Thermal degradation of thermoplastic polyurethane elastomers (TPU) based on MDI

被引：259
作者：
Herrera, M
Matuschek, G
Kettrup, A
机构：
[1] GSF, Natl Res Ctr Environm & Hlth, Inst Ecol Chem, D-85764 Neuherberg, Germany
[2] Tech Univ Munich, Lehrstuhl Okol Chem & Umweltanalyt, D-85358 Freising Weihenstephan, Germany
来源：
POLYMER DEGRADATION AND STABILITY | 2002年 / 78卷 / 02期
关键词：
thermal decomposition; pyrolysis; polyurethane;
D O I：
10.1016/S0141-3910(02)00181-7
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 of two different thermoplastic polyurethane elastomers (TPU) based on 4,4'-MDI was studied using two different thermal analyzers with combined techniques for the evolved gas analysis, and two combustion devices. Nitrogen and synthetic air were used as carrier gases. In the case of the incineration ovens the evolved gaseous products were captured on XAD-4 resin, desorbed and analyzed off-line by GC/MS. The results show different degradation behaviour and product distribution for TPUs based on polyether and on polyester segments. (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码：323 / 331
页数：9
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