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- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received March 21, 2023
Accepted July 3, 2023
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PET 기재 위에 항균성과 김서림 방지 기능을 갖는 코팅 도막 제조
Preparation of Coating Film with Antibacterial and Antifogging Function on PET Substrate
건양대학교 의료신소재학과 35365 대전시 서구 관저동로 158 건양대학교 의료신소재학과
Department of Biomedical Materials, Konyang University, 158 Gwanjeodong-ro, Seo-gu, Daejeon, 35365, Korea
songkc@konyang.ac.k
Korean Chemical Engineering Research, August 2023, 61(3), 439-445(7), 10.9713/kcer.2023.61.3.439 P Epub 31 August 2023
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Abstract
본연구에서는질산은을 PVA로환원시켜은나노입자를합성하였으며, 얻어진은나노입자에 Carboxymethyl cellulose
(CMC)를 첨가시켜 제조된 용액을 PET 기재 위에 코팅함에 의해 항균 특성과 김서림 방지 기능을 갖는 코팅 도막을
제조하였다. 코팅 도막을 80 ℃의 수증기와 접촉 시 코팅되지 않은 PET 기재는 김서림 발생으로 인한 빛의 산란이 발
생해 흐려진 결과를 보인 반면에 CMC가 첨가된 은 나노졸로 코팅된 도막은 수증기와의 접촉에도 불구하고 투명한 상
태를 유지하여 김서림 방지 기능이 우수하였다. 또한 코팅 도막의 항균성을 그램 양성균인 포도상구균과 그람 음성균
인 대장균에 대해 필름 밀착법으로 측정하였다. 코팅되지 않은 PET 기재에서는 많은 포도상구균과 대장균의 집락이
관찰된 반면에 은 나노졸로 코팅된 도막은 포도상구균과 대장균의 성장이 크게 억제되어 항균 효과가 우수하였다.
In this study, silver nanoparticles were synthesized by reducing silver nitrate with PVA, and the solution
prepared by adding carboxymethyl cellulose (CMC) to the silver nanoparticles was coated on a PET substrate to prepare
a coating film with antibacterial and antifogging function. When the coating films were in contact with water vapor at
80 ℃, the uncoated PET substrate was blurred due to the scattering of light due to the occurrence of fog, while the
coating film coated with silver nanosol with CMC remained transparent despite contact with water vapor, showing
excellent antifogging function. In addition, the antibacterial properties of the coating films were measured by film
adhesion method for Staphylococcus aureus, gram-positive bacteria, and Escherichia coli, gram-negative bacteria. The
uncoated PET substrate showed a large number of colonies of Staphylococcus aureus and Escherichia coli, while the
coating film coated with the silver nanosol greatly inhibited the growth of Staphylococcus aureus and Escherichia coli,
resulting in excellent antibacterial effect.
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4. Chang, C. C., Lin, Z. M. and Cheng, L. P., “Preparation of Organic–Inorganic Hybridized Dual-Functional Antifog/Antireflection Coatings on Plastic Substrates,” J. Appl. Polym. Sci., 48822, 1-7(2019).
5. Bretler, S., Kanovsky, N., Iline-Vul, T., Cohen, S. and Margel,S., “In-Situ Thin Coating of Silica Micro/Nano-Particles on Polymeric Films and Their Anti-Fogging Appli A. Physicochem. Eng. Asp., 125444, 1-9(2020).
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9. Xu, C.-A., Qu, Z., Lu, M., Meng, H., Zhan, Y., Chen, B., Wu, K.and Shi, J., “Effect of Rosin on the Antibacterial Activity Against S.aureus and Adhesion Properties of Uv-Curable Polyurethane/Polysiloxane Pressure-Sensitive Adhesive,” Colloids Surf. A. Physicochem. Eng. Asp. 126146, 1-10(2021).
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19. Lee, S. M., Song, K. C. and Lee, B. S., “Antibacterial Activity of Silver Nanoparticles Prepared by a Chemical Reduction Method,” Korean J. Chem. Eng., 27, 688-692(2010).
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21. Darroudi, M., Ahmad, M. B., Abdullah, A. H., Ibrahim, N. A.and Shameli, K., “Effect of Accelerator in Green Synthesis of Silver Nanoparticles,” Int. J. Mol. Sci., 11, 3898-3905(2010).
22. Ahmed, S., Saifullah, Ahmad, M., Swami, B. L. and Ikram, S.,“Green Synthesis of Silver Nanoparticles Using Azadirachta Indica Aqueous Leaf Extract,” J. Radiat. Res. Appl. Sci., 9, 1-7(2016).
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