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采用MonteCarlo方法模拟了不等活性的AA -BB型缩聚反应的数均分子量随时间演化的动力学行为 ,并在模拟中首次考虑了逆反应 ,模拟结果与实验结果吻合得很好 ,从而合理地解释了聚芳醚腈砜 (PENS)合成反应的动力学曲线在反应初期和后期偏离线性关系的原因
The Monte Carlo method was used to simulate the dynamic behavior of the number-average molecular weight (AAEB) of unequal-activity AA-BB polycondensation reaction evolving with time. For the first time, the inverse reaction was considered in the simulation. The simulation results agree well with the experimental results, The kinetic curves of poly (aryl ether nitrile sulfone) (PENS) synthesis reaction deviate from the linear relationship in the early and late stages of the reaction