Method for synthesis of 1-decene oligomer

Method for synthesis of 1-decene oligomer

A method for synthesis of 1-decene oligomer is provided, wherein 1-decene is polymerized at 80-120° C., 0.8-1.4 MPa in the presence of aluminum trichloride catalyst supported on gamma-alumina and n-hexane solvent where the volume ratio of 1-decene to n-hexane is 3:8-4:1. The catalyst is treated as f...

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Hauptverfasser: SUN SHUKUN, QIAN JINHUA, WEI PENG, GUO GUIYUE, XU SHENG, WANG SIHAN, YU BUWEI, LI JIANZHONG, WANG GANG, GAO YUXIN, QU JIABO, WANG XIUHUI, FAN LINGTING, ZHANG BAOJUN, ZHANG DESHUN, LIU MIN, LIU WEI, WANG YALI, WANG GUIZHI, JIANG LING, HUANG FULING, MI PUKE, CHEN QIAN, HAN XUEMEI, LU PANFENG, WANG LIBO
Format: Patent
Sprache:eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Zusammenfassung:A method for synthesis of 1-decene oligomer is provided, wherein 1-decene is polymerized at 80-120° C., 0.8-1.4 MPa in the presence of aluminum trichloride catalyst supported on gamma-alumina and n-hexane solvent where the volume ratio of 1-decene to n-hexane is 3:8-4:1. The catalyst is treated as follows: impregnating gamma-alumina carrier in 0.5-2.0 M of hydrochloric acid, sulfuric acid, nitric acid or mixtures thereof, then vacuum drying at 80-100° C. and calcining at 400-800° C.; dissolving 5-10 g of anhydrous aluminum trichloride in 100 ml of tetrachloromethane, trichloromethane or dichloromethane solvent; adding the obtained solution into 10-20 g of activated alumina carrier and obtaining the catalyst after vacuum drying. The conversion of 1-decene is 50 wt % or more. The oligomer has a kinematic viscosity at 40° C. of 6.0-25 mm2/s and a viscosity index of 160-262.