JP7463293B2 - ポリマー溶液中の金属有機構造体のコロイド懸濁液を作製する方法およびその使用 - Google Patents
ポリマー溶液中の金属有機構造体のコロイド懸濁液を作製する方法およびその使用 Download PDFInfo
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- JP7463293B2 JP7463293B2 JP2020562173A JP2020562173A JP7463293B2 JP 7463293 B2 JP7463293 B2 JP 7463293B2 JP 2020562173 A JP2020562173 A JP 2020562173A JP 2020562173 A JP2020562173 A JP 2020562173A JP 7463293 B2 JP7463293 B2 JP 7463293B2
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Description
本発明は、米国エネルギー省によって授与されたDE-FE0026432の下で政府の支援を受けて行われた。米国政府は、本発明において一定の権利を有する。
この出願は、2018年5月18日に出願された“METHOD OF MAKING COLLOIDAL SUSPENSIONS OF METAL ORGANIC FRAMEWORKS IN POLYMERIC SOLUTIONS AND USES THEREOF,”と題する米国仮特許出願第62/673,389号に関して優先権を主張し、その出願全体を参照により本明細書に援用する。
本開示は、ポリマー溶液中のナノ結晶金属有機構造体のコロイド懸濁液、およびそれを作製および使用する方法を記載している。ナノ結晶金属有機構造体は、一般に、固体結晶化の方法を使用して形成され、金属有機構造体(MOF)は、溶媒の非存在下でメソポーラスポリマー材料(MPM)の細孔空間内に形成される。
Claims (15)
- 金属有機構造体懸濁液を作製するための方法であって、
ミクロ細孔を備えるナノ結晶金属有機構造体と、メソ細孔を備えるメソポーラスポリマー材料とを備える、ハイブリッド材料を提供するステップと、ここで、前記ナノ結晶金属有機構造体は均一に分散しており、前記メソポーラスポリマー材料の前記メソ細孔または空隙内にのみ存在し、前記ハイブリッド材料は、前記ハイブリッド材料の総重量に対して5~50%の範囲の重量パーセントの前記金属有機構造体を有し、
前記ハイブリッド材料を前記メソポーラスポリマー材料が溶解する溶媒と接触させることにより、前記ナノ結晶金属有機構造体が均一に分散および懸濁したポリマー溶液を形成するステップと、
を含む、方法。 - 第2のポリマー材料の溶液を提供するステップと、
前記金属有機構造体懸濁液を前記第2のポリマー材料の溶液と組み合わせて、第2の金属有機構造体懸濁液を形成するステップと、
を備える、請求項1に記載の方法。 - 前記金属有機構造体は、Mg、V、Cr、Mo、Zr、Hf、Mn、Fe、Co、Cu、Ni、Zn、Ru、Al、およびGaからなる群から選択される少なくとも1つの金属を備える、請求項1~2のいずれか一項に記載の方法。
- 前記金属有機構造体は、MIL-101、MIL-100、MIL-53、MOF-74、UiO-66、UiO-67、ZIF-8、ZIF、HKUST-1、M2(dobpdc)、NU-1000、PCN-222、PCN-224、およびそれらの誘導体からなる群から選択される少なくとも1つである、請求項1~2のいずれか一項に記載の方法。
- 前記ミクロ細孔は、0.5~5.0nmの範囲の平均直径を有する、請求項1~2のいずれか一項に記載の方法。
- 前記ハイブリッド材料は、2~50nmの範囲の平均直径を有するメソ細孔および0.5~5.0nmの範囲の平均直径を有するミクロ細孔を備える、請求項1~2のいずれか一項に記載の方法。
- 前記メソ細孔、前記ミクロ細孔、またはその両方は、単分散であり、変動係数が10%未満である、請求項1~2のいずれか一項に記載の方法。
- 前記ナノ結晶金属有機構造体は、200nm未満の平均最長直線寸法を有する、請求項1~2のいずれか一項に記載の方法。
- 前記ハイブリッド材料は、10~1200m2/gの範囲の表面積を有する、請求項1~2のいずれか一項に記載の方法。
- 前記ハイブリッド材料は、100~500μmの平均最長直線寸法を有する、請求項1~2のいずれか一項に記載の方法。
- 前記メソポーラスポリマー材料は、Tenax(登録商標)、メソポーラスポリアクリルアミド、またはメソポーラスポリアクリロニトリルを備える、請求項1~2のいずれか一項に記載の方法。
- 前記溶媒は、有機溶媒を備える、請求項1~2のいずれか一項に記載の方法。
- 前記有機溶媒は、アセトン、メタノール、エタノール、イソプロパノール、プロパノール、ブタノール、アセトニトリル、THF、DMF、CHCl3、CH2Cl2、トルエン、またはジオキサンを備える、請求項12に記載の方法。
- 前記ハイブリッド材料を前記溶媒と接触させる前に、精製することをさらに備える、請求項1~2のいずれか一項に記載の方法。
- 精製は、
前記ハイブリッド材料を溶媒に溶解するステップと、
得られた溶液を濾過するステップと、
前記濾過された溶液から精製されたハイブリッド材料を沈殿させるステップと、
を含む、請求項14に記載の方法。
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