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Graft polymers and use thereof in cosmetic formulations

A technique of graft polymer and graft polymerization, which is applied in the field of graft polymer and its application in cosmetic preparations, and can solve problems such as the suitability of active components that are not mentioned

Inactive Publication Date: 2006-03-22
BASF CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no mention of the suitability of these graft copolymers as active ingredients in cosmetic formulations

Method used

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  • Graft polymers and use thereof in cosmetic formulations
  • Graft polymers and use thereof in cosmetic formulations
  • Graft polymers and use thereof in cosmetic formulations

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0311]60.0g average molecular weight is the polyethylene glycol (Pluriol E 4000, BASFAktiengesellschaft) of 4000, the polyvinylpyrrolidone (K value 30) of 15g, the distilled water of 180g, 2.8g concentration is the phosphoric acid of 75%, and the concentration of 2.8g is A 50% sodium hydroxide solution was introduced into a stirred reactor with nitrogen inlet, reflux condenser and metering device, and then refluxed under a nitrogen atmosphere. Under reflux, 297.1 g of vinylformamide were metered in within 1.5 hours and 10 g of tert-butyl peroctoate in 32 g of triethylene glycol monomethyl ether were metered in within 2 hours, and further The mixture was polymerized for 1.5 hours until the reaction was complete. Since the reaction mixture became highly viscous during the reaction, 45 minutes after the start of the polymerization, 250 g of distilled water were metered in within 1.5 hours. When the reaction was complete, the mixture was diluted with 500 g of distilled water.

Embodiment 2

[0312] Example 2: Hydrolysis of the solution obtained in Example 1

[0313] 100 g of distilled water and 1 g of sodium metabisulfite were added, and 500 g of the solution obtained in Example 1 was heated to 80°C. After adding 33 g of 25% strength sodium hydroxide solution, the mixture was stirred at 80° C. for 3 hours. After cooling, the mixture was adjusted to pH=8 with 15 g of 38% strength hydrochloric acid.

Embodiment 3

[0315] 120 g of polyethylene glycol (Pluriol E 1500, BASFAktiengesellschaft) with an average molecular weight of 1500 and 43 g of polyvinylpyrrolidone (K value 90) were introduced into a stirred reactor with nitrogen inlet, reflux condenser and metering device, and then Melt down. At 90° C., 18.5 g of N-vinylformamide were metered in within 1 hour and 1.35 g of tert-butyl peroctoate in 16.1 g of triethylene glycol monomethyl ether were metered in within 1.5 hours, and Postpolymerization at 90° C. for 1 hour. During postpolymerization, the reaction mixture was diluted with distilled water.

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Abstract

The invention relates to graft polymers which can be obtained by radical graft polymerisation of a) at least one monomer containing N-vinyl b) optionally, one or several other copolymerisable monomers on a polymer graft base c) which contains at least one compound from group c1) and at least one compound from group c2), whereby c1) represents compounds containing polyether c2) represents polymers which contain at least 5 wt % of vinyl pyrrolidone units and d) optionally, at least one cross-linker. The invention also relates to the use thereof in cosmetic preparations.

Description

technical field [0001] The present invention relates to graft polymers and their use as components in cosmetic compositions. The graft polymer is prepared by grafting monomers containing monoethylenically unsaturated, open-chain N-vinylamide units onto a polymeric graft base containing at least two compounds. Background technique [0002] Polymers are widely used in cosmetics and pharmaceuticals. For example, in (soap)s, creams, and lotions, they are commonly used as formulation agents, for example, as thickeners, foam stabilizers, or water-absorbing agents, or to lessen the irritating effects of other ingredients, or to For improving skin application of active ingredients. In hair cosmetics, by contrast, their task is to influence the properties of the hair. [0003] For example, conditioners are used to improve dry and wet combability, feel, shine and appearance, and to impart antistatic properties to the hair. Preference is given to using polar, usually cationic funct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/06C08F271/02C08L51/00A61K8/91A61Q1/00A61Q5/00A61Q19/00C11D3/37
CPCC08F271/02A61Q5/06A61Q1/02A61Q19/10C11D3/3788A61Q1/10A61K8/91A61Q19/005A61Q19/002A61Q19/001A61Q5/12C08L51/00A61Q5/006A61Q19/00A61K2800/28A61Q11/00A61K8/0212A61Q1/06A61Q5/02C08F283/06A61Q19/007A61Q17/04A61Q9/02C08F226/00C08L2666/24
Inventor 莱桑德·克里斯托费尔斯彼得·赫塞尔克劳迪娅·伍德马克西米利安·安格尔克莱门斯·马陶厄尔
Owner BASF CORP
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