| 摘要 |
Liquid lubricating composition consists of alkanes or alkenes with 3 to 1300 atoms of carbon with branching ratio lower than 0,19, weight of middle molecular weight 300 to 45000, numerous middle molecular weight 300 to 18000, distribution of molecular weights 1 to 5, flowing temperature under -15 degrees of Celsius viscous index upper 130 and kinematic viscosity at 100 degrees of Celsius to 750 mm/exp-2/.s/exp-1/. Lubricating composition contains alkanes 9-methyl-11-octylhenicosane and 11-octyldocosane. Lubricating compositions are produced that way, that alpha-olefin is introduced with carrier solid catalyst containing reduced metal from group VI.B ( for example chromium ) on oligomerization conditions at temperature about 90 to 250 degrees of Celsius and by arise of liquid hydrocarbon of lubricate type which can be hydrogenated.
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