Preparation and Characterization of Polyolefins/Inorganic Nano-Filler Nanocomposites via Melt Extrusion Process

Year : 2024 | Volume : 26 | Issue : 03 | Page : 35 43
    By

    Haydar U. Zaman,

  1. Assistant Professor, Department of Physics, National University of Bangladesh and Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, P.O. Box-3787, SavarDepartment of Physics, National University of Bangladesh and Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, P.O. Box-3787, Savar,, Dhaka, Bangladesh

Abstract

This work used the melt-mixing method followed by compression molding to create nanocomposites of polyolefins, such as high-density polyethylene and linear low-density polyethylene, packed with both surface-modified and unmodified nano-calcite. The study examined the effects of varying concentrations of nano-calcite, which had been modified using isopropyl tri-(dioctylpyrophosphato) titanate, on the mechanical properties, morphological characteristics, and flow behavior of the resulting nanocomposites. A corotational twin-screw extruder was utilized to manufacture three different compositions of nano-calcite, linear low-density polyethylene, and high-density polyethylene nanocomposites. SEM results showed that nano-calcite treated with isopropyl tri-(dioctylpyrophosphato) titanate enhanced compatibility between high-density polyethylene/linear low-density polyethylene and nano-calcite by increasing interfacial adhesion between the filler and the matrix. Mechanical property measurements demonstrated that the modified nano-calcite filled polyethylene composite had a much better tensile fracture strength than the unmodified composite, particularly when the filler amount was higher. As the weight percent of the fillers grew, so did the impact strength and tensile elastic modulus. Measurements were also made of the melt flow rate of the components used in the nanocomposite. It turned out that adding weight fraction resulted in a decrease in the melt flow rate.

Keywords: Polyolefins, nano-calcite, titanate coupling agent, flow property, mechanical properties

[This article belongs to Nano Trends – A Journal of Nano Technology & Its Applications ]

How to cite this article:
Haydar U. Zaman. Preparation and Characterization of Polyolefins/Inorganic Nano-Filler Nanocomposites via Melt Extrusion Process. Nano Trends – A Journal of Nano Technology & Its Applications. 2024; 26(03):35-43.
How to cite this URL:
Haydar U. Zaman. Preparation and Characterization of Polyolefins/Inorganic Nano-Filler Nanocomposites via Melt Extrusion Process. Nano Trends – A Journal of Nano Technology & Its Applications. 2024; 26(03):35-43. Available from: https://journals.stmjournals.com/nts/article=2024/view=179178


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Regular Issue Subscription Original Research
Volume 26
Issue 03
Received 01/10/2024
Accepted 10/10/2024
Published 22/10/2024
Publication Time 21 Days
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