Additive compositions and polymer compositions containing the same

Abstract

An additive composition comprises phosphate ester anions conforming to a specified structure, aromatic carboxylate anions, optionally cycloaliphatic dicarboxylate anions, aluminum (III) cations, sodium cations, optionally calcium cations, optionally lithium cations, and optionally zinc (II) cations. The anions are present in the additive composition in specified molar percentages. The cations are also present in the additive composition in specified molar percentages.

What is claimed is: 
     
         1 . An additive composition comprising:
 (a) phosphate ester anions conforming to the structure of Formula (I)   
       
         
           
           
               
               
           
         
       
       wherein R 1  and R 2  are independently selected from the group consisting of hydrogen and C 1 -C 18  alkyl groups, and R 3  is an alkanediyl group;
 (b) aromatic carboxylate anions; 
 (c) aluminum (III) cations; 
 (d) sodium cations; 
 (e) optionally, lithium cations; and 
 (f) optionally, zinc (II) cations, 
 wherein: 
 (i) the phosphate ester anions are present in the additive composition in an amount of about 2 mol. % to about 90 mol. % of the total amount of phosphate ester anions and aromatic carboxylate anions present in the additive composition; 
 (ii) the aromatic carboxylate anions are present in the additive composition in an amount of about 10 mol. % to about 98 mol. % of the total amount of phosphate ester anions and aromatic carboxylate anions present in the additive composition; 
 (iii) the aluminum (III) cations are present in the additive composition in an amount of about 1 mol. % to about 35 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (iv) the sodium cations are present in the additive composition in an amount of about 10 mol. % to about 96 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (v) the lithium cations, if present, are present in the additive composition in an amount of about 0 mol. % to about 60 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (vi) the zinc (II) cations, if present, are present in the additive composition in an amount of about 0 mol. % to about 20 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition; and 
 (vii) the additive composition contains 5 wt. % or more fatty acid salts. 
 
     
     
         2 . The additive composition of  claim 1 , wherein R 1  and R 2  are selected from the group consisting of hydrogen and C 1 -C 4  alkyl groups. 
     
     
         3 . The additive composition of  claim 2 , wherein R 1  and R 2  are tert-butyl groups. 
     
     
         4 . The additive composition of  claim 1 , wherein R 3  is a C 1 -C 4  alkanediyl group. 
     
     
         5 . The additive composition of  claim 4 , wherein R 3  is a methanediyl group. 
     
     
         6 . The additive composition of  claim 1 , wherein the aromatic carboxylate anions are benzoate anions. 
     
     
         7 . The additive composition of  claim 1 , wherein the phosphate ester anions are present in the additive composition in an amount of about 15 mol. % to about 50 mol. % of the total amount of phosphate ester anions and aromatic carboxylate anions present in the additive composition. 
     
     
         8 . The additive composition of  claim 1 , wherein the aromatic carboxylate anions are present in the additive composition in an amount of about 50 mol. % to about 85 mol. % of the total amount of phosphate ester anions and aromatic carboxylate anions present in the additive composition. 
     
     
         9 . The additive composition of  claim 1 , wherein the aluminum (III) cations are present in the additive composition in an amount of about 5 mol. % to about 15 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition; 
     
     
         10 . The additive composition of  claim 1 , wherein the sodium cations are present in the additive composition in an amount of about 45 mol. % to about 95 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         11 . The additive composition of  claim 1 , wherein the additive composition comprises lithium cations, and the lithium cations are present in the additive composition in an amount of about 10 mol. % to about 40 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         12 . The additive composition of  claim 1 , wherein the additive composition comprises zinc (II) cations, and the zinc (II) cations are present in the additive composition in an amount of about 0.1 mol. % to about 5 mol. % of the total amount of aluminum (III) cations, sodium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         13 . The additive composition of  claim 1 , wherein the additive composition contains about 20 wt. % to about 55 wt. % fatty acid salts. 
     
     
         14 . An additive composition comprising:
 (a) phosphate ester anions conforming to the structure of Formula (I)   
       
         
           
           
               
               
           
         
       
       wherein R 1  and R 2  are independently selected from the group consisting of hydrogen and C 1 -C 18  alkyl groups, and R 3  is an alkanediyl group;
 (b) aromatic carboxylate anions; 
 (c) cycloaliphatic dicarboxylate anions; 
 (d) aluminum (III) cations; 
 (e) sodium cations; 
 (f) optionally, calcium cations; 
 (g) optionally, lithium cations; and 
 (h) optionally, zinc (II) cations, 
 
       wherein:
 (i) the phosphate ester anions are present in the additive composition in an amount of about 1.5 mol. % to about 45 mol. % of the total amount of phosphate ester anions, aromatic carboxylate anions, and cycloaliphatic dicarboxylate anions present in the additive composition; 
 (ii) the aromatic carboxylate anions are present in the additive composition in an amount of about 5 mol. % to about 80 mol. % of the total amount of phosphate ester anions, aromatic carboxylate anions, and cycloaliphatic dicarboxylate anions present in the additive composition; 
 (iii) the cycloaliphatic dicarboxylate anions are present in the additive composition in an amount of about 3 mol. % to about 55 mol. % of the total amount of phosphate ester anions, aromatic carboxylate anions, and cycloaliphatic dicarboxylate anions present in the additive composition; 
 (iv) the aluminum (III) cations are present in the additive composition in an amount of about 0.5 mol. % to about 20 mol. % of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (v) the sodium cations are present in the additive composition in an amount of about 30 mol. % to about 90 mol. % of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (vi) the calcium cations, if present, are present in the additive composition in an amount of about 35 mol. % or less of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (vii) the lithium cations, if present, are present in the additive composition in an amount of about 30 mol. % or less of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition; 
 (viii) the zinc (II) cations, if present, are present in the additive composition in an amount of about 15 mol. % or less of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition; and 
 (ix) the additive composition contains 5 wt. % or more fatty acid salts. 
 
     
     
         15 . The additive composition of  claim 14 , wherein R 1  and R 2  are selected from the group consisting of hydrogen and C 1 -C 4  alkyl groups. 
     
     
         16 . The additive composition of  claim 15 , wherein R 1  and R 2  are tert-butyl groups. 
     
     
         17 . The additive composition of  claim 14 , wherein R 3  is a C 1 -C 4  alkanediyl group. 
     
     
         18 . The additive composition of  claim 17 , wherein R 3  is a methanediyl group. 
     
     
         19 . The additive composition of  claim 14 , wherein the aromatic carboxylate anions are benzoate anions. 
     
     
         20 . The additive composition of  claim 14 , wherein the cycloaliphatic dicarboxylate anions conform to a structure selected from the group consisting of Formula (X) and Formula (XX) below: 
       
         
           
           
               
               
           
         
       
       wherein R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , and R 19  are independently selected from the group consisting of hydrogen, halogens, C 1 -C 9  alkyl groups, C 1 -C 9  alkoxy groups, and C 1 -C 9  alkylamine groups; 
       
         
           
           
               
               
           
         
       
       wherein R 20 , R 21 , R 22 , R 23 , R 24 , R 25 , R 26 , R 27 , R 28 , and R 29  are independently selected from the group consisting of hydrogen, halogens, C 1 -C 9  alkyl groups, C 1 -C 9  alkoxy groups, and C 1 -C 9  alkylamine groups. 
     
     
         21 . The additive composition of  claim 14 , wherein the phosphate ester anions are present in the additive composition in an amount of about 20 mol. % to about 40 mol. % of the total amount of phosphate ester anions, aromatic carboxylate anions, and cycloaliphatic dicarboxylate anions present in the additive composition. 
     
     
         22 . The additive composition of  claim 14 , wherein the aromatic carboxylate anions are present in the additive composition in an amount of about 20 mol. % to about 50 mol. % of the total amount of phosphate ester anions, aromatic carboxylate anions, and cycloaliphatic dicarboxylate anions present in the additive composition. 
     
     
         23 . The additive composition of  claim 14 , wherein the cycloaliphatic dicarboxylate anions are present in the additive composition in an amount of about 5 mol. % to about 50 mol. % of the total amount of phosphate ester anions, aromatic carboxylate anions, and cycloaliphatic dicarboxylate anions present in the additive composition. 
     
     
         24 . The additive composition of  claim 14 , wherein the aluminum (III) cations are present in the additive composition in an amount of about 5 mol. % to about 15 mol. % of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         25 . The additive composition of  claim 14 , wherein the sodium cations are present in the additive composition in an amount of about 70 mol. % to about 90 mol. % of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         26 . The additive composition of  claim 14 , wherein calcium cations are present in the additive composition in an amount of about 15 mol. % or less of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         27 . The additive composition of  claim 14 , wherein the additive composition comprises lithium cations, and the lithium cations are present in the additive composition in an amount of about 3 mol. % to about 15 mol. % of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         28 . The additive composition of  claim 14 , wherein the additive composition comprises zinc (II) cations, and the zinc (II) cations are present in the additive composition in an amount of about 1 mol. % to about 15 mol. % of the total amount of aluminum (III) cations, sodium cations, calcium cations, lithium cations, and zinc (II) cations present in the additive composition. 
     
     
         29 . The additive composition of  claim 14 , wherein the additive composition contains about 15 wt. % to about 45 wt. % fatty acid salts.