Isothermal Crystallization Properties of Polyamide 6 / Hexagonal Boron Nitride Nanocomposites

Hexagonal boron nitride was adopted as a heterogeneous nucleation agent to fabricate polyamide 6 based nanocomposite films via a solution casting method. Isothermal crystallization behaviors of the as-prepared films were measured by using differential scanning calorimetry. Results showed that both t...

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Published inJournal of macromolecular science. Physics Vol. 57; no. 1; pp. 56 - 65
Main Authors Wu, Xiang-Feng, Zhao, Yong-Ke, Li, Xiao-Jun, Wang, Yi-Jin, Zhang, Chen-Xu, Su, Jun-Zhang, Zhang, Jia-Rui, Wang, Kai-Yuan, Wang, Yi-Wei, Zhang, Mi
Format Journal Article
LanguageEnglish
Published New York Taylor & Francis 02.01.2018
Marcel Dekker, Inc
Subjects
Boron
Boron nitride
Calorimetry
Crystal growth
Crystallization
crystallization activation energy
Differential scanning calorimetry
Fillers
isothermal crystallization kinetics
Nanocomposites
Nucleation
polyamide 6
Polyamides
Temperature effects
Thermal analysis
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Summary:Hexagonal boron nitride was adopted as a heterogeneous nucleation agent to fabricate polyamide 6 based nanocomposite films via a solution casting method. Isothermal crystallization behaviors of the as-prepared films were measured by using differential scanning calorimetry. Results showed that both the crystallization temperature and fillers loading greatly affected the crystallization process of the as-prepared samples. The crystallization nucleation and growth mechanism did not change during the initial stage of crystallization. The halftime of crystallization gradually increased with increasing crystallization temperature. Moreover, it decreased first and then increased with increasing the fillers loading at low crystallization temperature, while it decreased gradually at high crystallization temperature. Furthermore, the crystallization activation energy of the as-prepared samples gradually decreased with increasing fillers loading.
ISSN:0022-2348
1525-609X
DOI:10.1080/00222348.2017.1413832