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    • 82. 发明公开
    • METHOD FOR PRODUCING O/W CREAM HAVING HIGH VISCOSITY
    • VERFAHREN ZUR HERSTELLUNG EINERHOCHVISKÖSENÖL-IN-WASSER-CREME
    • EP2474297A1
    • 2012-07-11
    • EP10813760.5
    • 2010-09-02
    • Shiseido Company, Ltd.
    • ARAKI HidefumiMIYAHARA Reiji
    • A61K8/06A61K8/34A61K8/37A61K8/891A61Q1/12A61Q5/00A61Q19/00A61Q19/10
    • A61K8/342A61K8/062A61K8/86A61Q19/00B01J13/0065
    • Disclosed is a convenient and economically advantageous method for producing an O/W cream having a high viscosity whereby an O/W cream having a high viscosity can be produced without adding a large amount of a thickener. This method for producing an O/W cream having a high viscosity is characterized by comprising: preparing an O/W emulsion (emulsified part) by emulsifying, at a temperature of 70°C or higher, an oily phase comprising a nonionic surfactant (A), a linear higher alcohol (B) that has 16 or more carbon atoms and can form, together with said nonionic surfactant, an α-gel in water, and an oily component (C), with an aqueous phase comprising water (D); cooling this emulsified part under stirring; and stopping the stirring at a temperature that is equal to or higher than the peak temperature in the temperature range, wherein the oily phase can form an α-gel in the aqueous phase, and lower than 70°C. The aforesaid peak temperature menus the exothermic peak temperature of the emulsified part in DSC. It is preferred that the viscosity of the O/W cream having a high viscosity is equal to or higher than 8,000 mPa·s (measured with a B-typc viscometer at 30°C).
    • 公开了一种用于生产具有高粘度的O / W奶油的方便且经济上有利的方法,由此可以在不加入大量增稠剂的情况下生产具有高粘度的O / W奶油。 这种生产具有高粘度的O / W奶油的方法的特征在于包括:通过在70℃或更高的温度下乳化含有非离子表面活性剂(A)的油相来制备O / W乳液(乳化部分) ),具有16个或更多个碳原子并且可与所述非离子表面活性剂一起形成水中的± - 凝胶和油性组分(C)的含有水(D)的水相的线性高级醇(B) ; 在搅拌下冷却该乳化部分; 并且在温度范围内等于或高于峰值温度的温度停止搅拌,其中油相可以在水相中形成±凝胶,低于70℃。 上述峰值温度选择DSC中乳化部分的放热峰值温度。 高粘度的O / W乳膏的粘度优选等于或高于8,000mPa·s(用B型粘度计在30℃下测定)。