Bulk solvent-free melt ring-opening polymerization of L-lactide catalyzed by Cu(II) and Cu(II)-Nd(III) complexes of the Salen-type Schiff-base ligand

2011 ◽  
Vol 25 (4) ◽  
pp. 310-316 ◽  
Author(s):  
Lei-Lei Chen ◽  
Li-Qin Ding ◽  
Chu Zeng ◽  
Yong Long ◽  
Xing-Qiang Lü ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Solvent Free

scholarly journals High activity of an indium alkoxide complex toward ring opening polymerization of cyclic esters

2015 ◽  
Vol 51 (47) ◽  
pp. 9643-9646 ◽  
Author(s):  
Stephanie M. Quan ◽  
Paula L. Diaconescu
Keyword(s):  
Schiff Base ◽  
High Activity ◽  
Schiff Base Ligand ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Trimethylene Carbonate ◽  
Cyclic Esters ◽  
Indium Complex

An indium complex supported by a ferrocene-derived Schiff base ligand has unprecedented activity toward ε-caprolactone, δ-valerolactone, and β-butyrolactone ring-opening polymerizations. l-Lactide, d,l-lactide, and trimethylene carbonate polymerizations also showed moderate to high activity.

Different mechanisms at different temperatures for the ring-opening polymerization of lactide catalyzed by binuclear magnesium and zinc alkoxides

2015 ◽  
Vol 44 (37) ◽  
pp. 16383-16391 ◽  
Author(s):  
Yangyang Sun ◽  
Yaqin Cui ◽  
Jiao Xiong ◽  
Zhongran Dai ◽  
Ning Tang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Different Temperatures

Two binuclear magnesium and zinc alkoxides supported by a bis-salalen type dinucleating heptadentate Schiff base ligand can catalyze the ring-opening polymerization of lactide via different mechanisms at different temperatures.

Bulk ring-opening polymerization (ROP) of L-lactide catalyzed by Ni(ii) and Ni(ii)-Sm(iii) complexes based on a salen-type schiff-base ligand

2011 ◽  
Vol 2 (3) ◽  
pp. 659-664 ◽  
Author(s):  
Guoqi Xiao ◽  
Bing Yan ◽  
Rui Ma ◽  
Wen Juan Jin ◽  
Xing Qiang Lü ◽  
...  
Keyword(s):  
Schiff Base ◽  
Schiff Base Ligand ◽  
Ring Opening ◽  
Ring Opening Polymerization

scholarly journals Turning on ROP activity in a bimetallic Co/Zn complex supported by a [2+2] Schiff-base macrocycle

2019 ◽  
Vol 55 (75) ◽  
pp. 11279-11282 ◽  
Author(s):  
Kuiyuan Wang ◽  
Timothy J. Prior ◽  
Carl Redshaw
Keyword(s):  
Schiff Base ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Bimetallic Complexes

Homo-dinuclear Co or Zn complexes derived from a [2+2] Schiff-base macrocycle revealed near inactivity for the ring opening polymerization of δ-valerolactone and ε-caprolactone, whereas hetero-bimetallic complexes were efficient catalysts.

scholarly journals Enolic Schiff Base Zinc Amide Complexes: Highly Active Catalysts for Ring-Opening Polymerization of Lactide and ε-Caprolactone

2018 ◽  
Vol 36 (10) ◽  
pp. 1123-1128 ◽  
Author(s):  
Chen-Yang Hu ◽  
Ran-Long Duan ◽  
Jing-Wei Yang ◽  
Shu-Jun Dong ◽  
Zhi-Qiang Sun ◽  
...  
Keyword(s):  
Schiff Base ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Highly Active
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