Tenside composition containing gemini tensides and co-amphiphiles and production and use thereof

Abstract

The subject invention relates to surfactant compositions of gemini surfactants and co-amphiphile(s), to a process for preparing such compositions, and to their uses, especially as emulsifiers and dispersants.

1 . (canceled)  
   
   
       2 . The surfactant composition of  claim 49 , characterized in that the surfactant composition comprises 
 (A) 5 to 60 wt %, referring to components (A) and (B), of said gemini surfactant.    
   
   
       3 . The surfactant composition according to  claim 49 , further comprising 
 (C) at least 0.1 wt % water, referring to the total composition.    
   
   
       4 . A surfactant composition according to  claim 49 , further comprising 
 (D) at least 0.1 wt % of one or more oil component(s), referring to the total composition.    
   
   
       5 . A surfactant composition according to  claim 49 , wherein the co-amphiphile is selected from the group consisting of 
 a C 6 - to C 40 -alcohol,    a C 6 - to C 24 -carboxylic acid,    a sorbitan(C 6 - to C 22 -)ester,    a methylglucoside(C 6 - to C 22 -)ester,    a sugar(C 6 - to C 22 -)ester,    a mono-, di-, or triglyceride of a C 6 - to C 22 -carboxylic acid,    a lactic acid- or citric acid-esterified derivative of the mono- or diglycerides of a C 6 - to C 22 -carboxylic acid,    a polyglycerol(C 6 - to C 22 -)ester,    a propyleneglycol(C 6 - to C 22 -)ester,    a vitamin ester,    salicylic acid,    benzoic acid,    lecithin, and    mixtures thereof.    
   
   
       6 . A surfactant composition according to  claim 49  in the form of an emulsion, characterized in that the co-amphiphiles is present in solid form at 25° C.  
   
   
       7 . A surfactant composition according to  claim 49  in the form of a dispersion, characterized in that the co-amphiphiles is present in liquid form at 25° C.  
   
   
       8 . A surfactant composition according to any one of claims  5  or  49 , characterized in that at least two different co-amphiphiles are employed.  
   
   
       9 . A surfactant composition according to  claim 49 , wherein at least one co-amphiphiles is 
 a C 6 - to C 40 -alcohol,    a mono-, di-, and triglyceride of C 6 - to C 22 -carboxylic acid, and    mixtures thereof.    
   
   
       10 . A surfactant composition according to  claim 9 , characterized in that the surfactant composition comprises 
 30 to 50 wt % of C 6 - to C 40 -alcohol,    30 to 50 wt % of a mono-, di-, and triglyceride of a C 6 - to C 22 -carboxylic acid, and    mixtures thereof,    each referring to the gemini surfactant/co-amphiphile(s) composition.    
   
   
       11 . A surfactant composition according to  claim 49  in the form of an emulsion, characterized in that the surfactant composition can be produced by a method (phase transfer temperature (PTT) method), which includes at least the following step: combining 
 (a) a composition (a) comprising the gemini surfactant (A) wherein the composition has a temperature X, with    (b) a composition (b) comprising the co-amphiphile (B) wherein the composition has a temperature Y,    the temperature Y being greater than temperature X.    
   
   
       12 . The surfactant composition of  claim 11 , characterized in that the temperature Y is not more than 15° C. higher than the critical phase transfer temperature of the surfactant in composition (b).  
   
   
       13 . Surfactant compositions according to  claim 12 , characterized in that the temperatures X and Y are different by at least 3° C.  
   
   
       14 - 15 . (canceled)  
   
   
       16 . A surfactant composition according to claim  14 , characterized in that the hydrophobic double group comprises a C 6 - to C 24 -hydrocarbon residue each and/or the hydrophilic double (head) group comprises an at least monoalkoxylated residue with a sulfonic acid-, carboxylic acid-, phosphonic acid-, polyalcohol-, or polyalkylene oxide group, or salt thereof.  
   
   
       17 . A surfactant composition according to  claim 49  characterized in that the surfactant composition comprises 0.01 to 30 wt % of the components (A) and (B), referring to the total composition.  
   
   
       18 - 31 . (canceled)  
   
   
       32 . The surfactant composition of  claim 49  wherein said gemini surfactants is present in an amount of from 10 to 60 wt %.  
   
   
       33 . The surfactant composition of  claim 49  wherein said gemini surfactants is present in an amount of from 10 to 50 wt %.  
   
   
       34 . The surfactant composition of  claim 5  wherein said alcohol is a C 8 - to C 24 -alcohol.  
   
   
       35 . The surfactant composition of  claim 5  wherein said carboxylic acid is a C 8 - to C 22 -carboxylic acid.  
   
   
       36 . The surfactant composition of  claim 5  wherein 3 to 5 different co-amphiphiles are employed.  
   
   
       37 . The surfactant composition of  claim 9  wherein said alcohol is a C 8 - to C 24 -alcohol.  
   
   
       38 . The surfactant composition of  claim 10  wherein said alcohol is a C 8 - to C 24 -alcohol.  
   
   
       39 . The surfactant composition of  claim 11  wherein said composition (a) contains water.  
   
   
       40 . The surfactant composition of  claim 11  wherein said composition (b) contains an oil component.  
   
   
       41 . The surfactant composition of  claim 12  wherein the temperatures X and Y are different by at least 5° C.  
   
   
       42 . The surfactant composition of  claim 17  wherein the surfactant composition comprises 0.1 to 6 wt % of the components (A) and (B), referring to the total composition.  
   
   
       43 - 48 . (canceled)  
   
   
       49 . A surfactant composition comprising 
 (A) 1 to 70 wt %, referring to components (A) and (B), of a gemini surfactant having the general formula (A.II).                        wherein    R 1 , R 3  are C 5 - to C 25 -alkyl group that can be branched, unbranched, saturated, or unsaturated as far as not adjacently diunsaturated;    R 2  is C 1 - to C 12 -alkylene;    X, Y are (C 2 H 4 O—) x (C 3 H 6 O—) y —FR; x+y≧1, x: 0-15, y: 0-10; and    FR is —SO 3 M, —CH 2 —CO 2 M, —P(O)(OM) 2 , H, —C 3 H 6 SO 3 M, —CH 2 (CHOH) 4 CH 2 OH, insofar as x+y=0,    wherein M=alkali, (alkyl)ammonium, alkanol ammonium, H, or ½ alkaline earth.      (B) referring to the remainder, based on the total of components (A) and (B), one or more co-amphiphile(s) having an HLB value of less than or equal to 6.