Wacker Chemie Ag

Kenji Igarashi

Mikiko Kimura

Yoko Hori

Shinichi Araki

A liquid crystal emulsification method that can reduce formulation restriction and adjust the size of a dispersed phase with small variation in size of the dispersed phase, and a liquid crystal emulsion are provided. The liquid crystal emulsification method includes: adding a moisture content and/or an oil content at a predetermined ratio to a surfactant having an HLB falling within a predetermined range; and setting a temperature during formation of a dispersion or an emulsion to a predetermined temperature, to adjust a lamellar liquid crystal having a regular molecular arrangement in which the oil content and/or the moisture content are alternately arranged in a bilayer membrane formed from the surfactant.

Liquid crystal emulsification method and liquid crystal emulsion

An oil-in-water type emulsion is characterized in that a fumed silica particle group in which lower order aggregates are aggregated with each other to form a higher order aggregate by a non-chemical bond forms a network-like surrounding structure including an oil inside the network-like surrounding structure.

Oil-in-water type emulsion and method for producing oil-in-water type emulsion

The use of an N-acylaminoacid condensate as a surfactant in the preparation of silicone rubber particle emulsions allows the emulsions to be prepared with exceptionally low levels of surfactants. The resulting rubber particles display typical silicone rubber characteristics in contrast to rubber particles prepared using larger amounts of conventional surfactants.

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Chikusei, Japan

Kenji Igarashi