A sol-gel process was employed to convert tetraethoxysilane into a SiO2 inorganic network, which was interpenetrating with the epoxy organic network.

• 其中利用sol-gel的制程，将TEOS经水解、缩合反应制备出奈米级的二氧化矽来导入无色的透明有机系统环氧树脂中。