Estolide compositions exhibiting superior high-performance properties

Abstract

Compounds and compositions, including engine oils and lubricant formulations comprising at least one estolide compound. Exemplary compositions comprise an estolide base oil and an additive package.

1 - 117 . (canceled) 
     
     
         118 . A composition comprising:
 (i) an estolide base oil having a kinematic viscosity from about 4 to about 10 cSt at 100° C., and an iodine value of less than 10 cg/g, said estolide base oil comprising at least one estolide compound selected from compounds of Formula I:   
       
         
           
           
               
               
           
         
         wherein
 x is, independently for each occurrence, an integer selected from 0 to 14; 
 y is, independently for each occurrence, an integer selected from 0 to 14; 
 n is an integer selected from 0 to 8; 
 R 1  is an optionally substituted C 1  to C 22  alkyl that is saturated and branched or unbranched; and 
 R 2  is an optionally substituted C 1  to C 22  alkyl that is saturated and branched or unbranched,
 wherein each fatty acid chain residue is unsubstituted; 
 
 
         (ii) at least one synthetic hydrocarbon oil or semi-synthetic hydrocarbon oil; and 
         (iii) at least one antioxidant. 
       
     
     
         119 . The composition according to  claim 118 , further comprising at least one detergent inhibitor. 
     
     
         120 . The composition according to  claim 119 , wherein the at least one detergent inhibitor comprises an overbased calcium sulfonate. 
     
     
         121 . The composition according to  claim 118 , further comprising at least one viscosity modifier. 
     
     
         122 . The composition according to  claim 121 , wherein the at least one viscosity modifier comprises a styrene-diene type polymer. 
     
     
         123 . The composition according to  claim 118 , comprising a semi-synthetic oil selected from Group III oils. 
     
     
         124 . The composition according to  claim 118 , comprising a synthetic oil selected from polyalphaolefins. 
     
     
         125 . The composition according to  claim 118 , wherein the estolide base oil has an iodine value of less than 5 cg/g. 
     
     
         126 . A composition comprising:
 (i) an estolide base oil having a kinematic viscosity from about 4 to about 10 cSt at 100° C., and an iodine value of less than 10 cg/g, said estolide base oil comprising at least one estolide compound selected from compounds of Formula I:   
       
         
           
           
               
               
           
         
         wherein
 x is, independently for each occurrence, an integer selected from 0 to 14; 
 y is, independently for each occurrence, an integer selected from 0 to 14; 
 n is an integer selected from 0 to 8; 
 R 1  is an optionally substituted C 1  to C 22  alkyl that is saturated and branched or unbranched; and 
 R 2  is an optionally substituted C 1  to C 22  alkyl that is saturated and branched or unbranched,
 wherein each fatty acid chain residue is unsubstituted; 
 
 
         (ii) at least one non-estolide base oil; 
         (Ill) at least one detergent inhibitor; and 
         (iv) at least one antioxidant. 
       
     
     
         127 . The composition according to  claim 126 , wherein the at least one detergent inhibitor comprises an overbased calcium sulfonate. 
     
     
         128 . The composition according to  claim 126 , wherein the at least one non-estolide base oil comprises a synthetic hydrocarbon oil and/or a semi-synthetic hydrocarbon oil. 
     
     
         129 . The composition according to  claim 128 , comprising a semi-synthetic oil selected from Group III oils. 
     
     
         130 . The composition according to  claim 128 , comprising a synthetic oil selected from polyalphaolefins. 
     
     
         131 . The composition according to  claim 126 , wherein the non-estolide base oil comprises a naphthenic oil. 
     
     
         132 . The composition according to  claim 126 , further comprising at least one viscosity modifier. 
     
     
         133 . The composition according to  claim 132 , wherein the at least one viscosity modifier comprises a styrene-diene type polymer. 
     
     
         134 . The composition according to  claim 126 , wherein the estolide base oil has an iodine value of less than 5 cg/g. 
     
     
         135 . The composition according to  claim 126 , wherein x is, independently for each occurrence, selected from 1 to 10. 
     
     
         136 . The composition according to  claim 135 , wherein y is, independently for each occurrence, selected from 4 to 6. 
     
     
         137 . The composition according to  claim 136 , wherein R 1  is unbranched, and R 2  is branched.