OEM textile finishing compositions
Crosslinked aminosiloxanes obtainable by reaction of identical or different aminosiloxanes with identical or different epoxide components which are water-soluble hydrocarbons, the hydrocarbons comprising oxygen as well as carbon, and optionally further elements selected from nitrogen, sulphur and phosphorus, the hydrocarbon having on average more than one terminal epoxy group, the epoxy group being a carbooxirane radical, and, further, not more than 50% of all the amino groups having undergone reaction with an epoxide group.
1. A crosslinked aminosiloxane obtained by reaction of identical or different amine-substituted siloxanes with identical or different epoxide components which are water-soluble hydrocarbons, the hydrocarbons comprising oxygen and carbon, the hydrocarbon having on average more than one terminal epoxy group, the epoxy group being a carbooxirane radical, and, further, not more than 50% of all the amino groups having undergone reaction with an epoxide group
wherein the epoxide components are epoxy-substituted polyethers of formula (II)
R 3 —X-M 1 h -M 2 j -M 3 k -M 4 l -M 5 m -R 3 (II)
h=greater than 0 to 50;
j=0 to 10;
k=0 to 10;
l=greater than 1 to 10;
m=0 to 10;
where the sum of the indices h, j, k, l+m is at least 3,
X=oxygen,
R 3 =independently at each occurrence hydrogen, a hydrocarbon having 1 to 8 carbon atoms, and/or the gycidyl radical
where in M 3 , the radicals X 1 to X 4 independently of one another are hydrogen or linear, cyclic or branched, aliphatic or aromatic, saturated or unsaturated hydrocarbon radicals having 1 up to 50 C atoms, wherein X 1 to X 4 are not selected such that M 3 is the same as M 1 or M 2 ,
where R 4 in M 4 independently at each occurrence is a hydrocarbon radical having 2 to 20 carbons, and may be interrupted by heteroatoms, M 4 is a glycidyl ether=
where R 5 in M 5 independently at each occurrence is not present or is a divalent hydrocarbon having 1 to 10 carbon atoms.
2. The crosslinked aminosiloxane according to claim 1 , wherein the amine-substituted siloxanes conform to the formula (I)
M a M A b D c D A d T e T A f Q g (I)
where
M=[R 1 3 SiO 1/2 ]
M A =[R 2 R 1 2 SiO 1/2 ]
D=[R 1 2 SiO 2/2 ]
D A =[R 2 R 1 SiO 2/2 ]
T=[R 1 SiO 3/2 ]
T A =[R 2 SiO 3/2 ]
Q=[SiO 4/2 ],
where
R 1 independently at each occurrence is identical or different, linear or branched, saturated or unsaturated hydrocarbon radicals having 1 to 30 carbon atoms or else aromatic hydrocarbon radicals having 6 to 30 carbon atoms,
R 2 independently at each occurrence is a hydrocarbon radical which is substituted by at least one nitrogen atom and has 1 to 30 carbon atoms,
a=0 to 20,
b=0 to 10,
c=10 to 5000,
d=0 to 50,
e=0 to 20,
f=0 to 500,
g=0 to 20.
3. The crosslinked aminosiloxane according to claim 1 , wherein the epoxide components are water-soluble hydrocarbons, the hydrocarbons comprising oxygen as well as carbon, the hydrocarbon having at least one chain which in turn has at least two oxygen atoms separated by at least one carbon atom and the hydrocarbon having on numerical average more than one terminal epoxy group.
4. The crosslinked aminosiloxane according to claim 1 , wherein the epoxy-substituted polyethers of the formula (II) have a molar mass of 200 to 1500 g/mol.
5. The crosslinked aminosiloxane according to claim 1 , wherein the epoxy-substituted polyethers of formula (II) are colorless.
6. The crosslinked aminosiloxane according to claim 1 , wherein the crosslinked aminosiloxanes have less than 10 wt %, but at least 0.01 wt %, polyether fraction.
7. The crosslinked aminosiloxane according to claim 1 , wherein at least 50% of the primary amino groups of the crosslinked siloxanes have not undergone reaction by crosslinking with epoxide groups.
8. The process for preparing the crosslinked aminosiloxane according to claim 1 .
9. A composition comprising the crosslinked aminosiloxane of claim 1 .
10. The composition according to claim 9 , wherein they comprise from 0.1 wt % to 5 wt %, based on the mass of the crosslinked aminosiloxane, of an acid.
11. A formulation comprising the composition according to claim 9 , wherein the formulation is emulsifier-free.
12. A household product including fabric softener and hair conditioner wherein the household product comprised the crosslinked aminosiloxane of claim 1 .
13. The crosslinked aminosiloxane according to claim 1 wherein the hydrocarbons may further consist of elements selected from the group consisting of nitrogen, sulphur and phosphorus.
14. The crosslinked aminosiloxane according to claim 1 wherein the epoxide components the hydrocarbon having at least one chain which in turn has at least two oxygen atoms separated by at least two carbon atoms, and the hydrocarbon having on numerical average more than two terminal epoxy groups.
15. The crosslinked aminosiloxane according to claim 1 , wherein the epoxide components are epoxy-substituted polyethers of formula (II)
(II)
h=from 4 to 15;
j=0 to 5;
k=0;
l=from 2 to 5;
m=0;
where the sum of the indices h, j, k, l+m is at least 5,
X =oxygen,
R 3 =independently at each occurrence hydrogen, a hydrocarbon having 1 to 8 carbon atoms and/or the gycidyl radical
where in M 3 , the radicals X 1 to X 4 independently of one another are hydrogen or linear, cyclic or branched, aliphatic or aromatic, saturated or unsaturated hydrocarbon radicals having 1 up to 50 C atoms, wherein X 1 to X 4 are not selected such that M 3 is the same as M 1 or M 2 ,
where R 4 in M 4 independently at each occurrence is a hydrocarbon radical having 2 to 20 carbons, and may be interrupted by heteroatoms, M 4 is a glycidyl ether=
where R 5 in M 5 independently at each occurrence is not present or is a divalent hydrocarbon having 1 to 10 carbon atoms.
16. The crosslinked aminosiloxane according to claim 2 , wherein the epoxy-substituted polyethers of the formula (II) have a molar mass of 200 to 1500 g/mol.