Title:
CATALYST PRE-CONTACT DEVICE AND METHOD FOR CONTINUOUS POLYMERIZATION OF OLEFIN
Document Type and Number:
WIPO Patent Application WO/2017/220018
Kind Code:
A1
Abstract:
Disclosed is a catalyst pre-contact method for the continuous polymerization of an olefin, wherein a primary catalyst, a co-catalyst and, optionally, an external electron donor are mixed and then undergo a pre-contact reaction, with the pre-contact reaction temperature being -30°C to 35°C and adjustable, and the pre-contact reaction time being 0.5 min to 10 min and adjustable, and the pre-contacted catalyst is brought into a catalyst prepolymerization system and then into a catalyst polymerization system, or is directly brought into the catalyst polymerization system. Further disclosed is a catalyst pre-contact device for the continuous polymerization of an olefin, which can adjust the pre-contact time and pre-contact temperature of the catalyst so that the performance of the catalyst achieves a better level according to the process.
Inventors:
XIA XIANZHI (CN)
ZHANG TIANYI (CN)
LIU YUEXIANG (CN)
ZHAO JIN (CN)
ZHANG TIANYI (CN)
LIU YUEXIANG (CN)
ZHAO JIN (CN)
Application Number:
PCT/CN2017/089759
Publication Date:
December 28, 2017
Filing Date:
June 23, 2017
Export Citation:
Assignee:
CHINA PETROLEUM & CHEM CORP (CN)
BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (CN)
BEIJING RES INST CHEMICAL IND CHINA PETROLEUM & CHEMICAL CORP (CN)
International Classes:
C08F10/00; B01J8/10; B01J19/18; C08F4/00
Foreign References:
| CN104558297A | 2015-04-29 | |||
| CN101613426A | 2009-12-30 | |||
| US20090326168A1 | 2009-12-31 | |||
| CN201694979U | 2011-01-05 |
Other References:
See also references of EP 3476868A4
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
Download PDF: