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Title: The effect of interfacial interactions on the mechanical properties of polypropylene/natural zeolite composites
Authors: Metin, Dildare
Tıhmınlıoğlu, Funda
Balköse, Devrim
Ülkü, Semra
Keywords: Polypropylenes
Polymer-matrix composites
Pukanszky model
Interface interphase
Mechanical properties
Issue Date: Jan-2004
Publisher: Elsevier Ltd.
Source: Metin, D., Tıhmınlıoğlu, F., Balköse, D., and Ülkü, S. (2004). The effect of interfacial interactions on the mechanical properties of polypropylene/natural zeolite composites. Composites Part A: Applied Science and Manufacturing, 35(1), 23-32. doi:10.1016/j.compositesa.2003.09.021
Abstract: The effect of interfacial interactions on the mechanical properties of polypropylene (PP)/natural zeolite composites was investigated under dry and wet conditions. Interfacial interactions were modified to improve filler compatibility and mechanical properties of the composites by surface treatment of natural zeolite with a non-ionic surface modifier; 3 wt% polyethylene glycol (PEG) and three different types of silane coupling agents; 3-aminopropyltriethoxysilane (AMPTES), methyltriethoxysilane (MTES) and 3-mercaptopropyltrimethoxysilane (MPTMS), at four different concentrations (0.5-2 wt%). PP composites containing (2-6 wt%) zeolite were prepared by an extrusion technique. The tensile properties of the composites determined as a function of the filler loading and the concentration of the coupling agents were found to vary with surface treatment of zeolite. Silane treatment indicated significant improvements in the mechanical properties of the composites. According to the dry and wet tensile test results, the maximum improvement in the mechanical properties was obtained for the PP composites containing 1 wt% AMPTES treated zeolite. The improvement in the interfacial interaction was confirmed using a semi-empirical equation developed by Pukanszky. Good agreement was obtained between experimental data and the Pukanszky model prediction. Scanning electron microscopy studies also revealed better dispersion of silane treated filler particles in the PP matrix.
ISSN: 1359-835X
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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