Base oil or lubricant additive
The present invention is toward a base oil or lubricant additives, methods of using the same, lubricant compositions including the same, and methods of forming the lubricant compositions. A base oil or lubricant additive has Structure I or Structure II as described herein.
1. A base oil or lubricant additive having the structure:
wherein
X is —O— or —NH—,
R 1 , R 2 , R 3 , R 4 , R a1 , R a2 , R a3 , and R a4 are independently chosen from —H, —(C 1 -C 5 )hydrocarbyl and —R b , or the structure is structure II and R a1 and R a2 together form a fused phenyl ring and R 1 , R 2 , R a3 , and R a4 are independently chosen from —H, —(C 1 -C 5 )hydrocarbyl and —R b , or the structure is structure II and R a3 and R a4 together form a fused phenyl ring and R 1 , R 2 , R a1 , and R a2 are independently chosen from —H, —(C 1 -C 5 )hydrocarbyl and —R b ,
the base oil or lubricant additive comprises at least one R b ,
at each occurrence, R b is independently chosen from —C(O)—O—R c , —O—R c , —S—R c , and —NH—R c , and
at each occurrence, R c is independently (C 6 -C 30 )hydrocarbyl that is interrupted by 0, 1, 2, 3, or 5 groups independently chosen from —O— and —S— and that is unsubstituted or substituted with —O—(C 6-20 )aryl.
2. The base oil or lubricant additive of claim 1 , wherein the base oil or lubricant comprises one and not more than one —R b .
3. The base oil or lubricant additive of claim 1 , wherein R 1 , R 2 , R 3 , R 4 , R a1 , R a2 , R a3 , and R a4 are independently chosen from —H, methyl, and R b .
4. The base oil or lubricant additive of claim 1 , wherein each occurrence, R b is independently chosen from —C(O)—O—R c .
5. The base oil or lubricant additive of claim 1 , wherein at each occurrence, R c is independently (C 13 -C 15 )alkyl.
6. The base oil or lubricant additive of claim 1 , wherein at each occurrence, R c is independently —((CH 2 —CH 2 )—O) n —CH 3 , wherein n is 1 to 10; —(C 6 -C 30 )alkyl-O-phenyl, or —(C 6 -C 30 )alkyl-O-naphthyl.
7. The base oil or lubricant additive of claim 1 , wherein X is —O—.
8. The base oil or lubricant additive of claim 1 , wherein the base oil or lubricant additive is a lubricant additive.
9. The base oil or lubricant additive of claim 1 , wherein the base oil or lubricant additive has one of the following structures:
10. The base oil or lubricant additive of claim 1 , wherein the base oil or lubricant additive has one of the following structures:
11. The base oil or lubricant additive of claim 1 , wherein the base oil or lubricant additive is 4-tetradecyloxy coumarin.
12. The base oil or lubricant additive of claim 1 , wherein the base oil or lubricant additive exhibits anti-wear properties, friction-reducing properties, or a combination thereof.
13. A lubricant composition comprising:
the base oil or lubricant additive of claim 1 .
14. The lubricant composition of claim 13 , wherein the base oil or lubricant additive is a lubricant additive, wherein the lubricant composition further comprises a base lubricant composition oil.
15. The lubricant composition of claim 14 , wherein the lubricant additive is 0.1 wt % to 20 wt % of the lubricant composition.
16. The lubricant composition of claim 14 , wherein the base lubricant composition oil comprises a mineral oil, a synthetic oil, or a combination thereof.
17. The lubricant composition of claim 16 , wherein the mineral oil is an API Group III mineral oil.
18. A method of forming the lubricant composition of claim 14 , the method comprises:
combining the base oil or lubricant additive with one or more other components to form the lubricant composition of claim 14 .
19. A method of lubricating comprising:
applying a base oil or lubricant additive, or a lubricant composition comprising the same, to an apparatus to lubricate the apparatus, wherein the base oil or lubricant additive has the structure:
wherein
X is —O— or —NH—,
R 1 , R 2 , R 3 , R 4 , R a1 , R a2 , R a3 , and R a4 are independently chosen from —H, —(C 1 -C 5 )hydrocarbyl and —R b , or the structure is structure II and R a1 and R a2 together form a fused phenyl ring and R 1 , R 2 , R a3 , and R a4 are independently chosen from —H, —(C 1 -C 5 )hydrocarbyl and —R b , or the structure is structure II and R a3 and R a4 together form a fused phenyl ring and R 1 , R 2 , R a1 , and R a2 are independently chosen from —H, —(C 1 -C 5 )hydrocarbyl and —R b ,
the base oil or lubricant additive comprises at least one R b ,
at each occurrence, R b is independently chosen from —C(O)—O—R c , —O—R c , —S—R c , and —NH—R c , and
at each occurrence, R c is independently (C 6 -C 30 )hydrocarbyl that is interrupted by 0, 1, 2, 3, or 5 groups independently chosen from —O— and —S— and that is unsubstituted or substituted with —O—(C 6-20 )aryl.