Sulphonated comb polymers having a selected lithium/sodium ratio and preparations, in particular hair cosmetic preparations, based on such sulphonated comb polymers

Abstract

Water-soluble and/or water-dispersible comb polymers consisting of a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups.

That which is claimed is:  
     
         1 . A comb polymer that is water-soluble, or water-dispersible, or both, comprising a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups, which side-arms have been at least partially neutralized by sodium and lithium counterions, wherein the molar ratio of lithium to sodium is between 0.1 and 50.  
     
     
         2 . The comb polymer according to  claim 1 , wherein the molar ratio of lithium to sodium is between 0.5 and 25.  
     
     
         3 . The comb polymer according to  claim 1 , wherein the polymer main chain comprises at least one polymer selected from polymeric aliphatic, cycloaliphatic and aromatic polycarboxylic acids and derivatives thereof.  
     
     
         4 . The comb polymer according to  claim 3 , wherein the polymeric polycarboxylic acids and derivatives thereof comprise at least one of polyacrylic acid, polymethacrylic acid, esters of polyacrylic acid or polymethylacrylic acid with at least one C 1 -C 22  aliphatic, cycloaliphatic or aromatic alcohol, maleic acid, maleic anhydride, fumaric acid or polynorbomenic acid.  
     
     
         5 . The comb polymer according to  claim 1 , wherein the polyester side arms comprise at least one polyester selected from:  
       
         
           
           
               
               
           
         
       
       wherein: 
 p and o are selected so that the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol;  
 G is selected from C 2  to C 22  aromatic, aliphatic and cycloaliphatic organyl units containing at least two terminal oxygen atoms, or derivatives of a polyglycol of the formula HO—[R 3 —O] k —[R 4 —O] m —H, corresponding to an organyl unit  
                     
 wherein R 3  and R 4  are each C 2 -C 22  alkylene radicals, and can be the same or different and k+m≧1, wherein k and m are selected so that the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol;  
 D is selected from C 2  to C 22  aromatic, aliphatic and cycloaliphatic organyl units containing at least two terminal acyl groups, optionally including combinations of two or more different acid components comprising an organyl unit of the formula  
                     
 wherein R S  is selected from C 2  to C 22  aromatic and linear or cyclic, saturated or unsaturated aliphatic bifunctional radicals;  
 T is selected from sulphonated aromatic, aliphatic and cycloaliphaic organyl compounds containing at least two terminal acyl groups;  
 R 1  is selected from lithium, sodium and mixtures thereof, and optionally further includes one or more additional counterions; and  
 R 2  is selected from: 
 aromatic, aliphatic and cycloaliphatic amino functional groups —NH—R 5  or —NR 5   2 , wherein R 5  is selected from C 1  to C 22  alkyl and aryl radicals;  
 aromatic, aliphatic and cycloaliphatic monocarboxylic acid groups —COOR 6 , wherein R 6  is selected from C 1  to C 200  alkyl and aryl radicals;  
 aromatic, aliphatic and cycloaliphatic organyl radicals bridged via ether functions —O—R 5 , wherein R 5  is the same as defined above;  
 polyalkoxy compounds bridged via ether functions of the formula —O—[R 7 —O] q —[R 8 —O] r —Y, wherein R 7  and R 8  are each independently selected from C 2  to C 22  alkyl radicals and can be the same or different, Y is hydrogen or a C 1 -C 22  aliphatic radical, and q+r≧1; and  
 mono- or polyethoxylated sulphonated organyl radicals bridged via ether functions, and alkali metal or alkaline earth metal salts thereof.  
 
 
     
     
         6 . The comb polymer according to  claim 5 , wherein p and o are selected so that the average molecular weight of the comb polymer is between 2000 and 100,000 g/mol.  
     
     
         7 . The comb polymer according to  claim 5 , wherein said one or more additional counterions of R 1  are selected from potassium, magnesium, calcium, ammonium, monoalkylammonium, dialkylammonium, trialkylammonium and tetraalkylammonium, wherein the alkyl positions of the amines, independently of one another, comprise a C 1  to C 22 -alkyl radical and 0 to 3 hydroxyl groups.  
     
     
         8 . The comb polymer according to  claim 5 , wherein said mono- or polyethoxylated sulphonated organyl radicals bridged via ether functions of R 2  comprise a radical of the formula —(O—CH 2 —CH 2 ) s —SO 3 R 1 , wherein s≧1 and is selected so that the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol.  
     
     
         9 . The comb polymer according to  claim 1 , wherein the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol.  
     
     
         10 . The comb polymer according to  claim 9 , wherein the average molecular weight of the comb polymer is between 2000 and 100,000 g/mol.  
     
     
         11 . The comb polymer according to  claim 10 , wherein the average molecular weight of the comb polymer is between 1000 and 30,000 g/mol.  
     
     
         12 . The comb polymer according to  claim 11 , wherein the average molecular weight of the comb polymer is between 5000 and 15,000 g/mol.  
     
     
         13 . A hair treatment composition comprising an effective amount of one or more comb polymers that are water-soluble, or water-dispersible, or both, comprising a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups, which side-arms have been at least partially neutralized by sodium and lithium counterions, wherein the molar ratio of lithium to sodium is between 0.1 and 50.  
     
     
         14 . The hair treatment composition according to  claim 13 , wherein the molar ratio of lithium to sodium is between 0.5 and 25.  
     
     
         15 . The hair treatment composition according to  claim 13 , wherein the polymer main chain comprises at least one polymer selected from polymeric aliphatic, cycloaliphatic and aromatic polycarboxylic acids and derivatives thereof.  
     
     
         16 . The hair treatment composition according to  claim 15 , wherein the polymeric polycarboxylic acids and derivatives thereof comprise at least one of polyacrylic acid, polymethacrylic acid, esters of polyacrylic acid or polymethacrylic acid with C 1 -C 22  aliphatic, cycloaliphatic or aromatic alcohol, maleic acid, maleic anhydride, fumaric acid and polynorbomenic acid.  
     
     
         17 . The hair treatment composition according to  claim 13 , wherein the polyester side arms comprise at least one polyester selected from:  
       
         
           
           
               
               
           
         
       
       wherein: 
 p and o are selected so that the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol;  
 G is selected from C 2  to C 22  aromatic, aliphatic and cycloaliphatic organyl units containing at least two terminal oxygen atoms, or derivatives of a polyglycol of the formula HO—[R 3 —O] k —[R 4 —O] m —H, corresponding to an organyl unit  
                     
 wherein R 3  and R 4  are each C 2 -C 22  alkylene radicals, and can be the same or different and k+m≧1, wherein k and m are selected so that the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol;  
 D is selected from C 2  to C 22  aromatic, aliphatic and cycloaliphatic organyl units containing at least two terminal acyl groups, optionally including combinations of two or more different acid components comprising an organyl unit of the formula  
                     
 wherein R S  is selected from C 2  to C 22  aromatic and linear or cyclic, saturated or unsaturated aliphatic bifunctional radicals;  
 T is selected from sulphonated aromatic, aliphatic and cycloaliphaic organyl compounds containing at least two terminal acyl groups;  
 R 1  is selected from lithium, sodium and mixtures thereof, and optionally further includes one or more additional counterions; and  
 R 2  is selected from: 
 aromatic, aliphatic and cycloaliphatic amino functional groups —NH—R 5  or —NR 5   2 , wherein R 5  is selected from C 1  to C 22  alkyl and aryl radicals;  
 aromatic, aliphatic and cycloaliphatic monocarboxylic acid groups —COOR 6 , wherein R 6  is selected from C 1  to C 200  alkyl and aryl radicals;  
 aromatic, aliphatic and cycloaliphatic organyl radicals bridged via ether functions (—O—R 5 ), wherein R 5  is the same as defined above;  
 polyalkoxy compounds bridged via ether functions of the formula —O—[R 7 —O] q —[R 8 —O] r —Y, wherein R 7  and R 8  are each independently selected from C 2  to C 22  alkyl radicals and can be the same or different, Y is hydrogen or a C 1 -C 22  aliphatic radical, and q+r≧1;  
 mono- or polyethoxylated sulphonated organyl radicals bridged via ether functions, and alkali metal or alkaline earth metal salts thereof.  
 
 
     
     
         18 . The hair treatment composition according to  claim 17 , wherein p and o are selected so that the average molecular weight of the comb polymer is between 2000 and 100,000 g/mol.  
     
     
         19 . The hair treatment composition according to  claim 17 , wherein said one or more additional counterions of R 1  are selected from potassium, magnesium, calcium, ammonium, monoalkylammonium, dialkylammonium, trialkylammonium or tetraalkylammonium, wherein the alkyl positions of the amines, independently of one another, comprise a C 1  to C 22 -alkyl radical and 0 to 3 hydroxyl groups.  
     
     
         20 . The hair treatment composition according to  claim 17 , wherein said mono- or polyethoxylated sulphonated organyl radicals bridged via ether functions of R 2  comprise at least one radical of the formula —(O—CH 2 —CH 2 ) s —SO 3 R 1 , wherein s≧1 and is selected so that the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol.  
     
     
         21 . The hair treatment composition according to  claim 13 , wherein the average molecular weight of the comb polymer is between 200 and 2,000,000 g/mol.  
     
     
         22 . The hair treatment composition according to  claim 21 , wherein the average molecular weight of the comb polymer is between 2000 and 100,000 g/mol.  
     
     
         23 . The hair treatment composition according to  claim 22 , wherein the average molecular weight of the comb polymer is between 1000 and 30,000 g/mol.  
     
     
         24 . The hair treatment composition according to  claim 23 , wherein the average molecular weight of the comb polymer is between 5000 and 15,000 g/mol.  
     
     
         25 . The hair treatment composition according to  claim 13 , wherein said hair treatment composition is a hair setting composition selected from aerosol and non-aerosol hair sprays, hair lacquers, setting foams, setting liquids, and styling gels.  
     
     
         26 . The hair treatment composition according to  claim 25 , comprising one or more of the comb polymers in an amount between 0.5 and 30 percent by weight based on the total weight of the composition.  
     
     
         27 . The hair treatment composition according to  claim 13 , wherein said hair treatment composition is shampoo.