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논문 상세정보

졸겔법에 의한 다공성 실리카 유리의 합성에 있어서 유기물의 영향

Effects of Organic Substances in the Preparation of Porous Silica Glass by the Sol-Gel Process

Abstract

To control the pore size of silcia gel, formamide (FA), N,N-dimethyl formamide (DMF), polyethylene glycol (PEG) and polyacrylic acid (PAA) were added in the sol-gel process from starting solution with tetramethyl orthosilicate (TMOS). The gels were characterized using porosimeter, TG-DTA and SEM. As a result, the more contents of FA and PAA was increased the more gelation time was decreased, also the more contents of DMF and PEG was increased the more gelling time was increased. The mean pore size of gels was larger in the order of PAA, DMF, FA and PEG. And the mean pore size of porous silica glass was 59.0$\AA$, 31.5$\AA$, 29.9$\AA$ and 29.0$\AA$, respectively, heated at 75$0^{\circ}C$/100$0^{\circ}C$.

참고문헌 (15)

  1. Mesoporous Material Produced from Layer Compound , T. Iwasaki , Ceramics Japan / v.27,pp.422-426, 1992
  2. Generation of SiO₂Membranes from Alkoxysilanes on Porous Supports , A Kaiser;H. Schmidt , J Non-Cryst. Solids / v.63,pp.261-271, 1984
  3. Control of Pore Size Distribution of Silica Gel through Sol-Gel Process using Water Soluble Polymers as Additives , S. Sato;T. Murakata;T. Suzuki;T. Ohgawara , J Mat. Sci. / v.25,pp.4880-4885, 1990
  4. Preparation of Porous SiO₂-ZrO₂Glass from Sol Containing Polyethylene glycol , T. Yazawa;A. Miyake;H. Tanaka , 日本セラミクス協會學術論文誌 / v.99,pp.1094-1097, 1991
  5. Formation of Size-controlled Micro-pores in Amorphous Mixed Oxides by an Advanced Sol-Gel Method , M. Toba;F. Mizukami;S. Niwa;K. Maeda , J Chem. Soc Chem. Commun / v.,pp.1211-1212, 1990
  6. Properties and Sintering of Gels Derived from Metal Alkoxide , S. Sakka;H Kozuka;S. Somiya(ed.);M. Shimda(ed.);M Yoshimura(ed.);R. Watanabem(ed.) , Sintering 87 (Proceedings of the 4th International Symposium on Science and Technology of Sintering) / v.,pp.145-150, 1988
  7. The Role of Chemical Additives in Sol-Gel Processing , L. Hench;G. Orcel;L. Nogues , Better Ceramics through Chemistry Ⅱ / v.,pp.35-46, 1986
  8. Effect of Formamide Additive on the Chemistry of Silica Sol-Gels Ⅱ , G. Orcel;L. Hench;I. Jonas;I. Artaki;T. Zeda , J Non-Cryst. Solids / v.105,pp.223-231, 1988
  9. The Role of N,N-Dimethyl-formamide, a DCCA, in the Formation of Silica Gel Monoliths by Sol-Gel Method , T. Adachi;S. Sakka , J. Non-Cryst. Solids / v.99,pp.118-128, 1988
  10. Phase Separation in Silica Sol-Gel System Containing Polyacrylic acid Ⅳ. Effect of Chemical Additives , K. Nakanishi;N. Soga , J Non-Cryst. Solids / v.142,pp.45-54, 1992
  11. Effects of Amide Additives on Polymerization of Silica Under Acidic Conditions , T. Horiuchi , J Non-Cryst. Solids / v.144,pp.277-286, 1992
  12. Preparation of 10T₁O₂·90S₁O₂Glass by Sol-Gel Process , J. Rhee et al. , J. Kor. Ceram. Soc. / v.23,pp.27-34, 1986
  13. Sol-Gel Transition in Simple Silicates , C. Brinker;K. Keefer;D. Schaeffer;C. Ashley , J Non-Cryst. Solids / v.48,pp.47-64, 1982
  14. Preparation and Some Properties of Organic-Inorganic Gels in the Tetraethylorthosilicate-Polyethylene glycol System , R. Ota;A. Watanabe;J. Fukunaga;N. Yoshida , 日本セラミックス協會學術論文誌 / v.97,pp.213-218, 1989
  15. Structural Developments During the Gel to Glass Transition , N. Tohge;G. Moore;J. Mackenzie , J. Non-Cryst Solids / v.63,pp.95-103, 1984

이 논문을 인용한 문헌 (2)

  1. 1994. "Study on the Polymer Gel Fiber of Alkali Resistance Zirconia System for GRC" 요업학회지 = Journal of the Korean Ceramic Society, 31(8): 934~940 
  2. 1998. "Synthesis and Characteristics of Porous Silica Ceramics with Organic Additives(I)" 요업학회지 = Journal of the Korean Ceramic Society, 35(9): 958~968 

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