Star-Shaped Poly(e-caprolactone)-co-poly(ethylene glycol) Synthesized with Oxalyl Chloride as Linker Molecule

被引：2
|
作者：
Tinajero-Diaz, E. [1 ]
Guerrero-Ramirez, L. G. [1 ]
Manriquez-Gonzalez, R. [2 ]
Martinez-Richa, A. [3 ]
Nuno-Donlucas, S. M. [4 ]
机构：
[1] Univ Guadalajara, Dept Quim, Guadalajara 44430, Jalisco, Mexico
[2] Univ Guadalajara, Dept Madera Celulosa & Papel, Guadalajara 44430, Jalisco, Mexico
[3] Univ Guanajuato, Dept Quim, Guanajuato 36050, Gto, Mexico
[4] Univ Guadalajara, Dept Ingn Quim, Guadalajara 44430, Jalisco, Mexico
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2014年 / 51卷 / 06期
关键词：
Biomaterials; ring-opening polymerization; star-shaped PCL; PEG; VIBRATIONAL SPECTRA; POLY(ETHYLENE; COPOLYMER;
D O I：
10.1080/10601325.2014.906264
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two series of segmented copolymers containing star-shaped poly(-caprolactone) (PCL) and poly(ethylene glycol) (PEG) blocks were synthesized following a three step route. The copolymers were made using oxalyl chloride as linker molecule. Star-shaped PCL was synthesized using pentaerythritol (PTOL) as initiator and stannous octate as catalyst. Gel Permeation Chromatography (GPC), Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), and Proton Nuclear Magnetic Resonance Spectroscopy (H-1 NMR) techniques demonstrate that the synthesis of star-shaped PCL-PEG copolymers was carried out successfully. The chemical route used for the synthesis influences the weight-average molar mass, the composition and the thermal properties of PCL-PEG copolymers synthesized.
引用
收藏
页码：499 / 510
页数：12
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