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
收藏
页码：2397 / 2407
页数：11
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