JP2019505700A - ナノファイバ−ナノワイヤ複合体及びその製造方法 - Google Patents
ナノファイバ−ナノワイヤ複合体及びその製造方法 Download PDFInfo
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- JP2019505700A JP2019505700A JP2018558100A JP2018558100A JP2019505700A JP 2019505700 A JP2019505700 A JP 2019505700A JP 2018558100 A JP2018558100 A JP 2018558100A JP 2018558100 A JP2018558100 A JP 2018558100A JP 2019505700 A JP2019505700 A JP 2019505700A
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- C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
- C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
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- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
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Abstract
【選択図】図1
Description
前記ナノ粒子は金属酸化物であり、例えば、酸化亜鉛である。前記ナノ粒子は、水熱合成法によって成長できる限り多様な金属酸化物に変形される。
図1に示すように、前記ナノ粒子120を含む電界紡糸合成溶液に電界紡糸法によってナノファイバ−ナノ粒子複合体10を生成する段階は、ナノファイバ合成用高分子を有機溶媒に溶解させて電界紡糸複合溶液を製造する段階と、乾燥したナノ粒子を前記双極性溶媒に溶解させる段階と、前記ナノ粒子を前記双極性溶媒で分散させる段階と、前記電界紡糸複合溶液に前記ナノ粒子を含む溶液を注入して撹拌する段階と、電界紡糸装置を用いて前記電界紡糸複合溶液からナノファイバ−ナノ粒子複合体を生成する段階と、を含む。前記有機溶媒は、クロロホルム(CHCl3、chloroform)である。前記双極性溶媒は、エタノール(Ethanol)、メタノール(Methanol)、DMF(dimethylformamide)、及びTHF(tetrahydrofuran)の中で少なくとも一つを含む。前記ナノファイバ合成用高分子は、ポリ−L−ラクチド(Poly(L−lactide)、PLLA)、ポリヒドロキシ酪酸(Polyhydroxybutyrate、PHB)、ポリウレタン(Polyurethane、PU)、ポリカーボネート(Polycarbonate、PC)の中で少なくとも一つを含む。前記ナノファイバ合成用高分子は、生分解性高分子又は融点が摂氏90度〜摂氏95度以上の高分子である。前記ナノファイバは、融点が摂氏90度〜摂氏95度以上の高分子から合成される。前記高分子は、ポリアクリル酸(polyacrylic acid、PAA)、ポリスチレンスルホン酸(polystyrene sulfonic acid、PSSA)、ポリメチルメタクリレート(polymethyl methacrylate、PMMA)、ポリメチルアクリルレート(polymethylacrylate、PMA)、ポリビニルアセテート(polyvinyl acetate、PVAc)、ポリビニルピロリドン(polyvinyl pyrrolidone、PVP)、ポリビニルアルコール(polymethyl alcohol、PVA)、ポリビニリデンフルオリド(polyvinylidene fluoride、PVDF)、ポリビニルクロライド(polyvinyl chloride、PVC)、ポリエチレンオキサイド(polyethylene oxide、PEO)、ポリプロピレンオキサイド(propylene oxide、PPO)、又はポリスチレン(polystyrene、PS)である。
乾燥したナノファイバ−ナノ粒子複合体10を水熱合成法を用いてナノ粒子からナノワイヤ130を成長させる段階は、前記ナノファイバ−ナノ粒子複合体を酸化亜鉛前駆体とヘキサメチレンテトラミン(Hexamethylenetetramine、HMTA)を含むナノワイヤ合成水溶液に添加する段階を含む。前記酸化亜鉛前駆体は硝酸亜鉛六水和物(Zn(NO3)2+6H2O、zinc nitrate hexahydrate)である。
100 ナノファイバ−ナノワイヤ複合体
110 ナノファイバ
120 ナノ粒子
130 ナノワイヤ
Claims (10)
- ナノ粒子を準備する段階と、
双極性溶媒及び前記ナノ粒子を含む電界紡糸合成溶液に電界紡糸法によってナノファイバ−ナノ粒子複合体を生成する段階と、
乾燥したナノファイバ−ナノ粒子複合体を水熱合成法を用いてナノ粒子からナノワイヤを成長させる段階と、を含むナノファイバ−ナノワイヤ複合体の製造方法。 - 前記ナノ粒子は、金属酸化物ナノ粒子であり、
前記ナノファイバは、生分解性高分子で形成されることを特徴とする請求項1に記載のナノファイバ−ナノワイヤ複合体の製造方法。 - 前記金属酸化物ナノ粒子は、酸化亜鉛(ZnO)ナノ粒子であり、
前記ナノ粒子を準備する段階は、
酸化亜鉛前駆体(precursor)を前記双極性溶媒に溶解させて酸化亜鉛前駆体溶液を製造する段階と、
陽イオン界面活性剤としてヘキサデシルトリメチルアンモニウムブロミド(C16H33)N(CH3)3Br、hexadecyltrimethylammonium bromide)と前記酸化亜鉛前駆体溶液を摂氏40度〜摂氏60度で加熱する段階と、
水酸化ナトリウム(NaOH、sodium hydroxide)を前記双極性溶媒に溶解させて水酸化ナトリウム溶液を製造して摂氏40度〜摂氏60度に加熱する段階と、
前記水酸化ナトリウム溶液と前記陽イオン界面活性剤の混合された酸化亜鉛前駆体溶液を混合して摂氏40度〜摂氏60度で反応させてナノ粒子を析出する段階と、
前記析出したナノ粒子を洗浄剤で洗浄、乾燥して酸化亜鉛ナノ粒子を抽出する段階と、を含むことを特徴とする請求項2に記載のナノファイバ−ナノワイヤ複合体の製造方法。 - 前記ナノ粒子を含む電界紡糸合成溶液に電界紡糸法によってナノファイバ−ナノ粒子複合体を生成する段階は、
ナノファイバ合成用高分子を有機溶媒に溶解させて電界紡糸合成溶液を製造する段階と、
乾燥したナノ粒子を前記双極性溶媒で溶解させる段階と、
前記ナノ粒子を前記双極性溶媒で分散させる段階と、
前記電界紡糸合成溶液に前記ナノ粒子を含む溶液を注入して撹拌する段階と、
電界紡糸装置を用いて前記電界紡糸複合溶液からナノファイバ−ナノ粒子複合体を生成する段階と、を含み、
前記ナノファイバ合成用高分子は、ポリ−L−ラクチド(Poly(L−lactide)、PLLA)高分子であり、
前記有機溶媒は、クロロホルム(CHCl3、chloroform)であることを特徴とする請求項1に記載のナノファイバ−ナノワイヤ複合体の製造方法。 - 乾燥したナノファイバ−ナノ粒子複合体を水熱合成法を用いてナノ粒子からナノワイヤを成長させる段階は、
前記ナノファイバ−ナノ粒子複合体を酸化亜鉛前駆体とヘキサメチレンテトラミン(Hexamethylenetetramine、HMTA)を含むナノワイヤ合成水溶液に添加する段階を含むことを特徴とする請求項1に記載のナノファイバ−ナノワイヤ複合体の製造方法。 - 前記酸化亜鉛前駆体は、硝酸亜鉛六水和物(Zn(NO3)2+6H2O、zinc nitrate hexahydrate)であり、
前記ナノワイヤ合成水溶液は、塩化アンモニウム(NH4Cl2、Ammonium chloride)とポリエチレンイミン(H(NHCH2CH2)nNH2、polyethylenimine;PEI)とを含むことを特徴とする請求項5に記載のナノファイバ−ナノワイヤ複合体の製造方法。 - 前記双極性溶媒は、エタノール(Ethanol)、メタノール(Methanol)、DMF(dimethylformamide)、及びTHF(tetrahydrofuran)の中で少なくとも一つを含むことを特徴とする請求項1に記載のナノファイバ−ナノワイヤ複合体の製造方法。
- 前記生分解性ナノファイバは、ポリ−L−ラクチド(Poly(L−lactide)、PLLA)、ポリヒドロキシ酪酸(Polyhydroxybutyrate、PHB)、ポリウレタン(Polyurethane、PU)、ポリカーボネート(Polycarbonate、PC)の中で少なくとも一つを含むことを特徴とする請求項2に記載のナノファイバ−ナノワイヤ複合体の製造方法。
- 前記ナノファイバは、融点が90〜95度以上の高分子から合成されることを特徴とする請求項1に記載のナノファイバ−ナノワイヤ複合体の製造方法。
- 請求項1ないし請求項9の何れか一項によって製造されたナノファイバ−ナノワイヤ複合体。
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US20180347075A1 (en) | 2018-12-06 |
CN108138367B (zh) | 2021-01-05 |
CN108138367A (zh) | 2018-06-08 |
WO2018043842A1 (ko) | 2018-03-08 |
US10895023B2 (en) | 2021-01-19 |
EP3508622A1 (en) | 2019-07-10 |
KR101777975B1 (ko) | 2017-09-26 |
JP6600421B2 (ja) | 2019-10-30 |
EP3508622B1 (en) | 2021-10-13 |
EP3508622A4 (en) | 2020-04-01 |
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