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

页码：1217 / 1223

页数：7

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