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A body surface coating containing photochromic sunscreen particles

A technology of photochromic and photochromic materials, which can be used in skin care preparations, cosmetics, cosmetics and other directions, and can solve problems such as inability to comprehensively block ultraviolet damage

Active Publication Date: 2016-04-06
TIANJIN UVOS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current sunscreen cosmetics still absorb very little UVA, and cannot fully block the damage of ultraviolet rays to the human body.

Method used

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  • A body surface coating containing photochromic sunscreen particles
  • A body surface coating containing photochromic sunscreen particles
  • A body surface coating containing photochromic sunscreen particles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] A photochromic sunscreen particle, comprising a photochromic material and an embedding agent, the specific preparation method of the photochromic sunscreen particle is: dissolving 2g of the photochromic material in 5.2g of tetraethoxysilane, The mixed solution was obtained under the action of emulsification and dispersion, and the above mixed solution was emulsified with 24g of an aqueous solution containing 1% cetyltrimethoxyammonium chloride, and the obtained emulsion was poured into a solution containing 35g of hydrogen hydroxide that had adjusted the pH to 11.3. In a sodium aqueous solution reactor, stir and react at room temperature for 24 hours, centrifuge the product, wash the product with deionized water, and spray dry to obtain the photochromic sunscreen particles.

Embodiment 2

[0093] Example 2: Sunscreen

[0094] Add the photochromic sunscreen particles prepared in Example 1 into the sunscreen base at a weight ratio of 5%, stir and mix thoroughly, and follow the existing methods for making and storing sunscreens.

[0095] When using, just apply the sunscreen to bare parts such as the face and arms.

[0096] The photochromic material can be selected to change to pink under the sunlight, so that the human skin presents a healthier and more beautiful color.

Embodiment 3

[0097] Example 3: Oil paint for body painting

[0098] The photochromic sunscreen granules prepared in Example 1 are added to the prepared matrix containing different colors according to the proportion of 8% by weight, and fully stirred and mixed to obtain the product.

[0099] The oil paint can not only play a strong role in sun protection, but also change color with the intensity of sunlight, forming a novel and fantastic effect on the surface of the human body.

[0100] The oil paint of the invention has strong waterproof performance and high fatigue resistance.

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Abstract

The invention provides a photochromic sunblock particle, a human body surface coating object containing photochromic sunblock particles, and application of the coating object in skin sunblock, body painting and a field hidden material. A photochromic material is added into the human body surface coating object and serves as an ultraviolet absorber, the absorption wavelength is between 280 nm and 400 nm and is just in the wavelength range of UVA (ultraviolet a) and UVB (ultraviolet b) radiating to the ground, the absorption efficiency is high, and the ultraviolet protection effect is improved; the photochromic material is stable in performance, long in service life and good in hot and cold resistance, and the fatigue endurance can reach more than 10,000 times; the surface coating object can be changed into various beautiful and bright colors while absorbing ultraviolet light, can change the colors when applied to a human body and irradiated under sunshine, and can be used for body painting, the field hidden material and the like due to the characteristic; and besides, the ultraviolet intensity of sunlight can be evaluated through observation of the color change condition and the color degree, and a user can be reminded of certain ultraviolet protection.

Description

technical field [0001] The invention relates to the field of cosmetics, in particular to a human body surface coating. Background technique [0002] Ultraviolet rays belong to non-ionizing radiation in electromagnetic waves. The sun is the main source of ultraviolet rays. The wavelength range is 100-400nm. According to the wavelength, ultraviolet rays are divided into C segment (UVC, 100-290nm), B segment (UVB, 290-320nm) and Section A (UVA, 320-400nm), when ultraviolet rays pass through the atmosphere, the ozone molecules in the ozone layer absorb all ultraviolet rays with a wavelength less than 290nm (section C), and also absorb a large amount of ultraviolet rays in the range of 290-320nm (section B), radiating to The surface of the earth is mainly 320-400nm (mainly UVA) solar ultraviolet rays, which will affect people and organisms. [0003] However, with the aggravation of air pollution, the ozone layer is getting thinner, and the ultraviolet energy reaching the ground ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/49A61Q17/04A61Q1/02
Inventor 孟继本吴边鹏边俊民庞美丽黄跃东孟庆秘
Owner TIANJIN UVOS TECH CO LTD
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