JP6346892B2 - ポリアミド複合逆浸透膜の性能を向上させるためのアミノシロキサンによるフラックス増強剤 - Google Patents
ポリアミド複合逆浸透膜の性能を向上させるためのアミノシロキサンによるフラックス増強剤 Download PDFInfo
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- JP6346892B2 JP6346892B2 JP2015528484A JP2015528484A JP6346892B2 JP 6346892 B2 JP6346892 B2 JP 6346892B2 JP 2015528484 A JP2015528484 A JP 2015528484A JP 2015528484 A JP2015528484 A JP 2015528484A JP 6346892 B2 JP6346892 B2 JP 6346892B2
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- 239000012528 membrane Substances 0.000 title claims description 48
- 239000004952 Polyamide Substances 0.000 title claims description 47
- 229920002647 polyamide Polymers 0.000 title claims description 47
- 239000002131 composite material Substances 0.000 title claims description 38
- -1 Aminosiloxane Chemical class 0.000 title claims description 33
- 238000001223 reverse osmosis Methods 0.000 title claims description 18
- 239000003623 enhancer Substances 0.000 title 1
- 230000004907 flux Effects 0.000 title 1
- 239000000654 additive Substances 0.000 claims description 68
- 230000000996 additive effect Effects 0.000 claims description 59
- 239000008346 aqueous phase Substances 0.000 claims description 55
- 239000012074 organic phase Substances 0.000 claims description 49
- 239000000758 substrate Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 28
- 150000001412 amines Chemical class 0.000 claims description 27
- 150000001875 compounds Chemical class 0.000 claims description 27
- 150000004820 halides Chemical class 0.000 claims description 23
- 229920000642 polymer Polymers 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 17
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 15
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 15
- 239000007795 chemical reaction product Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000001728 nano-filtration Methods 0.000 claims description 9
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- 125000000217 alkyl group Chemical group 0.000 claims description 7
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical group ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 229920002492 poly(sulfone) Polymers 0.000 claims description 5
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- 125000004122 cyclic group Chemical group 0.000 claims description 4
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- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- GLUUGHFHXGJENI-UHFFFAOYSA-N diethylenediamine Natural products C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
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- 229920001643 poly(ether ketone) Polymers 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920001470 polyketone Polymers 0.000 claims description 3
- 229920005554 polynitrile Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001955 polyphenylene ether Polymers 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 claims description 2
- RXYPXQSKLGGKOL-UHFFFAOYSA-N 1,4-dimethylpiperazine Chemical compound CN1CCN(C)CC1 RXYPXQSKLGGKOL-UHFFFAOYSA-N 0.000 claims description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 2
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 claims description 2
- UQBNGMRDYGPUOO-UHFFFAOYSA-N 1-n,3-n-dimethylbenzene-1,3-diamine Chemical compound CNC1=CC=CC(NC)=C1 UQBNGMRDYGPUOO-UHFFFAOYSA-N 0.000 claims description 2
- WEEOFHJAGVFCFD-UHFFFAOYSA-N 2-n-chlorobenzene-1,2-diamine Chemical compound NC1=CC=CC=C1NCl WEEOFHJAGVFCFD-UHFFFAOYSA-N 0.000 claims description 2
- HUWXDEQWWKGHRV-UHFFFAOYSA-N 3,3'-Dichlorobenzidine Chemical compound C1=C(Cl)C(N)=CC=C1C1=CC=C(N)C(Cl)=C1 HUWXDEQWWKGHRV-UHFFFAOYSA-N 0.000 claims description 2
- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 claims description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 2
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 125000002015 acyclic group Chemical group 0.000 claims description 2
- WSSOFJVBBYXRNR-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl bromide Chemical compound BrC(=O)C1=CC(C(Br)=O)=CC(C(Br)=O)=C1 WSSOFJVBBYXRNR-UHFFFAOYSA-N 0.000 claims description 2
- KQVAMRBJDWJIBJ-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl iodide Chemical compound IC(=O)C1=CC(C(I)=O)=CC(C(I)=O)=C1 KQVAMRBJDWJIBJ-UHFFFAOYSA-N 0.000 claims description 2
- YAZXITQPRUBWGP-UHFFFAOYSA-N benzene-1,3-dicarbonyl bromide Chemical compound BrC(=O)C1=CC=CC(C(Br)=O)=C1 YAZXITQPRUBWGP-UHFFFAOYSA-N 0.000 claims description 2
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 claims description 2
- PIVFDRVXTFJSIW-UHFFFAOYSA-N benzene-1,4-dicarbonyl bromide Chemical compound BrC(=O)C1=CC=C(C(Br)=O)C=C1 PIVFDRVXTFJSIW-UHFFFAOYSA-N 0.000 claims description 2
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 claims description 2
- 239000012971 dimethylpiperazine Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims 1
- 229940126062 Compound A Drugs 0.000 claims 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims 1
- HIZMBMVNMBMUEE-UHFFFAOYSA-N cyclohexane-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1CC(C(Cl)=O)CC(C(Cl)=O)C1 HIZMBMVNMBMUEE-UHFFFAOYSA-N 0.000 claims 1
- DCXMNNZFVFSGJX-UHFFFAOYSA-N cyclopentane-1,1,2,2-tetracarbonyl chloride Chemical compound ClC(=O)C1(C(Cl)=O)CCCC1(C(Cl)=O)C(Cl)=O DCXMNNZFVFSGJX-UHFFFAOYSA-N 0.000 claims 1
- 239000012044 organic layer Substances 0.000 claims 1
- 125000004193 piperazinyl group Chemical group 0.000 claims 1
- 239000010409 thin film Substances 0.000 description 30
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- 239000000463 material Substances 0.000 description 7
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- 239000012466 permeate Substances 0.000 description 6
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
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- 239000000243 solution Substances 0.000 description 5
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- 230000005540 biological transmission Effects 0.000 description 4
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- 125000000524 functional group Chemical group 0.000 description 4
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- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
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- 125000003277 amino group Chemical group 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
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- UIMAOHVEKLXJDO-UHFFFAOYSA-N (7,7-dimethyl-3-oxo-4-bicyclo[2.2.1]heptanyl)methanesulfonate;triethylazanium Chemical compound CCN(CC)CC.C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C UIMAOHVEKLXJDO-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 150000001266 acyl halides Chemical class 0.000 description 2
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- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 1
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 description 1
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- KRJYMHQSKZCAEL-UHFFFAOYSA-N benzene-1,3-dicarbonyl iodide Chemical compound IC(=O)C1=CC=CC(C(I)=O)=C1 KRJYMHQSKZCAEL-UHFFFAOYSA-N 0.000 description 1
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- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
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- 238000001000 micrograph Methods 0.000 description 1
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- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
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- 238000004611 spectroscopical analysis Methods 0.000 description 1
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Classifications
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- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
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- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
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- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
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- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
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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
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- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/48—Polymers modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/445—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences
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- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/02—Cellular or porous
- B32B2305/026—Porous
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Description
本発明者らは、上記の式(2)及び(3)の反応でシロキサン−1を形成することによって、アミノシロキサン化合物の一例を合成した。温度計及びスターラーを備えた100mL三つ口丸底フラスコを使用して、2.06gの3−(N−2−アミノエチル)アミノプロピルメチルジメトキシシラン、25.5gのオクタメチルシクロテトラシロキサン、0.81gのヘキサメチルジシロキサン、0.022gの水酸化カリウム及び0.142gのジメチルスルホキシドを反応させた。反応は、窒素気流中、110℃で6時間実施した。次に0.024gの酢酸を添加し、混合物をさらに100℃で1時間撹拌した。次いで反応混合物から低沸点成分を真空中100℃で2時間ストリッピングした。こうして上記の式(2)の反応生成物を得た。
例示的な薄膜ポリアミド複合膜に関する以下の記載には、限定としてではなく例として提供される化学構造、式、質量及び比が含まれる。
透過液体積は10-5cm3の単位で表す。膜面積はcm2で測定し、時間は秒で測定し、有効駆動圧力は25℃におけるatmで測定する。有効駆動圧力は、生理食塩水と透過液との間の浸透圧の差を減じた膜間差圧の平均である。
図7は、250ppmのOFX−8600水溶液と、0.2%TMCの有機溶液との間の界面に形成された、反応生成物のフィルム(図7の矢印を参照されたい)を示す写真である。このフィルムは、MPD及びTEACSAの非存在下で形成される。
Claims (24)
- 水相と有機相と添加剤とを反応させることを含むポリアミド複合膜の製造方法であって、水相がアミンを含み、有機相がポリアシルハライドを含み、添加剤が以下のものからなる群から選択される化合物であり、反応が基材表面又はその近傍で起こる、方法。
- 前記添加剤が次の式の化合物である、請求項1記載の方法。
- 前記添加剤が次の式の化合物である、請求項1記載の方法。
- 前記添加剤が次の式の化合物である、請求項1記載の方法。
- 前記アミンが、環式多官能性アミン、非環式多官能性アミン、置換環式多官能性アミン、芳香族多官能性アミン、置換芳香族多官能性アミン、多環芳香族多官能性アミン、置換多環芳香族多官能性アミン及びこれらの組合せからなる群から選択される、請求項1記載の方法。
- 前記アミンが、ピペラジン、1,2−エチレンジアミン、メチルピペラジン、ジメチルピペラジン、m−フェニレンジアミン、o−フェニレンジアミン、p−フェニレンジアミン、クロロフェニレンジアミン、N,N’−ジメチル−1,3−フェニレンジアミン、ベンジジン、3,3’−ジメチルベンジジン、3,3’−ジクロロベンジジン及びこれらの組合せからなる群から選択される、請求項1記載の方法。
- 前記有機相が、ジカルボン酸ハライド、トリカルボン酸ハライド、ジトリカルボン酸ハライド、トリトリカルボン酸ハライド、異性体フタロイルハライド、芳香族ジスルホニルハライド、トリスルホニルハライド、芳香族ジイソシアネート、芳香族トリイソシアネート、芳香族ジクロロホルメート、芳香族トリクロロホルメート、これらの混合物で置換された芳香環及びこれらの組合せからなる群から選択される化合物を含む、請求項1記載の方法。
- 前記有機相が、トリメソイルクロリド(1,3,5−ベンゼントリカルボン酸クロリド)、イソフタロイルクロリド、テレフタロイルクロリド、1,3,5−シクロヘキサントリカルボニルクロリド、1,2,3,4−シクロペンタンテトラカルボニルクロリド、トリメソイルブロミド(1,3,5−ベンゼントリカルボン酸ブロミド)、イソフタロイルブロミド、テレフタロイルブロミド、トリメソイルヨージド(1,3,5−ベンゼントリカルボン酸ヨージド)、イソフタロイルヨージド、テレフタロイルヨージド及びこれらの組合せからなる群から選択される化合物を含む、請求項1記載の方法。
- 前記基材が、ファイバーウェブ及びナノファイバーウェブ、焼結金属、焼結セラミックス、ポリスルホン、ポリカーボネート、ミクロポーラスポリオレフィン、ポリアミド、ポリイミド、ポリニトリル、ポリイミン、ポリフェニレンエーテル、ポリケトン、ポリエーテルケトン、ハロゲン化ポリマー、ポリフッ化ビニリデン及びこれらの組合せからなる群から選択される、請求項1記載の方法。
- 水相と有機相と添加剤とを反応させることを含むポリアミド複合膜の製造方法であって、水相がアミンを含み、有機相がポリアシルハライドを含み、添加剤が次の式の化合物であり、反応が基材表面又はその近傍で起こる、方法。
- 請求項1記載の方法で製造されるポリアミド複合膜の、逆浸透プロセス又はナノ濾過プロセスにおける使用。
- 多孔質基材と、上記多孔質基材の表面上のポリマー層とを含む逆浸透又はナノ濾過用の複合膜であって、上記ポリマー層が、水相と有機相と添加剤との反応生成物であるポリアミドを含んでいて、水相がアミンを含み、有機相がポリアシルハライドを含み、添加剤が以下のものからなる群から選択される化合物である、複合膜。
- 前記多孔質基材が、ファイバーウェブ及びナノファイバーウェブ、焼結金属、焼結セラミックス、ポリスルホン、ポリカーボネート、ミクロポーラスポリオレフィン、ポリアミド、ポリイミド、ポリニトリル、ポリイミン、ポリフェニレンエーテル、ポリケトン、ポリエーテルケトン、ハロゲン化ポリマー、ポリフッ化ビニリデン及びこれらの組合せからなる群から選択される、請求項12記載の膜。
- 前記添加剤が次の式の化合物である、請求項12記載の膜。
- 前記添加剤が次の式の化合物である、請求項12記載の膜。
- 前記添加剤が次の式の化合物である、請求項12記載の膜。
- 多孔質基材と、
上記多孔質基材の表面上のポリマー層とを含む逆浸透又はナノ濾過用の複合膜であって、上記ポリマー層が、有機層と水相と添加剤との反応生成物であるポリアミドを含んでいて、有機相がポリアシルハライドを含み、水相がアミンを含み、添加剤が次の式の化合物である、複合膜。
- 多孔質基材と、上記多孔質基材の表面上のポリマー層とを含む逆浸透又はナノ濾過用の複合膜であって、上記ポリマー層が、有機相と水相とアミノシロキサン化合物との反応生成物を含んでいて、有機相がポリアシルハライドを含み、水相がアミンを含む、複合膜。
- 有機相と添加剤との反応によって形成されるポリマーであって、有機相がポリアシルハライドを含み、添加剤が次の式の化合物である、ポリマー。
- 水相と有機相と添加剤との反応によって形成されるポリマーであって、水相がアミンを含み、有機相がポリアシルハライドを含み、添加剤が次の式の化合物である、ポリマー。
- 有機相と添加剤との反応によって形成されるポリマーであって、有機相がポリアシルハライドを含み、添加剤が次の式の化合物である、ポリマー。
- 有機相と添加剤との反応によって形成されるポリマーであって、有機相がポリアシルハライドを含み、添加剤が次の式の化合物である、ポリマー。
- 有機相と添加剤との反応によって形成されるポリマーであって、有機相がポリアシルハライドを含み、添加剤が以下のものからなる群から選択される化合物である、ポリマー。
- ポリアシルハライドがトリメソイルクロリドである、請求項19記載のポリマー。
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US13/590,867 | 2012-08-21 | ||
US13/590,867 US9346023B2 (en) | 2012-08-21 | 2012-08-21 | Flux enhancing agent for improving composite polyamide reverse osmosis membrane performance |
PCT/US2013/051585 WO2014031271A1 (en) | 2012-08-21 | 2013-07-23 | Amino-siloxane flux enhancing agent for improving composite polyamide reverse|osmosis membrane performance |
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US20140054228A1 (en) | 2014-02-27 |
US9346023B2 (en) | 2016-05-24 |
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