Measurements of the solubility coefficients of gases and vapors in natural rubber by gas chromatographic technique.

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概要

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• The solubility coefficients of hydrocarbons in unvulcanized natural rubber at 25 °C were determined by gas-liquid chromatography. Natural rubber was used as a stationary liquid and nine kinds of lower olefins and paraffins as solutes. The retention volume for all the solutes did not vary with sample size. It was found that the correction for gas phase imperfection is negligible. Thus the solubility coefficient was readily obtained from the specific retention volume without any correction. The values obtained were in fairly good agreement with those determined by the volumetric method given in other works. Modified equations expressing the relationships between the solubility coefficient and the boiling temperature, the critical temperature, and the Lenard-Jones force constant, which might be applicable to a more extensive range of gaseous compounds, were presented.

• 公益社団法人 日本化学会の論文

著者

• Kawakami Mitsuyasu

  Department of Industrial Chemistry, Faculty of Engineering, Nagasaki University

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• Measurements of the solubility coefficients of gases and vapors in natural rubber by gas chromatographic technique.

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