Non-isothermal crystallization kinetics and melting behavior of EAA with different acrylic acid content |
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| Authors: | Zhang Jun Chen Shuangjun Su Jun Shi Xuming Jin Jing Wang Xiaolin Xu Zhongzi |
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| Institution: | (1) College of Materials Science and Engineering, Nanjing University of Technology, Nanjing, 210009, China;(2) Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China |
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| Abstract: | Non-isothermal crystallization kinetics and subsequent melting behavior for three kinds of ethylene-acrylic acid copolymer
(EAA) are investigated via differential scanning calorimetry (DSC). From the Jeziorny method, the crystallization rate of
the primary stage is significantly influenced by the competitive mobility of chains. While the crystallization rate in the
secondary stage decreases in order of acrylic acid (AA) content in copolymers. Mo’s method can also provide a good fitting.
Difference between the Jeziorny method and Mo’s method analysis is because of a higher effect of non-crystallizable chain
ends. The effective activation energy is also determined via Kissinger’s method. |
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