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Branched/block copolymer for treatment of keratinous substrates

A technology of block copolymers and copolymers, which is applied in the direction of cosmetics, hair care, detergent compositions, etc., can solve the problems of not being able to provide anti-flaking, anti-splash or moisture resistance, etc., and achieve unique fixing properties and improved performance needs , Long-term hair retention effect

Inactive Publication Date: 2002-02-27
LUBRIZOL ADVANCED MATERIALS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The composition does not provide better resistance to flakes, splashes or moisture than conventional formulations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 6

[0121] The resin of Example 6 was prepared with ethylene glycol dimethacrylate EGDMA (a bifunctional chain extender), whose reactive groups are quite reactive. The resulting polymer is highly crosslinked and forms a solid gel mass during polymerization. The polymer could not be isolated and detected. In contrast, the polymer of Example 5 prepared with allyl methacrylate formed an easily handled viscous liquid during polymerization.

[0122] As can be seen from Table 2, varying the composition of the monomers enables the preparation of copolymers having different molecular weights and glass transition temperatures, which allows for modification of the desired properties of hair styling compositions compounded with the copolymers.

[0123] Examples of Block Copolymers for Hair Styling Aid Formulations

[0124] Hair styling resins should also include various subjective and objective properties such as easy-to-curl formulation, mistability, feel on hair, washability, curl r...

Embodiment F

[0143] Example F. 55% VOC Aerosol Hair Spray Using 152A Propellant No. Component Weight % 1 SD40-200 Alcohol 55.0 2 Polymer of Example 5 8.0 3 AMP-95 2.0 4 Dymel 152A 35.0

[0144] Add ingredients 1-4 and mix in container until clear solution is obtained. Place this formula in an aerosol hair spray can. The jar is capped with a standard aerosol drive. Item 5 was added to the tank under pressure. On discharge of the product, the spray form is excellent; a very fine aerosol mist is obtained.

Embodiment G

[0145] Example G. Styling mousse No. Component Weight % 1 Water 81.0 2 Polymer from Example 5 3.5 3 Emulphor on-870 0.5 4 Propellant A-46 15.0

[0146] Add ingredients 1-3 and mix in container until clear solution is obtained. Place this formula in an aerosol mousse jar. The jar was capped with a standard mousse drive. Item 4 was added to the tank under pressure. On discharging the product, a viscous, creamy foam was obtained.

[0147] The following examples serve to illustrate the range of applications for which the film-forming copolymers of the present invention can be used. ultrasound diagnostic gel

[0148] 0.5% Carbomer thickener

[0149] 2.0% polymer of Example 7

[0150] 0.25%NaOH

[0151] 5.0% Glycerin to 100% Water + Preservative Zinc Oxide Ointment

[0152] 1.2% polymer of Example 10

[0153] 1.0% Triethanolamine

[0154] 14.0% Glycerin to 100% Water + Parabens Furniture Polish

[0155] 1.0% polymer of Example 10

[0156] 5.0% silicone oil emulsion (30% ...

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PUM

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Abstract

A block copolymer for hair styling compositions includes hydrophilic and hydrophobic blocks which allow for optimization of desirable characteristics of the hair styling composition, such as style retention at high humidity, tack, hardness, resistance to flaking, and washability from the hair. The copolymer includes a polyacrylate backbone of hydrophobic blocks, with hydrophilic acrylate side chains. The copolymer is suitable for the formulation of a number personal care, household, hair care, skin care and other formulation. The copolymer is suited to incorporation into low VOC hydra-alcoholic hair styling compositions to meet reduced VOC regulations.

Description

Background of the invention [0001] The present invention relates to novel polymers containing branched / block copolymer structures for the treatment of keratinous substrates, and in particular to cosmetic compositions incorporating such polymers, such as hairsprays, hair conditioners, hair styling lotions, styling creams and the like. The polymers provide cosmetic compositions with higher hold, less flakiness and better styling than conventional polymers used in hair and similar cosmetic preparations. [0002] Natural and synthetic polymers, usually incorporated into aqueous or aqueous / alcoholic solutions, are currently used as pomades, hair styling lotions, and the like. The function of this polymer is to give the hair "shape" and hold. [0003] Currently, the main polymers or polymers used in hairsprays, styling lotions and hair conditioners include polyvinylpyrrolidone (PVP) homopolymers and copolymers, half esters of polyvinyl ether-maleic anhydride, polyvinyl acetate - C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/72A61K8/00A61K8/02A61K8/06A61K8/81A61K8/90A61Q5/02A61Q5/06A61Q9/02C08F265/04C08F291/00C08F293/00C11D3/20
CPCC08F291/00A61Q5/06C08F265/04A61K8/90C08F293/00
Inventor R·伽勒古罗斯D·J·史密斯S·P·坎斯坦缇诺
Owner LUBRIZOL ADVANCED MATERIALS INC
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