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Water-in-oil iron oxide dispersion slurry

A water-in-oil, iron oxide technology, applied in cosmetics, cosmetics, cosmetic preparations, etc., can solve the problems of poor solvent dispersibility, poor uniformity and covering power, non-solid products floating color or powder settling, etc. Achieve good stability and good coverage

Inactive Publication Date: 2017-09-12
广东创美抗衰老研究有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When iron oxide is used, due to its original nature of large specific surface energy, the particles are easy to agglomerate, resulting in poor dispersion in solvents, easy to cause sedimentation and poor suspension, and finally appear in non-solid products. Floating color or Instability problems such as powder settling, resulting in poor uniformity and hiding power when the product is used / smeared

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A water-in-oil type iron oxide dispersion slurry, containing the following components in mass percentages: iron oxide red 2%, iron oxide yellow 2.5%, iron oxide black 0.5%, dioctyl carbonate 2%, isohexadecane 3% , cetyl PEG / PPG-10 / 1 polydimethylsiloxane 0.5%, SEPIPLUS 400 5%, water balance; the particle diameter of described iron oxide red, iron oxide yellow, iron oxide black is 10 Microns.

Embodiment 2

[0066] A water-in-oil type iron oxide dispersion slurry, containing the following components in mass percentages: iron oxide red 40%, isononyl isononanoate 5%, cyclopentasiloxane 20%, jojoba oil 5% %, lauryl PEG-9 polydimethylsiloxyethyl polydimethylsiloxane 4%, PEG-10 polydimethylsiloxane 1%, SIMULGEL NS 0.1%, water balance; The particle size of the iron oxide red is 0.01 micron, and the surface treatment agent of the iron oxide red is triethoxyoctylsilane.

Embodiment 3

[0068] A water-in-oil type iron oxide dispersion slurry, containing the following components in mass percentages: iron oxide black 10%, squalane 1%, octyldodecanol 4%, phenyl polytrimethicone 5% , PEG-9 Dimethicone Dimethicone 0.8%, Sorbitan Sesquioleate 0.2%, ViscOptima LV 0.7%, ViscOptima SE 0.3%, Butylene Glycol 0.1%, Water Amount; The particle diameter of described iron oxide black is 0.5 micron.

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Abstract

The invention discloses water-in-oil iron oxide dispersion slurry. The water-in-oil iron oxide dispersion slurry is mainly prepared from, by mass, (a) 5-40% of iron oxide, (b) 5-30% of an oil phase composed of one or more oil-based components, (c) 0.5-5% of a mixed emulsifying agent composed of one or more emulsifiers, (d) 0.1-5% of a reverse emulsifier mixture composed of one or more reverse emulsifiers and (e) the balance water, wherein an HLB (hydrophile lipophile balance) value of the mixed emulsifying agent is 3-6. The water-in-oil iron oxide dispersion slurry has advantages of high powder content, high covering power, high stability and convenience in use.

Description

technical field [0001] The invention belongs to the field of cosmetics, and in particular relates to a water-in-oil type iron oxide dispersion slurry. Background technique [0002] The biggest application of iron oxide is as a pigment. According to the color, it is divided into iron oxide yellow, iron oxide red and iron oxide black. It has excellent light resistance, high temperature resistance, rust resistance, strong coloring power and hiding power, and is non-toxic. Iron oxide yellow, pigment international index number CI77492, the main component is ferric oxide, chemical formula Fe 2 o 3 ·H 2 O, is the monohydrate of iron oxide. Iron oxide red, pigment international code number CI 77491, also known as rust red, is red iron oxide powder that has lost crystal water. Iron oxide black, pigment international code number CI 77499, chemical formula Fe 3 o 4 , commonly known as magnet, magnet, black iron, is a magnetic black crystal. [0003] When iron oxide is used, due ...

Claims

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Application Information

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IPC IPC(8): A61K8/04A61K8/19A61Q19/00A61Q1/08A61Q1/12
Inventor 不公告发明人
Owner 广东创美抗衰老研究有限公司
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