PROBLEM TO BE SOLVED: To provide a method for producing a functional titania-clay composite with both an excellent substance adsorptive function and a visible light response type photocatalyst function at low temperature of the heat resistant temperature of clay or below.SOLUTION: This method for producing a functional titania-clay composite by imparting a visible light response type photocatalyst function to a clay compound that has an excellent substance adsorptive function includes adding the clay compound in a titania precursor sol solution, prepared with an ethylene glycol monomethyl ether as a solvent, after ultraviolet rays are irradiated thereto, and subjecting the mixture to heating and pressurizing processing as it is using a liquid as a heating medium within a temperature region including the heat resistant temperature of the clay and below.COPYRIGHT: (C)2013,JPO&INPIT【課題】 優れた物質吸着機能と可視光応答型光触媒機能を併せ持つ機能性チタニア-粘土複合体を、粘土の耐熱温度以下の低温で製造する方法を提供する。【解決手段】 優れた物質吸着機能を有する粘土化合物に可視光応答型光触媒機能を付与した機能性チタニア-粘土複合体を作製する方法であって、エチレングリコールモノメチルエーテルを溶媒として調製したチタニア前駆体ゾル溶液に紫外線を照射後、粘土化合物を添加し、そのまま粘土の耐熱温度以下の温度域で液体を熱媒体として加熱・加圧処理することを特徴とする。【選択図】図20
