Alternative View of Long Chain Branch Formation by Metallocene Catalysts

2010 ◽  
Vol 43 (21) ◽  
pp. 8836-8852 ◽  
Author(s):  
Qing Yang ◽  
Michael D. Jensen ◽  
Max P. McDaniel
Keyword(s):  
Alternative View ◽  
Metallocene Catalysts ◽  
Branch Formation ◽  
Long Chain ◽  
Long Chain Branch ◽  
Chain Branch

Kinetics of Long-Chain Branch Formation in Polyethylene

ACS Catalysis ◽  
2017 ◽  
Vol 8 (1) ◽  
pp. 725-737 ◽  
Author(s):  
Michael D. Jensen ◽  
Qing Yang ◽  
Youlu Yu ◽  
Max P. McDaniel
Keyword(s):  
Branch Formation ◽  
Kinetics Of ◽  
Long Chain ◽  
Long Chain Branch ◽  
Chain Branch

Revisiting the long-chain branch formation mechanism in metallocene catalyzed polyethylenes

2013 ◽  
Vol 4 (13) ◽  
pp. 3774 ◽  
Author(s):  
Vahid Karimkhani ◽  
Faramarz Afshar-Taromi ◽  
Saeed Pourmahdian ◽  
Florian J. Stadler
Keyword(s):  
Formation Mechanism ◽  
Branch Formation ◽  
Long Chain ◽  
Long Chain Branch ◽  
Chain Branch

Resolving long-chain branch formation in tandem catalytic coordinative chain transfer polymerization of ethylene via thermal analysis

2021 ◽  
Vol 29 (1) ◽  
Author(s):  
Davood Hassanian-Moghaddam ◽  
Seyed Mohammad Mahdi Mortazavi ◽  
Saeid Ahmadjo ◽  
Mona Doveirjavi ◽  
Abbas Rahmati ◽  
...  
Keyword(s):  
Thermal Analysis ◽  
Chain Transfer ◽  
Branch Formation ◽  
Chain Transfer Polymerization ◽  
Long Chain ◽  
Long Chain Branch ◽  
Chain Branch

Copolymerization of propylene with Si-containing α,ω-diolefins: how steric hindrance of diolefins affects long chain branch formation

2016 ◽  
Vol 7 (17) ◽  
pp. 2938-2946 ◽  
Author(s):  
Bin Wang ◽  
Yi-Ming Zhang ◽  
Zhe Ma ◽  
Li Pan ◽  
Shi-Jun Yu ◽  
...  
Keyword(s):  
Steric Hindrance ◽  
Branch Formation ◽  
Formation Efficiency ◽  
Long Chain ◽  
Long Chain Branch ◽  
Chain Branch

A series of long chain branched isotactic polypropylenes (LCBPPs) were in situ synthesized by copolymerization of propylene with diallylsilanes. The substituent groups can efficiently suppress the cyclization of the diolefin and significantly improve LCB formation efficiency.

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