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Toner containing zinc oxide, preparation method thereof and application of zinc oxide in preparing toner

A technology of toner and zinc oxide, which is applied in the direction of cosmetic preparations, skin care preparations, cosmetics, etc., can solve the problems of high viscosity of preparations, easy aggregation, and the use of ultra-fine zinc oxide has not been found, so as to achieve difficult aggregation and good stability Effect

Active Publication Date: 2013-01-16
MENTHOLATUM (CHINA) PHARM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the prior art discloses the use of ultrafine zinc oxide in preparations in solid and semisolid forms (such as ointments, emulsions, etc.), and it has not been found that ultrafine zinc oxide is used in solution-type liquid preparations such as toners.
Due to the high viscosity of solid and semi-solid formulations (such as ointment, emulsion, etc.), the aggregation of ultrafine zinc oxide in them is not noticeable, while in solution, ultrafine zinc oxide is easy to aggregate, which affects the ultrafine zinc oxide. Effect of Fine Zinc Oxide in Solution

Method used

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  • Toner containing zinc oxide, preparation method thereof and application of zinc oxide in preparing toner
  • Toner containing zinc oxide, preparation method thereof and application of zinc oxide in preparing toner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Formulation (weight %):

[0027] making process:

[0028] 1. Add water, glycerin, 1,3-butanediol, succinic acid, and disodium succinate into the preparation container, stir at 20r / min to dissolve completely, and continue stirring at 50r / min for 10 minutes;

[0029] 2. Pre-mixed absolute ethanol, essence, menthol, and isopropyl methylphenol, then add it to the preparation container while stirring at 20r / min, and continue stirring at 50r / min for 20 minutes;

[0030] 3. Mix zinc oxide with an appropriate amount of 1,3 butanediol in advance, homogenize for more than 30 minutes to make a dispersion slurry, then add it to the blending container under stirring at 20r / min, continue stirring at 50r / min, and homogenize at 1000r / min 20 minutes, to the following extent: Take 100ml and add it to a 100ml measuring cylinder, let it stand for 2 hours, and the height of deposited zinc oxide powder is 1 cm.

[0031] The pH of the solution was measured to be 7.2.

Embodiment 2

[0033] Formulation (weight %):

[0034] making process:

[0035] 1. Add water, glycerin, 1,3-butanediol, succinic acid, and disodium succinate into the preparation container, stir at 30r / min to dissolve completely, and continue stirring at 30r / min for 15 minutes;

[0036] 2. Pre-mixed absolute ethanol, essence, menthol, and isopropylmethylphenol, then add it to the blending container while stirring at 30r / min, and continue stirring at 30r / min for 15 minutes;

[0037] 3. Mix zinc oxide with an appropriate amount of 1,3 butanediol in advance, homogenize for more than 30 minutes to make a dispersion slurry, then add it to the blending container under stirring at 30r / min, continue stirring at 30r / min, and homogenize at 1500r / min 30 minutes, to the following extent: Take 100ml and add it to a 100ml measuring cylinder, let it stand for 2 hours, and the height of the deposited zinc oxide powder is 2 cm.

[0038] The pH of the solution was measured to be 7.2.

Embodiment 3

[0040] Formulation (weight %):

[0041] making process:

[0042] 1. Add water, glycerin, 1,3-butanediol, succinic acid, and disodium succinate into the preparation container, stir at 50r / min to dissolve completely, and continue stirring at 20r / min for 20 minutes;

[0043] 2. Pre-mixed absolute ethanol, essence, menthol, and isopropyl methylphenol, then add it to the blending container while stirring at 50r / min, and continue stirring at 20r / min for 10 minutes;

[0044] 3. Mix zinc oxide with an appropriate amount of 1,3 butanediol in advance, homogenize for more than 30 minutes to make a dispersion slurry, then add it to the blending container under stirring at 50r / min, continue stirring at 20r / min, and homogenize at 2000r / min 10 minutes, to the following level: Take 100ml and add it to a 100ml measuring cylinder, let it stand for 2 hours, and the height of the deposited zinc oxide powder is 3 cm.

[0045] The pH of the solution was measured to be 7.2.

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Abstract

The invention relates to a toner containing zinc oxide, comprising the components of 0.1-5% of zinc oxide the grain diameter of which is 0.05-6 micron, 0.01-0.1% of isopropyl methylphenol, buffer salt the amount of which leads the potential of hydrogen (pH) to be 6.0-8.0, auxiliary materials which are acceptable in the toner field and the balance of water by weight proportion. The invention also relates to the preparation method of the toner and the application of zinc oxide in preparing a toner. Mentholatum develops the novel toner after years of study. The toner contains mild zinc oxide powder and has the effects of oil control, astringing, diminishing inflammation and the like. Meantime, the toner contains the bactericide of isopropyl methylphenol and a small additive amount can take the effects of removing acne and sterilization. In addition, the toner disclosed by the invention has good stability and the zinc oxide is not prone to aggregation even if the zinc oxide stands for years in the toner.

Description

technical field [0001] The invention relates to the field of cosmetics, in particular, the invention relates to a toner containing zinc oxide, a preparation method thereof, and an application of the zinc oxide in the toner. Background technique [0002] Zinc oxide is an amphoteric compound, which has a very wide range of uses in rubber, textile industry, electronics industry, cosmetics industry, ink, paint and coatings and other industries. The ultrafine zinc oxide has a strong ability to absorb ultraviolet light, and has better ultraviolet absorption ability and transparency than the existing ultrafine titanium dioxide pigment. Therefore, zinc oxide is currently widely used in sunscreen compositions to enhance the sunscreen effect. [0003] Toner is a solution-type liquid preparation, its function is to restore the pH value of the skin surface, and condition the stratum corneum, so that the skin can absorb better, quickly replenish water, and prepare for the use of skin ca...

Claims

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Application Information

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IPC IPC(8): A61K8/33A61K8/362A61K8/27A61K8/97A61Q19/00A61K8/34
Inventor 李传茂王乃龙谢志辉罗嵘章志强郑冯峰
Owner MENTHOLATUM (CHINA) PHARM CO LTD
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