{"title":"N,N'-二(二氧基硫代磷酰)-1,4-苯二胺的热降解动力学","authors":"Yuan-lin REN , Bo-wen CHENG , Jin-shu ZHANG , Ai-bing JIANG , Wen-li FU","doi":"10.1016/S1005-9040(08)60131-2","DOIUrl":null,"url":null,"abstract":"<div><p>The non-isothermal degradation kinetics of <em>N,N'</em>-di(diethoxythiophosphoryl)-1,4-phenylenediamine in N<sub>2</sub> was studied by TG-DTG techniques. The kinetic parameters, including the activation energy and pre-exponential factor of the degradation process for the title compound were calculated by means of the Kissinger and Flynn-Wall-Ozawa(FWO) method and the thermal degradation mechanism of the title compound was also studied with the Satava-Sestak methods. The results indicate that the activation energy and pre-exponential factor are 152.61 kJ/mol and 9.06 × 10<sup>14</sup> s<sup>-1</sup> with the Kissinger method and 154.08 kJ/mol with the Flynn-Wall-Ozawa method, respectively. It has been shown that the degradation of the title compound follows a kinetic model of one-dimensional diffusion or parabolic law, the kinetic function is <em>G</em>(α)=α<sup>2</sup> and the reaction order is <em>n</em>=2.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 628-631"},"PeriodicalIF":3.1000,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60131-2","citationCount":"4","resultStr":"{\"title\":\"Thermal Degradation Kinetics of N,N'-Di(diethoxythiophosphoryl)-1,4-phenylenediamine\",\"authors\":\"Yuan-lin REN , Bo-wen CHENG , Jin-shu ZHANG , Ai-bing JIANG , Wen-li FU\",\"doi\":\"10.1016/S1005-9040(08)60131-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The non-isothermal degradation kinetics of <em>N,N'</em>-di(diethoxythiophosphoryl)-1,4-phenylenediamine in N<sub>2</sub> was studied by TG-DTG techniques. The kinetic parameters, including the activation energy and pre-exponential factor of the degradation process for the title compound were calculated by means of the Kissinger and Flynn-Wall-Ozawa(FWO) method and the thermal degradation mechanism of the title compound was also studied with the Satava-Sestak methods. The results indicate that the activation energy and pre-exponential factor are 152.61 kJ/mol and 9.06 × 10<sup>14</sup> s<sup>-1</sup> with the Kissinger method and 154.08 kJ/mol with the Flynn-Wall-Ozawa method, respectively. It has been shown that the degradation of the title compound follows a kinetic model of one-dimensional diffusion or parabolic law, the kinetic function is <em>G</em>(α)=α<sup>2</sup> and the reaction order is <em>n</em>=2.</p></div>\",\"PeriodicalId\":9785,\"journal\":{\"name\":\"Chemical Research in Chinese Universities\",\"volume\":\"24 5\",\"pages\":\"Pages 628-631\"},\"PeriodicalIF\":3.1000,\"publicationDate\":\"2008-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60131-2\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Chemical Research in Chinese Universities\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1005904008601312\",\"RegionNum\":4,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemical Research in Chinese Universities","FirstCategoryId":"92","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1005904008601312","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Thermal Degradation Kinetics of N,N'-Di(diethoxythiophosphoryl)-1,4-phenylenediamine
The non-isothermal degradation kinetics of N,N'-di(diethoxythiophosphoryl)-1,4-phenylenediamine in N2 was studied by TG-DTG techniques. The kinetic parameters, including the activation energy and pre-exponential factor of the degradation process for the title compound were calculated by means of the Kissinger and Flynn-Wall-Ozawa(FWO) method and the thermal degradation mechanism of the title compound was also studied with the Satava-Sestak methods. The results indicate that the activation energy and pre-exponential factor are 152.61 kJ/mol and 9.06 × 1014 s-1 with the Kissinger method and 154.08 kJ/mol with the Flynn-Wall-Ozawa method, respectively. It has been shown that the degradation of the title compound follows a kinetic model of one-dimensional diffusion or parabolic law, the kinetic function is G(α)=α2 and the reaction order is n=2.
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