Liquid compositions comprising oxyalkylated polyglycerol esters
View Patent ↗Compositions are described which comprise oxyalkylated polyglycerol esters, one or more organic solvents and water. The compositions are exceptionally suitable for the thickening of surfactant-containing systems.
1. A composition in liquid form comprising
a) 20 to 95 weight percent based on a total composition of at least one oxyalkylated polyglycerol ester of the formula (1)
wherein
A 1 , A 2 and
A 3 are —C 2 H 4 ,
B 1 , B 2 and
B 3 independently of one another are in each case hydrogen or a group of the formula —COR, where at least one of the radicals B 1 , B 2 or B 3 is a group of the formula —COR,
R is C 7 -C 21 -alkyl,
n is on average a number from 1.8 to 5 and
x, y and z are numbers from 0 to 100, where the sum of x, y and z is 130 to 170,
b) an organic solvent or organic solvent mixture selected from the group consisting of:
PEG-6 caprylic/capric glycerides. a polyethylene glycol derivate of a mixture of mono-, di- and triglycerides of caprylic and capric acids with, on average, 6 mol of ethylene oxide and PEG-7 glyceryl cocoate, a polyethylene glycol ether of glyceryl cocoate with, on average, 7 mol of ethylene oxide per 1 mol of glycerol
and mixtures thereof, and
c) water, wherein the weight ratio of water to organic solvent or organic solvent mixture is from 3:1 to 1:3.
2. A method for thickening surfactant-containing systems, said method comprising adding a thickener comprising the compound of claim 1 to the surfactant-containing systems.
3. A method for preparing a cosmetic, dermatological or pharmaceutical product, said method comprising adding the compound of claim 1 to the cosmetic, dermatological or pharmaceutical product.
4. A cosmetic, dermatological or pharmaceutical product comprising the liquid composition of claim 1 .
5. The cosmetic, dermatological or pharmaceutical product as claimed in claim 4 , which is a shampoo, shower bath, shower gel, foam bath, gel, a lotion, cream or ointment.
6. A composition according to claim 1 , comprising
a) at least one oxyalkylated polyglycerol ester of the formula (1)
wherein
A 1 , A 2 and
A 3 are —C 2 H 4 ,
B 1 , B 2 and
B 3 are independently of one another, a hydrogen or a stearoyl radical wherein at least one of the radicals B 1 , B 2 or B 3 is a stearoyl radical,
n is 2, and
x, y and z are numbers from 0 to 100, where the sum of x, y and z is about 148.
7. A composition according to claim 1 , wherein the organic solvent is selected from the group consisting of: PEG-6 caprylic/capric glycerides, polyethylene glycol derivates of a mixture of mono-, di- and triglycerides of caprylic and capric acids with, on average, 6 mol of ethylene oxide.
8. A composition in liquid form comprising
a) 30 to 95 weight percent based on a total composition of at least one oxyalkylated polyglycerol ester of the formula (1)
wherein
A 1 , A 2 and
A 3 are —C 2 H 4 ,
B 1 , B 2 and
B 3 are independently of one another are in each case hydrogen or a group of the formula —COR, where at least one of the radicals B 1 , B 2 or B 3 is a group of the formula —COR,
R is C 7 -C 21 -alkyl,
n is on average a number from 1.8 to 5, and
x, y and z are numbers from 0 to 100, where the sum of x, y and z is 130 to 170,
b) an organic solvent or organic solvent mixture selected from the group consisting of:
PEG-6 caprylic/capric glycerides, a polyethylene glycol derivate of a mixture of mono-, di- and triglycerides of caprylic and capric acids with, on average, 6 mol of ethylene oxide and PEG-7 glyceryl cocoate, a polyethylene glycol ether of glyceryl cocoate with, on average, 7 mol of ethylene oxide per 1 mol of glycerol
and mixtures thereof, and
c) water, wherein the weight ratio of water to organic solvent or organic solvent mixture is from 3:1 to 1:3.
9. A composition in liquid form comprising
a) 20 to 95 weight percent based on a total composition of at least one oxyalkylated polyglycerol ester of the formula (1′)
wherein
A 1 , A 2 and
A 3 are —C 2 H 4 ,
B 1 , B 2 , B3 and
B′ 3 wherein exactly 1 of the 4 groups B 1 , B 2 , B′ 3 is hydrogen, and the other 3 groups are stearoyl
x, y and z are numbers from 0 to 100, where the sum of x, y and z is about 148
b) an organic solvent or organic solvent mixture selected from the group consisting of:
PEG-6 caprylic/capric glycerides, a polyethylene glycol derivate of a mixture of mono-, di- and triglycerides of caprylic and capric acids with, on average, 6 mol of ethylene oxide and PEG-7 glyceryl cocoate, a polyethylene glycol ether of glyceryl cocoate with, on average, 7 mol of ethylene oxide per 1 mol of glycerol
and mixtures thereof, and
c) water, wherein the weight ratio of water to organic solvent or organic solvent mixture is from 3:1 to 1:3.