Hydrates of organic compounds. X. The formation of clathrate hydrates of tetrabutylammonium alkanesulfonates.

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概要

• 論文の詳細を見る

• The solid–liquid phase diagrams of binary mixtures of water with tetrabutylammonium alkanesulfonate (<I>n</I>-C<SUB>4</SUB>H<SUB>9</SUB>)<SUB>4</SUB>NO<SUB>3</SUB>SR(R=CH<SUB>3</SUB>–C<SUB>5</SUB>H<SUB>11</SUB>) and with tetrabutylammonium benzenesulfonate were examined in order to confirm the formation of clathrate-like hydrates. It has been found that (1) all the sulfonates examined can form clathrate-like hydrates with hydration numbers either around 30 or around 39; (2) these hydrates can be classified into three groups I, II, and III on the basis of the hydration numbers and melting points just as in the case of a series of tetrabutylammonium carboxylate hydrates; and (3) generally, the melting points of these sulfonate hydrates are lower than those of tetrabutylammonium carboxylate hydrates. The formation of clathrate-like hydrates of tetrabutylammonium hydrogensulfite and of tetrabutylammonium sulfite has also been reported and is discussed in an appendix.

• 公益社団法人 日本化学会の論文

著者

• Nakayama Haruo

  Department Of Material Science Faculty Of Engineering Yokohama National University

• Usui Hideyuki

  Department of Chemistry, Faculty of Engineering, Yokohama National University

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• Hydrates of organic compounds. X. The formation of clathrate hydrates of tetrabutylammonium alkanesulfonates.
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