THERMOGRAVIMETRIC PROPERTIES OF INCLUSION COMPLEXES OF BETA-CYCLODEXTRIN WITH BENZENE, ACETYLSALICYLIC-ACID AND METHYL SALICYLATE

被引：10

作者：

SZAFRANEK, A ^{[1
]}

SZAFRANEK, J ^{[1
]}

机构：

[1] UNIV GDANSK,DEPT CHEM,PL-80952 GDANSK,POLAND

来源：

JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY | 1993年 / 15卷 / 04期

关键词：

BETA-CYCLODEXTRIN; INCLUSION COMPLEXES; AROMATIC COMPLEXES; THERMOGRAVIMETRY;

D O I：

10.1007/BF00708752

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper reports TG analyses of inclusion complexes of beta-cyclodextrin with benzene, acetylsalicylic acid and methyl salicylate. The data were used for calculation of the compositions of the three body complexes and the apparent kinetic parameters of the thermal decompositions. Water exclusion proceeds as a reaction with order n = 1 and an activation energy about 20 kJ/mol. The expulsion of aromatic guest molecules follows an n = 1 order process with the activation energy above 155 kJ/mol, except that for the methyl salicylate complex, which was found to be ca. 64 kJ/mol.

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页码：351 / 358

页数：8

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