The cure behavior, thermal stability and glass transition behavior of epoxy asphalts were investigated by using differential scanning calorimeter (DSC) and thermogravimetric analysis (TGA).
采用差示扫描量热仪(dsc)和热失重分析仪(TGA)研究了环氧沥青的固化行为,玻璃化转变和热稳定性,并与纯沥青进行了比较。
The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature, but the property of the resistance of ESC of PC will be decreased.
玻璃化转变温度以下的热处理可以提高PC的拉伸强度,但是对改善材料的耐环境应力开裂性不利。
Dynamic mechanical thermal analysis showed that the addition of TPR improved the damping of the composite, but decreased the storage modulus and the glass transition temperature of the composite.
复合材料动态力学性能研究表明:TPR的加入提高了复合材料的阻尼性质,却降低了复合材料的存储模量和玻璃化转变温度;
Comparing with pure polyimide, the hybrid films presented higher glass transition temperature and thermal stability.
杂化膜具有比本体聚酰亚胺高的玻璃化转变温度和热稳定性。
The glass transition temperatures of blend systems descend with increasing amount of TP200EP and PP150EP. But they have little influence on thermal decomposition temperatures.
共混体系的玻璃化温度,随着TP200EP和PP 150ep含量的增加呈下降趋势,而对共混体系的热分解温度影响不大。
The results showed that the copolymers had higher glass transition temperature compared with PMMA, and the thermal decomposition temperature had significantly increased.
研究表明,随着丙烯酸酯元数的增加,共聚物的交联度增大,玻璃化转变温度提高;
Thermal transitions. The softening point (glass transition temperature) and the melting point of a polymer will determine which it will be suitable for applications.
热转换性:聚合物的软化点(玻璃状转化温度)和熔化点决定了它是否适合应用。
The results of DMTA show that the title polymer is insoluble in most of organic solvents and has a high glass transition temperature and high thermal resistance.
动态机械热分析(DMTA)表明发生配位反应后该配合物进一步交联,从 而难溶于大部分有机溶剂,其玻璃化转变温度和耐热性能均得到很大提高。
The results of DMTA show that the title polymer is insoluble in most of organic solvents and has a high glass transition temperature and high thermal resistance.
动态机械热分析(DMTA)表明发生配位反应后该配合物进一步交联,从 而难溶于大部分有机溶剂,其玻璃化转变温度和耐热性能均得到很大提高。
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