Non-isothermal crystallization behavior of poly(ethylene terephthalate)/Poly(trimethylene terephthalate) blends

被引：29
|
作者：
Liang, Hao
Xie, Fang [1 ]
Guo, Fuquan [2 ]
Chen, Biao [3 ]
Luo, Fusheng
Jin, Zhen
机构：
[1] Donghua Univ, Div Sci & Technol, Shanghai 201620, Peoples R China
[2] Luoyang Coll Technol, Dept Mat Engn, Luoyang 471023, Peoples R China
[3] Univ Sci & Technol China, Dept Hist Sci & Technol & Archaeometry, Hefei 230026, Peoples R China
来源：
POLYMER BULLETIN | 2008年 / 60卷 / 01期
关键词：
D O I：
10.1007/s00289-007-0832-3
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Non-isothermal crystallization behavior of Poly(ethylene terephthalate)/Poly(trimethylene terephthalate) blends was investigated by XRD and DSC. By XRD spectra analysis, it could be concluded that PET and PTT crystals coexisted. They did not form the cocrystals due to different chemical structures. The Avrami equations modified by Jeziorny and Ziabicki's kinetic crystallizability analysis were employed to describe the non-isothermal crystallization process of PET/PTT blends. The results suggested that the entanglement of the two polymer chains decrease the crystallizability of PET and PTT in blend. The crystallization activation energies of the blend evaluated by the Friedman method also indicated that the presence of two components in the blends hinders the crystallization process of both components.
引用
收藏
页码：115 / 127
页数：13
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