Comparing l-lactide and ε-caprolactone polymerization by using aluminum complexes bearing ketiminate ligands: steric, electronic, and chelating effects

RSC Advances ◽  
2015 ◽  
Vol 5 (121) ◽  
pp. 100272-100280 ◽  
Author(s):  
Yu-Hsieh Chen ◽  
Yen-Jen Chen ◽  
Hsi-Ching Tseng ◽  
Cheng-Jie Lian ◽  
Hsin-Yi Tsai ◽  
...  
Keyword(s):  
Polymerization Rate ◽  
Aluminum Complexes ◽  
Lactide Polymerization

Herein, the l-lactide polymerization rate of a series of Al complexes bearing ketimine ligands was investigated, and the polymerization characteristics between l-lactide and ε-caprolactone were compared.

Synthesis of biodegradable and biorenewable polylactides initiated by aluminum complexes bearing m-xylylenediamine derivatives via the ring-opening polymerization of lactides

2019 ◽  
Vol 43 (18) ◽  
pp. 6943-6950 ◽  
Author(s):  
Dongni Li ◽  
Bo Gao ◽  
Qian Duan
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Aluminum Complexes ◽  
Lactide Polymerization

Aluminum complexes derived from m-xylylenediamine were synthesized and investigated as initiators for l-lactide and rac-lactide polymerization.

Aluminum complexes with Schiff base bridged bis(indolyl) ligands: synthesis, structure, and catalytic activity for polymerization of rac-lactide

2019 ◽  
Vol 48 (40) ◽  
pp. 15290-15299 ◽  
Author(s):  
Yun Wei ◽  
Lulu Song ◽  
Ling Jiang ◽  
Zeming Huang ◽  
Shaowu Wang ◽  
...  
Keyword(s):  
Schiff Base ◽  
Catalytic Activity ◽  
Polymerization Catalysts ◽  
Aluminum Complexes ◽  
Lactide Polymerization

A series of aluminum complexes with Schiff base bridged indolyl ligands were synthesized as rac-lactide polymerization catalysts.

Aminoarenethiolate Aluminum Complexes: Synthesis, Characterization, and Use in l-Lactide Polymerization

2013 ◽  
Vol 32 (9) ◽  
pp. 2618-2624 ◽  
Author(s):  
Lorena Postigo ◽  
Marı́a del Carmen Maestre ◽  
Marta E. G. Mosquera ◽  
Tomás Cuenca ◽  
Gerardo Jiménez
Keyword(s):  
Aluminum Complexes ◽  
Lactide Polymerization

N-heterocyclic ligand optimization for aluminum complexes in ε-caprolactone and L-Lactide polymerization

Polymer ◽  
2020 ◽  
Vol 202 ◽  
pp. 122572
Author(s):  
Chun-Juei Chang ◽  
Chi-Feng Chiu ◽  
Kuo-Hui Wu ◽  
Yu-Lun Chang ◽  
Yi-Chun Lai ◽  
...  
Keyword(s):  
Heterocyclic Ligand ◽  
Aluminum Complexes ◽  
Lactide Polymerization

Aluminum methyl, alkoxide and α-alkoxy ester complexes supported by 6,6′-dimethylbiphenyl-bridged salen ligands: synthesis, characterization and catalysis for rac-lactide polymerization

2016 ◽  
Vol 45 (15) ◽  
pp. 6682-6695 ◽  
Author(s):  
Chao Kan ◽  
Jilei Ge ◽  
Haiyan Ma
Keyword(s):  
Carbonyl Group ◽  
Dissociation Equilibrium ◽  
Aluminum Complexes ◽  
Salen Ligands ◽  
Salen Aluminum ◽  
Lactide Polymerization

A series of mono- and dinuclear salen aluminum complexes could efficiently catalyze the ROP of rac-LA, producing isotactic enriched and atactic PLA, respectively. In solution, the association/dissociation equilibrium of the carbonyl group was found in the model O-lactate complexes.

Ring-opening polymerization of lactide using chiral salen aluminum complexes as initiators: high productivity and stereoselectivity

2015 ◽  
Vol 39 (6) ◽  
pp. 4670-4675 ◽  
Author(s):  
Bo Gao ◽  
Dongni Li ◽  
Yanhui Li ◽  
Qian Duan ◽  
Ranlong Duan ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
High Productivity ◽  
Aluminum Complexes ◽  
Salen Aluminum ◽  
Lactide Polymerization

Chiral salen aluminum complexes have been synthesized and investigated as initiators for l-lactide and rac-lactide polymerization.

Preparation of biocompatible, biodegradable and sustainable polylactides catalyzed by aluminum complexes bearing unsymmetrical dinaphthalene-imine derivatives via ring-opening polymerization of lactides

2015 ◽  
Vol 5 (9) ◽  
pp. 4644-4652 ◽  
Author(s):  
Bo Gao ◽  
Dongni Li ◽  
Xiang Li ◽  
Ranlong Duan ◽  
Xuan Pang ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Aluminum Complexes ◽  
Imine Ligands ◽  
Lactide Polymerization

Aluminum complexes bearing unsymmetrical dinaphthalene-imine ligands were employed for lactide polymerization.

Phenoxy-Thioether Aluminum Complexes as ε-Caprolactone and Lactide Polymerization Catalysts

2012 ◽  
Vol 31 (15) ◽  
pp. 5551-5560 ◽  
Author(s):  
Marina Lamberti ◽  
Ilaria D’Auria ◽  
Mina Mazzeo ◽  
Stefano Milione ◽  
Valerio Bertolasi ◽  
...  
Keyword(s):  
Polymerization Catalysts ◽  
Aluminum Complexes ◽  
Lactide Polymerization
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