PROBLEM TO BE SOLVED: To provide a W/O (Water-in-Oil) emulsion which has controllable viscosity, which is excellent in flowability and in moisture holding capacity of emulsion even a high water content, and which is excellent in a low foaming property in emulsion forming.SOLUTION: The water-in-oil type emulsified composition contains: (I) 0.1-20 wt.% of a polyalkylene glycol derivative represented by general formula (1) (II) 0.9-30 wt.% of ethylene oxide addition type nonionic surfactant (III) an oil and (IV) water, wherein the sum of contents of the component (III) and the component (IV) is 50-99 wt.%, and the content ratio of the component (III) and the component (IV) [(III)/(IV)] is (1/4)-(9/1) (in formula, EO represents an oxyethylene group AO represents a 3-4C oxyalkylene group a+b is 0-20 m is 10-80 and R1 represents a hydrogen atom or a 1-4C alkyl or acyl group).COPYRIGHT: (C)2012,JPO&INPIT【課題】エマルションの粘度制御が可能であり、高含水量でもエマルションの流動性および水分保持能力に優れ、エマルション形成時の低泡性に優れるW/Oエマルションの提供。【解決手段】(I)下記一般式(1)により表されるポリアルキレングリコール誘導体0.1~20重量%;(II)エチレンオキシド付加型非イオン性界面活性剤0.9~30重量%;(III)油剤;及び、(IV)水;を含有する油中水型乳化組成物であって、(III)成分と(IV)成分との含有量の和が50~99重量%であり、(III)成分と(IV)成分との含有量の比[(III)/(IV)]が1/4~9/1である、油中水型乳化組成物。(式中、EOはオキシエチレン基を示し;AOは炭素数3~4のオキシアルキレン基を示し;a+bは0~20、mは10~80であり;R1は水素原子あるいは炭素数1~4のアルキル基またはアシル基を示す。)【選択図】なし
