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 shows that epoxy resins containing rigid rod structure or many epoxy groups have a high glass transition temperature (Tg) because of high cross-linking density.
研究结果表明:分子结构中含有刚性结构或连有较多的环氧基时,固化产物具有较高的交联密度,玻璃化转变温度较高;
The material has good flexibility, low water absorption rate, high glass transition temperature and fine heat-resisting performance, thereby having better market prospects and economic benefit.
该材料柔韧性好、吸水率低、玻璃化转变温度高以及耐热性能优良,因而具有较好的市场前景和经济效益。
Moreover, a polyurethane material which has the excellent properties such as high clarity, strong rigidity, wearable and high glass transition temperature was synthesized by the obtained polyester.
并以所得聚酯合成了具有透明度高、硬度大、耐磨、玻璃化温度高等优异性能的聚氨酯材料。
The characteristic temperatures are gradually tended to high temperature zones with DSC heating rate increase, where the dynamic effect of crystallization is much higher that of glass transition.
这些特征温度随dsc升温速率的增大,不断向高温区偏移,其中晶化行为的这种动力学效应比其玻璃转变的更为显著。
The glass transition temperature of hyperbranched polymers rises with the increase of molecular weight. When the relative molecular mass was high enough it remained the same.
超支化聚合物的玻璃化转变温度随分子量的增加先增大,当分子量足够大时玻璃化转变温度不再受其影响。
The glass transition temperature of hyperbranched polymers rises with the increase of molecular weight. When the relative molecular mass was high enough it remained the same.
超支化聚合物的玻璃化转变温度随分子量的增加先增大,当分子量足够大时玻璃化转变温度不再受其影响。
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