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Cosmetic fixative prepared based on rice extraction water and preparation method of cosmetic fixative

A fixative and rice technology, applied in the field of fine chemicals, can solve the problems of deterioration of chitosan metal complexation, complex composition of chitosan essence, limited solubility of chitosan, etc., and achieve excellent mechanical strength and extension. rate, good setting effect, good viscosity effect

Inactive Publication Date: 2021-04-02
陈俊祺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In 2016, Chemical Management Magazine "Synthesis of Chitosan Derivatives and Analysis of Cosmetic Application" [2016,20,335] and Zhang Yanfei's paper "Preparation of Amphiphilic Chitosan and Application in Cosmetics" in 2013 analyzed and summarized Advantages and disadvantages of chitosan as a raw material for cosmetics: Chitosan has limited solubility and cannot be directly dissolved in water. It can only be dissolved in weak acids such as dilute acetic acid, which will cause the residual dilute acetic acid in the solution to stimulate human skin. Carboxymethylation and hydroxyethylation of chitosan can improve its solubility, but the metal complexing performance of chitosan is likely to deteriorate during the modification process, resulting in an increase in the preparation cost
Yet the composition of the disclosed chitosan essence of this technical scheme is more complicated, and preparation cost is also higher

Method used

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  • Cosmetic fixative prepared based on rice extraction water and preparation method of cosmetic fixative
  • Cosmetic fixative prepared based on rice extraction water and preparation method of cosmetic fixative

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Soak 10g of rice in 90g of water, soak at 25°C for 30min, and sonicate in a 200W ultrasonic cleaner for 30min, then filter and separate to obtain rice extract water. Disperse 0.2 g of chitosan with a molecular weight of 8 kDa and a degree of deacetylation of 60% in 50 g of rice extraction water, and stir for 5 h at 40° C. to dissolve to obtain chitosan fixative 1#.

Embodiment 2

[0043] Soak 150g of rice in 100g of water, soak at 40°C for 1 hour, and ultrasonicate for 20 minutes in a 1500W ultrasonic cleaning machine, then filter and separate to obtain rice extraction water. Disperse 2 g of chitosan with a molecular weight of 8 kDa and a degree of deacetylation of 60% in 50 g of rice extraction water, and stir for 1 h at 30° C. to dissolve to obtain chitosan fixative 2#.

Embodiment 3

[0045] Soak 150g of rice in 100g of water, soak at 40°C for 1 hour, and ultrasonicate for 20 minutes in a 1500W ultrasonic cleaning machine, then filter and separate to obtain rice extraction water. Disperse 2 g of chitosan with a molecular weight of 18 kDa and a degree of deacetylation of 55% in 50 g of rice extraction water, and stir for 1 h at 30° C. to dissolve to obtain chitosan fixative 3#.

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Abstract

The invention discloses a cosmetic fixative prepared based on rice extraction water and a preparation method of the cosmetic fixative. The rice extraction water-based chitosan fixative comprises the rice extraction water and chitosan with the mass concentration of 0.1%-5%; and the molecular weight of the chitosan is 5-20 kDa, and the deacetylation degree of the chitosan is 50%-75%. According to the cosmetic fixative, by taking the rice extraction water obtained under specific conditions as a solvent, a certain concentration of chitosan with a specific structural range is dissolved, and thus, the obtained chitosan fixative has relatively high viscosity, antibacterial performance, film forming performance, heavy metal ion adsorption performance and degradability; compared with a chitosan dilute acetic acid solution with the same concentration, the chitosan fixative disclosed by the invention has higher viscosity and shows a better setting effect; a formed film has more excellent mechanical strength and elongation; and when being used as the cosmetic fixative, the chitosan fixative can better fix substances such as essential oil, protein and functional additives, and cannot irritate the skin.

Description

technical field [0001] The invention relates to the technical field of fine chemicals, in particular to a chitosan fixative based on rice extraction water and a preparation method and application thereof. Background technique [0002] Because rice washing water can dissolve nutrients such as starch, protein, and vitamins, it can decompose oil stains on the face, lighten pigments, and prevent fat particles from appearing. It can be used as a self-made cosmetic with excellent folk performance. In 2016, "Credible Beauty Rumors" [2016, (9), 34] in the Journal of Zhongnan Pharmacy (Medication and Health) and "The Wonderful Use of Rice Washing Water" in the Journal of Food and Health in 2011 [2011, (8), 19 ], the two articles have confirmed that washing the face with rice water can make the skin fairer. However, there are no further applications and literature reports on the use of rice-washing water for cosmetics. This is because: rice-washing water is easy to lose after being a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9794A61K8/73A61Q17/00A61Q19/00
CPCA61K8/9794A61K8/736A61Q19/00A61Q17/005A61K2800/82A61K2800/72
Inventor 陈俊祺
Owner 陈俊祺
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