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Chemical characterization of silanized silver nanoparticles impregnated in poly (methyl methacrylate) resin: An in
V Thillai Nayaki1, Suma Karthigeyan1, Seyed Asharaf Ali1
1Department of Prosthodontics and Crown and Bridge, Rajah Muthiah Dental College and Hospital, Annamalai University, Chidambaram, Tamil Nadu, India.
Aim:
The intention was to determine the chemical interaction of silanized AgNPs with PMMA by Fourier transform infrared (FTIR) spectroscopy.
Settings And Design:
In-vitro comparative study.
Materials And Methods:
This study is composed of four groups - 0.75% AgNP, 1.0% AgNP, 1.5% AgNP impregnated with PMMA, and nonimpregnated PMMA as control. The chemical nature of silanized AgNPs was studied using FTIR study.
Results:
The results showed the appearance of new peak between 1727/cm and 1436/cm, i.e., 1636.476/ cm, 1645.886/cm, and 1646.885/cm, representing the C = C stretch in the experimental groups, i.e., 2, 3, and 4, respectively. This peak confirms that coupling agent has chemically interacted with PMMA.
Conclusion:
It can be concluded that the AgNPs coated with the silane coupling agent TMSPM has chemically reacted with PMMA.
