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A pickering emulsification preparation method of a high-performance single-component invisible skin coating solution

A single-component, coating liquid technology, applied in the field of invisible skin coating liquid preparation, can solve problems such as lack of elasticity, and achieve the effects of increasing interaction, enhancing mechanical properties, and high transparency

Active Publication Date: 2021-06-22
FUDAN UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned Pickering emulsion has a certain film-forming property, it lacks the same elasticity as skin

Method used

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  • A pickering emulsification preparation method of a high-performance single-component invisible skin coating solution
  • A pickering emulsification preparation method of a high-performance single-component invisible skin coating solution
  • A pickering emulsification preparation method of a high-performance single-component invisible skin coating solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] ① Silane coupling agent on nano-SiO 2 particle surface modification

[0051] Add 5 g of fumed silica (A380) into 150 mL of absolute ethanol, and ultrasonically disperse for 30 min to obtain a dispersion of fumed silica; add 0.5 g of ethyltrimethoxysilane A171 and 0.5 g of methyltrimethoxy Add silane (MTMS) dropwise to 15mL of absolute ethanol, and keep stirring at room temperature for 15min to make it alcoholyze; Add it into a four-necked bottle, and at the same time add ammonia water dropwise to adjust the pH value to 8, and keep stirring the reactant at 80 °C for 8 h to obtain a modified solution; centrifuge the obtained modified solution, and use ethanol, Centrifuge washing with deionized water for 3-6 times at 8000 rpm for 10 min, and finally disperse the centrifuged product in deionized water to obtain modified A380 aqueous dispersion A1 with a solid content of 5 wt%.

[0052] Add 10 g of A380 into 200 mL of absolute ethanol, ultrasonically disperse for 60 min to...

Embodiment 2

[0069] Take 70 wt% vinyl silicone oil Pickering emulsion B1, 15 wt% hydrogen-containing silicone oil Pickering emulsion C2, and 15 wt% Karstedt catalyst capsule emulsion D11 in Example 1 and mix them uniformly under low-speed stirring to prepare a one-component invisible skin coating cloth liquid.

Embodiment 3

[0071] Take 75 wt% vinyl silicone oil Pickering emulsion B2, 10 wt% hydrogen-containing silicone oil Pickering emulsion C1, and 15 wt% Karstedt catalyst capsule emulsion D12 in Example 1 and mix them uniformly under low-speed stirring to prepare a one-component invisible skin coating cloth liquid.

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Abstract

The invention belongs to the technical field of fine chemicals, in particular to a Pickering emulsification preparation method of a high-performance single-component invisible skin coating liquid. The steps of the inventive method are: adopt silane coupling agent to nano-SiO 2 Particles are modified to regulate their surface lipophilicity and hydrophilicity; modified nano-SiO 2 Particles as emulsifier, high-speed emulsification to prepare vinyl silicone oil Pickering emulsion and hydrogen-containing silicone oil Pickering emulsion; preparation of Karstedt catalyst capsule emulsion; compound and mix vinyl silicone oil Pickering emulsion, hydrogen-containing silicone oil Pickering emulsion and Karstedt catalyst capsule emulsion in proportion, Prepared as a one-component invisible skin coating solution. The coating solution prepared by the invention is coated on the skin surface, and can form a highly transparent elastic coating film by itself, has strong adhesion and is non-irritating. Compared with the coating solution prepared based on traditional surfactants, the mechanical properties of the coating film are better. The coating solution is applied on the surface of human skin, and can perform functions such as wrinkle removal, moisturizing, and isolation.

Description

technical field [0001] The invention belongs to the technical field of fine chemicals, and in particular relates to a preparation method of an invisible skin coating liquid. Background technique [0002] Pickering emulsion is a new type of emulsion that uses solid particles instead of traditional organic surfactants to stabilize the system, and its corresponding solid particles are called Pickering emulsifiers. Compared with traditional surfactant-stabilized emulsions, Pickering emulsions have many advantages, such as simple preparation process, reduced emulsifier dosage, cost savings, safety and non-toxicity, environmental friendliness, renewability, etc., and less foaming in the actual application process , the stability of the emulsion is stronger; in addition, because of the unique properties of the interface particle film, the perfect combination of organic and inorganic characteristics endows the Pickering emulsion with excellent performance. It is used in cosmetics, f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/07C09D183/05C09D7/62C09D7/40A61K8/895A61K8/891A61K8/06A61K9/107A61K47/04A61Q1/00A61Q17/00A61Q19/00A61Q19/08
CPCA61K8/062A61K8/891A61K8/895A61K9/107A61K47/02A61K2800/413A61K2800/614A61Q1/00A61Q17/00A61Q19/00A61Q19/08C08K2201/003C08K2201/011C08L2201/10C08L2203/02C08L2205/025C08L2312/00C09D183/04C09D7/62C09D7/70C08L83/04C08K9/06C08K7/26C08K3/36
Inventor 周树学李萍王棽来旭春陈磊吴梁李青峰
Owner FUDAN UNIV
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