Mechanism and kinetics of thermal dissociation of inclusion complex of beta-cyclodextrin and 1-methylcycloopropene

作者：He Y; Sun J^*

来源：Chinese Journal of Chemical Physics, 2006, 19(1): 89-92.

DOI：10.1360/cjcp2006.19(1).89.4

• 1-methylcyclopropene
• beta-cyclodextrin
• inclusion complex
• kinetics
• mechanism
• thermal dissociation

The inclusion-complex of CD-MCP (beta-cyclodextrin (beta-CD) including 1-methylcyclopropene (1-MCP)) was prepared and characterized. Basing on programmed-heating procedure and weight-temperature analysis, as well as the application of Satava-Sestak's, Ozawa's and Kissinger's methods, the mechanism and kinetics of thermal dissociation of this inclusion complex were studied. An additional mass loss is found at 170-180 degrees C. The mechanism of thermal dissociation of CD-MCP is dominated by a one-dimensional random nucleation and subsequent growth process (A(2/3)). The activation energy E-S and the pre-exponential factor A(S) for the process are 102.14 kJ/mol and 3.63x10(10) s(-1), respectively. This E-S value shows that there is no strong chemical interactions between beta-CD and 1-MCP.

• 出版日期2006-2-27
• 单位吉林化工学院; 东北大学