Ring-Opening Polymerization and Copolymerization of Cyclic Esters Catalyzed by Amidinate Aluminum Complexes

被引：31

作者：

Melendez, Danay Osorio ^{[1
]}

Castro-Osma, Jose A. ^{[2
]}

Lara-Sanchez, Agustin ^{[3
]}

Rojas, Rene S. ^{[1
]}

Otero, Antonio ^{[3
]}

机构：

[1] Pontificia Univ Catolica Chile, Fac Quim, Lab Quim Inorgan, Nucleus Millennium Chem Proc & Catalysis CPC, Santiago, Chile

[2] Univ Castilla La Mancha, Dept Quim Inorgan Organ & Bioquim, Ctr Innovac Quim Avanzada ORFEO CINQA, Fac Farm, Albacete 02071, Spain

[3] Univ Castilla La Mancha, Dept Quim Inorgan Organ & Bioquim, Ctr Innovac Quim Avanzada ORFEO CINQA, Fac Ciencias & Tecnol Quim, E-13071 Ciudad Real, Spain

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2017年 / 55卷 / 14期

关键词：

aluminum; amidinates; biopolymers; catalysis; polyesters; PHENOXY-IMINE LIGANDS; EPSILON-CAPROLACTONE; TRIMETHYLENE CARBONATE; AL COMPLEXES; GROUP-4; COMPLEXES; PHENOLATO LIGANDS; METAL ALKOXIDES; LACTIDE; ZINC; TITANIUM;

D O I：

10.1002/pola.28629

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of new alkyl mono-and bimetallic aluminum complexes supported by novel amidinate ligands has been prepared in very high yields. These complexes were fully characterized by spectroscopic methods. Alkyl aluminum complexes 1-6 were investigated as catalysts for the ring-opening polymerization and copolymerization of e-caprolactone and L-lactide. Under the optimal reaction conditions, complex 5 acts as an efficient single-component initiator for the ring-opening polymerization and copolymerization of cyclic esters to yield biodegradable polyester materials with narrow polydispersities. (C) 2017 Wiley Periodicals, Inc.

引用

页码：2397 / 2407

页数：11

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