Aqueous hair styling compositions

Details Aqueous hair styling compositions Aqueous hair styling compositions

2000-12-15

2003-07-01

Gupta, Yogendra N. (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

C510S122000, C510S123000, C510S127000, C510S129000, C424S070100, C424S070110, C424S070150, C424S070160, C424S070170, C424S070210, C424S070220, C424S070270, C424S070310

Reexamination Certificate

active

06586378

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to aqueous hair styling compositions, for example creams, gels and especially aerosol hair styling mousses, which incorporate an oily or fatty material and which have improved strength and durability of hair hold and superior sensory feel.
BACKGROUND OF INVENTION AND PRIOR ART
Hair styling compositions such as hair styling mousses provide human hair with a temporary set which can be removed by water or by shampooing, and function by applying a thin film of a resin or gum onto the hair to adhere adjacent hairs together so that they retain the particular shape or configuration at the time of application.
Conventional hair styling mousses typically utilise a hair setting polymer, water, surfactant and propellant gas, with optional adjuvants such as aesthetic agents, fragrance and hair conditioning agents. The conditioning agents used have included silicone-type materials.
EP 0 523 388 discloses an aqueous hair styling aid or mousse composition incorporating a non-volatile silicone compound or other water-insoluble, emulsifiable conditioning agent. The preferred non-volatile silicone compound is a 3:1 mixture of a low molecular weight polydimethylsiloxane fluid and a higher molecular weight polydimethylsiloxane gum.
EP 0 205 306 discloses the use of high molecular weight silicone materials in styling mousses. These are defined as polydiorganosiloxanes having a viscosity of at least 100,000 cst. The high molecular weight silicone is dissolved in the propellant phase prior to filling the aerosol container.
A problem is that those silicone materials which are typically used as conditioning agents in hair care applications tend to make the hair too soft to form and retain a style.
The present inventors have surprisingly discovered that the strength and durability of hair hold delivered by a hair styling resin in an aqueous hair styling aid such as a hair styling mousse can be significantly increased by the inclusion in the formulation of certain oily or fatty materials. In particular, hair styling aids of the invention provide tough elastic films on the hair which spread more easily on hair to provide more sites for bonding than conventional styling aids. Advantageously, hair styling aids of the invention also exhibit superior sensory feel, in particular improved softness, shine and conditioning. Furthermore, compositions of the invention are able to protect hair against damage, and show a surprising benefit with respect to the reduction of split end formation.
DEFINITION OF THE INVENTION
The present invention provides an aqueous hair styling composition comprising:
(i) from 0.1% to 40%, by weight based on total weight, of oily or fatty material, the oily or fatty material including at least one material selected from hydrocarbon oils and glyceride fatty esters.
(ii) from 0.1% to 10%, by weight based on total weight, of a hair styling polymer;
(iii) from 0% to 30%, by weight based on total weight, of an aerosol propellant; and
(iv) from 0% to 5%, by weight based on total weight, of a surfactant.
DETAILED DESCRIPTION OF THE INVENTION
(i) Oily or Fatty Material
Suitable oily or fatty materials for use in compositions of the invention will generally have a viscosity at ambient temperature of from 10
−4
to 1.0 Pa.s, preferably from 10
−3
to 0.5 Pa.s, more preferably from 5×10
−3
to 0.15 Pa.s as measured by a Carri-Med CSL2 100 controlled stress rheometer, from TA Instruments Inc.
The oily or fatty material in compositions of the invention includes at least one material selected from hydrocarbon oils and glyceride fatty esters.
Suitable hydrocarbon oils include cyclic hydrocarbons, straight chain aliphatic hydrocarbons (saturated or unsaturated), and branched chain aliphatic hydrocarbons (saturated or unsaturated). Straight chain hydrocarbon oils will preferably contain from about 8 to about 19 carbon atoms. Branched chain hydrocarbon oils can and typically may contain higher numbers of carbon atoms, e.g. from about 5 up to about 70 carbon atoms, preferably from about 8 up to about 50 carbon atoms. Also suitable are polymeric hydrocarbons of alkenyl monomers, such as C2-C6 alkenyl monomers. These polymers can be straight or branched chain polymers. The straight chain polymers will typically be relatively short in length, having a total number of carbon atoms as described above for straight chain hydrocarbons in general. The branched chain polymers can have substantially higher chain length. The number average molecular weight of such materials can vary widely, but will typically be up to about 500, preferably from about 200 to about 400, more preferably from about 300 to about 350.
Specific examples of suitable hydrocarbon oils include paraffin oil, mineral oil, saturated and unsaturated dodecane, saturated and unsaturated tridecane, saturated and unsaturated tetradecane, saturated and unsaturated pentadecane, saturated and unsaturated hexadecane, and mixtures thereof. Branched-chain isomers of these compounds, as well as of higher chain length hydrocarbons, can also be used. Exemplary branched-chain isomers are highly branched saturated or unsaturated alkanes, such as the permethyl-substituted isomers, e.g., the permethyl-substituted isomers of hexadecane and eicosane, such as 2,2,4,4,6,6,8,8-dimethyl-10-methylundecane and 2,2,4,4,6,6-dimethyl-8-methylnonane, sold by Permethyl Corporation. A further example of a hydrocarbon polymer is polybutene, such as the copolymer of isobutylene and butene. A commercially available material of this type is L-14 polybutene from Amoco Chemical Co. (Chicago, Ill., U.S.A.).
Particularly preferred hydrocarbon oils are the various grades of mineral oils. Mineral oils are clear oily liquids obtained from petroleum oil, from which waxes have been removed, and the more volatile fractions removed by distillation. The fraction distilling between 250° C. to 300° C. is termed mineral oil, and it consists of a mixture of hydrocarbons, in which the number of carbon atoms per hydrocarbon molecule generally ranges from C
10
to C
40
. Suitable commercially available materials of this type include Sirius M40 (carbon chain length C
10
-C
30
, viscosity 5.5×10
−3
Pa.s), Sirius M85 (carbon chain length C
10
-C
40
, viscosity 2.7×10
−2
Pa.s) and Sirius M340 (carbon chain length C
15
-C
40
, viscosity 1.5×10
−1
Pa.s), all available from Silkolene.
By “glyceride fatty esters” is meant the mono-, di-, and tri-esters formed between glycerol and long chain carboxylic acids such as C
8
-C
22
carboxylic acids. A variety of these types of materials are present in vegetable and animal fats and oils, such as camellia oil, coconut oil, castor oil, safflower oil, sunflower oil, peanut oil, cottonseed oil, corn oil, olive oil, cod liver oil, almond oil, avocado oil, palm oil, sesame oil, lanolin and soybean oil. These have various ranges of carbon chain lengths depending on the source, typically between about 12 to about 18 carbon atoms. Synthetic oils include trimyristin, triolein and tristearin glyceryl dilaurate. Specific examples of preferred materials for inclusion in compositions of the invention as sources of glyceride fatty esters include camellia oil, coconut oil, sunflower oil, peanut oil, palm oil and soybean oil.
Other suitable oily or fatty materials which may be present in combination with the hydrocarbon oils and/or glyceride fatty esters in compositions of the invention include other fatty esters.
In general, fatty esters are characterised by having at least 10 carbon atoms, and include esters with hydrocarbyl chains derived from fatty acids or alcohols, e.g., monocarboxylic acid esters, polyhydric alcohol esters, and di- and tricarboxylic acid esters. The hydrocarbyl radicals of the fatty esters can also include or have covalently bonded thereto other compatible functionalities, such as amides and alkoxy moieties, such as ethoxy or ether linkages.
Monocarboxylic acid esters include esters of alcohols and/or acids of the formula R′COOR in which R&prime

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