Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 465, Issue -, Pages 342-346Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2015.09.025
Keywords
Polymer nanocomposites; Interphase properties; Tensile strength; Spherical nanoparticles
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In this work, the strength (sigma(1)) and thickness (t) of interphase in polymer nanocomposites reinforced with spherical nanoparticles are modeled by the developed form of Leidner-Woodhams and Pukanszky models for tensile strength. The sigma(i) and t are expressed as functions of B parameter in Pukanszky model and the properties of matrix and nanofiller such as the strength of matrix and the nanoparticles radius and volume fraction. Additionally, the effects of the mentioned parameters on sigma(i), and t are discussed. The calculations show that B has dissimilar effects on sigma(i) and t levels. A high level of B in Pukanszky model suggests a high level of sigma i, while a thin interphase is obtained in this condition. Also, the content of nanoparticles plays different roles in the levels of sigma(1), and t based on the extent of interfacial adhesion between polymer and nanoparticles (B value). The influences of B on t at different nanofiller contents are described by the possibility of nanoparticles aggregation at various values of B. (C) 2015 Published by Elsevier Inc.
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