Title:
オレフィン気相重合
Document Type and Number:
Japanese Patent JP5787379
Kind Code:
B2
Abstract:
The invention is directed to a process for the gas phase polymerisation of one or more olefin monomers in a fluidised bed reactor in a dry mode or in a (super) condensed mode with a gas stream comprising an inert gas characterised in that the inert gas comprises a mixture of inert components: (1) nitrogen; (2) a gas heat capacity increasing agent (3) a sorption promoting agent and (4) a polymer swelling agent. The inert gas may comprise (1) 5-60% by mol nitrogen (2) 10-90% by mol ethane (3) 1-50% by mol % n-butane and (4) 0.1-10% by mol % n-pentane or iso-pentane.
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Inventors:
Banat, Yahya
Al-Obaidi, Fahd
Marek, Abul Kadda
Al-Obaidi, Fahd
Marek, Abul Kadda
Application Number:
JP2013511569A
Publication Date:
September 30, 2015
Filing Date:
May 12, 2011
Export Citation:
Assignee:
Saudi Basic Industries Corporation
International Classes:
C08F2/34; C08F10/00
Domestic Patent References:
| JP58201802A | ||||
| JP7062009A | ||||
| JP2004537617A | ||||
| JP11100405A | ||||
| JP2003519254A |
Foreign References:
| US4588790 | ||||
| US20050182207 |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma