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本文用红外光谱法,差示扫描量热法(DSC)研究了氯化聚乙烯(CPE)的链结构性能及其对聚氯乙烯(PVC)改性的影响·用动态力学分析法(DMA)研究了PVC/CPE共混物的动态力学行为,表明CPE,PVC为部分相容两相体系。同时,用透射电子显微镜(TEM)观察了CPE在PVC/CPE共混物中的分布形态。当CPE在PVC/CPE共混物中形成比较完善的网络结构时,共混物具有更好的冲击性能。
In this paper, the chain structure of chlorinated polyethylene (CPE) and its effect on the modification of polyvinyl chloride (PVC) were studied by infrared spectroscopy and differential scanning calorimetry (DSC). · Dynamic mechanical analysis (DMA) The dynamic mechanical behavior of PVC / CPE blends was studied, indicating that CPE and PVC are partially compatible two-phase systems. Meanwhile, the distribution of CPE in PVC / CPE blends was observed by transmission electron microscopy (TEM). When CPE in the PVC / CPE blends to form a relatively perfect network structure, the blend has better impact properties.