Process, products and composition

Details Process, products and composition Process, products and composition

1977-01-03

1979-10-02

Reamer, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260586R, 260590R, 260592, C07C 4515

Patent

active

041698592

ABSTRACT:
Alpha-monoalkenes are addition polymerized by using an acyl halide (e.g., acetyl chloride)--Friedel Crafts catalyst complex and a monochloroalkane solvent (e.g., ethyl chloride); the acyl halide reacts in situ with the monomer to yield a polymeric ketone. The polymeric ketone is subsequently reacted with an aliphatic polyamine (e.g., tetraethylenepentamine) to yield a condensation product which is useful as a lube oil detergent.

REFERENCES:
patent: 2147547 (1939-02-01), Reif et al.
patent: 2251550 (1941-08-01), Lieber
patent: 2273676 (1942-02-01), Wakeman
patent: 2287901 (1942-06-01), Heidelberg et al.
patent: 2352280 (1944-06-01), Mikeska
patent: 2652367 (1953-09-01), Adelson

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