Mechanism of internal and external electron donor effects on propylene polymerization with MgCl2 -supported Ziegler-Natta catalyst: New evidences based on active center counting

2018 ◽  
Vol 135 (32) ◽  
pp. 46605 ◽  
Author(s):  
Yuhong Weng ◽  
Baiyu Jiang ◽  
Zhisheng Fu ◽  
Zhiqiang Fan
Keyword(s):  
Active Center ◽  
Electron Donor ◽  
Propylene Polymerization ◽  
Natta Catalyst ◽  
External Electron Donor ◽  
Ziegler Natta Catalyst

Effect of external electron donor on stereoselective Copolymerization of isoprene and butadiene with MgCl2-Supported Ziegler-Natta catalyst

Polymer ◽  
2021 ◽  
pp. 124207
Author(s):  
Qingtao Niu ◽  
Manman Jin ◽  
Aihua He ◽  
Tielong Chen ◽  
Guodong Liu ◽  
...  
Keyword(s):  
Electron Donor ◽  
Natta Catalyst ◽  
External Electron Donor ◽  
Ziegler Natta Catalyst

Microstructure of polypropylene and active center in Ziegler–Natta catalyst: effect of novel salicylate internal donor

RSC Advances ◽  
2016 ◽  
Vol 6 (79) ◽  
pp. 75023-75031 ◽  
Author(s):  
Qian Zhou ◽  
Ailian Wang ◽  
Huayi Li ◽  
Zhi Luo ◽  
Tao Zheng ◽  
...  
Keyword(s):  
Active Center ◽  
Propylene Polymerization ◽  
Active Centers ◽  
Internal Donor ◽  
Important Impact ◽  
Natta Catalyst ◽  
Catalyst Effect ◽  
Ziegler Natta Catalyst

The volume of ecofriendly salicylate internal donors for propylene polymerization has an important impact on the catalyst active centers and microstructure of polypropylene.

Effect of internal electron donor on the active center distribution in MgCl2-supported Ziegler–Natta catalyst

2015 ◽  
Vol 69 ◽  
pp. 147-149 ◽  
Author(s):  
Biao Zhang ◽  
Letian Zhang ◽  
Zhisheng Fu ◽  
Zhiqiang Fan
Keyword(s):  
Active Center ◽  
Electron Donor ◽  
Natta Catalyst ◽  
Internal Electron ◽  
Ziegler Natta Catalyst

scholarly journals Adsorption of TiCl4 and electron donor on defective MgCl2 surfaces and propylene polymerization over Ziegler-Natta catalyst: A DFT study

2013 ◽  
Vol 31 (4) ◽  
pp. 591-600 ◽  
Author(s):  
Rui-hua Cheng ◽  
Jun Luo ◽  
Zhen Liu ◽  
Jing-wen Sun ◽  
Wei-huan Huang ◽  
...  
Keyword(s):  
Electron Donor ◽  
Dft Study ◽  
Propylene Polymerization ◽  
Natta Catalyst ◽  
Ziegler Natta Catalyst

Control of Ziegler–Natta catalyst activity by the structural design of alkoxysilane-based external donors

2020 ◽  
Vol 44 (17) ◽  
pp. 6845-6852 ◽  
Author(s):  
Vikas Khatri ◽  
Usharani Sahoo ◽  
Sukhdeep Kaur ◽  
Rashmi Rani ◽  
Gurmeet Singh ◽  
...  
Keyword(s):  
Structural Design ◽  
Catalyst Activity ◽  
Propylene Polymerization ◽  
Natta Catalyst ◽  
Ziegler Natta Catalyst

Herein, the evaluation of four commercial alkoxysilanes and two laboratory synthesized novel diethoxysilacycloalkanes as external donors towards propylene polymerization has been done.

POISONING OF ACTIVE SITES ON ZIEGLER-NATTA CATALYST FOR PROPYLENE POLYMERIZATION

2008 ◽  
Vol 26 (05) ◽  
pp. 547 ◽  
Author(s):  
Kitti Tangjituabun ◽  
Sang Yull Kim ◽  
Yuichi Hiraoka ◽  
Toshiaki Taniike ◽  
Minoru Terano ◽  
...  
Keyword(s):  
Active Sites ◽  
Propylene Polymerization ◽  
Natta Catalyst ◽  
Ziegler Natta Catalyst
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