Sunscreen emulsion capable of preventing ultraviolet rays and preparation method of sunscreen emulsion

A technology of sunscreen lotion and ultraviolet rays, which is applied in the preparation of amino compounds, carbon-based compounds, chemical instruments and methods, etc., and can solve problems such as allergies, general sunscreen effects, and sunburn

Inactive Publication Date: 2021-06-18
张文龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many types of sunscreen lotions. After using sunscreen lotion, some users with sensitive skin may experience allergies due to the contact of sunscreen ingredients with the skin. The sunscreen effect is average, and the skin will still suffer from sunburn to varying degrees after use.

Method used

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  • Sunscreen emulsion capable of preventing ultraviolet rays and preparation method of sunscreen emulsion
  • Sunscreen emulsion capable of preventing ultraviolet rays and preparation method of sunscreen emulsion
  • Sunscreen emulsion capable of preventing ultraviolet rays and preparation method of sunscreen emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A sunscreen lotion for preventing ultraviolet rays, comprising the following raw materials in parts by weight: 3 parts of stearic acid, 2 parts of octyl salicylate, 1 part of sunscreen microcapsules, 0.2 parts of fatty acid methyl ester, 4 parts of glycerin, 15 parts of deionized water, white oil 10 parts, 2 parts of titanium dioxide;

[0042] This sunscreen lotion is made by the following steps:

[0043] Step S1: Add stearic acid, octyl salicylate, sunscreen microcapsules, and fatty acid methyl ester into the stirring tank, and mix evenly to prepare the first mixture;

[0044] Step S2: After mixing the glycerin and deionized water, keep the temperature at 80° C. for 10 minutes to prepare the second mixture;

[0045] Step S3: adding white oil and titanium dioxide into the stirring tank, and mixing evenly to obtain the third mixture;

[0046] Step S4: After the first mixture and the third mixture are uniformly mixed, the second mixture is added, and the mixture is cont...

Embodiment 2

[0054] A sunscreen lotion for preventing ultraviolet rays, comprising the following raw materials in parts by weight: 4 parts of stearic acid, 2.5 parts of octyl salicylate, 1.3 parts of sunscreen microcapsules, 0.3 parts of fatty acid methyl ester, 5 parts of glycerin, 18 parts of deionized water, white oil 13 parts, 2.5 parts of titanium dioxide;

[0055] This sunscreen lotion is made by the following steps:

[0056] Step S1: Add stearic acid, octyl salicylate, sunscreen microcapsules, and fatty acid methyl ester into the stirring tank, and mix evenly to prepare the first mixture;

[0057] Step S2: After mixing the glycerin and deionized water, keep the temperature at 80° C. for 15 minutes to prepare the second mixture;

[0058] Step S3: adding white oil and titanium dioxide into the stirring tank, and mixing evenly to obtain the third mixture;

[0059] Step S4: After the first mixture and the third mixture are uniformly mixed, the second mixture is added, and the mixture ...

Embodiment 3

[0067] A sunscreen lotion for preventing ultraviolet rays, comprising the following raw materials in parts by weight: 5 parts of stearic acid, 3 parts of octyl salicylate, 1.5 parts of sunscreen microcapsules, 0.5 parts of fatty acid methyl ester, 6 parts of glycerin, 20 parts of deionized water, white oil 15 parts, 3 parts of titanium dioxide;

[0068] This sunscreen lotion is made by the following steps:

[0069] Step S1: Add stearic acid, octyl salicylate, sunscreen microcapsules, and fatty acid methyl ester into the stirring tank, and mix evenly to prepare the first mixture;

[0070] Step S2: After mixing the glycerin and deionized water, keep the temperature at 90° C. for 15 minutes to prepare the second mixture;

[0071] Step S3: adding white oil and titanium dioxide into the stirring tank, and mixing evenly to obtain the third mixture;

[0072] Step S4: After the first mixture and the third mixture are uniformly mixed, the second mixture is added, and the mixture is c...

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Abstract

The invention discloses a sunscreen emulsion for preventing ultraviolet rays and a preparation method thereof. The sunscreen emulsion is prepared from the following raw materials in parts by weight: 3-5 parts of stearic acid, 2-3 parts of octyl salicylate, 1-1.5 parts of sunscreen microcapsules, 0.2-0.5 part of fatty acid methyl ester, 4-6 parts of glycerol, 15-20 parts of deionized water, 10-15 parts of mineral oil and 2-3 parts of titanium dioxide. The sun-screening agent is subjected to microencapsulation treatment to prepare the sun-screening micro-capsule, the sun-screening agent is not in direct contact with the skin through microencapsulation treatment, then skin allergy of a user is prevented, the sun-screening agent contains a large amount of hindered amine and can continuously absorb ultraviolet rays, meanwhile, the sun-screening agent contains a large amount of conjugated pi electronic structures and can perform hydrogen migration, and therefore the sun-screening effect is improved. The electron transits from a donor orbit to an acceptor orbit, and internal charge transfer and transition occur, so that strong ultraviolet absorption is generated, and the sunscreen effect is achieved.

Description

technical field [0001] The invention relates to the technical field of sunscreen preparation, in particular to an ultraviolet prevention sunscreen emulsion and a preparation method thereof. Background technique [0002] Sun exposure is one of the important factors that make the skin age, and strong ultraviolet radiation may cause skin cancer. Studies have shown that ultraviolet rays in the UVB band (290-320nm) can pass through the stratum corneum and epidermis, causing skin erythema and DNA damage, and ultraviolet rays in the UVA band (320-400nm) can reach the dermis, which is an important factor that causes melanoma. Therefore, effective sun protection is very necessary. Sunscreens can effectively absorb or scatter ultraviolet rays in the UVB and UVA bands of sunlight, and are generally divided into two categories: physical and chemical. Physical sunscreens such as titanium dioxide and zinc oxide and other inorganic particles can reflect or scatter ultraviolet radiation, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/49A61K8/58A61K8/41A61Q17/04C07C209/50C07C211/55C07D401/14C07C45/64C07C49/84
CPCA61K8/4966A61K8/585A61K8/416A61Q17/04C07C209/50C07D401/14C07C45/64A61K2800/622A61K2800/624A61K2800/82C07C211/55C07C49/84
Inventor 张文龙
Owner 张文龙
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