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结晶性聚碳酸酯的结晶形态与热性能表征
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Learning Nature: Recyclable Monomers and Polymers
结晶性聚碳酸酯的结晶形态与热性能表征
Release time:2019-03-13
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Indexed by:
会议论文
First Author:
许越超
Co-author:
刘野,王萌,吕小兵
Date of Publication:
2014-09-24
Document Type:
A
Page Number:
317-318
Key Words:
聚碳酸酯;结晶形态;热性能;差示扫描量热仪
Abstract:
本文通过偏光显微镜(POM)对其结晶形态表征，结果表明随着等温结晶温度的升高，聚合物晶粒尺寸逐渐变大；通过差示扫描量热仪(DSC)对其进行热性能表征，结果表明该聚碳酸酯结晶温度为184℃左右，具有高达269℃的熔点，但在高温熔融状态下该聚合物不稳定，热失重测试(TGA)显示，熔融过程中聚合物已经开始发生热降解，原因是由于链末端羟基的影响。
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