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Studies on the effects of 4,4′-dihydroxyphenyl on crystallization and melting behavior of poly (butylene terephthalate)

  • Zhiyuan Shen , Faliang Luo EMAIL logo , Jianghua Du , Xiaomei Lei and Lijie Ji
Published/Copyright: January 20, 2017
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Journal of Polymer Engineering
From the journal Journal of Polymer Engineering Volume 37 Issue 8

Abstract

The blends of poly (butylene terephthalate) (PBT) and 4,4′-dihydroxyphenyl (DHP) were prepared by melt blending, and the effects of DHP on the crystallization and melting behaviors of PBT were investigated by differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD), and polarized optical microscopy (POM). The results showed that crystallization temperature and crystallinity of PBT apparently decreased with the addition of DHP. A remarkably decline in crystallization rate of PBT was achieved, and the blends had higher σe and q values than that of pure PBT as analyzed based on the Avrami equation and Lauritzen-Hoffman equation. The crystal structure of PBT did not change by the addition of DHP, while the spherulite size of PBT decreased.

Keywords: blends; crystallization; 4,4′-dihydroxyphenyl; melting; poly (butylene terephthalate)

Funding source: National Natural Science Foundation of China

Award Identifier / Grant number: 21264012

Funding statement: We gratefully acknowledge the financial support from the National Natural Science Foundation of China (no. 21264012).

Acknowledgments

We gratefully acknowledge the financial support from the National Natural Science Foundation of China (no. 21264012).

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Received: 2016-6-11
Accepted: 2016-12-5
Published Online: 2017-1-20
Published in Print: 2017-10-26

©2017 Walter de Gruyter GmbH, Berlin/Boston

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  2. Original articles
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  4. Studies on the effects of 4,4′-dihydroxyphenyl on crystallization and melting behavior of poly (butylene terephthalate)
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https://doi.org/10.1515/polyeng-2016-0206
Keywords for this article
blends; crystallization; 4,4′-dihydroxyphenyl; melting; poly (butylene terephthalate)

Articles in the same Issue

  1. Frontmatter
  2. Original articles
  3. 3D printing of hydroxyapatite polymer-based composites for bone tissue engineering
  4. Studies on the effects of 4,4′-dihydroxyphenyl on crystallization and melting behavior of poly (butylene terephthalate)
  5. Effect of the particulate morphology of resin on the gelation process of PVC plastisols
  6. Effect of aluminum nitride concentration on different physical properties of low density polyethylene based nanocomposites
  7. Application of polyurethane membrane with surface modified ZSM-5 for pervaporation of phenol/water mixture
  8. Synergistic effects of hybridization of carbon black and carbon nanotubes on the mechanical properties and thermal conductivity of a rubber blend system
  9. Electrical conductivity of carbon nanotube/polypropylene composites prepared through microlayer extrusion technology
  10. Mechanical performance and electromagnetic shielding effectiveness of composites based on Ag-plating cellulose micro-nano fibers and epoxy
  11. Effect of screw configuration on the dispersion of nanofillers in thermoset polymers
  12. Study of a novel co-rotating non-twin screw extruder in processing flame retardant polymer materials
  13. Thermal influences in the star-pre-distributor of a spiral mandrel die
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