From Zn(C6 F5 )2 to ZnEt2 -based Lewis Pairs: Significantly Improved Catalytic Activity and Monomer Adaptability for the Ring-opening Polymerization of Lactones

ChemCatChem ◽  
2018 ◽  
Vol 10 (22) ◽  
pp. 5287-5296 ◽  
Author(s):  
Bin Wang ◽  
Yuan Wei ◽  
Zong-Jun Li ◽  
Li Pan ◽  
Yue-Sheng Li
Keyword(s):  
Catalytic Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Lewis Pairs

Organocalcium Compounds with Catalytic Activity for the Ring-Opening Polymerization of Lactones

2003 ◽  
Vol 2003 (18) ◽  
pp. 3432-3439 ◽  
Author(s):  
Matthias Westerhausen ◽  
Stefan Schneiderbauer ◽  
Alexander N. Kneifel ◽  
Yvonne Söltl ◽  
Peter Mayer ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization

scholarly journals Use of pyrazoles as ligands greatly enhances the catalytic activity of titanium iso-propoxide for the ring-opening polymerization of l-lactide: a cooperation effect

RSC Advances ◽  
2020 ◽  
Vol 10 (67) ◽  
pp. 40690-40696
Author(s):  
Tzu-Fang Wang ◽  
Someswara Rao Kosuru ◽  
Shu-Chun Yu ◽  
Yung-Chi Chang ◽  
Hsin-Yu Lai ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
One Pot

Using TiOiPr4 with a pyrazole ligand for one-pot LA polymerization improved catalytic activity compared with using TiOiPr4 only.

Molecular Structure–Catalytic Activity Relationship in the Ring-Opening Polymerization of (Macro)lactones

2016 ◽  
Vol 49 (3) ◽  
pp. 796-806 ◽  
Author(s):  
Mark P. F. Pepels ◽  
Inge Hermsen ◽  
Geert J. Noordzij ◽  
Rob Duchateau
Keyword(s):  
Molecular Structure ◽  
Catalytic Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Activity Relationship

Amido rare-earth(iii) and Ca(ii) complexes coordinated by tridentate amidinate ligands: synthesis, structure, and catalytic activity in the ring-opening polymerization of rac-lactide and ε-caprolactone

2020 ◽  
Vol 44 (19) ◽  
pp. 7811-7822
Author(s):  
Natalia Yu. Rad’kova ◽  
Tatyana A. Kovylina ◽  
Andrei S. Shavyrin ◽  
Anton V. Cherkasov ◽  
Georgy K. Fukin ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Rare Earth ◽  
Ring Opening ◽  
Ring Opening Polymerization

Y(iii), Sm(iii) and Ca(ii) monoamido complexes coordinated by tridentate amidinate ligand were synthesized and evaluated as initiators of ring-opening polymerization of rac-lactide and ε-caprolactone.

Insights into the mechanism for ring-opening polymerization of lactide catalyzed by Zn(C6F5)2/organic superbase Lewis pairs

2016 ◽  
Vol 6 (21) ◽  
pp. 7763-7772 ◽  
Author(s):  
Xiao-Qing Li ◽  
Bin Wang ◽  
He-Yuan Ji ◽  
Yue-Sheng Li
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Experimental Results ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Good Consistency ◽  
Plausible Mechanism ◽  
Tof Ms ◽  
Lewis Pairs

A plausible mechanism for ring-opening polymerization of lactide catalyzed by Zn(C6F5)2-based Lewis pairs was proposed based on in situ NMR and MALDI-TOF MS analyses. Several experimental results show very good consistency with the proposed mechanism.

Synthesis, structure and catalytic activity of complexes [Ln(EDBP)2(DME)Na(DME)3](Ln=Er, Yb, Sm) for ring-opening polymerization of ɛ-caprolactone

2009 ◽  
Vol 52 (10) ◽  
pp. 1711-1714 ◽  
Author(s):  
JianFang Yu ◽  
GuangMing Wu ◽  
Jing Huang ◽  
WeiLin Sun ◽  
ZhiQuan Shen
Keyword(s):  
Catalytic Activity ◽  
Ring Opening ◽  
Ring Opening Polymerization
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