NONISOTHERMAL CRYSTALLIZATION AND MORPHOLOGY OF POLY(BUTYLENE SUCCINATE)/LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES

Mei-qiu Zhan; Guang-yi Chen; Zhi-yong Wei; Yu-mei Shi; Wan-xi Zhang

doi:10.1007/s10118-013-1200-4

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NONISOTHERMAL CRYSTALLIZATION AND MORPHOLOGY OF POLY(BUTYLENE SUCCINATE)/LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES

PAPER | Updated：2023-01-03

- NONISOTHERMAL CRYSTALLIZATION AND MORPHOLOGY OF POLY(BUTYLENE SUCCINATE)/LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES
- Chinese Journal of Polymer Science Vol. 31, Issue 1, Pages: 187-200(2013)
- Affiliations：
  
  a.School of Material Science and Engineering, Jilin University, Changchun 130022, China
  b.School of Automotive Engineering, Dalian University of Technology, Dalian 116024, China
- Author bio：
  
  **Zhi-yong Wei (魏志勇), E-mail: zywei@dlut.edu.cn.
- Funds：
- DOI：10.1007/s10118-013-1200-4
  CLC：
- Received：17 April 2012，
  
  Revised：2012-05-08，
  
  Accepted：10 May 2012，
  
  Published：2013-01
- Accepted：
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Mei-qiu Zhan, Guang-yi Chen, Zhi-yong Wei, et al. NONISOTHERMAL CRYSTALLIZATION AND MORPHOLOGY OF POLY(BUTYLENE SUCCINATE)/LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES[J]. Chinese Journal of Polymer Science, 2013, 31(1): 187-200.
DOI：

Mei-qiu Zhan, Guang-yi Chen, Zhi-yong Wei, et al. NONISOTHERMAL CRYSTALLIZATION AND MORPHOLOGY OF POLY(BUTYLENE SUCCINATE)/LAYERED DOUBLE HYDROXIDE NANOCOMPOSITES[J]. Chinese Journal of Polymer Science, 2013, 31(1): 187-200. DOI： 10.1007/s10118-013-1200-4.

摘要

Abstract

Biodegradable poly(butylene succinate) (PBS) and layered double hydroxide (LDH) nanocomposites were prepared

via

melt blending in a twin-screw extruder. The morphology and dispersion of LDH nanoparticles within PBS matrix were characterized by transmission electron microscopy (TEM)

which showed that LDH nanoparticles were found to be well distributed at the nanometer level. The nonisothermal crystallization behavior of nanocomposites was extensively studied using differential scanning calorimetry (DSC) technique at various cooling rates. The crystallization rate of PBS was accelerated by the addition of LDH

due to its heterogeneous nucleation effect; however

the crystallization mechanism and crystal structure of PBS remained almost unchanged. In kinetics analysis of nonisothermal crystallization

the Ozawa approach failed to describe the crystallization behavior of PBS/LDH nanocomposites

whereas both the modified Avrami model and the Mo method well represented the crystallization behavior of nanocomposites. The effective activation energy was estimated as a function of the relative degree of crystallinity using the isoconversional analysis. The subsequent melting behavior of PBS and PBS/LDH nanocomposites was observed to be dependent on the cooling rate. The POM showed that the small and less perfect crystals were formed in nanocomposites.

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