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Zeolite X with potassium diformate as a sustained-release antibacterial agent

  • Yue Hu
  • Xiaowei Guo
  • Yinchang Pei
  • Xiuli Wang
  • Qinglin Xie
  • Nanchun ChenEmail author
Article
  • 35 Downloads

Abstract

A reaction of 800 mesh stellerite and a concentration of 15% hydrochloric acid in a solid to liquid ratio of 1:3 was carried out for 2 h at \(80^{\circ }\hbox {C}\). Most of its impurities were removed. It can be used as precursors for the preparation of high quality zeolite. Zeolite X which is octahedral crystal shape as cube, 96% of the degree of crystallinity has been synthesized hydrothermally from \(n(\hbox {SiO}_{2}/\hbox {Al}_{2}\hbox {O}_{3})=3, n(\hbox {Na}_{2}\hbox {O}/\hbox {SiO}_{2})=1.14\) and \(n(\hbox {H}_{2}\hbox {O/Na}_{2}\hbox {O})=37\) by controlling reaction temperature and time. The synthesis included zeolite X as carriers, chitosan as intermediates, a mass ratio of zeolite X:chitosan:potassium diformate \(=\) 3:1:2 in weight for 2 h at \(40^{\circ }\hbox {C}\). X-ray photoelectron spectroscopy analysis showed hydrogen bond formation by the chitosan amino hydrogen, potassium diformate oxygen and zeolite X oxygen or hydrogen bond formation by free hydroxyl group of zeolite X and oxygen of chitosan’s C–O, indicating effective grafting. Zeolite X sustained-release antibacterial agent was prepared with an inhibition rate of 78.16% by the antibacterial.

Keywords

Stellerite zeolite X potassium diformate chitosan sustained-release antibacterial agent 

Notes

Acknowledgements

We acknowledge financial support from the National Natural Science Foundation of China (Nos. 41662005 and 51564008) and Guangxi Natural Science Foundation (2015GXNSFAA139094).

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Copyright information

© Indian Academy of Sciences 2019

Authors and Affiliations

  • Yue Hu
    • 1
  • Xiaowei Guo
    • 1
  • Yinchang Pei
    • 1
  • Xiuli Wang
    • 2
  • Qinglin Xie
    • 3
  • Nanchun Chen
    • 1
    • 2
    Email author
  1. 1.School of Material Science and EngineeringGuilin University of TechnologyGuilinPeople’s Republic of China
  2. 2.Key Laboratory of New Processing Technology for Nonferrous Metals and MaterialsMinistry of EducationGuilinPeople’s Republic of China
  3. 3.College of Chemistry and BioengineeringGuilin University of TechnologyGuilinPeople’s Republic of China

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