Si-Mg-Al SOL, COMPOSITE COATING LIQUID BY DOPING CORE SHELL FINE BALL

PROBLEM TO BE SOLVED: To provide an SiO2 coated film liquid having excellent deposition property, ideal porosity and excellent permeability.SOLUTION: There is provided a Si-Mg-Al sol obtained by a reaction of a raw material containing deionized water, an acid catalyst, a solvent, an aluminum salt, a...

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Hauptverfasser: TANG GAOSHAN, SHU SHIBUN, CHENG GANG, LIU MINGGANG, SONG HUI, WANG KE, JI PENGYUAN
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an SiO2 coated film liquid having excellent deposition property, ideal porosity and excellent permeability.SOLUTION: There is provided a Si-Mg-Al sol obtained by a reaction of a raw material containing deionized water, an acid catalyst, a solvent, an aluminum salt, a magnesium salt and alkoxysilane with the total mass of the magnesium salt and the aluminum salt of 0.05 to 0.2 g to alkoxysilane of 1 mL volume and with a mass ratio of the magnesium salt and the aluminum salt of 1:1.SELECTED DRAWING: None 【課題】優れた成膜性、理想的な孔隙率、優れた透過率を具備するSiO2塗膜液の提供。【解決手段】Si−Mg−Alゾルは、脱イオン水、酸性触媒、溶剤、アルミニウム塩、マグネシウム塩及びアルコキシシランを含有する原料の反応により得られるものであり、前記マグネシウム塩と前記マグネシウム塩との合計質量が1mL体積のアルコキシシランに対して0.05〜0.2gであり、前記マグネシウム塩と前記アルミニウム塩との質量比は1:1である水酸基含有Si−Mg−Alゾル【選択図】なし