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Oily powder paste with thixotropy and preparation method of oily powder paste

A toner and powder technology, applied in the field of cosmetic raw materials, can solve the problems of affecting the quality stability of downstream products, restricting the flexibility of formula design, and uneven powder content, so as to facilitate large-scale industrial production and reduce the risk of oil and powder separation , good oil compatibility effect

Inactive Publication Date: 2018-10-12
SHANGHAI CO FUN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing slurry is divided into high-viscosity non-flowing slurry and low-viscosity slurry according to the viscosity. Among them: although the high-viscosity non-flowing slurry is not easy to separate oily oil, it cannot be poured after feeding, and after adding It is not easy to stir evenly; the slurry with low viscosity and fluidity can be dumped when fed, but sedimentation and oil-powder separation will inevitably occur during storage, resulting in uneven powder content between the upper layer and the lower layer of the slurry, which seriously affects the difference between different batches of downstream products stable quality
In addition, formulations usually contain multiple types of oils, and existing slips are only compatible with specific types of oils, which can lead to severe agglomeration in incompatible oils, limiting the flexibility of formulation design

Method used

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  • Oily powder paste with thixotropy and preparation method of oily powder paste
  • Oily powder paste with thixotropy and preparation method of oily powder paste
  • Oily powder paste with thixotropy and preparation method of oily powder paste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Add 2 g NaAlO to the round bottom flask 2With 250g of deionized water, stir until dissolved and clarified, add 150g of titanium dioxide, stir at 60°C for 15min, adjust pH=5.5 (25°C) with 3wt.% HCl solution, and mature for 15min; then add 100g of 2wt.% stearyl Add sodium glutamate aqueous solution to the above dispersion liquid, adjust pH=6.0 (25°C) with 3wt.% HCl solution, mature for 15 minutes, vacuum filter to obtain wet powder, dry at 115°C for 1.5h to obtain dry powder; put the above dry powder into high-speed Mixer, under high-speed stirring, spray triethoxyoctylsilane with a mass percentage of titanium dioxide of 3% into the high-speed mixer through an oil spray tank to mix triethoxyoctylsilane and powder evenly, bake at 120°C for 2 hours, and cool naturally Discharge, get the surface modified titanium dioxide toner, the reaction process is as attached figure 1 and 2 shown.

[0034] 66wt.% of the above-mentioned surface-modified titanium dioxide toner, 33wt.% o...

Embodiment 2

[0036] The titanium dioxide in Example 1 was replaced with iron oxide red, and other processes were basically the same to obtain a thixotropic iron oxide red powder slurry, wherein the mass content of iron oxide red powder was 65%.

Embodiment 3

[0038] The titanium dioxide in Example 1 was replaced with iron oxide yellow, and the other processes were basically the same to obtain a thixotropic iron oxide yellow powder slurry, wherein the iron oxide yellow powder content was 50%.

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Abstract

The invention discloses oily powder paste with thixotropy and a preparation method of the oily powder paste. The method comprises the steps as follows: the surface of inorganic toner powder is coatedwith aluminum hydroxide through wet processing, the surface of the powder coated with aluminum hydroxide is coated with an organic matter treating agent I and an organic matter treating agent II respectively through wet processing, then, the powder is uniformly stirred with oil and a dispersant, grinding and dispersion are performed, and the oily powder paste with thixotropy is prepared. The powder paste has the advantages of no fluidity during storage, low oily powder separation risk, stirring fluidity during usage, capability of realizing addition by pouring and being uniformly mixed with asystem through low-speed stirring and the like and can be used as a raw material for preparing foundation such as liquid foundation and blusher as well as makeup products.

Description

technical field [0001] The invention belongs to the field of cosmetic raw materials, and in particular relates to an oily powder slurry with thixotropy and good compatibility with various oils and cosmetics containing the powder slurry. The obtained powder slurry is easy to use and improves the skin feel, visual and Efficacy in terms of persistence. Background technique [0002] Powder raw materials can provide effects such as covering, contouring, oil absorption and improving skin feel, and are indispensable raw materials in cosmetics. In the production process, powder raw materials are likely to cause dust pollution in the workshop, and after adding powder raw materials, it needs to go through a high-energy-consuming grinding and dispersing process to maximize its efficacy. In recent years, pre-dispersion of powder raw materials, dispersion media and other components has appeared Grinding slurry products can avoid dust pollution and manpower, time and energy consumption c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/19A61K8/29A61K8/44A61K8/58A61K8/891A61K8/02A61Q1/12
CPCA61K8/29A61K8/0233A61K8/19A61K8/44A61K8/585A61K8/891A61Q1/12
Inventor 秦纪华亢荣敏谢旭
Owner SHANGHAI CO FUN BIOTECH
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