した。
装置:Atomic force microscope (Shimadzu SPM-9600)(Shimadzu, Japan)
試料:5mm×5mm
測定方法:サンプルをスライドガラスの上に置き、測定した。
装置:OCA20 Video-Based Contact Angle Meter (Shimadzu SPM-9600) (DataPhysics Instruments Ltd., Germany)
試料:5mm×40mm.
測定方法:サンプルをスライドガラスの上に置き、室温で0.8μLの水をシリンジを用いて注意深くサンプル表面に滴下した。滴下して10秒後の接触角を測定した。
試料:60mm×80mm.
測定方法:直接接触方式での透過流束の測定を行った。排水温度を65℃、浄水温度を20℃とし、排水には疑似的にNaCl水溶液(35g/L)を使用した。排水側の流束を180mL/min、浄水側の流束を350mL/minとした。浄水側の重量を10分おきに測定し、記録することで、単位時間当たりの浄水増加量を膜面積で割ることによって、透過流速を算出した。また、浄水側の伝導度をモニタリングし、9μS/cmで安定していることから、実施例1~8、比較例1において排水側のNaClが99%以上除去されていることを確認した。
攪拌ホルダー(アドバンテック株式会社製、型式:UHP-76K、ホルダー径:φ76mm)の下部に、φ76mmに加工した積層物をセットした。次いで、100mLの純水を攪拌ホルダー内に注ぎ込み、上部の蓋を閉め、攪拌ホルダーを治具に固定した。次いで、攪拌ホルダー上部の空気投入口より、エアーコンプレッサー(西芝電機株式会社社製、型式:SLP5D-2S)で生成した圧縮空気を0.5kPa/sで供給し、攪拌ホルダー下部の排出口より純水が流れ出てくる圧力を読み取り、積層物の耐水圧とした。
Claims (11)
- 連通した気孔を有する支持基材と、
前記支持基材の少なくとも一方の表面上に積層された、連通した気孔を有する多孔性樹脂層と、
を有し、
前記多孔性樹脂層が多孔性粒子を含む、積層物。 - 空隙率が50%~90%である請求項1に記載の積層物。
- 前記多孔性粒子の50%粒子径が1~50μmである請求項1又は2に記載の積層物。
- 2nm~200nmの範囲で測定された前記多孔性粒子の空孔径分布におけるピーク値の空孔径が、5nm~150nmである、請求項1~3のいずれか一項に記載の積層物。
- 前記多孔性粒子の熱伝導率が0.05W/m・K以下である、請求項1~4のいずれか一項に記載の積層物。
- 15nm~300μmの範囲で測定された前記積層物の空孔径分布におけるピーク値の空孔径が、150nm~600nmである、請求項1~5のいずれか一項に記載の積層物。
- 前記積層物の熱伝導率が0.01~0.13W/m・Kである、請求項1~6のいずれか一項に記載の積層物。
- 前記多孔性樹脂層の表面粗さ(Ra)が、原子間力顕微鏡の観測で60~100である請求項1~7のいずれか一項に記載の積層物。
- 前記多孔性樹脂層の接触角が、75°以上である請求項1~8のいずれか一項に記載の積層物。
- 前記支持基材の、目付けが1~500g/m2であり、厚みが0.05mm~1mmである、請求項1~9のいずれか一項に記載の積層物。
- 耐水圧が50kPa以上である請求項1~10のいずれか一項に記載の積層物。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020572237A JPWO2020166536A1 (ja) | 2019-02-12 | 2020-02-07 | 積層物 |
| CN202080013653.7A CN113412147A (zh) | 2019-02-12 | 2020-02-07 | 层叠物 |
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 |
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| Publication Number | Publication Date |
|---|---|
| WO2020166536A1 true WO2020166536A1 (ja) | 2020-08-20 |
Family
ID=71998031
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2020/004983 Ceased WO2020166536A1 (ja) | 2019-02-12 | 2020-02-07 | 積層物 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPWO2020166536A1 (ja) |
| CN (2) | CN111545069A (ja) |
| TW (1) | TW202039066A (ja) |
| WO (1) | WO2020166536A1 (ja) |
Cited By (1)
| 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)
| 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 (ja) * | 2017-03-10 | 2018-09-13 | 株式会社アストム | 電気透析装置および逆電気透析装置 |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5127107B2 (ja) * | 2001-02-16 | 2013-01-23 | 東レ株式会社 | 分離膜の製造方法 |
| 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 |
| JP5883032B2 (ja) * | 2011-01-24 | 2016-03-09 | 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 | 膜蒸留のための複合膜、及び関連する製造方法 |
| 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 (ko) * | 2016-09-28 | 2018-04-05 | 코오롱인더스트리 주식회사 | 막증류용 여과막 및 그 제조방법 |
| 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 |
-
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Patent Citations (8)
| 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 (ja) * | 2017-03-10 | 2018-09-13 | 株式会社アストム | 電気透析装置および逆電気透析装置 |
| 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)
| 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 |
|---|---|
| TW202039066A (zh) | 2020-11-01 |
| CN113412147A (zh) | 2021-09-17 |
| CN111545069A (zh) | 2020-08-18 |
| JPWO2020166536A1 (ja) | 2021-12-09 |
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