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中文摘要：
采用溶液共混法制备了聚ε-己内酯（PCL）／聚乙烯基甲基醚（PVME）共混物，采用差示扫描量热法（DSC）研究了共混物的相容性，通过广角X射线衍射及偏光显微镜研究了共混物中PVME含量对PCL晶体结构及结晶形态的影响。结果表明，共混物的DSC曲线只出现了一个玻璃化转变温度，说明共混物为相容体系，共混物中PVME的存在没有改变PCL的晶体结构。
英文摘要：
Poly （ε-caprolactone） （PCL）/poly （vinyl methyl） （PVME） blends were prepared via solution mixing. Differential scanning calorimetry （DSC） was used to study the compatibility of the blends, and the wide-angle X-ray diffraction（WAXD） and polarizing microscope （ PLM ） were used to study the effect of PVME on the crystalline morphology and crystal structure of the blends. It showed that there was only one Tg peak in the DSC curve of the blends, suggested that the blend was a compatible system, and the presence of PVME did not change the crystal structure of PCL.
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