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

J. Pavlicevic; J. Budinski-Simendic; R. Radicevic

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

机译：基于不规则聚（氨基甲酸乙酯-异氰脲酸酯）网络的弹性体的制备和热稳定性

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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 Mgh-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.

机译：这项研究的目的是研究随着悬链数量的增加，聚（氨基甲酸乙酯-异氰脲酸酯）网络的热稳定性。为了提高弹性体材料的热稳定性，通过远螯二异氰酸酯的催化环三聚反应，通过添加一些耐热异氰脲酸酯环作为结点来制备网络。借助于Mgh分辨率热分析仪SDT Q600 TA Instruments在氮气氛下研究了样品的热降解动力学。计算并比较了不同物种热分解的两步反应的活化能。

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《Materials and Manufacturing Processes》 |2009年第12期|共7页
作者
J. Pavlicevic; J. Budinski-Simendic; R. Radicevic;
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正文语种 eng
中图分类工程材料学;
关键词
Activation energy; Elastomers; Isocyanurate ring; Polymer network; Polyurethanes; TGA; Thermal decomposition.;

机译：活化能;弹性体;异氰脲酸酯环;聚合物网络;聚氨酯;TGA;热分解;

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1. Preparation and Thermal Stability of Elastomers Based on Irregular Poly(urethane-isocyanurate) Networks [J] . J. Pavlicevic, J. Budinski-Simendic, R. Radicevic Materials and Manufacturing Processes . 2009,第10a12期

机译：基于不规则聚（氨基甲酸乙酯-异氰脲酸酯）网络的弹性体的制备和热稳定性
2. Poly(glycerol sebacate)-Based Polyester–Polyether Copolymers and Their Semi-Interpenetrated Networks with Thermoplastic Poly(ester–ether) Elastomers: Preparation and Properties [J] . Runcy Wilson, Anumon V. Divakaran, Kiran S, ACS Omega . 2018,第12期

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3. Effects of NCO/OH ratio and catalyst concentration on structure, thermal stability, and crosslink density of poly(urethane-isocyanurate) [J] . Semsarzadeh MA., Navarchian AH. Journal of Applied Polymer Science . 2003,第4期

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

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