Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RUBBER PROCESSING OIL AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3079091
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a rubber-processing oil that has a poor content of polycyclic aromatic compounds and a rich content of aromatic hydrocarbons.
SOLUTION: This rubber-processing oil has the content of polycyclic aromatic compounds of ≤3 mass % according to IP346 procedure, the aniline point of ≤80°C and the %CA value of 20-50% according to the Kurtz ring analysis method. This oil is obtained by solvent-extracting the deasphalted oil prepared by deasphalting the lubricant oil fraction from the vacuum distillation of crude oil or by deasphalting the stillage of the crude oil with a solvent having the selective affinity to aromatic hydrocarbon, cooling the resultant first extract and fractionating the second raffinate. Or it is obtained as an extract collected at a prescribed extraction rate, as the conditions for the solvent extraction is controlled.


Inventors:
Kaimai Takashi
Ikko Fujiwara
Yoshiyuki Morishima
Application Number:
JP1103599A
Publication Date:
August 21, 2000
Filing Date:
January 19, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Japan Energy Co., Ltd.
International Classes:
C10G7/06; C08C4/00; C08L21/00; C08L91/00; C10G21/00; C10G21/16; C10G21/20; C10G53/04; C10G53/06; (IPC1-7): C08L21/00; C08C4/00; C08L91/00; C10G7/06; C10G21/00; C10G21/16; C10G21/20; C10G53/04; C10G53/06
Domestic Patent References:
JP5626981A
JP5626982A
JP1263849A
JP1180755A
JP1180751A
Attorney, Agent or Firm:
Hidekazu Miyoshi (8 outside)