THE CONFIRMATION OF THE FORMATION OF CLATHRATE-LIKE HYDRATES OF POLY(TETRABUTYLAMMONIUM ETHENESULFONATE) AND OF POLY(TETRAISOPENTYLAMMONIUM ETHENESULFONATE)

被引:1
作者
NAKAYAMA, H
YAMANOBE, M
BABA, K
机构
[1] Division of Materials Science and Chemical Engineering, Faculty of Engineering, Yokohama National University, Yokohama, 240, Tokiwadai, Hodogaya-ku
来源
JOURNAL OF THERMAL ANALYSIS | 1993年 / 40卷 / 02期
关键词
CLATHRATE-LIKE HYDRATES; DSC;
D O I
10.1007/BF02546613
中图分类号
O414.1 [热力学];
学科分类号
摘要
A thermal method using differential scanning calorimeter has been applied to aqueous solutions of a series of poly(tetraalkylammonium ethenesulfonates) (R4NPES). It was found that only the salts with R =n-C4H9 and R =i-C5H11 could form stable hydrates having large hydration numbers. The melting point and hydration numbers of these two hydrates were 12.0-degrees-C and 30+/-1 for the (n-C4H9)4NPES hydrate and 16.0-degrees-C and 53+/-2 for the (i-C5H11)4NPES hydrate, respectively. It was concluded that these hydrates were clathrate-like essentially similar to such hydrates as (n-C4H9)4NF.30H2O and (i-C5H11)4NF.40H2O.
引用
收藏
页码:445 / 451
页数:7
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