Variables Influencing the Reinforcing Effect of Organoclay in Polymer Nanocomposites


Year : 2025 | Volume : 15 | Issue : 01 | Page : 55-64
    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, Dhaka, , Bangladesh

Abstract

This study examines how several factors affect the mechanical and thermal characteristics, such as tensile strength, tensile modulus, impact strength, thermal decomposition temperature, and Vicat softening point tests of poly(vinyl chloride)/organoclay nanocomposites. The variables included three different organoclay loading levels, three different screw rotation speeds, and three different plasticizer contents. A co-rotating twin-screw extruder was used to create the poly(vinyl chloride)/organoclay nanocomposite via the melt intercalation process. The properties of the nanocomposite were examined in relation to the impacts of organoclay loading, extruder rotor speed, and plasticizer (dioctyl phthalate) with different concentrations. The clay content of 3 weight percent organoclay showed notable improvements in mechanical parameters, such as tensile strength, tensile modulus, and impact strength, with the maximum mechanical test values generally occurring at 100 rpm. In contrast to the other system and the poly(vinyl chloride)/organoclay system, the addition of a 20-weight percent dioctyl phthalate plasticizer system at 100 rpm resulted in greater mechanical properties. Photographs taken using a transmission electron microscope revealed that during melt mixing, the organoclay was partially exfoliated and intercalated when dioctyl phthalate was present. The thermal stability of the nanocomposites was evaluated using thermogravimetric analysis. The thermogravimetric analysis results demonstrated that the thermal stability of the poly(vinyl chloride) matrix was considerably enhanced by the addition of organoclay.

Keywords: Poly(vinyl chloride), organoclay, nanocomposites, mechanical properties, thermal properties

[This article belongs to Journal of Nanoscience, NanoEngineering & Applications ]

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How to cite this article:
Haydar U. Zaman. Variables Influencing the Reinforcing Effect of Organoclay in Polymer Nanocomposites. Journal of Nanoscience, NanoEngineering & Applications. 2025; 15(01):55-64.
How to cite this URL:
Haydar U. Zaman. Variables Influencing the Reinforcing Effect of Organoclay in Polymer Nanocomposites. Journal of Nanoscience, NanoEngineering & Applications. 2025; 15(01):55-64. Available from: https://journals.stmjournals.com/jonsnea/article=2025/view=192285


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Regular Issue Subscription Original Research
Volume 15
Issue 01
Received 25/11/2024
Accepted 22/12/2024
Published 04/01/2025
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