Miscibility and melting properties of poly(ethylene 2,6-naphthalate)/poly(trimethylene terephthalate) blends |
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| Authors: | Hao Liang Fang Xie Wei Wu Fuquan Guo Biao Chen Jie Xu |
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| Affiliation: | (1) Department of Chemical Engineering, Huizhou University, Huizhou, 516007, China;(2) College of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China;(3) Department of Material Engineering, Luoyang College of Technology, Luoyang, 471023, China;(4) Department of History of Science and Technology and Archaeometry, University of Science and Technology of China, Hefei, 230026, China;(5) Key Lab of Green Processing & Functionalisation of New Textile Materials, Ministry of Education, Wuhan University of Science & Engineering, Wuhan, 430073, China |
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| Abstract: | ![]()
The miscibility and melting properties of binary crystalline blends of poly(ethylene 2,6-naphthalate)/poly(trimethylene terephthalate) (PEN/PTT) have been investigated with differential scanning calorimetry (DSC). The glass transition and cold crystallization behaviors indicated that in PEN/PTT blends, there are two different amorphous phases and the PEN/PTT blends are immiscible in the amorphous state. The polymer–polymer interaction parameter,  , calculated from equilibrium melting temperature depression of the PEN component was −1.791 × 10−5 (300 °C), revealing miscibility of PEN/PTT blends in the melt state. |
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