Study on the thermal degradation kinetics of SIS-g-BMA |
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DOI: |
Key Words: SIS-g-BMA;thermogravimetry;differential thermogravimetry;thermal degradation kinetics |
Author Name | Affiliation | YANG Xing-kun | Xinyang Normal University | HU Fu-xin | Xinyang Normal University | YANG Xin | Xinyang Normal University |
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Abstract: |
The thermal degradation of SIS-g-BMA in nitrogen and oxygen atmospheres was investigated by thermogravimetry and differential thermogravimetry.The results showed that in nitrogen atmosphere,the temperature range for the first stage of thermal degradation was 398~739 K,weight-loss rate was 93.7%,the temperature at the maximum thermal degradation rate was 658.2 K,the temperature range for the second stage of thermal degradation was 739~945 K,weight-loss rate was 6.3%,average activation energy was 176.1 kJ·mol-1;in oxygen atmosphere,the temperature range for the first stage of thermal degradation was 459~719 K,weight-loss rate was 76.8%,the temperature range for the second stage of thermal degradation was 719~776 K,weight-loss rate was 23.2%,the temperature at the maximum thermal degradation rate was 735.0 K,and average activation energy was 51.76 kJ·mol-1. |
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