Sol composition containing organomodified clay mineral having flaky particle structure, oil-base gel compositions and W/O emulsion compositions containing the same

Abstract

The present invention is to provide a sol composition, an oily gel composition, and a W / O type emulsion comprising an organically-modified clay mineral, having a platy particle structure with an average thickness of 0.1 [mu]m or less and an average major axis of 0.5 to 50 [mu]m in oil. It showed that the thicknening and gelling ability becomes significantly high, under the presence of a nonionic surfactant, by elaminating the aggregate of organically-modified clay mineral into platy particles in oil. In addition, because the stabilizing effect of a W / O emulsion is excellent, it is possible to provide a W / O emulsion with high emulsion stability at low viscosity by lowering the usage of the organically-modified clay mineral with a platy particle structure and the nonionic surfactant. Furthermore, it is possible to lower the viscosity of the composition, while maintaining the emulsion stability, by using an oil having COOH / OH groups. Thus, an emulsion with excellent stability at low viscosity and with an excellent feeling in use, such as spreadability and freshness, can be obtained.

Description

[0001] related application [0002] This application claims the priority of Japanese Patent Application Nos. 2006-216656 and 2006-216657 filed on August 9, 2006, and is incorporated herein by reference. technical field [0003] The present invention relates to a sol composition, an oily gel composition and a W / O emulsified composition containing organically modified clay minerals with a plate-like particle structure, and particularly relates to thickening and gelling of oil by organically modified clay minerals ability, or its stabilizing ability in a W / O emulsion, and the improvement of the feeling of use of the composition. Background technique [0004] Conventionally, W / O emulsion systems have been used in various products. In particular, silicone oil is an important oil component in the field of cosmetics because of its slippery properties, excellent volatility and water repellency, and of course it is desired to be incorporated into W / O cosmetics. However, it is diffi...

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Problems solved by technology

[0009] However, the above-mentioned gel composition containing an organically modified clay mineral treated with a polyether-modified silicon compound has a low gel-forming ability and cannot sufficiently function as an emulsifier when blended into a W / O emulsion. fulfil requirements

[0010] In addition, if the organically modified clay minerals used in the past are used to ensure the stability of the emulsion, there is a tendency that the viscoelasticity of the gel characteristic due to the use of the necessary amount of this component is high, so it is extremely difficult to obtain the viscosity Emulsion with low concentration and excellent stability

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