JP6124162B2 - 親水性改質フッ素化膜(iii) - Google Patents
親水性改質フッ素化膜(iii) Download PDFInfo
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- JP6124162B2 JP6124162B2 JP2015209923A JP2015209923A JP6124162B2 JP 6124162 B2 JP6124162 B2 JP 6124162B2 JP 2015209923 A JP2015209923 A JP 2015209923A JP 2015209923 A JP2015209923 A JP 2015209923A JP 6124162 B2 JP6124162 B2 JP 6124162B2
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- copolymer
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- porous fluoropolymer
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- 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
- 230000003204 osmotic effect Effects 0.000 description 1
- 150000002976 peresters Chemical class 0.000 description 1
- 125000005005 perfluorohexyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 150000002978 peroxides 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
- 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
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002791 soaking Methods 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
- 239000002352 surface water Substances 0.000 description 1
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229940035024 thioglycerol Drugs 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D145/00—Coating compositions based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Coating compositions based on derivatives of such polymers
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/80—Block polymers
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- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/027—Nanofiltration
-
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- 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
-
- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
-
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D71/06—Organic material
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F232/08—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 having condensed rings
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- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/045—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated conjugated hydrocarbons other than butadiene or isoprene
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- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
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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
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- B01D2323/00—Details relating to membrane preparation
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- B01D2323/345—UV-treatment
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- B01D2325/36—Hydrophilic membranes
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- B01D2325/00—Details relating to properties of membranes
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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。
[0014]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。
が挙げられ、式中、k=1〜1000である。
[0029]*は、キレート官能基又はイオン交換官能基の結合点であり、
[0030]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。
が挙げられる。
がある。
(i)開環メタセシス重合(ROMP)触媒によって触媒させて、exo−7−オキサノルボルネン−N−4−モノメトキシトリエチレングリコール−5.6−ジカルボキシ無水物(M8)を重合して、ホモポリマー、ポリM8を得るステップと、
(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れた、5−(パーフルオロ−n−ヘキシル)ノルボルネン(NPF6)又は5−(パーフルオロ−n−オクチル)ノルボルネン(NPF10)を逐次重合するステップとを含む、コポリマー、ポリ(M8−b−NPF6)又はポリ(M8−b−NPF10)を調製する方法を提供する。
(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)からの被覆多孔質フルオロポリマー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)被覆フルオロポリマー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。
[0077]材料:以下の材料を購入し、そのまま使用した。
[0080]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。
[0082]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。
[0084]移動相:ジクロロメタン(DCM)
[0085]移動相温度:30℃
[0086]UV波長:245nm
[0087]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
[0088]流量:1mL/分
[0089]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
[0090]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
[0091]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。
[0094]本実施例は、本発明の一実施形態のNPF10モノマーを調製する工程を説明する。
[0097]本実施例は、本発明の一実施形態の、ポリ(M8−b−NPF6)の合成及び特性を説明する。
[0103]本実施例は、本発明の一実施形態の、ポリ(M8−b−NPF6)の表面改質特性を説明する。
[0105]本実施例は、本発明の一実施形態のポリ(M8−r−NPF6)の合成及び特性を説明する。
[0114]本実施例は、本発明の一実施形態の、ポリ(M8−r−NPF6)の表面改質特性を説明する。
[0118]本実施例は、本発明の一実施形態の、ポリ(M8−b−NPF6)−S(CH2)2SO3Na(A)、ポリ(M8−b−NPF6)−SCH2COOH(B)、又はポリ(M8−b−NPF6)−SCH2CH(OH)CH2OH(C)の合成及び特性を説明する。
[0126]本実施例は、本発明の一実施形態の、ポリ(M8−b−NPF10)の合成及び特性を説明する。
[0134]本実施例は、本発明の一実施形態の、ポリ(M8−r−NPF10)の合成及び特性を説明する。
[0139]本実施例は、本発明の一実施形態の、ポリ(M8−b−NPF6)を被覆する方法及び架橋結合させる方法を説明する。
[0141]本実施例は、本発明の一実施形態のポリ(M8−b−NPF6−b−COD)の合成及び特性を説明する。
Claims (15)
- 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、
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
- コポリマーが、1つ又は複数の、次式:
- コポリマーが、
請求項4に記載の親水性複合多孔質膜。 - 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、並びに1つ又は複数の繰返し単位A及びBに結合した1つ又は複数のキレート官能基又はイオン交換官能基を含み、Aは次式のものであり、
*は、キレート官能基又はイオン交換官能基の結合点であり、
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、
- (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、
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)からの被覆フルオロポリマー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)被覆多孔質フルオロポリマー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。 - 溶液が、式Cのポリマーをさらに含む、又はコポリマーで被覆された多孔質フルオロポリマー支持体が、式Cのポリマーでさらに被覆される、
- 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8又は9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、
- 請求項8〜11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1〜7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12に記載の親水性改質多孔質フルオロポリマー膜。
- 請求項1〜7若しくは13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12に記載の親水性改質多孔質フルオロポリマー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1〜7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12に記載の親水性改質多孔質フルオロポリマー膜。
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