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Volumising hair fixer with ampholytic copolymer

A hair and polymer technology, applied in hair care, cosmetics, cosmetic preparations, etc., can solve the problems of difficult combing, dullness, and insufficient care properties of hair

Inactive Publication Date: 2009-09-09
BASF AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The main disadvantage of fixing polymers in hairsprays is the lack of care properties: the hair is difficult to comb and feels dull, rough and lacking in conditioning
[0013] However, the use of these cationic polymers or cationic surfactants in most cases leads to a marked reduction in the volumizing properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0027] Polymer 1:

[0028] Random, linear copolymer composed of vinylpyrrolidone, tert-butyl acrylate, methacrylic acid, dimethylaminopropyl methacrylamide, and methacryloyloxyethyl dimethyl ethyl ammonium ethyl sulfate, used Phosphoric acid neutralizes it to pH 6.0.

[0029] Polymer 1 is obtained from the following monomer ratios:

[0030] 47% by weight tert-butyl acrylate,

[0031] 25% by weight of vinylpyrrolidone,

[0032] 10% by weight of dimethylaminopropylmethacrylamide,

[0033] 15% by weight of methacryloyloxyethyl dimethyl ethyl ammonium ethyl sulfate,

[0034] 3% by weight methacrylic acid.

[0035] The hair volume of different hair styling agents and 3% solutions of Polymer 1 was examined and the comparison gave the following results:

[0036] Addition of Cationic Surfactant K and / or Cationic Polymer B resulted in a 2% increase in volume. Addition of nonionic surfactant N containing polyoxyethylene units and / or polyoxypropylene units resulted in a 4% increas...

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PUM

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Abstract

The invention discloses a volumising hair fixer with ampholytic copolymer. The cosmetic preparation is used for treating keratin structure, especially for human hair, and the cosmetic preparation comprises: a) polymer A made from the monomers such as vinylpyrrolidone, tert-butyl acrylate, methacrylic acid, dimethylamino propyl methacrylamide and methacryloyloxyethyl dimethyl ethyl ammonium ethylsulfate, wherein the amount of methacrylic acid is lower than the amount of dimethylamino propyl methacrylamide and the polymer is neutralized with a suitable acid; b) a cationic surfactant K and / or cationic polymer B; c) a non-ionic surfactant N with polyoxyethylene- and / or polyoxypropylene-units.

Description

technical field [0001] The present invention relates to a novel hair styling agent. Background technique [0002] Products known as styling agents are used for temporarily changing and stabilizing hairstyles. These include hairsprays, foam fixers, gels, pomades, and more. [0003] Formulations are varied and ingredients must be compatible in ethanol, hydroethanol or aqueous media. [0004] Such preparations for fixing hair generally consist of solutions of film-forming natural or synthetic polymers or combinations of polymers. These are nonionic, anionic, cationic or amphoteric polymers. The formulation leaves a colorless, transparent film after application to the hair. There are a series of requirements for such films: the film should be transparent, glossy, insensitive to humidity, strong, long-lasting, flexible, non-sticky, not affect the natural feel of the hair and can be used with commercially available Shampoo washes off easily. Hairspray has a special place in ...

Claims

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Application Information

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IPC IPC(8): A61K8/81A61K8/84A61K8/86A61Q5/06
CPCA61Q5/06A61K8/817A61K8/39A61K8/8182A61K8/416A61K8/046A61K8/86
Inventor 维布克·克里格克斯廷·弗兰克比约恩·霍伊尔阿南德·玛哈德什瓦尔
Owner BASF AG