Product for keratin fibers, containing at least one copolymer based on vinylpyrrolidone and at least one copolymer based on acrylates
The disclosure relates to a cosmetic product for temporary shaping keratin fibers, in particular human hair, containing a combination of a copolymer A based on vinylpyrrolidone with copolymer B based on acrylates. Said cosmetic product has a good level of moisture resistance. The disclosure also relates to the use of said cosmetic product and to a method for temporary shaping keratin fibers using said product.
1. A cosmetic agent for temporary shaping of keratinic fibers, comprising in a cosmetically tolerable vehicle:
a) at least one copolymer A, consisting of at least one structural unit of formula (I) and at least one structural unit of formula (II) and at least one structural unit of formula (III):
where
R 1 and R 4 each independently of one another stand for hydrogen or a C 1-4 alkyl group,
X stands for oxygen or an NH group,
Y stands for a C 2-10 alkyl group,
R 2 , R 3 , R 6 , R 8 each independently of one another stand for a C 1-8 alkyl group,
R 7 stands for a linear or branched, saturated or unsaturated C 6-30 alkyl group and
X − stands for a physically tolerable anion,
b) at least one copolymer B comprising at least one structural unit of formula (IV) and at least one structural unit of formula (V) and at least one structural unit of formula (VI):
where
R 8 , R 9 and R 11 each independently of one another, stand for hydrogen or a C 1-4 alkyl group,
R 10 stands for a C 1-6 alkyl group,
X stands for oxygen or an NH group,
A stands for a group *—(CH 2 CH 2 O) n —* or for a group *—(CH 2 CHMeO) m —* or for a group *—(CH 2 CH 2 O) n —(CH 2 CHMeO) m —* where n and m, each independently of one another, stand for integers from 5 to 35,
R 12 stands for a linear or branched, saturated or unsaturated C 8-30 alkyl group, and
c) at least one alkaline compound.
2. The cosmetic agent according to claim 1 , wherein the copolymer A consists of at least one structural unit of formula (I) and at least one structural unit of formula (IIa) and at least one structural unit of formula (IIIa):
3. The cosmetic agent according to claim 1 , wherein copolymer B comprises at least one structural unit of formula (IVa) and at least one structural unit of formula (IVb) and at least one structural unit of formula (Va) and at least one structural unit of formula (Vb) and at least one structural unit of formula (VIa):
where
R 10 stands for a C 1-6 alkyl group,
R 11 stands for hydrogen or a methyl group and
n stands for integers from 22 to 26.
4. The cosmetic agent according to claim 1 , wherein the at least one copolymer B is present in a total amount of from about 0.01 to about 5.0% by weight, based on the total weight of the cosmetic agent.
5. The cosmetic agent according to claim 1 , wherein the cosmetic agent has a weight ratio of the total amount of the at least one copolymer A to the total amount of the at least one copolymer B of from about 25:1 to about 1:20.
6. The cosmetic agent according to claim 1 , wherein the alkaline compound c) is selected from the group of 2-aminoethan-1-ol (monoethanolamine), tris(2-hydroxyethyl)amine (triethanolamine), 3-aminopropan-1-ol, 4-aminobutan-1-ol, 5-aminopentan-1-ol, 1-aminopropan-2-ol, 1-aminobutan-2-ol, 1-aminopentan-2-ol, 1-aminopentan-3-ol, 1-aminopentan-4-ol, 2-amino-2-methylpropan-1-ol, 1-amino-2-methylpropan-2-ol, 3-aminopropane-1,2-diol, 2-amino-2-methylpropane-1,3-diol, and combinations thereof.
7. The cosmetic agent according to claim 1 , wherein the alkaline compound c) is present in a total amount of from about 0.05 to about 7.0% by weight, based on the total amount of the cosmetic agent.
8. A method for temporary shaping of keratinic fibers, the method comprising:
applying to the keratinic fibers a cosmetic agent comprising in a cosmetically tolerable vehicle:
a) at least one copolymer A, consisting of at least one structural unit of formula (I) and at least one structural unit of formula (II) and at least one structural unit of formula (III):
where
R 1 and R 4 each independently of one another stand for hydrogen or a C 1-4 alkyl group,
X stands for oxygen or an NH group,
Y stands for a C 2-10 alkyl group,
R 2 , R 3 , R 6 , R 8 each independently of one another stand for a C 1-8 alkyl group,
R 7 stands for a linear or branched, saturated or unsaturated C 6-30 alkyl group and
X − stands for a physically tolerable anion,
b) at least one copolymer B comprising at least one structural unit of formula (IV) and at least one structural unit of formula (V) and at least one structural unit of formula (VI):
where
R 8 , R 9 and R 11 each independently of one another, stand for hydrogen or a C 1-4 alkyl group,
R 10 stands for a C 1-6 alkyl group,
X stands for oxygen or an NH group,
A stands for a group *—(CH 2 CH 2 O) n —* or for a group *—(CH 2 CHMeO) m —* or for a group *—(CH 2 CH 2 O) n —(CH 2 CHMeO) m —* where n and m, each independently of one another, stand for integers from 5 to 35,
R 12 stands for a linear or branched, saturated or unsaturated C 8-30 alkyl group, and
c) at least one alkaline compound; and
bringing the keratinic fibers into the desired shape.
9. The cosmetic agent according to claim 1 , wherein the radicals R 1 and R 4 each independently of one other in the structural units of formulas (II) and (III) stand for a hydrogen atom or a methyl group.
10. The cosmetic agent according to claim 1 , wherein the radicals R 2 , R 3 , R 6 and R 8 each independently of one other in the structural units of formulas (II) and (III) stand for a methyl group.
11. The cosmetic agent according to claim 1 , wherein in the structural units of formulas (II) and (III), X stands for an NH group and Y stands for a C 2-6 alkyl group.
12. The cosmetic agent according to claim 1 , wherein in the structural unit of formula (III) the radical R 7 stands for a linear or branched, saturated or unsaturated C 8-12 alkyl group.
13. The cosmetic agent according to claim 1 , wherein the at least one copolymer A is present in a total amount of from about 0.01 to about 5.0% by weight, based on the total weight of the cosmetic agent.
14. The cosmetic agent according to claim 1 , wherein the radicals R 8 , R 9 and R 11 each independently of one another in the structural units of formulas (IV), (V) and (VI) stand for hydrogen or a methyl group.
15. The cosmetic agent according to claim 1 , wherein in the structural unit of formula (VI), X stands for an oxygen atom and A stands for a group *—(CH 2 CH 2 O) n —*, where n denotes integers from about 10 to about 30.
16. The cosmetic agent according to claim 1 , wherein in the structural units of formula (III) the radical R 12 stands for a linear or branched, saturated or unsaturated C 20-24 alkyl group.
17. The cosmetic agent according to claim 1 , wherein the alkaline compound c) is 2-amino-2-methylpropan-1-ol.