scholarly journals An insight into the chain-propagation mechanism of propylene polymerization catalyzed by traditional Ti-based Ziegler–Natta catalysts in view of recently developed catalysts

2006 ◽  
Vol 9 (2) ◽  
pp. 117-127 ◽  
Author(s):  
Tianxu Sun ◽  
Li Wang ◽  
Xiaochen Dong ◽  
Wei Wang
Keyword(s):  
Chain Propagation ◽  
Propylene Polymerization ◽  
Propagation Mechanism ◽  
Insight Into ◽  
Ziegler Natta Catalysts

Sulfamides Direct Radical-Mediated Chlorination of Aliphatic C–H Bonds

2019 ◽  
Author(s):  
Melanie Short ◽  
Mina Shehata ◽  
Matthew Sanders ◽  
Jennifer Roizen
Keyword(s):  
Hydrogen Atom ◽  
Transfer Reaction ◽  
Hydrogen Atom Transfer ◽  
Chain Propagation ◽  
Propagation Mechanism ◽  
Atom Transfer ◽  
Radical Chain ◽  
Radical Intermediates ◽  
Transfer Processes ◽  
Unusual Position

Sulfamides guide intermolecular chlorine transfer to gamma-C(sp<sup>3</sup>) centers. This unusual position-selectivity arises because accessed sulfamidyl radical intermediates engage in otherwise rare 1,6-hydrogen-atom transfer processes. The disclosed chlorine-transfer reaction relies on a light-initiated radical chain-propagation mechanism to oxidize C(sp<sup>3</sup>)-H bonds.

Sulfamides Direct Radical-Mediated Chlorination of Aliphatic C–H Bonds

2019 ◽  
Author(s):  
Melanie Short ◽  
Mina Shehata ◽  
Matthew Sanders ◽  
Jennifer Roizen
Keyword(s):  
Hydrogen Atom ◽  
Transfer Reaction ◽  
Hydrogen Atom Transfer ◽  
Chain Propagation ◽  
Propagation Mechanism ◽  
Atom Transfer ◽  
Radical Chain ◽  
Radical Intermediates ◽  
Transfer Processes ◽  
Unusual Position

Sulfamides guide intermolecular chlorine transfer to gamma-C(sp<sup>3</sup>) centers. This unusual position-selectivity arises because accessed sulfamidyl radical intermediates engage in otherwise rare 1,6-hydrogen-atom transfer processes. The disclosed chlorine-transfer reaction relies on a light-initiated radical chain-propagation mechanism to oxidize C(sp<sup>3</sup>)-H bonds.

scholarly journals Probing the roles of diethylaluminum chloride in propylene polymerization with MgCl2-supported ziegler-natta catalysts

2013 ◽  
Vol 31 (4) ◽  
pp. 583-590 ◽  
Author(s):  
Jie Hu ◽  
Bin Han ◽  
Xian-rong Shen ◽  
Zhi-sheng Fu ◽  
Zhi-qiang Fan
Keyword(s):  
Propylene Polymerization ◽  
Ziegler Natta Catalysts

Particle control of Ziegler–Natta catalysts based on TiCl3 for propylene polymerization. Effect of prepolymerization

1994 ◽  
Vol 51 (6) ◽  
pp. 1029-1034 ◽  
Author(s):  
Fernanda M. B. Coutinho ◽  
Marcos A. S. Costa ◽  
Luiz C. Santa Maria ◽  
José C. Bruno
Keyword(s):  
Propylene Polymerization ◽  
Ziegler Natta Catalysts
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