利用离子交换法制备高强载银抗菌玻璃及其性能测试

doi:10.11896/cldb.19050115

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Abstract The Na₂O-Al₂O₃-SiO₂ system glass was ion exchange strengthened by KNO₃/NaNO₃ mixed molten salts, and then the tempered glasses were put into AgNO₃/KNO₃ mixed molten salt with different proportions to prepare high-strength Ag-carrying antibacterial glass. The bending strength of glass samples were measured by universal testing machine, the element distribution on the glass surface was measured by EDS and the antimicrobial activity of glass was determined by viable counting method. The results show that the glass with high strength, high transmittance and good antibacterial ability can be produced by two-step ion exchange process. Moreover, ion exchanging for 2 h with mass ratio of mixed salt m(KNO₃)∶m(NaNO₃)=9∶1 in the first step and 10 minutes with mass ratio of mixed salt m(AgNO₃)∶m(KNO₃)=1∶9 in the second step making the antibacterial glass obtain optimized comprehensive properties.

Key words： chemical tempering Ag-carrying antibacterial glass

Published: 29 May 2020

CLC number:

TB321

Fund:This work was financially supported by the Top Innovative Training Program of School of Materials Science and Engineering, Donghua University.

About author:: Haifeng Wang, female, Ph.D., associate professor, School of Materials Science and Engineering, Donghua University. She has been engaged in the research of inorganic non-metallic materials for many years. She has rich research experience in electronic glass, glass deep processing, glass modification technology and composite bonding materials. She has host or participate in a number of research projects, and the products widely used in aerospace, aviation equipment.

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	WANG Haifeng
	XU Guixiang
	DONG Yungu
	XIONG Neng
	WANG Ruoxuan

Cite this article:

WANG Haifeng,XU Guixiang,DONG Yungu, et al. Preparation and Properties of High Strength Ag-carrying Antibacterial Glass by Ion Exchange Method[J]. Materials Reports, 2020, 34(12): 12040-12044.

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http://www.mater-rep.com/EN/10.11896/cldb.19050115 OR http://www.mater-rep.com/EN/Y2020/V34/I12/12040

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