Synthetic oils

Details Synthetic oils Synthetic oils

1984-11-26

1986-08-05

Metz, Andrew H.

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Aromatic

585 7, 585 25, 585455, C07C 1347, C07C 1520

Patent

active

046044914

ABSTRACT:
Synthetic base oils for functional fluids and greases are provided comprising a mixture of monoalkylated naphthalenes and polyalkylated naphthalenes, said naphthalenes represented by the formula: ##STR1## wherein the R' groups are independently selected from H and methyl, the monoalkylated naphthalenes have three R groups which are H and one R group which is a 12-26 carbon alkyl, the polyalkylated naphthalenes have from two to four R groups which are 12-26 carbon alkyl and any remainder R groups H, and the weight ratio of monoalkylated naphthalenes to polyalkylated naphthalenes is from 5:95 to 70:30 when the average alkyl group is C.sub.12 -C.sub.16 and from 5:95 to 99:1 when the average alkyl group is C.sub.17 -C.sub.26. In the preferred mixture, the polyalkylated naphthalenes have a numerical ratio of .alpha./.beta. substitution of from 50/50 to 10/90 when the R' groups are both H.

REFERENCES:
patent: 2626242 (1953-01-01), Talley et al.
patent: 2866142 (1958-12-01), Cook et al.

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