Application of pyrolysis/gas chromatography/Fourier transform infrared spectroscopy and TGA techniques in the study of thermal degradation of poly (3-hydroxybutyrate)

被引：48
作者：
Gonzalez, A
Irusta, L
Fernández-Berridi, MJ
Iriarte, M
Iruin, JJ
机构：
[1] Univ Basque Country, Polymer Sci & Technol Dept, San Sebastian 20080, Spain
[2] Univ Basque Country, Inst Polymer Mat POLYMAT, San Sebastian 20080, Spain
来源：
POLYMER DEGRADATION AND STABILITY | 2005年 / 87卷 / 02期
关键词：
poly (3-hydroxybutyrate) thermal degradation; poly (3-hydroxybutyrate) degradation mechanism; pyrolysis-gas chromatography-Fourier; transform infrared spectroscopy; Hi-Res TGA;
D O I：
10.1016/j.polymdegradstab.2004.09.005
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The thermal degradation behaviour of bacterial poly (3-hydroxybutyrate) has been studied by Pyrolysis-GC-FTIR using a semi continuous furnace in the temperature range of 200-600degreesC. At temperatures lower than 400degreesC, 2-butenoic acid and higher degradation products have been obtained. However, at higher temperatures propene and carbon dioxide are the major degradation products. The relative composition of the detected compounds changes as a function of pyrolysis temperature. The application of Hi-Res TGA technique permits the minimum temperature of PHB decomposition to be determined with increased precision. (C) 2004 Elsevier Ltd. All rights reserved.
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收藏
页码：347 / 354
页数：8
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