2011•Journal of Changchun University of Science and TechnologyRequires access

Preparation of Nano-porous Glass and Research on Factors Effecting Pore Size

Zhonghui Sun

Abstract

Porous glass based on sodium borosilicate glass was prepared.The procedures include phase separation and acid treatment.The surface micro-structure of porous glass were studied by scanning electron microscope(SEM).The absorption properties of porous glass were characterized by adsorption isotherm,specific surface and pore size distribution with the help of N2 absorption.The effects of compositions doping,acid process,thermal treatment time and thermal treatment temperature on pore diameter of porous glass were studied.The results show that the most effective and convenient way of adjusting the pore size of porous glass is adulterating different compositions.

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Key concepts: Borosilicate glass, Porous glass, Materials science, Porosity, Scanning electron microscope, Adsorption, Chemical engineering, Absorption (acoustics)