METHOD OF PRODUCING VACUUM DISTILLATE FRACTIONS WITH IMPROVED LOW-TEMPERATURE PROPERTIES Russian patent published in 2019 - IPC C10L10/16 C10L1/196 G21F1/00 C10L10/14 C10L1/192

Abstract RU 2704480 C1

FIELD: chemistry.

SUBSTANCE: invention describes use as a universal additive/agent for vacuum distillates of vacuum gas oil with fractional composition (beginning of boiling not lower than 300 °C and end of boiling not higher than 620 °C according to method ASTM D 1160) of ethylene and vinyl acetate copolymer solution in a solvent with vinyl acetate content in copolymer of 17 to 50 wt% and a melt flow index of copolymer from 20 to 600 g/10 minutes, wherein as the solvent can be various components, among which kerosene, diesel fuel, atmospheric distillation fractions boiling in a temperature range of 100–380 °C, fractions of aromatic hydrocarbons (benzene, toluene, xylenes, naphthalene derivatives) and mixtures thereof.

EFFECT: low flow temperature from 20–50 °C to values not lower than minus 15 °C and not higher than 12 °C according to ISO 3016 method.

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Authors

Dates

2019-10-29—Published

2018-12-04—Filed