Hair care compositions with diquaternary silicone polymers

Details Hair care compositions with diquaternary silicone polymers Hair care compositions with diquaternary silicone polymers

2002-01-24

2004-02-24

Venkat, Jyothsna (Department: 1615)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

C424S070190, C424S070270, C424S070280

Reexamination Certificate

active

06696052

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to hair care compositions containing a combination of a selected amine and/or a quaternized amine, especially an amidoamine and/or quaternized amidoamine, and a terminal functionalized diquaternary silicone compound.
2. Description of the Related Art
The trend in hair care products is to provide the best possible care (“hair consciousness”). The users of hair treatment compositions are often concerned that their hair is strongly affected by hair treatment agents, such as permanent wave composition or dye compositions, or by the environment. Care products must help care for the hair, especially damaged hair, but at the same time the hair must appear natural, i.e. not loaded. Good care can of course be obtained with conventional hair care compositions for damaged hair (e.g. by dimethicone in various formulae), however they load the hair. The requirements or demands on cosmetic care compositions in regard to their many properties and environmental friendliness of their active ingredients are always increasing. The requirements that the care compositions should provide optimum care properties without producing undesirable effects on the user and an undesirable load on the environment are entirely decisive in determining whether or not a particular composition is selected or marketed. Also the care composition should increase the luster of the hair. Moreover these compositions must have sufficient stability and must be easy to handle.
The cationic surfactant, distearyldimethylammonium chloride (DSDMAC, INCI-name: Quaternium-18) is a known highly effect cationic care material. Especially it is contained in spray care compositions and foam care compositions. DSDMAC was widely used in the past in hair care compositions and today, above all, is used in treatments, which especially have care action (good care, little loading), and primarily in connection with polymeric silicone compounds. The primary disadvantage of these substances is that they are poorly biologically degradable. Moreover they have a highly aquatic toxicity and strongly load the environment. If DSDMAC were to be replaced by other conventional quaternary compounds, such as monoalkylquats (cetyltrimethylammonium chloride) or so-called ester quats, the highly effective application properties of the DSDMAC are not achieved.
On the other hand, cationic surfactants cannot be avoided in hair care compositions. In this connection the problem is that, in the case of liquid spray or foam cosmetic compositions, on the one hand, they must have a low viscosity and, on the other, they must form a stable emulsion. The use of, e.g., distearyldimethyl ammonium chloride or analogous quaternary ammonium compounds of course fulfills these conditions, however the use of these compounds in cosmetic compositions is no longer considered appropriate because of the above-described disadvantages.
WO 00/45787 describes hair care compositions characterized by containing a combination of at least one ester of an aliphatic, linear or branched carboxylic acid with a primary or secondary, branched or unbranched alcohol and an amine and/or a quaternized amine of the following formulae Ia and Ib:
wherein R1 represents an acyl or alkyl group having 8 to 24 carbon atoms, which can be branched or unbranched, saturated or unsaturated, and wherein the acyl group and/or the alkyl group can contain at least one OH group;
wherein R2, R3 and R4 each represent, independently of each other, hydrogen or an alkyl group with from 1 to 4 carbon atoms, which can be saturated or unsaturated; X
−
is an anion and n is a whole number from 1 to 10.
These hair care compositions are however not completely satisfactory in meeting all the requirements.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a hair care composition having improved care properties, especially the feel and combability of the treated hair in the moist and dry state as well as a reduced load on the hair.
This object is attained in a hair care composition according to the invention containing a combination of
(A) at least one amine of formula Ia, R1—NH—(CH
2
)
m
—NR2R3, and/or at least one quaternized amine of formula Ib, R1—NH—(CH
2
)
m
—N
+
R2R3R4 X
−
,
wherein R1 represents an acyl or alkyl group having 8 to 24 carbon atoms, which can be branched or unbranched, saturated or unsaturated, and
wherein the acyl group and/or the alkyl group can be substituted with or contain at least one OH group;
wherein R2, R3 and R4 each represent, independently of each other, an alkyl group or an alkoxyalkyl group with from 1 to 6 carbon atoms, which can be saturated or unsaturated or substituted with one or more hydroxy groups or not substituted; X
−
is an anion and n is a whole number from 1 to 10; and
(B) at least one terminally functionalized diquaternary silicone compound, especially at least one terminally functionalized diquaternary silicone polymer compound.
The hair care composition according to the invention provides both improved hair care and also reduces the load on the hair. This will be proven by means of the comparative experiments describe hereinbelow.
The cosmetic care composition according to the invention is a sprayable or foamable composition. It can be employed for all known cosmetic application, which relate to the hair. The hair care composition according to the invention, for example, especially is in the form of a spray care composition, a foam care composition, a rinse or a treatment. The hair care composition according to the invention can either be rinsed from the hair after a suitable acting time or can be left on the hair after application on the dry, moist or wet hair. The acting time depends on the type of hair. As a general guideline, the acting time can be between 0.5 to 30 minutes, especially between 0.5 and 10 minutes, preferably between 1.0 and 5.0 minutes.
Surprisingly a cosmetic hair care composition, preferably a liquid hair care composition, prepared with a combination of an amine and/or a quaternized amidoamine of the general formulae (Ia) and/or (Ib) and a terminal functionalized diquaternary silicone compound is suitable in an outstanding manner. This composition provides outstanding improved hair care properties. Surprisingly also the load on the hair produced with this hair care composition is not only not increased (which is usually the case when care action is improved), but is even reduced.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Hair care compositions according to the invention are preferred, in which the amines and/or the quaternized amines of the formulae (Ia) and/or (Ib) are amidoamines and/or quaternized amidoamines, wherein R1represents a branched or unbranched, saturated or unsaturated acyl group with 8 to 24 carbon atoms, which can optionally contain at least one OH group.
Those amines and/or quaternized amines are preferred for the combination according to the invention, in which R1 in the formulae (Ia) and/or (Ib) is a fatty acid group, especially derived from an oil or wax, preferably a natural oil or wax. Lanolin, beeswax and candellila wax are examples that should be considered.
Also those amines and/or quaternized amines are preferred, in which at least one of the groups R2, R3 and R4 of the formulae (Ia) and/or (Ib) represent a group of the general formula, —CH
2
CH
2
OR5, wherein R5 can have the significance of an alkyl group with 1 to 4 carbon atoms, hydroxyethyl or H. The preferred size of n in the general formulae (Ia) and/or (Ib) is a number between 2 and 5.
Amines and/or quaternized amines of the general formula (Ia) and/or (Ib) are preferred, in which the anion X
−
is a halogenide or a compound of general formula RSO
3
−
, wherein R has the significance of a saturated or unsaturated alkyl group with one to four carbon atoms and the alkyl groups can contain one or more hydroxyl groups.
Amines or aminoamines used in the compositions according to the invention, which can be optionally quaternized, for ex

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