By comparing the pyrolysis process of PAN in Ar with that in vacuum, it is found that the thermal activation energy in vacuum is lower than that in Ar, which indicates that the vacuum atmosphere favors the degradation reaction.
英
美
- 通過(guò)比較聚丙烯腈在氬氣和真空氛圍下的熱解,可以得出聚丙烯腈在真空氛圍中的熱解反應活化能低于氬氣氛圍中的活化能,說(shuō)明真空氛圍能夠降低熱解反應的溫度,加速反應的進(jìn)行。
