Thermal, Dielectric and Polarized Microscopy Studies of 1-Octadecylamine

Naotake Nakamura Department of Chemistry, Faculty of Science and Engineering, Ritsumeikan University, Tojiin-kitamachi, Kita-ku, Kyoto, 603, Japan

Masao Okada Department of Chemistry, Faculty of Science and Engineering, Ritsumeikan University, Tojiin-kitamachi, Kita-ku, Kyoto, 603, Japan

Yutaka Okada Department of Chemistry, Faculty of Science and Engineering, Ritsumeikan University, Tojiin-kitamachi, Kita-ku, Kyoto, 603, Japan

Kaichiro Sugita Department of Chemistry, Faculty of Science and Engineering, Ritsumeikan University, Tojiin-kitamachi, Kita-ku, Kyoto, 603, Japan

Abstract

Measurements of the physical properties of 1-octadecylamine were carried out in a temperature range of 30 to 120°C. The melting point of the compound was observed at 55°C and no liquid crystalline phase was found within this temperature range. The decomposition point of the carbonate of this amine was found to be a little higher than the melting point. A mixture of the amine with a small amount of its carbonate gave DSC curve similar to that of typical liquid crystalline materials.

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Thermal, Dielectric and Polarized Microscopy Studies of 1-Octadecylamine

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Thermal, Dielectric and Polarized Microscopy Studies of 1-Octadecylamine

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