Phenyl-containing organopolysiloxane composition, raw cosmetic material, and glossy cosmetic material

A technology of polysiloxane and composition, which is applied in the field of producing the above-mentioned composition, cosmetic materials, and adjusting the viscosity of the composition, which can solve the problems of insufficient storage stability, etc., and achieve the effects of excellent mixing stability and good handling performance

Inactive Publication Date: 2014-06-18
DOW CORNING TORAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Storage stability is still insufficient

Method used

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  • Phenyl-containing organopolysiloxane composition, raw cosmetic material, and glossy cosmetic material
  • Phenyl-containing organopolysiloxane composition, raw cosmetic material, and glossy cosmetic material
  • Phenyl-containing organopolysiloxane composition, raw cosmetic material, and glossy cosmetic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 3

[0202] [Formulation example 3 (evaluated as blush)]

[0203] A transparent lipstick was prepared from the organopolysiloxane composition prepared in Formulation Example 1 described below using the following evaluation criteria.

[0204] ○: Obtain the entire product in the form of a uniform paste with glitter; this condition remains stable for more than 1 month;

[0205] ×: In one month, the oil phase separated; unevenness was observed in both the oil layer and the paste layer of the entire product.

[0206] [Silicone]

[0207] With the following structure, phenyl content and number average molecular weight (M n ) Silicone resins (A-1), (A-2), (CA-1 to CA-3) (sample numbers 1-9) to prepare the organopolysiloxane shown in Table 1.

[0208] -Silicone (A-1): basically made of T Ph Phenylsilsesquioxane (M n : 1500; phenyl content: 60% by mass; hydroxyl content: 6% by mass; flakes at room temperature);

[0209] -Silicone resin (A-2): composed of propylsiloxane unit (C 3 H 7 SiO 3 / 2 , Below "T ...

Embodiment 1-4； comparative Embodiment 1-5

[0220] The evaluation results of the viscosity, refractive index, and appearance of the prepared organopolysiloxane composition (Example No. 1-9) are shown in Table 1.

[0221] The silicone resin component and the silicone oil component used in the preparation of the composition of samples 1-9 were mechanically stirred and mixed at 120°C until a uniform state was reached. If the uniform state is not reached after 30 minutes of continuous stirring and mixing, stop stirring and take a sample at this point.

Embodiment 1*， Embodiment 2

[0222] [Practical Example 1 * , Actual Example 2 * ]

[0223] With the same structure of sample 1 and sample 2, as shown in Table 1, the silicone resin component was dissolved in an equal amount of toluene, and after a uniform toluene solution was formed, the silicone resin liquid component was added to the corresponding solution And mix it evenly. After that, under reduced pressure, toluene was removed by steam stripping, and thus, sample 1 was obtained * And sample 2 * .

[0224] In the above method, there is no need to heat the sample to 120°C, and the obtained sample 1 * And sample 2 * They have the same appearance, viscosity and refractive index as Samples 1 and 2 obtained in Application Example 1 and Application Example 2 above.

[0225] Table 1: Organopolysiloxane compositions 1-9 and their evaluation results

[0226]

[0227] As can be seen from Table 1, the composition prepared from phenylsilsesquioxane having a molecular weight of 1500 and trimethylpentaphenyltrisiloxane (a...

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Abstract

To provide a phenyl-containing organopolysiloxane composition that has a high index of refraction of the entire composition and compounding stability in cosmetic formulation, excellent handling performance, and possibility of adjusting viscosity. Another objective is to provide a cosmetic raw material comprising the composition, and a cosmetic material. The invention is a phenyl-containing organopolysiloxane composition that has an index of refraction of the entire composition that is equal to or greater than 1.50 and that has a viscosity of the entire composition at 25° C. in the range of 200 to 500,000 mPa·s.

Description

Technical field [0001] The present invention relates to an organopolysiloxane composition containing a phenyl group, which is characterized by a high refractive index, and when it is mixed with a cosmetic material, it gives the material excellent glitter, gloss and gloss; and it is characterized by The maintenance of the initial high refractive index and the adjustable viscosity, as a cosmetic raw material, has good handling performance and mixing stability. The present invention also relates to a cosmetic raw material comprising the above-mentioned phenyl group-containing organopolysiloxane composition, and relates to a cosmetic material that obtains excellent gloss and pleasant touch when mixed with the composition. Moreover, the present invention relates to a simple method of producing the above-mentioned composition and a method of adjusting the viscosity of the composition. Background technique [0002] As components of cosmetic materials, silicone resins containing phenyl ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/04
CPCA61K8/891A61K8/585A61Q1/10C08G77/80C08L83/04A61Q1/02A61Q1/06C08L83/00C08G77/04A61K8/89
Inventor 章司广明金田康宏神崎安卫近藤秀年
Owner DOW CORNING TORAY CO LTD
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