The effect of steric changes on the isoselectivity of dinuclear indium catalysts for lactide polymerization

2015 ◽  
Vol 44 (13) ◽  
pp. 6126-6139 ◽  
Author(s):  
K. M. Osten ◽  
D. C. Aluthge ◽  
P. Mehrkhodavandi
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Lactide Polymerization

Functionalized diaminophenolates as ligands for dinuclear indium catalysts were investigated in the ring-opening polymerization of lactide. An increase in the steric bulk of the ligand phenolates decreases the selectivity of the catalysts due to catalyst dissociation during polymerization.

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.

Bimetallic and trimetallic zinc amino-bis(phenolate) complexes for ring-opening polymerization of rac-lactide

2019 ◽  
Vol 48 (36) ◽  
pp. 13699-13710 ◽  
Author(s):  
Yi Liu ◽  
Louise N. Dawe ◽  
Christopher M. Kozak
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Zinc Complexes ◽  
Lactide Polymerization

Di- and trinuclear zinc complexes of an amino-bis(phenolate) ligand show good lactide polymerization activity in both solution and melt.

scholarly journals Overcoming aggregation in indium salen catalysts for isoselective lactide polymerization

2015 ◽  
Vol 6 (9) ◽  
pp. 5284-5292 ◽  
Author(s):  
D. C. Aluthge ◽  
J. M. Ahn ◽  
P. Mehrkhodavandi
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Highly Active ◽  
Lactide Polymerization

A methodology for controlling aggregation in highly active and isoselective indium catalysts for the ring opening polymerization of racemic lactide is reported.

scholarly journals Magnesium amino-bis(phenolato) complexes for the ring-opening polymerization of rac-lactide

2015 ◽  
Vol 44 (27) ◽  
pp. 12365-12375 ◽  
Author(s):  
Katalin Devaine-Pressing ◽  
Joshua H. Lehr ◽  
Michelle E. Pratt ◽  
Louise N. Dawe ◽  
Amy A. Sarjeant ◽  
...  
Keyword(s):  
Ring Opening ◽  
Elevated Temperatures ◽  
Group Analysis ◽  
Ring Opening Polymerization ◽  
Maldi Tof ◽  
Magnesium Complexes ◽  
End Group ◽  
Lactide Polymerization

Magnesium complexes capable of rac-lactide polymerization in both the melt and in solution at elevated temperatures were synthesized. End-group analysis by MALDI-TOF showed both linear and cyclic PLA.

Lithium, sodium, potassium and calcium amine-bis(phenolate) complexes in the ring-opening polymerization of rac-lactide

2020 ◽  
Vol 49 (5) ◽  
pp. 1531-1544 ◽  
Author(s):  
Katalin Devaine-Pressing ◽  
Fabio J. Oldenburg ◽  
Jan P. Menzel ◽  
Maximilian Springer ◽  
Louise N. Dawe ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Sodium Potassium ◽  
Maldi Tof Ms ◽  
Maldi Tof ◽  
Tof Ms ◽  
Lactide Polymerization

Li, Na, K and Ca complexes capable of rac-lactide polymerization in both the melt and in solution were synthesized. MALDI-TOF MS showed mainly cyclic PLA was obtained even in the presence of an alcohol co-initiator.

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.

Stereoselective ring-opening polymerization of rac-lactides catalyzed by titanium complexes containing N,N-bidentate phenanthrene derivatives

RSC Advances ◽  
2015 ◽  
Vol 5 (18) ◽  
pp. 13437-13442 ◽  
Author(s):  
Bo Gao ◽  
Qian Duan ◽  
Yanhui Li ◽  
Dongni Li ◽  
Liqiu Zhang ◽  
...  
Keyword(s):  
Schiff Bases ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Titanium Complexes ◽  
Lactide Polymerization

Titanium complexes bearing N,N-bidentate diamido derived from Schiff bases were investigated as catalysts for lactide polymerization.

Magnesium complexes bearing N,N-bidentate phenanthrene derivatives for the stereoselective ring-opening polymerization of rac-lactides

RSC Advances ◽  
2015 ◽  
Vol 5 (1) ◽  
pp. 440-447 ◽  
Author(s):  
Bo Gao ◽  
Dehai Zhao ◽  
Xiang Li ◽  
Yuan Cui ◽  
Ranlong Duan ◽  
...  
Keyword(s):  
Schiff Bases ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Magnesium Complexes ◽  
Lactide Polymerization

Magnesium complexes based on N,N-bidentate phenanthrene derivatives derived from Schiff bases were synthesized and investigated as catalysts for rac-lactide polymerization.

Synthesis and characterization of new Na+ complexes of N-benzyl cyclic peptoids and their role in the ring opening polymerization of l-lactide

2021 ◽  
Vol 45 (12) ◽  
pp. 5410-5420
Author(s):  
Assunta D'Amato ◽  
Rosaria Schettini ◽  
Giovanni Pierri ◽  
Irene Izzo ◽  
Fabia Grisi ◽  
...  
Keyword(s):  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Synthesis And Characterization ◽  
First Time ◽  
Lactide Polymerization

Na+ complexes of cyclic peptoid were employed for the first time as catalyst for the l-lactide polymerization.

Sign in / Sign up

Export Citation Format

Share Document