Emollients and cosmetic compositions based on special branched hydrocarbons

A composition and mixture technology, applied in the direction of cosmetics, cosmetic preparations, cosmetic preparations, etc., can solve problems such as not described

Active Publication Date: 2010-05-19
COGNIS IP MANAGEMENT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has not been described so far that the symmetrically structured hydrocarbons thus prepared on demand are suitable for use in cosmetics

Method used

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  • Emollients and cosmetic compositions based on special branched hydrocarbons
  • Emollients and cosmetic compositions based on special branched hydrocarbons
  • Emollients and cosmetic compositions based on special branched hydrocarbons

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Electrolysis was carried out in a separate 200ml beaker tank. Each area is 1cm 2 The two platinum electrodes are positioned at a distance of 1-3mm between the electrodes. The electrode is connected to a power supply (3A / 30V). 40 g (0.28 mol) ethylhexanoic acid, 2.5 g sodium methoxide (0.014 mol, 30% solution in methanol) and 4.2 g water were added to the electrolytic cell and filled to 150 ml with methanol. The solution was electrolyzed with stirring at a constant current of 0.5 A, for which a voltage of 26 V was required. The cell was cooled with ice / water so that the temperature was adjusted to 40°C. Electrolysis was stopped after 15 hours. The colorless product precipitates out as the second phase. Yield was 16.0 g. Gas chromatographic analysis of the product indicated >95% diethyldecane (see figure).

[0050]

Embodiment 2

[0052] Electrolysis was carried out in a separate 200ml beaker tank. Each area is 1cm 2 The two platinum electrodes are positioned at a distance of 1-3mm between the electrodes. The electrode is connected to a power supply (3A / 30V). 40 g (0.28 mol) of Cekanoic C8 (Exxon), 2.5 g of sodium methoxide (0.014 mol, 30% solution in methanol) and 4.2 g of water were added to the electrolytic cell and filled to 150 ml with methanol. The solution was electrolyzed with stirring at a constant current of 0.5 A, for which a voltage of 26 V was required. The cell was cooled with ice / water so that the temperature was adjusted to 40°C. Electrolysis was stopped after 15 hours. The colorless product precipitates out as the second phase. Gas chromatographic analysis of the product showed a content of >95% branched C14-hydrocarbons comprising multiple isomers with methyl branches. The methyl branches have the same distribution pattern as the raw material Cekanoic C8. Yield was 17.0 g.

Embodiment 3

[0054] Electrolysis was carried out in a separate 200ml beaker tank. Each area is 1cm 2 The two platinum electrodes are positioned at a distance of 1-3mm between the electrodes. The electrode is connected to a power supply (3A / 30V). Add 23g (0.16 mol) ethylhexanoic acid, 18.5g (0.16 mol) hexanoic acid, 2.9g sodium methylate (0.016 mol, 30% solution in methanol) and 4.2g water in the electrolytic cell, and fill to 150ml with methanol . The solution was electrolyzed with stirring at a constant current of 0.4 A, for which a voltage of 26 V was required. The cell was cooled with ice / water so that the temperature was adjusted to 40°C. Electrolysis was stopped after 15 hours. The colorless product precipitates out as the second phase. Yield was 18.5 g. Gas chromatographic analysis of the product showed a total content >95% of a mixture of three different hydrocarbons. The three hydrocarbons are decane, ethyl decane and diethyl decane. (see picture)

[0055]

[0056] The...

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Abstract

Cosmetic and / or pharmaceutical composition (I) comprises 10C hydrocarbon, which is obtained by kolbe electrolysis of at least one branched 6-26C fatty acids or a mixture of at least one linear 3-26C fatty acids and / or branched 4-26C fatty acids. An independent claim is also included for the preparation of (I). - ACTIVITY : Dermatological. - MECHANISM OF ACTION : None given.

Description

field of invention [0001] The present invention relates to cosmetic compositions containing hydrocarbon-based oil bodies obtained by the Kolbe-synthesis and to the use of such hydrocarbons. Background technique [0002] In the field of cosmetic emulsions for skin care and hair care, users place numerous demands: In addition to a cleansing and care action that determines the purpose of application, important values ​​such as good skin compatibility, good Various parameters for image, optimum sensory impression and storage stability. [0003] Formulations for cleansing and caring for human skin and hair generally contain mainly oil bodies and water in addition to a series of surface-active substances. As oil bodies / emollients there are used, for example, hydrocarbons, ester oils and vegetable and animal oils / fats / waxes. New types of oil bodies and emulsifier-blends are constantly being developed and tested in order to meet market requirements in terms of sensory properties a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/30C25B3/00A61K9/00A61Q19/00
CPCC25B3/10A61Q19/00A61K8/31A61K2800/83C25B3/29
Inventor 马库斯·德克尔
Owner COGNIS IP MANAGEMENT GMBH
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