METHOD OF USING BIOPOLYMER TO SYNTHESIZE TITANIUM-CONTAINING SILICA MATERIAL, AND APPLICATIONS THEREOF

To provide a method of using biopolymer to synthesize a titanium-containing silica material, and to provide applications thereof.SOLUTION: A method includes the steps of: mixing a titanium source, a silicon source, an acid source, an alkali source, a biopolymer and a solvent to prepare an aqueous so...

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Bibliographische Detailangaben
Hauptverfasser: TSAI HSIIN, ZHANG YING-SHI, HUANG PIN-XUAN, HSU YUUAN, JIANG JIAN-ZHANG, RIN KOHEI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a method of using biopolymer to synthesize a titanium-containing silica material, and to provide applications thereof.SOLUTION: A method includes the steps of: mixing a titanium source, a silicon source, an acid source, an alkali source, a biopolymer and a solvent to prepare an aqueous solution; aging the prepared aqueous solution without any change; thereafter subjecting the aged aqueous solution to solid-liquid separation to obtain a solid product; drying the solid product; and performing calcination or extraction of the dried solid product to obtain a titanium-containing silica material with a high specific surface area. The present invention adopts a biopolymer as the templating agent, which makes the fabrication process of titanium-containing silica material more environment-friendly. After the calcination or extraction, the product still has superior catalytic activity, whereby the product can be used as a catalyst for epoxidation reaction of olefin compounds.SELECTED DRAWING: Figure 1 【課題】バイオポリマーを利用してチタン含有シリカ材料を合成する方法及びその使用の提供。【解決手段】チタン源、シリコン源、酸源、アルカリ源、バイオポリマー及び溶剤を混合して調製した水溶液をそのまま熟成処理した後、固液分離して得られた固体を乾燥させ、か焼工程又は抽出工程を経て、高比表面積を有するチタン含有シリカ材料を得る。テンプレート剤としてバイオポリマーを使用することで、チタン含有シリカ材料の製造プロセスが環境保護の要求に対応できる。なお、生成物は、か焼工程又は抽出工程を経ても優れた触媒活性を有するため、オレフィン類化合物のエポキシ化反応の触媒として利用できる。【選択図】図1