Lubricating compositions and methods of use thereof
Described are various formulations of lubricant additive composition comprising an additive base oil, a chlorinated paraffin, and a first antioxidant that can be used as a stand-alone lubricant or can be used in an additive package that can be added to another lubricant composition (e.g., an engine oil, a transmission fluid, a turbine oil, a gear oil, a grease, etc.). Also described are various engine oil composition comprising the lubricant additive composition.
1. A lubricant additive composition comprising:
a) three different kinds of additive base oil, wherein the total weight of the additive base oil is in an amount of about 50% to about 80% by weight of the additive composition;
b) a chlorinated paraffin in an amount of about 15% to about 45% by weight of the additive composition; and
c) two antioxidants,
wherein the three additive base oils comprise a trimethylolpropane trioleate base oil in an amount of about 20% to about 40% by weight of the additive composition; a Group III base oil in an amount of about 20% to about 40% by weight of the additive composition; and a poly-alpha-olefin base oil; and
wherein the two antioxidants comprise p,p′-dioctyldiphenylamine in an amount of about 0.1% to about 1% by weight of the additive composition; and 2,2′-methylene-bis(4-methyl-6-tert-butyl phenol) in an amount of about 0.1% to about 3% by weight of the additive composition.
2. The lubricant additive composition of claim 1 , wherein the Group III base oil is a paraffinic base oil.
3. The lubricant additive composition of claim 1 , wherein the weight ratio of 2,2′-methylene-bis(4-methyl-6-tert-butyl phenol) to p,p′-dioctyldiphenylamine is about 15:1 to about 25:1.
4. A lubricant additive composition comprising:
a) an additive base oil in an amount of about 20% to about 40% by weight of the additive composition;
b) a chlorinated paraffin in an amount of about 15% to about 45% by weight of the additive composition;
c) p,p′-dioctyldiphenylamine in an amount of about 0.1% to about 1% by weight of the additive composition; and
d) 2,2′-methylene-bis(4-methyl-6-tert-butyl phenol) in an amount of about 0.1% to about 3% by weight of the additive composition;
e) a polyester base oil in an amount of about 20% to about 40% by weight of the additive composition; and
f) a poly-alpha-olefin base oil,
wherein the weight ratio of 2,2′-methylene-bis(4-methyl-6-tert-butyl phenol) to p,p′-dioctyldiphenylamine is 1:1 to 50:1; and wherein the additive base oil is characterized by having a viscosity index of about 120 to about 180.
5. The lubricant additive composition of claim 4 , wherein the additive base oil is a paraffinic base oil.
6. The lubricant additive composition of claim 4 , wherein the polyester base oil is a trimethylolpropane trioleate base oil.
7. The lubricant additive composition of claim 4 , wherein the additive base oil is not a naphthenic base oil.