Acylation of lower olefin oligomers

Details Acylation of lower olefin oligomers Acylation of lower olefin oligomers

1990-02-07

1991-06-04

Willis, Prince E.

Compositions

Electrolytes for electrical devices

568397, 568398, C10M10520, C10M12924

Patent

active

050211781

ABSTRACT:
Oligomers produced from lower alkenes by acidic zeolite catalyzed oligomerization can be converted to useful lubricant additives or lubricants by acylation of olefinic bonds in the oligomers, whereby oligomers containing alpha, beta unsaturated ketone structures are produced. The products so produced from C.sub.20 + olefins exhibit favorable lubricant qualities of viscosity index and low pour points. The discovery is particularly applicable to the acylation of oligomers produced from lower alkenes such as propylene by oligomerization using a ZSM-5 catalyst which has been surface deactivated.

REFERENCES:
patent: 2297039 (1942-09-01), van Melson
patent: 2315046 (1943-03-01), Byrns
patent: 2355703 (1944-08-01), Byrns
patent: 2411823 (1946-11-01), Doumani et al.
patent: 2457696 (1948-12-01), Lukes et al.
patent: 3030359 (1962-04-01), Arens
patent: 4520221 (1985-05-01), Chen
patent: 4568786 (1986-02-01), Chen et al.
patent: 4658079 (1987-04-01), Chen

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