Emulsion, method for producing the same, and cosmetic raw material formed from the same
An emulsion and hydrogen atom technology, applied in the field of new emulsification to obtain the aforementioned emulsion, can solve problems such as difficult operation and poor storage stability of the emulsion
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Embodiment 1
[0203] 1.45 parts of 2-hydrogen-1,1,1,2,3,3,3-heptamethyltrisiloxane and 10.2 parts of allyloxyethoxy-capped formazan obtained in Reference Example 1 Polyglycerin based polyglycerol (12 moles) was added to 50 parts of OH-terminated polydimethylsiloxane (viscosity = about 100 mPa·s), which was then mixed until a homogeneous mixture was obtained. After the mixture was heated to 70°C, 0.04 parts of a platinum catalyst solution was added thereto to react at 70°C for 15 minutes. A mixture of OH-terminated polydimethylsiloxane and polyglycerol-modified siloxane is thus obtained. After the mixture was cooled, 15 parts of water was added thereto, and emulsification was performed at about 2,500 rpm for 15 minutes by a T.K homodisperser (manufactured by Tokushu Kika Kogyo Co., Ltd.). Subsequently, 23.31 parts of water were added thereto and diluted. An emulsion is thus obtained. The obtained emulsion had a particle size of 278 nm. The emulsion is stable for 6 months.
Embodiment 2
[0205] Allyloxygen obtained in 1.5 parts of 2-hydrogen-1,1,1,2,3,3,3-heptamethyltrisiloxane and 10.2 parts of reference example 1-polyglycerin (4 moles) Ethoxy-terminated methylpolyglycerol (8 moles) was added to 50 parts of OH-terminated polydimethylsiloxane (viscosity = about 100 mPa·s), which was then mixed until a homogeneous mixture was obtained. After the mixture was heated to 70°C, 0.04 parts of a platinum catalyst solution was added thereto to react at 70°C for 15 minutes. A mixture of OH-terminated polydimethylsiloxane and methylpolyglycerol-modified siloxane is thus obtained. After the mixture was cooled, 20 parts of water was added thereto, and emulsification was performed at about 2,500 rpm for 15 minutes by a T.K homodisperser (manufactured by Tokushu Kika Kogyo Co., Ltd.). Subsequently, 18.26 parts of water were added thereto and diluted. An emulsion is thus obtained. The obtained emulsion had a particle size of 584 nm. The emulsion is stable for 3 months.
Embodiment 3
[0207] Stir 1.04 parts of 2-hydrogen-1,1,1,2,3,3,3-heptamethyltrisiloxane and 14.0 parts of the allyloxyethoxy-capped formazan obtained in Reference Example 1 base polyglycerol (25 moles). After adding 0.04 parts of the platinum catalyst thereto, the mixture was heated to 70° C. and kept for 15 minutes. A methylpolyglycerol-modified siloxane is thus obtained. This siloxane was used as emulsifier A. 5 parts of emulsifier A are added to 75 parts of water, which is then mixed until a homogeneous mixture is obtained. 20 parts of OH-terminated polydimethylsiloxane (100 mPa·s) was added thereto, and the mixture was stirred. The mixture was passed through a nanomizer twice at 500 kg / cm2. An emulsion is thus obtained. In the obtained emulsion, no oil separation or water separation was observed and the particle size was 184 nm. The emulsion obtained is stable for one month.
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