Aluminium and rare earths alkoxides as initiators for the heterogeneous anionic coordinated polymerisation of propylene oxide. A1H NMR approach of the regioselectivity and transfer ability of the catalytic system

2000 ◽  
Vol 201 (1) ◽  
pp. 12-20 ◽  
Author(s):  
Véronique Jacquier-Gonod ◽  
Marie-France Llauro ◽  
Thierry Hamaide
Keyword(s):  
Catalytic System ◽  
Propylene Oxide ◽  
Rare Earths

A Highly Active and Recyclable Catalytic System for CO2/Propylene Oxide Copolymerization

2008 ◽  
Vol 120 (38) ◽  
pp. 7416-7419 ◽  
Author(s):  
Sujith S ◽  
Jae Ki Min ◽  
Jong Eon Seong ◽  
Sung Jea Na ◽  
Bun Yeoul Lee
Keyword(s):  
Catalytic System ◽  
Propylene Oxide ◽  
Highly Active

A Highly Active and Recyclable Catalytic System for CO2/Propylene Oxide Copolymerization

2008 ◽  
Vol 47 (38) ◽  
pp. 7306-7309 ◽  
Author(s):  
Sujith S ◽  
Jae Ki Min ◽  
Jong Eon Seong ◽  
Sung Jea Na ◽  
Bun Yeoul Lee
Keyword(s):  
Catalytic System ◽  
Propylene Oxide ◽  
Highly Active

CO2/Propylene Oxide Copolymerization with a Bifunctional Catalytic System Composed of Multiple Ammonium Salts and a Salen Cobalt Complex Containing Sulfonate Anions

2021 ◽  
Vol 29 (12) ◽  
pp. 855-863
Author(s):  
Yeong Hyun Seo ◽  
Yong Bin Hyun ◽  
Hyun Ju Lee ◽  
Hong Cheol Lee ◽  
Jung Hyun Lee ◽  
...  
Keyword(s):  
Catalytic System ◽  
Propylene Oxide ◽  
Cobalt Complex ◽  
Ammonium Salts

A novel and recyclable catalytic system for propylene carbonate synthesis from propylene oxide and CO2

Polyhedron ◽  
2012 ◽  
Vol 32 (1) ◽  
pp. 86-89 ◽  
Author(s):  
Zhiqiang Wang ◽  
Zhanwei Bu ◽  
Tingting Cao ◽  
Tiegang Ren ◽  
Lirong Yang ◽  
...  
Keyword(s):  
Propylene Carbonate ◽  
Catalytic System ◽  
Propylene Oxide

Epoxidation of Propylene with O2 Catalyzed by EuCl3

2012 ◽  
Vol 550-553 ◽  
pp. 375-378
Author(s):  
Wen Ming Liu ◽  
Fen Liu ◽  
Zhao Ping Chen ◽  
Feng Yi Li
Keyword(s):  
Rare Earth ◽  
Carboxylic Acids ◽  
Catalytic System ◽  
Propylene Oxide ◽  
Zinc Powder ◽  
Propanoic Acid ◽  
Direct Oxidation ◽  
Epoxidation Of Propylene ◽  
Basic Substance ◽  
Rare Earth Chloride

The formation of propylene oxide from propylene by direct oxidation with O2 has been studied with catalysts of rare earth chloride under different carboxylic acids and solvents, and the mechanism of this reaction has been discussed preliminarily. Significant PO-formation was only observed when catalyzed by EuCl3 and in the presence of zinc powder and carboxylic acids. In using carboxylic acids, propanoic acid is the best for the epoxidation of propylene. The yields of the epoxide became higher than those without solvents, but basic substance was not suitable as solvent. In the catalytic system of EuCl3, zinc powder and carboxylic acids, EuCl3 plays a role in transferring electron, zinc powder was the e- donor and carboxylic acids was the H+ donor. The mechanism was consistent with the result of the experiment.

Mechanism for alternating copolymerization of CO2 and propylene oxide in diethylzinc–water catalytic system: A DFT study

2013 ◽  
Vol 2 ◽  
pp. 39-48 ◽  
Author(s):  
Xing Pan ◽  
Zhen Liu ◽  
Ruihua Cheng ◽  
Yun Yang ◽  
Lei Zhong ◽  
...  
Keyword(s):  
Catalytic System ◽  
Propylene Oxide ◽  
Dft Study ◽  
System A ◽  
Alternating Copolymerization

Natural amino acids/H2O as a metal- and halide-free catalyst system for the synthesis of propylene carbonate from propylene oxide and CO2under moderate conditions

RSC Advances ◽  
2014 ◽  
Vol 4 (78) ◽  
pp. 41266-41270 ◽  
Author(s):  
Jose Tharun ◽  
Kuruppathparambil Roshith Roshan ◽  
Amal Cherian Kathalikkattil ◽  
Dong-Heon Kang ◽  
Hyun-Mo Ryu ◽  
...  
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Propylene Carbonate ◽  
Catalytic System ◽  
Propylene Oxide ◽  
Catalyst System ◽  
Natural Amino Acids

Amino acid/H2O catalytic system (metal- and halide-free) for the synthesis of propylene carbonate from propylene oxide and CO2.

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