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J. Korean Ceram. Soc. > Volume 25(5); 1988 > Article
Journal of the Korean Ceramic Society 1988;25(5): 479.
졸-겔법에 의한 실리카 유리의 제조와 DCCA로서의 Glycerol의 영향
이경희, 이병하, 이헌식1, 오부근
명지대학교 무기재료공학과
1삼성코닝(주) 연구소
Silica Glass Preparation by The Sol-Gel Process and The Effects of Glycerol as a DCCA
In this study we studied the function of Glycerol as a DCCA(Drying Control Chemical Additives) in the preparation of silica bulk glas through Sol-Gel method. We used TEOS(Tetra Ethyl Ortho Silicate) and maintained the mixing ratio of TEOS : H2O : EtOH : HCI as 1 : 4 : 4 : 0.0007(mol) and varied glycerol input quantity from 0.1vol% considering the ethnaol input quantity as 100vol%. We investigated the changes from Sol-Gel Synthetic solutions to the glass using DT-TG, FT-IR and other instruments. The results obtained from this experiment showed that the dried gels made from the synthetic solutions containing 0.1-1.0vol% of glycerol were easily heat-treated up to 85$0^{circ}C$ so that transparant bulk silica glass was prepared.
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