Tetraethylorthosilicate(TEOS) 혼합계의 과잉 몰부피에 관한 연구

오종혁; 도미선; 박소진

HWAHAK KONGHAK, Vol.34, No.1, 23-27, February, 1996

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Tetraethylorthosilicate(TEOS) 혼합계의 과잉 몰부피에 관한 연구

Study on the Excess Molar Volumes for the Systems of Tetraethylorthosilicate(TEOS) Mixtures

오종혁, 도미선, 박소진

초록

혼합물의 과잉 몰부피는 각 구성 성분의 상호관계를 이해하는데 뿐만 아니라 열역학적 설계에도 중요한 의미를 지닌다. TEOS는 실리카 섬유, 박막, 세라믹스 등의 분야에 있어서 매우 중요한 원료로 사용되는 물질이다. 본 연구에서는 298.15K 등온에서 alcohol(C₁-C₄)+TEOS 혼합계의 과잉 몰부피를 digital vibrating tube densimeter를 이용하여 측정하였다. 본 실험에서 측정한 모든 alkan-1-ol+TEOS 혼합계의 과잉 몰부피는 이상성으로부터 음의 편차를 보였지만, alkan-2-ol+TEOS 혼합계의 경우에는 양의 편차를 보였다. 실험결과는 Redlich-Kister 다항식을 5개의 매개변수를 이용하여 그 상관관계를 알아보았고 그 편차(S_d)는 약 0.01cm³/mol 정도로 나타났다.

Excess molar volume(V^E) of mixture is very important in the thermodynamic design as well as under-standing the relation between constituent components. TEOS is usually used as essential raw materials of silica fibers, thin films, new ceramics, and so on. In this work, excess molar volumes have veen measured for binary mixtures of alcohol(C₁-C₄)+TEOS at 298.15K by using a digital vibrating tube densimeter. Excess molar volumes showed negative deviation from the ideality in the alkan-1-ol+TEOS systems studied in this work. Those of alkan-2-ol+TEOS mixtures showed small positive deviation. Experimental data were fitted by 5 parameter Redlich-Kister equation, and their standard deviations(S_d), from the experimental data were about 0.01cm³/mol.

Keywords:Excess Molar Volume;TEOS;Alcohol;Digital Vibrating Tuve Densimeter;Redlich-Kister Equation

[References]

Papaioannou D, Ziakes D, Panayiotou C, J. Chem. Eng. Data, 36, 35 (1991)
Anand SC, Grolier JE, Kiyohara O, Halpin CJ, Benson GC, J. Chem. Eng. Data, 20, 2 (1975)
Dislich H, Angew. Chem.-Int. Edit., 10, 363 (1971)
Mazdiyasni KS, Ceram. Int., 8, 42 (1982)
Oh JH, Park SJ, Do MS, Rho JS, HWAHAK KONGHAK, 33(4), 488 (1995)
"McGraw-Hill Encyclopedia of Science & Technology," McGraw-Hill, New York (1987)
Weast RC, "CRC Handbook of Chemistry and Physics," CRC Press (1986)
Grolier JE, Karballai MH, Inglese A, Int. Data Ser., Ser. B., Guideline 2C (1977)
Redlich O, Kister AT, Ind. Eng. Chem., 40, 345 (1948)
Perry RH, Green DW, "Perry's Chemical Engineers's Handbook," McGraw-Hill, New York, Sixth Edn. (1984)
Kato M, Tanaka H, J. Chem. Eng. Data, 34, 2 (1989)
Riddick JA, Bunger EB, "Organic Solvents. Physical Properties and Methods of Purification," Wiley-Interscience, New York, 4th ed. (1986)
Pettenati C, Alessi P, Fermeglia M, Kikic I, Thermochim. Acta, 162, 203 (1990)
Dean JA, "Handbook of Organic Chemistry," Donelly & Sons Co. (1987)
Prausnitz JM, Lichtenthaler RN, Azevedo EG, "Molecular Thermodynamics of Fluid-Phase Equilibria," Prentice-Hall, Englewood Cliffs, New York (1986)

[Referenced By]

[1] Papaioannou D, Ziakes D, Panayiotou C, J. Chem. Eng. Data, 36, 35 (1991)

[2] Anand SC, Grolier JE, Kiyohara O, Halpin CJ, Benson GC, J. Chem. Eng. Data, 20, 2 (1975)

[3] Dislich H, Angew. Chem.-Int. Edit., 10, 363 (1971)

[4] Mazdiyasni KS, Ceram. Int., 8, 42 (1982)

[5] Oh JH, Park SJ, Do MS, Rho JS, HWAHAK KONGHAK, 33(4), 488 (1995)

[6] "McGraw-Hill Encyclopedia of Science & Technology," McGraw-Hill, New York (1987)

[7] Weast RC, "CRC Handbook of Chemistry and Physics," CRC Press (1986)

[8] Grolier JE, Karballai MH, Inglese A, Int. Data Ser., Ser. B., Guideline 2C (1977)

[9] Redlich O, Kister AT, Ind. Eng. Chem., 40, 345 (1948)

[10] Perry RH, Green DW, "Perry's Chemical Engineers's Handbook," McGraw-Hill, New York, Sixth Edn. (1984)

[11] Kato M, Tanaka H, J. Chem. Eng. Data, 34, 2 (1989)

[12] Riddick JA, Bunger EB, "Organic Solvents. Physical Properties and Methods of Purification," Wiley-Interscience, New York, 4th ed. (1986)

[13] Pettenati C, Alessi P, Fermeglia M, Kikic I, Thermochim. Acta, 162, 203 (1990)

[14] Dean JA, "Handbook of Organic Chemistry," Donelly & Sons Co. (1987)

[15] Prausnitz JM, Lichtenthaler RN, Azevedo EG, "Molecular Thermodynamics of Fluid-Phase Equilibria," Prentice-Hall, Englewood Cliffs, New York (1986)