Journal of Inorganic Materials >
Preparation and Antibacterial Performance of Zinc Pyrithione/Montmorillonite
Received date: 2009-09-30
Revised date: 2009-11-19
Online published: 2010-05-12
A novel antibacterial composite, zinc pyrithione/montmorillonite(ZPT/MMT) was in situ prepared by introducing pyrithione anion into the galleries of zinc-exchanged montmorillonite. The results of XRD, FT-IR, TG, DSC and UV-Vis DRS show that pyrithione anion exists in the form of zinc pyrithione, resulting in an increase of basal spacing of montmorillonite (d001 value) from 1.29nm to 1.85nm, and the ZPT/MMT has a favorable light and thermal stability (the decomposition temperature is above 240℃). Antibacterial assays indicate that ZPT/MMT has an excellent antibacterial activity against Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus.
Key words： pyrithione anion; montmorillonite; intercalation; antibacterial activity
WANG Yun-Bin, YANG Jin-Tao, FEI Zheng-Dong, CHEN Feng, ZHONG Ming-Qiang . Preparation and Antibacterial Performance of Zinc Pyrithione/Montmorillonite[J]. Journal of Inorganic Materials, 2010 , 25(5) : 512 -516 . DOI: 10.3724/SP.J.1077.2010.00512
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