Journal of Materials Science

, Volume 43, Issue 8, pp 2739–2744 | Cite as

Miscibility and melting properties of poly(ethylene 2,6-naphthalate)/poly(trimethylene terephthalate) blends

  • Hao LiangEmail author
  • Fang Xie
  • Wei Wu
  • Fuquan Guo
  • Biao Chen
  • Jie Xu


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, \( \chi _{12}\), 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.


Differential Scanning Calorimeter Transesterification Isothermal Crystallization Cold Crystallization Lamellar Thickness 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work was supported by the Scientific Research Foundation of Huizhou University (No.C506.0201) and the Science Development Project of Huizhou (No. 2007P48). The authors gratefully acknowledge the financial support and wish to express their thanks to the referees for critically reviewing the manuscript and making important suggestions.


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Hao Liang
    • 1
    Email author
  • Fang Xie
    • 1
  • Wei Wu
    • 2
  • Fuquan Guo
    • 3
  • Biao Chen
    • 4
  • Jie Xu
    • 5
  1. 1.Department of Chemical EngineeringHuizhou UniversityHuizhouChina
  2. 2.College of Material Science and EngineeringEast China University of Science and TechnologyShanghaiChina
  3. 3.Department of Material EngineeringLuoyang College of TechnologyLuoyangChina
  4. 4.Department of History of Science and Technology and ArchaeometryUniversity of Science and Technology of ChinaHefeiChina
  5. 5.Key Lab of Green Processing & Functionalisation of New Textile Materials, Ministry of EducationWuhan University of Science & EngineeringWuhanChina

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