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Modified powder and preparation method thereof, and cosmetic containing modified powder

A technology of modified powder and cosmetics, which is applied in the field of modified powder and its preparation, and the field of modified powder cosmetics, which can solve the problems of cosmetic formula design restrictions, decreased compatibility between powder and oil, and high oil absorption value. , to achieve the effect of excellent long-lasting makeup, excellent compatibility and moderate oil absorption value

Pending Publication Date: 2022-02-15
SHANGHAI CO FUN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of powder appears dry, and when used in make-up cosmetics, the moisturizing degree is not enough
[0003] For this reason, in recent years, powders that have been surface-treated with fluorine-containing silanes have been continuously introduced in the market, and are used in make-up cosmetics. Decreased compatibility with oils and high oil absorption value restricts formulation design of color cosmetics

Method used

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  • Modified powder and preparation method thereof, and cosmetic containing modified powder
  • Modified powder and preparation method thereof, and cosmetic containing modified powder
  • Modified powder and preparation method thereof, and cosmetic containing modified powder

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Experimental program
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preparation example Construction

[0042] The present invention also provides a method for preparing the modified powder, comprising:

[0043] S1, provide basic powder;

[0044] S2, under the condition of stirring, mix perfluoropolyether and fluorosilane with the basic powder to obtain a mixture, wherein the mass of the perfluoropolyether and the fluorosilane are both the mass of the basic powder 0.5%-10% of mass;

[0045] S3, drying the mixture at 90°C-130°C to obtain a modified powder.

[0046] In step S2, in the step of mixing perfluoropolyether and fluorosilane with the base powder: the perfluoropolyether and the fluorosilane can be mixed with the base powder at the same time; Mix the perfluoropolyether with the base powder to obtain an intermediate product, then mix the fluorosilane with the intermediate product to obtain the mixture; or first mix the fluorosilane with the base powder An intermediate product is obtained, and the perfluoropolyether is mixed with the intermediate product to obtain the mix...

Embodiment 1

[0053] Use a high-speed mixer to stir 10kg of talcum powder. Under the condition of high-speed stirring, use an oil spray tank to spray 200g of polyperfluoromethyl isopropyl ether into the high-speed mixer, and mix it with talcum powder to obtain an intermediate product. Fluoroctyltriethoxysilane was sprayed into a high-speed mixer, mixed evenly with the intermediate product to obtain a mixture, and finally the mixture was dried at 105°C for 2 hours and cooled naturally to obtain modified talc powder.

Embodiment 2

[0055] Use a high-speed mixer to stir 10kg of mica. Under the condition of high-speed stirring, use an oil spray tank to spray 200g of polyperfluoromethyl isopropyl ether into the high-speed mixer, and mix it with mica evenly to obtain an intermediate product. Then add 200g of perfluorooctyl The base triethoxysilane was sprayed into a high-speed mixer, mixed evenly with the intermediate product to obtain a mixture, and finally the mixture was dried at 105°C for 2 hours, and cooled naturally to obtain modified mica.

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Abstract

The invention relates to modified powder, which comprises basic powder and a surface modifier attached to the basic powder, the surface modifier comprises perfluoropolyether and fluorosilane, and the mass of the perfluoropolyether and the mass of the fluorosilane both account for 0.5%-10% of the mass of the basic powder. The invention also relates to a preparation method of the modified powder and a cosmetic containing the modified powder. According to the invention, the perfluoropolyether and the fluorosilane are adopted to jointly modify the basic powder, so that the modified powder has a moderate oil absorption value on the basis of keeping the hydrophobic and oleophobic characteristics. Therefore, when the modified powder disclosed by the invention is used in cosmetics, the cosmetics are good in skin fitting property, good in skin feeling, stable in quality and excellent in safety to organisms and environment. Particularly, when the modified powder disclosed by the invention is applied to the makeup cosmetics, the makeup cosmetics also have excellent makeup holding performance due to the moderate oil absorption value. In addition, the process of carrying out surface modification treatment on the basic powder is simple, and the safety is high.

Description

technical field [0001] The invention relates to the technical field of cosmetics, in particular to a modified powder, a preparation method thereof, and a cosmetic comprising the modified powder. Background technique [0002] The surface-treated powder with siloxane, because the surface of the powder is bonded with siloxane molecules through chemical bonds, makes the powder have excellent water resistance, ductility, fluidity, dispersibility and adsorption, and the delicate feeling is also very good. Therefore, when choosing powder for make-up cosmetics, considering the compatibility between the components in the system, usually choose the powder that has been surface-treated with siloxane. However, this type of powder appears dry, and when used in make-up cosmetics, the moisturizing degree is not enough. [0003] For this reason, in recent years, powders that have been surface-treated with fluorine-containing silanes have been continuously introduced in the market, and are...

Claims

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Application Information

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IPC IPC(8): A61K8/86A61K8/69A61K8/29A61K8/19A61K8/26A61K8/25A61K8/23A61K8/24A61Q1/12
CPCA61K8/86A61K8/69A61K8/29A61K8/19A61K8/26A61K8/25A61K8/23A61K8/24A61Q1/12A61K2800/612A61K2800/614
Inventor 吴建军刘晗谢旭秦海峰
Owner SHANGHAI CO FUN BIOTECH
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