TWO-CYCLE LUBRICANTS COMPRISING ESTOLIDE COMPOUNDS
Estolide compounds and compositions, including two-cycle lubricating compositions comprising at least one estolide compound. Exemplary two-cycle lubricating compositions comprise an estolide base oil and an additive package.
1 - 90 . (canceled)
91 . A two-cycle lubricating composition comprising:
(i) an estolide base oil having an EN of less than 2, 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 unbranched; and
R 2 is an optionally substituted C 1 to C 22 alkyl that is saturated and branched,
wherein each fatty acid chain residue is unsubstituted;
(ii) at least one detergent comprising an overbased calcium detergent;
(iii) a polybutene polymer comprising poly-n-butenes and/or polyisobutylenes;
(iv) at least one solvent comprising a petroleum solvent or synthetic hydrocarbon solvent; and
(v) at least one antioxidant.
92 . The two-cycle lubricating composition according to claim 91 , wherein the estolide base oil has a kinematic viscosity of about 4 to about 10 cSt at 100° C.
93 . The two-cycle lubricating composition according to claim 91 , wherein the polybutene polymer comprises a number average molecular weight of 300 to 1500.
94 . The two-cycle lubricating composition according to claim 91 , wherein the at least one solvent exhibits a boiling point not higher than 380° C. at atmospheric pressure.
95 . The two-cycle lubricating composition according to claim 91 , wherein the at least one antioxidant comprises an aminic antioxidant.
96 . The two-cycle lubricating composition according to claim 95 , wherein the aminic antioxidant comprises a diarylamine antioxidant.
97 . The two-cycle lubricating composition according to claim 91 , wherein R 2 is selected from C 6 to C 12 alkyl.
98 . The two-cycle lubricating composition according to claim 91 , wherein the estolide base oil has an EN that is an integer or fraction of an integer selected from 1 to 1.5.
99 . The two-cycle lubricating composition according to claim 91 , wherein the estolide base oil has an EN less than or equal to 1.6.
100 . The two-cycle lubricating composition according to claim 91 , wherein the overbased calcium detergent exhibits a total base number of 150 to 450.
101 . A two-cycle lubricating composition comprising:
(i) an estolide base oil having an EN of less than 2, 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 unbranched; and
R 2 is an optionally substituted C 1 to C 22 alkyl that is saturated and branched,
wherein each fatty acid chain residue is unsubstituted;
(ii) at least one detergent comprising an overbased calcium detergent;
(iii) a polybutene polymer comprising poly-n-butenes and/or polyisobutylenes;
(iv) at least one solvent comprising a petroleum solvent or synthetic hydrocarbon solvent; and
(v) at least one antioxidant.
102 . The two-cycle lubricating composition according to claim 101 , wherein the estolide base oil has a kinematic viscosity of about 4 to about 10 cSt at 100° C.
103 . The two-cycle lubricating composition according to claim 102 , wherein the polybutene polymer comprises a number average molecular weight of 300 to 1500.
104 . The two-cycle lubricating composition according to claim 102 , wherein the at least one solvent exhibits a boiling point not higher than 380° C. at atmospheric pressure.
105 . The two-cycle lubricating composition according to claim 102 , wherein the at least one antioxidant comprises an aminic antioxidant.
106 . The two-cycle lubricating composition according to claim 105 , wherein the aminic antioxidant comprises a diarylamine antioxidant.
107 . The two-cycle lubricating composition according to claim 102 , wherein R 2 is selected from C 6 to C 12 alkyl.
108 . The two-cycle lubricating composition according to claim 102 , wherein the estolide base oil has an EN that is an integer or fraction of an integer selected from 1 to 1.5.
109 . The two-cycle lubricating composition according to claim 102 , wherein the estolide base oil has an EN less than or equal to 1.6.
110 . The two-cycle lubricating composition according to claim 102 , wherein the overbased calcium detergent exhibits a total base number of 150 to 450.