不同碳黑含量PMMA的热降解行为和动力学分析

龙庆, 王传洋

Thermal Degradation Behavior and Kinetics Analysis of PMMA with Different Carbon Black Contents

LONG Qing, WANG Chuanyang

表3 Freeman-carroll法下不同碳黑含量下PMMA的反应级数n

Table 3 Reaction order n of PMMA with different CB contents by Freeman-Carroll method

β/℃·min-1 Freeman-Carroll CCB/% 0 0.05 0.1 0.15 0.2 0.25 n R2 n R2 n R2 n R2 n R2 n R2 5 0.91 0.9998 0.62 0.9988 1.40 1.0000 1.38 1.0000 1.11 1.0000 0.38 0.9978 10 0.92 0.9998 1.07 1.0000 1.44 1.0000 1.37 1.0000 0.58 0.9990 0.95 0.9996 15 1.13 1.0000 1.52 0.9998 1.28 1.0000 1.44 1.0000 1.91 0.9986 1.20 1.0000 20 1.53 0.9996 0.95 0.9998 1.52 0.9996 1.60 0.9998 1.50 0.9996 1.45 0.9998 Average value 1.12 0.9998 1.04 0.9996 1.41 0.9999 1.45 1.0000 1.27 0.9993 1.00 0.9993