Synthesis and Characterization of Aliphatic-Aromatic Copolyesters From Pet Waste and ε-Caprolactone

被引：5
|
作者：
Ben Gara, M. [1 ]
Kammoun, W. [1 ]
Delaite, C. [2 ]
Abid, S. [1 ]
El Gharbi, R. [1 ]
机构：
[1] Univ Sfax, Fac Sci, Lab Chim Appl HCGP, Sfax 3000, Tunisia
[2] Univ Haute Alsace, Lab Photochim & Ingn Macromol, Mulhouse, France
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2015年 / 52卷 / 06期
关键词：
melt polycondensation; Copolymerization; random microstructure; bis(2-hydroxy ethyl terephthalate); epsilon-caprolactone; TEMPERATURE BULK REACTION; ENZYMATIC DEGRADATION; BIODEGRADABLE COPOLYESTERS; BLOCK-COPOLYMER; POLY(ETHYLENE-TEREPHTHALATE); GLYCOLYSIS; TRANSESTERIFICATION; DEPOLYMERIZATION; CRYSTALLIZATION; TEREPHTHALATE;
D O I：
10.1080/10601325.2015.1029371
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Copolyesters containing aliphatic units in the main chain were obtained by reacting Bis(2-hydroxy ethyl terephthalate) (BHET) with epsilon-caprolactone (epsilon-CL) at a high temperature in bulk in the presence of tin octoate as catalyst. Various copolyesters were synthesized by using BHET/epsilon-CL mass ratio ranging from 90/10 to 10/90. Thermal properties were studied by DSC and TGA, and structural characterization was carried out by H-1-NMR spectroscopy. These techniques confirm the insertion of lactones units in PET chains. The degree of randomness of 30/70 to 60/40 copolyesters, determined by H-1-NMR, shows a random microstructure. The other copolyesters exhibit some block copolymer character.
引用
收藏
页码：454 / 464
页数：11
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