PROBLEM TO BE SOLVED: To provide a functional material releasing agent capable of sustained-releasing a certain functional material to provide a manufacturing method therefor and to provide a composition thereof.SOLUTION: The functional material releasing agent includes 35-95 mass% of silicic acid ester compound represented by Formula (1) and 0-40 mass% of silicic acid ester compound represented by Formula (2), (wherein R1 is an aliphatic hydrocarbon group having 4-22 carbon atoms in total which aliphatic hydrocarbon group may have a phenyl, hydroxyl or alkoxy group as a substituent R2 is a residue prepared by removing one hydroxyl group from a functional alcohol and R3 is a hydrogen atom or an alkyl group having 1-6 carbon atoms).COPYRIGHT: (C)2009,JPO&INPIT【課題】一定した機能性物質を徐放できる機能性物質放出剤、その製造法、その組成物の提供。【解決手段】ケイ酸エステル化合物を含む機能性物質放出剤。(式中、R1は置換基としてフェニル基、水酸基又はアルコキシ基を有していても良い総炭素数4~22の脂肪族炭化水素基、R2は機能性アルコールから水酸基1個を除いた残基、R3は水素原子又は炭素数1~6のアルキル基である。)【選択図】なし
