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All Journal Journal of Material Science and Radiation
Nor Adnin Ezani Mohd Ezani
Malaysian Nuclear Agency, Bangi
Materials Science & Nanotechnology Physics

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Characterization of Photocurable Functionalized-CNT Nanocoating to Mitigate the Naturally Emission of Radon Gas Aisha Dalila Ab Aziz; Mohd Hamzah Harun; Izzuddin Mohamad Zaharuddin; Nor Adnin Ezani Mohd Ezani; Norfazlinayati Othman; Mahathir Mohamed; Mohd Sofian Alias; Mohd Faizal Abd Rahman; Khairil Nor Kamal Umar; Nurul Huda Mudri; Khairul Azhar Abdul Halim; Mohamad Syahiran Mustafa; Lakam Mejus; Faizal Azrin Abdul Razalim; Rosley Che Ismail; Abdul Muiz Mohd Sani; Sharilla Mohd Faisal; Rida Tajau
Journal of Material Science and Radiation Vol. 1 No. 3 (2025)
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/jmsr.v1i3.480

Abstract

This study focuses on the synthesis and characterization of an anti-radon photocurable nanocoating formulated using a UV-curable formulation incorporated with functionalized carbon nanotubes (F-CNTs). The coating was prepared using Ebecryl 600 (urethane acrylate oligomer) and TMPTA (monomer), with GPTMS as a coupling agent and various photoinitiator combinations. Different F-CNT loadings ranging from 0.1 to 0.9 wt% were studied to evaluate their effects on coating performance. The samples were cured under UV irradiation for 2–20 passes to investigate the influence of exposure time on polymer crosslinking. Characterization analyses including pendulum hardness, Fourier-transform infrared spectroscopy (FTIR), viscosity, gel content, and radon gas permeability were performed. Results indicated that the incorporation of F-CNTs enhanced the mechanical strength and crosslinking density of the coating. The optimal formulation exhibited a hardness of 150.33 s (BAPO + 8 passes) and a gel content of 97%. Furthermore, radon concentration measurements showed a 28.9% reduction after applying a single coating layer, confirming the coating’s potential as an effective barrier for radon gas mitigation.
Synthesis of Carbon Nanomaterials from Polyethylene Terephthalate (PET) Waste Using Chemical Vapor Deposition Nor Adnin Ezani Mohd Ezani; Mohd Hamzah Harun; Izzuddin Mohd Zaharuddin; Norfazlinayati Othman; Mahathir Mohamed; Mohd Sofian Alias; Mohd Faizal Abd Rahman; Khairil Nor Kamal Umar; Nurul Huda Mudri; Khairul Azhar Abdul Halim; Farah Fadzehah Hilmi; Rida Tajau
Journal of Material Science and Radiation Vol. 1 No. 3 (2025)
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/jmsr.v1i3.482

Abstract

Upcycling is an effective approach to reduce plastic waste, polyethylene terephthalate (PET) and promote sustainability. Plastic bottles usually were made from PET polymer and a raw material to produce carbon nanomaterials (CNMs). CNMs are synthesized using chemical vapor deposition (CVD) process and purified to eliminate catalysts and unwanted compounds. Various catalysts were used to investigate the economic and effective in producing the CNMs. Metal catalysts such as ferrocene, cobalt and iron are the important elements in the CVD process as they provide surfaces for carbon to attach. CNMs morphology and graphitic structure were observed from Raman analysis and TEM analysis. The application of upcycling offers the advantage of utilizing low-cost raw materials to produce higher-value products, providing additional benefits.
Superhydrophobic Surface from Sol Gel Synthesis of Thin Sol Gel Fluorinated Silica Coating Norfazlinayati Othman; Mohd Hamzah Harun; Izzuddin Mohamad Zaharuddin; Nor Adnin Ezani Mohd Ezani; Mahathir Mohamed; Mohd Sofian Alias
Journal of Material Science and Radiation Vol. 2 No. 1 (2026)
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/jmsr.v2i1.495

Abstract

A thin fluorinated silica coating was synthesized via a sol–gel route using silica nanoparticles as surface roughness agents functionalized with long-chain fluoroalkylsilane. The coatings were characterized for surface wettability, optical transmittance, infrared spectra, and morphology. All samples exhibited excellent optical transparency as verified by UV–visible spectroscopy. The fluorinated silica coating demonstrated markedly enhanced water repellency compared to TEOS and TEOS–FAS systems, confirming the critical role of fluorinated silica in improving hydrophobicity. These findings indicate its strong potential for application as a transparent hydrophobic coating in optoelectronic devices, lenses, and window materials
Eco-Friendly Radiation Curable Acrylate Coatings Reinforced with Functionalized Carbon Nanotubes for Antimicrobial Application Nur Zetty Amirah Kadri; Mohd Hamzah Harun; Izzuddin Mohd Zaharuddin; Nor Adnin Ezani Mohd Ezani; Norfazlinayati Othman; Mahathir Mohamed; Mohd Sofian Alias; Mohd Faizal Abd Rahman; Khairil Nor Kamal Umar; Nurul Huda Mudri
Journal of Material Science and Radiation Vol. 2 No. 2 (2026): August
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/jmsr.v2i2.724

Abstract

This study presents the development of high-performance radiation curable acrylate coatings reinforced with functionalized carbon nanotubes (F-CNTs) synthesized from waste plastic bottles by chemical vapor deposition method for antimicrobial applications. Epoxy and polyurethane acrylate resins (Ebecryl 600 and Ebecryl 210) were formulated with varying F-CNT loadings (0.05–0.70 wt%) and subjected to different ultraviolet (UV) curing exposure by varying UV exposure. Fourier Transform Infrared (FTIR) analysis confirmed successful photopolymerization through the reduction of acrylate functional groups and formation of a crosslinked network. Thermogravimetric analysis (TGA) demonstrated enhanced thermal stability and increased char residue at higher F-CNT concentrations (0.70 wt%), attributed to the barrier effect of nanotubes with the expense of crosslinking density due to the shading effect of F-CNTs. Antimicrobial study using E. coli revealed a significant reduction in bacterial viability, achieving near-complete inhibition within 24 h of exposure. The results highlight that optimal F-CNT dispersion is critical, as potential excessive loading can hinder curing efficiency due to agglomeration. Overall, this work demonstrates a sustainable and effective strategy for developing multifunctional coatings with enhanced durability and antimicrobial performance for healthcare and industrial applications
Co-Authors Abdul Muiz Mohd Sani Aisha Dalila Ab Aziz Faizal Azrin Abdul Razalim Farah Fadzehah Hilmi Izzuddin Mohamad Zaharuddin Izzuddin Mohd Zaharuddin Khairil Nor Kamal Umar Khairul Azhar Abdul Halim Lakam Mejus Mahathir Mohamed Mahathir Mohamed Mohamad Syahiran Mustafa Mohd Faizal Abd Rahman Mohd Hamzah Harun Mohd Sofian Alias Mohd Sofian Alias Norfazlinayati Othman Norfazlinayati Othman Nur Zetty Amirah Kadri Nurul Huda Mudri Rida Tajau Rosley Che Ismail Sharilla Mohd Faisal