Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By addition of entire unsaturated molecules – e.g.,...
Patent
1987-12-18
1989-08-08
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By addition of entire unsaturated molecules, e.g.,...
C07C 202
Patent
active
048555266
ABSTRACT:
Low viscosity copolymers of ethylene and higher olefins are prepared with Ziegler-Natta catalysts in the presence of an aliphatic-aromatic solvent mixture, e.g., 1:1 (by volume) of hexane:toluene. The copolymerization can be conducted without hydrogen and subsequent cracking or dewaxing steps are not necessary to obtain oils with high VI and low pour point suitable for use as basestocks, blendstocks and as shear stable VI improvers.
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H. Hocker et al, Polymerization of Ethylene with Soluble Ziegler-Natta Catalysts, Die Makromolekulare Chemie (1971), pp. 107-118.
Aksman Stanislaus
Davis Curtis R.
McKillop Alexander J.
Mobil Oil Corporation
Speciale Charles J.
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