Mechanical and Antibacterial Properties of Polyester/Chitosan/Ag Nanocomposite

Authors

  • Md. Ashadul Islam Department of Materials Science and Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh
  • Md. Waresh Hossain Department of Materials Science and Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh
  • Sajib Madbar Department of Materials Science and Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh
  • Md. Asadul Hoque Department of Materials Science and Engineering, University of Rajshahi, Rajshahi-6205, Bangladesh

Keywords:

Nanoparticles (Ag), Nanocomposite, Chitosan, Polyester resin, Antimicrobial

Abstract

This projects development of a new type of lightweight polymer-based nanocomposite material, utilizing polyester resin as the matrix and incorporating Ag nanoparticles and chitosan as filler materials. Polyester based composites products sometimes suffers from mechanical failure, weather adaption and microbial attack. Our findings demonstrate significant advancements in both mechanical and antibacterial properties of these nanocomposites. Chitosan and Silver (Ag) nanoparticles reinforced polyester based nanocomposites were prepared where chitosan were synthesized from shrimp shell and Ag nanoparticles were synthesized by chemical reduction method. Different percentage of (wt%) chitosan were loaded in polyester matrix and 2.5wt% chitosan loading was found to be optimized. In the optimized polyester-chitosan system different percentage (2.5, 5, 7.5) wt% of Ag nanoparticles were dispersed as reinforcement to fabricate polyester/chitosan/Ag nanocomposites. The resultant polyester based nanocomposites were (i) polyester/chitosan/2.5wt% Ag, (ii) polyester/chitosan/5wt% Ag, (iii) polyester/chitosan/7.5wt% Ag which were compared with the blank polyester resin sheet and optimized polyester/chitosan composite for the investigation of mechanical ( tensile strength, young’s modulus, flexural strength, flexural strain and hardness), water absorption and antimicrobial activities. Among the entire composite and nanocomposites the polyester/chitosan/2.5wt%Ag showed the best results in an average with respect to mechanical, water absorption and antimicrobial activities.

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Published

2024-09-05

How to Cite

Md. Ashadul Islam, Md. Waresh Hossain, Sajib Madbar, & Md. Asadul Hoque. (2024). Mechanical and Antibacterial Properties of Polyester/Chitosan/Ag Nanocomposite. International Journal of Sciences: Basic and Applied Research (IJSBAR), 73(1), 459–471. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/16988

Issue

Vol. 73 No. 1 (2024)

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Articles

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