Rheological properties of ethylene propylene diene monomer melt by measuring melt flow index;
用熔体流动指数仪研究三元乙丙橡胶熔体的流变性能
Relative molecular mass of iPP and its distribution were characterized by means of melt flow index(MFI)and polydispersity index(PDI).
采用熔体流动指数测定仪、红外光谱法对加工过程中iPP的相对分子质量及其分布、降解所产生的功能基团浓度的变化进行了表征;对iPP的结晶、熔融及力学性能进行了测试。
The effects of chain-extension modification on the tensile property, melt flow index and dynamic mechanical properties of polybutylene terephthalate were investigated with melt indexer, dynamic viscoelastometer and electronic tension meter.
利用熔体流动速率测定仪、动态粘弹仪和电子拉力试验机等手段,考察了扩链改性对聚对苯二甲 酸丁二酯(PBT)的拉伸性能、熔体流动指数和动态力学性能的影响。
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