Synthesis of poly(ε-caprolactone) diols and EO-CL block copolymers and their characterization by liquid chromatography and MALDI-TOF-MS

被引：17

作者：

Ahmed, Hasnat ^{[1
,2
]}

Trathnigg, Bernd ^{[1
,2
]}

Kappe, C. Oliver ^{[2
,3
]}

Saf, Robert ^{[1
,4
]}

机构：

[1] NAWI Graz, Cent Polymer Labs CePoL, A-8010 Graz, Austria

[2] Karl Franzens Univ Graz, Inst Chem, A-8010 Graz, Austria

[3] CDLMC, A-8010 Graz, Austria

[4] Graz Univ Technol, ICTM, A-8010 Graz, Austria

来源：

EUROPEAN POLYMER JOURNAL | 2010年 / 46卷 / 03期

关键词：

Block copolymers; Liquid chromatography at critical conditions; Caprolactone diols; Microwave-assisted polymerization; MALDI-TOF-MS; RING-OPENING POLYMERIZATION; EPSILON-CAPROLACTONE; POLY(ETHYLENE GLYCOL); ADSORPTION CHROMATOGRAPHY; TRIBLOCK COPOLYMER; BIOMEDICAL APPLICATIONS; HOMOLOGOUS SERIES; MASS-SPECTROMETRY; AQUEOUS-SOLUTIONS; CARBOXYLIC-ACIDS;

D O I：

10.1016/j.eurpolymj.2009.12.006

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polymers of e-caprolactone were synthesized by microwave-assisted polymerization initiated with polyethylene glycols (PEG 200 and PEG 300) and monodisperse diols (mono-, di-, tri-, tetra- and hexaethylene glycol) and tin octoate as catalyst. These polymers were characterized by different chromatographic techniques (SEC. LAC and LCCC) and MALDI-TOF-MS. A comparison with commercially available polycaprolactone diols with molecular weight 530 and 830 showed that the new polymers had a much higher content of triblock structures, while the commercial samples contained considerable amounts of diblocks. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：494 / 505

页数：12

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