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首页> 外文期刊>Journal of Vinyl & Additive Technology >Thermal stability and Kinetic Study of rigid and plasticized Poly(vinyl chloride)/Poly(methylmethacrylate) blends
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Thermal stability and Kinetic Study of rigid and plasticized Poly(vinyl chloride)/Poly(methylmethacrylate) blends

机译：硬质和增塑的聚氯乙烯/聚甲基丙烯酸甲酯共​​混物的热稳定性和动力学研究

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摘要

The thermal stability and kinetic parameters for degradation of rigid and plasticized poly(vinyl chloride)/poly (methylmethacrylate) blends have been investigated by using nonisothermal thermogravimetry in a flowing atmosphere of air. For that purpose, blends of variable composition from 0 to 100 wt% were prepared in the presence (15, 30, and 50 wt%) and in the absence of di-(-2-ethyl hexyl) phthalate as plasticizer. Measurements were carried out in the temperature range of 30-550 degrees C and at various heating rates (5, 10, 20, and 40 degrees C/min). The kinetic parameters (E-a and A) were determined by applying the integral Kissinger method. Results indicate that these parameters and the thermal stability of the blends are dependent on the blend composition and the amount of plasticizer present. J. VINYL ADDIT. TECHNOL., 21:102-110, 2015. (c) 2014 Society of Plastics Engineers
机译：通过在空气流动的环境中使用非等温热重法研究了刚性和增塑的聚氯乙烯/聚甲基丙烯酸甲酯共​​混物降解的热稳定性和动力学参数。为此，在存在（15、30和50wt％）和不存在邻苯二甲酸二-（-2-乙基己基）酯作为增塑剂的情况下，制备0至100wt％的可变组成的共混物。在30-550摄氏度的温度范围内和各种加热速率（5、10、20和40摄氏度/分钟）下进行测量。通过应用积分基辛格方法确定动力学参数（E-a和A）。结果表明，这些参数和共混物的热稳定性取决于共混物的组成和增塑剂的含量。 J.乙烯基添加物。 TECHNOL。，21：102-110，2015.（c）2014年塑料工程师学会

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