JP2016194040A - 親水性改質フッ素化膜(iv) - Google Patents
親水性改質フッ素化膜(iv) Download PDFInfo
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- JP2016194040A JP2016194040A JP2015228671A JP2015228671A JP2016194040A JP 2016194040 A JP2016194040 A JP 2016194040A JP 2015228671 A JP2015228671 A JP 2015228671A JP 2015228671 A JP2015228671 A JP 2015228671A JP 2016194040 A JP2016194040 A JP 2016194040A
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- Prior art keywords
- copolymer
- hydrophilic
- porous
- membrane
- formula
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- 238000004364 calculation method Methods 0.000 description 1
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- 238000004113 cell culture Methods 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 239000013522 chelant Chemical group 0.000 description 1
- 229920001688 coating polymer Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- BOXSCYUXSBYGRD-UHFFFAOYSA-N cyclopenta-1,3-diene;iron(3+) Chemical class [Fe+3].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 BOXSCYUXSBYGRD-UHFFFAOYSA-N 0.000 description 1
- PESYEWKSBIWTAK-UHFFFAOYSA-N cyclopenta-1,3-diene;titanium(2+) Chemical compound [Ti+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 PESYEWKSBIWTAK-UHFFFAOYSA-N 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- ISAOCJYIOMOJEB-UHFFFAOYSA-N desyl alcohol Natural products C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010931 ester hydrolysis Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000011987 hoveyda–grubbs catalyst Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- XEMZLVDIUVCKGL-UHFFFAOYSA-N hydrogen peroxide;sulfuric acid Chemical compound OO.OS(O)(=O)=O XEMZLVDIUVCKGL-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 102000039446 nucleic acids Human genes 0.000 description 1
- 108020004707 nucleic acids Proteins 0.000 description 1
- 150000007523 nucleic acids Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- 150000002976 peresters Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229960000380 propiolactone Drugs 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005932 reductive alkylation reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229940117986 sulfobetaine Drugs 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- 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
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
-
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
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- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0095—Drying
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D69/10—Supported membranes; Membrane supports
- B01D69/106—Membranes in the pores of a support, e.g. polymerized in the pores or voids
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D—SEPARATION
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- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F132/00—Homopolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
- C08F132/08—Homopolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having condensed rings
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- C08F232/00—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
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Abstract
【解決手段】次式で表されるブロックコポリマー又はランダムコポリマー。
(n及びmは操り返し単位A及びBの数で、1〜約1000の整数;10≦n+m)
【選択図】なし
Description
[0001]フルオロポリマー膜、例えば多孔質PTFE膜の機械的強度、耐薬品性又は化学的不活性、非付着性、優れた誘電特性、高温での熱的安定性、及び低摩擦係数を含む特性によって、フルオロポリマー膜は様々な用途に対して非常に魅力あるものになる。しかし、ある種の用途に対しては、その本質的な特性に影響することなく、PTFE表面を改質することが便益となるであろう。特定の用途に対する膜の適合性を改善するために、PTFE膜の表面特性及び化学的性質を改質することが試みられてきた。例えば、表面被覆、混合、例えば、膜を波長250〜450nmのUV放射に曝す広帯域紫外線放射又はBBUV、及びプラズマ処理などの高エネルギー表面改質、遊離基、及びオゾンエッチング、原子層蒸着、及び改質PTFE様ポリマーの合成などが試みられた。しかし、大抵の試みは、BBUV及びプラズマなどの高エネルギー処理に集中した。これら表面改質法の正確なメカニズムは報告されていないが、C−C結合の強度は、F−F結合よりも約40%低いことが知られているため、結合切断によって、遊離基形成がもたらされると考えられる。遊離基の大部分が、C−C切断又はポリマー主鎖切断からもたらされている場合、PTFE膜の機械的安定性及び化学的安定性を損なう恐れがある。またプラズマ処理は、膜表面に限られるため、長時間では膜を不安定にさせることも知られている。
[0003]本発明は、多孔質フルオロポリマー支持体、及びコポリマーを含む被覆を含む、親水性複合多孔質膜であって、コポリマーが繰返し単位A及びBを含み、Aは次式のものであり、
Bは次式のものであり、
コポリマーは、ブロックコポリマー又はランダムコポリマーであり、
n及びmは、コポリマーに存在する繰返し単位A及びBの数であり、1〜約1000の範囲であり、但し、nとmの合計が10以上であり、
コポリマーは、任意選択で架橋結合されている、親水性複合多孔質膜を提供する。
[0010]一実施形態によれば、本発明は、多孔質フルオロポリマー支持体、及びコポリマーを含む被覆を含む、親水性複合多孔質膜であって、コポリマーが繰返し単位A及びBを含み、Aは次式のものであり、
Bは次式のものであり、
式中、
コポリマーは、ブロックコポリマー又はランダムコポリマーであり、
n及びmは、コポリマーに存在する繰返し単位A及びBの数であり、1〜約1000の範囲であり、但し、nとmの合計が10以上であり、
コポリマーは、任意選択で架橋結合されている、親水性複合多孔質膜を提供する。
がある。
[0033](i)開環メタセシス重合(ROMP)触媒によって触媒させて、(a)N−ヒドロキシエチルexo−7−オキサノルボルネン5,6−ジカルボキシイミド(iM6)、(b)N−アセトキシエチルexo−7−オキサノルボルネン5,6−ジカルボキシイミド(AciM6)、又は(c)N−メトキシエチルexo−7−オキサノルボルネン5,6−ジカルボキシイミド(M11)を重合して、ホモポリマー、ポリ(iM6)、ポリ(AciM6)、又はポリ(M11)を得るステップと、
[0034](ii)(i)で得られたホモポリマーの分子鎖末端で、ROMP触媒によって触媒させて、5−(パーフルオロ−n−ヘキシル)ノルボルネン又はビシクロ[2−2−1]ヘプタ−2−エンモノパーフルオロヘキサン又は5−(パーフルオロ−n−オクチル)ノルボルネン又はビシクロ[2−2−1]ヘプタ−2−エンモノパーフルオロオクタンを逐次重合するステップと
を含む、本発明の一実施形態による、コポリマーを調製する方法をさらに提供する。
[0036](i)ROMP触媒によって触媒させて、N−(モノメトキシトリエチレンオキシド)ジメチルアンモニウムexo−7−ノルボルネン5,6−ジカルボキシイミド(QNTEG)塩、又はN−(スルホニルプロピル)ジメチルアンモニウムexo−7−ノルボルネン5,6−ジカルボキシイミド(スルホベタイン両性イオンノルボルネン(Sulfobetaine Zwitterionic NorBornene)、SZNB)を重合して、ホモポリマーを得るステップと、
[0037](ii)(i)で得られたホモポリマーの分子鎖末端で、ROMP触媒によって触媒させて、5−(パーフルオロ−n−ヘキシル)ノルボルネン又はビシクロ[2−2−1]ヘプタ−2−エンモノパーフルオロヘキサン又は5−(パーフルオロ−n−オクチル)ノルボルネン又はビシクロ[2−2−1]ヘプタ−2−エンモノパーフルオロオクタンを逐次重合するステップと
を含む、本発明の他の実施形態による、コポリマーを調製する方法をさらに提供する。
(i)多孔質フルオロポリマー支持体を用意するステップと、
(ii)上記の、溶媒及びコポリマーを含む溶液で、多孔質フルオロポリマー支持体を被覆するステップと、
(iii)(ii)からの被覆支持体を乾燥させて、前記コポリマー又はホモポリマーを含む溶液から、溶媒の少なくとも一部を取り除くステップと、任意選択で、
(iv)被覆支持体に存在する前記コポリマーを架橋結合させるステップと
を含む、フルオロポリマー支持体を親水性改質する方法をさらに提供する。
[0061]材料:以下の材料を購入し、そのまま使用した。
[0064]本実施例は、ジクロロ[1,3−ビス(2,4,6−トリメチルフェニル)−2−イミダゾリジニリデン](ベンジリデン)ビス(3−ブロモピリジン)ルテニウム(II)(G3)触媒の調製を説明する。
[0066]本実施例は、本発明の一実施形態の、ホモポリマー及びコポリマーの、ゲル浸透クロマトグラフィーによる特性決定を説明する。
[0068]移動相:ジクロロメタン(DCM)
[0069]移動相温度:30℃
[0070]UV波長:245nm
[0071]使用するカラム:3本のPSS SVD Lux分析カラム(スチレン−ジビニルベンゼンコポリマー網目構造)、直径5μm、孔径が1000A、100,000A、及び1,000,000Aであるビーズを固定相として有するカラム、及びガードカラム
[0072]流量:1mL/分
[0073]GPCシステム:UV検出器及びRI検出器を備える、Waters HPLC Alliance e2695システム
[0074]MALSシステム:664.5nmのレーザーを作動させる、8個の検出器を備えるDAWN HELEOS8システム
[0075]本実施例は、本発明の一実施形態のNPF6モノマーを調製する工程を説明する。
[0078]本実施例は、本発明の一実施形態の、iM6及びiM6Acの合成を説明する。
[0082]本実施例は、本発明の一実施形態の、ポリ(iM6−b−NPF6)の特性を説明する。
[0091]本実施例は、本発明の一実施形態の、ポリ(SZNB−NPF6)の合成及び特性を説明する。多様なポリ(SZNB−NPF6)コポリマー(ポリ(SZNB−r−NPF6)、ポリ(SZNB−b−NPF6)−1、ポリ(SZNB)ホモポリマー、及びポリ(SZNB−b−NPF6))を合成した。それらの全体的な構造をNMR分光法によって確かめた。元素分析の結果、特に、沈殿したコポリマーの回収量に結びつくN/F比は、その最終的な組成を評価するのに適用された。
[0093]5−ノルボルネン−2−カルボキシアルデヒド(20mL、約149mmol)を、周囲温度で30分間勢いよく撹拌しながら、ジメチルアミン2MTHF溶液で希釈した。固体ナトリウムトリアセトキシボロヒドリド(40g、約180mmol)を10分にわたって分けて添加し、その間に発熱反応が観察された。この段階で、混合物を、無水1,2−ジクロロエタン(50mL)で希釈し、16時間撹拌し続けた。反応混合物を、過剰な飽和重炭酸ナトリウム溶液に注ぎ込むことによって急冷し、次いでジクロロメタン(150mL)で抽出した。下部の有機層を分離し、飽和重炭酸溶液、塩水で抽出し、次いで無水硫酸マグネシウムで乾燥させた。デカンテーション後、有機相を2容量のペンタンで希釈し、不溶性材料を濾過し、次いで回転式蒸発(roto−evaporation)によって、真空30トル(torr)を超えず、槽内温度50℃で濃縮した。得られた褐色の液体(粗収率81%に相当する18.2g)は、NMRによって十分に純粋であることを確かめられ、そのままアルキル化ステップを実施した。
[0095]NMDMAである、上記の三級アミン12.5gを、無水THF(80mL)で希釈し、次いで1,3−プロパンスルトン(12.5g、約1.2.当量(equivalent))を溶解させた無水THF(30mL)溶液を、周囲温度で勢いよく撹拌しながら15分にわたって滴下で添加した。反応過程は、沈殿物の生成量が増えることによって見て明らかであった。24時間後、その固体を濾過し、無水THFで数回洗浄し、最後にジエチルエーテルで1回洗浄した。得られた生成物は、一晩中、60℃、ハウスバキューム(house vacuum)で乾燥させ、最後にモノマーSZNBを12.8g収率(59%)で得た。所望の構造は、NMR(重水中)及びLCMSによって確かめられ、所望の分子ピーク274.4が観測された。ROMP重合プロトコルについて、元素分析によって十分な純度を確かめた(計算 C57.11、H8.48、N5.12、S11.93、実測 C56.07、H9.37、N4.85、S11.15)。
[0097]ROMPは、塩基性アルミナで貯蔵し、アルゴンで大々的にパージした溶媒中で、アルゴンの正圧下で実施された。カニューレを挿入することによって、溶液をフラスコ間で移動させた。全ての操作は周囲温度で行われた。典型的には、第三世代グラブス触媒(G3)をアルゴンでパージした丸底フラスコ内へ計量し、次いで適切な溶媒で溶解させ、モノマー溶液を、順序よく(ブロックコポリマー合成用)又は混合物として(ランダムコポリマー用)添加した。適切な時間経過後、過剰なエチルビニルエーテル(EVE)を添加して重合を終わらせ、30分間撹拌し、約10容量の適切な非溶媒を滴下で添加することによって、最後に沈殿させた。上澄み液を取り除いた後、固体を非溶媒で数回洗浄し、次いで、回転式蒸発用の風袋を差し引いたフラスコ(tarred flask)へ、真空で一定重量まで移すために、固体を(典型的にはTFEに)溶解させた。
[0099]G3(14mg)のTFE(10mL)溶液へ、SZNB(1.7g)とNPF6(0.64g)を共にTFE(40mL)へ溶解させた混合物を添加し、16時間撹拌し続け、次いで、EVE急冷及びメタノールでの沈殿を行った。2.05g(全モノマー供給量の85%)を回収した。元素分析 実測 C44.38、H6.19、F25.41、N2.46、S5.90。
[00101]G3(26mg)のTFE(10mL)溶液へ、SZNB(3.16g)のTFE(60mL)溶液を添加し、次いで2時間撹拌した。次に、NPF6(1.19g)のTFE(10mL)溶液を添加した。その後間もなく、反応混合物が濁り、沈殿が生成され始めた。さらに30分経過し、EVE急冷した後、沈殿物を濾過し、メタノールで洗浄し、次いで分析によって、大部分がホモポリマーNPF6であることを確かめた。メタノール洗浄と合わせた濾過液に生成された沈殿物を単離した。3.15g(全モノマー供給量の72%)を回収した。元素分析 実測 C45.84、H7.25、F14.37、N3.45、S8.27。
[00103]G3(9mg)のDCM(15mL)溶液へ、SZNB(1.05g)のTFE(20mL)溶液を添加し、次いで1時間撹拌した。次に、NPF6(0.4g)を溶解させたDCM(5mL)溶液を添加し、30分間撹拌し続け、次いで、EVE急冷及びメタノールでの沈殿を行った。0.84g(全モノマー供給量の58%)を回収した。元素分析 実測 C50.17、H9.62、F1.11、N4.24、S10.28。
[00105]G3(26mg)のTFE/DCM1:1混合物(20mL)溶液へ、SZNB(3.21g)のTFE/DCM1:1混合物(80mL)溶液を添加し、次いで2時間撹拌した。次に、NPF6(1.21g)をTFE/DCM1:1混合物(20mL)に溶解させた溶液を添加し、30分間撹拌し続け、次いで、EVE急冷及びジエチルエーテルでの沈殿を行った。沈殿物を温かいメタノール(100mL)で16時間抽出し、次いで一定重量まで乾燥させた。1.83g(全モノマー供給量の41%)を回収した。元素分析 実測 C48.02、H6.98、F17.11、N3.31、S7.41。
Claims (12)
- 多孔質フルオロポリマー支持体、及びコポリマーを含む被覆を含む、親水性複合多孔質膜であって、コポリマーが繰返し単位A及びBを含み、Aは次式のものであり、
Bは次式のものであり、
コポリマーは、ブロックコポリマー又はランダムコポリマーであり、
n及びmは、コポリマーに存在する繰返し単位A及びBの数であり、1〜約1000の範囲であり、但し、nとmの合計が10以上であり、
コポリマーは、任意選択で架橋結合されている、親水性複合多孔質膜。 - コポリマーが、アリール基及びアルコキシ基から選択される、分子鎖末端基を有する、請求項1に記載の親水性複合多孔質膜。
- コポリマーが、以下の式
の1つである、請求項1又は2に記載の親水性複合多孔質膜。 - コポリマーが、以下の式
の1つである、請求項3に記載の親水性複合多孔質膜。 - コポリマーが、以下の式
の1つである、請求項3に記載の親水性複合多孔質膜。 - (i)多孔質フルオロポリマー支持体を用意するステップと、
(ii)溶媒及びコポリマーを含む溶液で、多孔質フルオロポリマー支持体を被覆するステップであって、コポリマーは繰返し単位A及びBを有し、Aは次式のものであり、
Bは次式のものであり、
コポリマーは、ブロックコポリマー又はランダムコポリマーであり、
n及びmは、コポリマーに存在する繰返し単位A及びBの数であり、1〜約1000の範囲であり、但し、nとmの合計が10以上である、ステップと、
(iii)(ii)からの被覆支持体を乾燥させて、前記コポリマーを含む溶液から溶媒の少なくとも一部を取り除くステップと、任意選択で、
(iv)被覆支持体に存在する前記コポリマーを架橋結合させるステップと
を含む、多孔質フルオロポリマー支持体を親水性改質する方法。 - コポリマーが、アリール基及びアルコキシ基から選択される分子鎖末端基を有する、請求項6に記載の多孔質フルオロポリマー支持体を親水性改質する方法。
- コポリマーが、以下の式
の1つである、請求項6又は7に記載の多孔質フルオロポリマー支持体を親水性改質する方法。 - 請求項6〜8のいずれか一項に記載の多孔質フルオロポリマー支持体を親水性改質する方法によって製造される、親水性改質多孔質フルオロポリマー膜。
- 前記多孔質フルオロポリマー支持体が、PTFE、PVDF、PVF(ポリフッ化ビニル)、PCTFE(ポリクロロトリフルオロエチレン)、FEP(フッ素化エチレンプロピレン)、ETFE(ポリエチレンテトラフルオロエチレン)、ECTFE(ポリ(エチレンクロロトリフルオロエチレン))、PFPE(パーフルオロポリエーテル)、PFSA(パーフルオロスルホン酸)、及びパーフルオロポリオキセタンから選択される、請求項1〜5のいずれか一項に記載の親水性複合多孔質膜、又は請求項10に記載の親水性改質多孔質フルオロポリマー膜。
- 請求項1〜5、9又は10のいずれかに記載の多孔質膜に流体を通すステップを含む、流体を濾過する方法。
- 平面、平坦なシート、ひだ状、管状、らせん状、又は中空繊維の形状に形成される、請求項1〜5、9又は10に記載の親水性多孔質膜。
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US9643130B2 (en) | 2017-05-09 |
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EP3075764A1 (en) | 2016-10-05 |
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TWI569974B (zh) | 2017-02-11 |
CN106397805A (zh) | 2017-02-15 |
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US20160288062A1 (en) | 2016-10-06 |
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