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Gel composition

A gel composition, composition technology, applied in the field of personal care, can solve problems such as long time

Pending Publication Date: 2022-04-01
SHANGHAI JAHWA UNITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The principle and process of hydrogen bond thickening are as follows: the mechanism of hydrogen bond thickening is to add a hydroxyl donor (such as nonionic surfactant, polyol, ethylene glycol-silane copolymer, polyethylene oxide, fully Hydrolyzed polyvinyl alcohol, etc.), as a carboxyl donor, carbomer can combine with one or more than two hydroxyl groups to form hydrogen bonds to thicken, but this method takes a long time

Method used

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  • Gel composition
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preparation example Construction

[0047] In some embodiments, the preparation method of gel composition comprises the following steps:

[0048] (a) dispersing the acrylic polymer into an acceptable carrier in the field of personal care;

[0049] (b) dispersing the α-amino acid into the above mixture under stirring to obtain the desired gel composition;

[0050] or

[0051] (a) dispersing the alpha amino acid in a carrier acceptable in the field of personal care;

[0052] (b) dispersing the acrylic polymer into the above mixture under stirring state to obtain the desired gel composition.

[0053] In some embodiments, the personal care field acceptable carrier is an aqueous carrier. In some embodiments, the personal care field acceptable carrier is a water-alcohol system. In some embodiments, acceptable carriers in the field of personal care are glycerin-water, butylene glycol-water, propylene glycol-water systems.

[0054] In some embodiments, the stirring state includes stirring at 500-5000 rpm. In some ...

Embodiment 1

[0064] Embodiment 1: the preparation of gel composition

[0065] Sprinkle 0.1 parts by mass of U20 on the surface of 97.9 parts by mass of deionized water at room temperature. After it is fully wetted, sprinkle 2.0 parts by mass of glycine under rapid stirring at 500 rpm and stir for 5 minutes until it dissolves evenly. Finally, The hydrogel composition of U20 has a colorless and transparent flowing gel appearance, a measured pH of 4.861, and a measured viscosity of 2242 mPa·s.

Embodiment 2

[0066] Embodiment 2: the preparation of gel composition

[0067] Sprinkle 0.2 parts by mass of U20 on the surface of 97.8 parts by mass of deionized water at room temperature. After fully wetting, sprinkle 2.0 parts by mass of glycine under rapid stirring at 500 rpm and stir for 5 minutes until it dissolves evenly. Finally, The hydrogel composition of U20 is a colorless and transparent semi-flowing gel with a measured pH of 4.568 and a measured viscosity of 12220 mPa·s.

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Abstract

The invention provides a gel composition, the composition comprises an acrylic ester polymer and amino acid, and the gel composition comprises at least 0.2 wt% of the acrylic ester polymer based on the total weight of the composition. The invention also relates to a preparation method of the gel composition and application of the gel composition in personal care products.

Description

technical field [0001] The invention relates to the field of personal care, in particular to a gel composition with different apparent viscosities, and the gel composition is applicable to different product forms in the field of personal care. Background technique [0002] Acrylic polymers, such as carbomer, usually appear as loose white and slightly acidic powders, and the carboxylic acid groups (—COOH) contained in the structure are about 56.0% to 68.0% based on the dry product. [0003] Acrylate polymers are widely used in the fields of personal care products and pharmaceuticals. After thickening, they will become transparent or translucent gels, which can help the preparation to achieve the function of suspension and stability. It is an important class of rheological adjustment. agent. Carbomer generally has two thickening mechanisms, including neutralization thickening and hydrogen bond thickening. [0004] The principle and process of neutralization and thickening ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/04A61K8/44A61K8/81A61Q19/00
CPCA61K8/81A61Q19/00A61K8/44A61K8/04
Inventor 倪向梅冯春波
Owner SHANGHAI JAHWA UNITED