Preparation and Thermal Stability of Elastomers Based on Irregular Poly(urethane-isocyanurate) Networks

被引：7
|
作者：
Pavlicevic, J. [1 ]
Budinski-Simendic, J. [1 ]
Radicevic, R. [1 ]
Katsikas, L. [2 ]
Popovic, I. [2 ]
Szecsenyi, K. Meszaros [3 ]
Spirkova, M. [4 ]
机构：
[1] Univ Novi Sad, Fac Technol, Dept Mat Engn, Novi Sad 21000, Serbia
[2] Univ Belgrade, Fac Technol & Met, Dept Organ Chem Technol, Belgrade 11000, Serbia
[3] Univ Novi Sad, Fac Sci, Dept Chem, Novi Sad 21000, Serbia
[4] Acad Sci Czech Republic, Inst Macromol Chem, Prague, Czech Republic
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2009年 / 24卷 / 10-11期
关键词：
Activation energy; Elastomers; Isocyanurate ring; Polymer network; Polyurethanes; TGA; Thermal decomposition; POLYURETHANE ELASTOMERS; MECHANICAL-PROPERTIES; DEGRADATION; CYCLOTRIMERIZATION; DIISOCYANATES; COMPOSITES;
D O I：
10.1080/10426910903022395
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The objective of this study was to investigate the thermal stability of poly(urethane-isocyanurate) networks with increasing amount of dangling chains. In order to improve thermal stability of elastomeric materials, networks were prepared by adding some heat resistant isocyanurate rings as a junction points by catalytic cyclotrimerisation of telechelic diisocyanates. The thermal degradation kinetics of samples has been studied by means of high-resolution thermal analyzer SDT Q600 TA Instruments, under nitrogen atmosphere. The activation energy for the two step reactions of thermal decomposition of different species was calculated and compared.
引用
收藏
页码：1217 / 1223
页数：7
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