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Experimentation, optimization, and predictive analysis of compressive behavior of montmorillonite nano-clay/unsaturated polyester composites

Lookup NU author(s): Dr Kheng-Lim GohORCiD


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© 2022 Society of Plastics Engineers. The effect of montmorillonite (MMT) nano-clay as reinforcement in unsaturated polyester resin (UP) matrix composite was investigated under compression loading to explore the impact of MMT nano-clay wt% in the compressive behavior of UP-MMT nano-clay composite. UP-MMT nano-clay composite samples were prepared with a varied filler content of 0.5 to 3 wt% using dual-mixing methods, which are mechanical stirring and ultrasonic agitation. Static uniaxial compression tests were conducted using cylindrical-shaped samples to obtain the compressive behavior of the UP-MMT nano-clay composites. The results of experimentation record a considerable improvement in compressive characteristics of UP-MMT nano-clay composites compared to pure UP matrix. The UP-MMT nano-clay composite samples were viewed under transmission electron microscope (TEM) to know the dispersion of MMT nano-clay in the composites. The nano-platelets were well dispersed and intercalated in the UP-MMT nano-clay composite samples below 1 wt% MMT nano-clay loading. The optimum wt% of MMT nano-clay in the UP-MMT nano-clay composite for improved compressive stress at yield and modulus were noted as 0.60 and 0.61 wt% respectively. Moreover, a mathematical model using Halpin–Tsai-Jumahat equations was utilized to predict the compressive properties of UP-MMT nano-clay composites, which are in closer agreement with the experimental results.

Publication metadata

Author(s): Abdul Hanan U, Abu Hassan S, Uzir Wahit M, Binoj JS, Mansingh BB, Goh KL

Publication type: Article

Publication status: Published

Journal: Polymer Composites

Year: 2023

Volume: 44

Issue: 1

Pages: 241-251

Print publication date: 01/01/2023

Online publication date: 13/09/2022

Acceptance date: 26/08/2022

ISSN (print): 0272-8397

ISSN (electronic): 1548-0569

Publisher: John Wiley and Sons Inc.


DOI: 10.1002/pc.27041


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