随着反应时间的延长，样品收率、挥发份产率不断降低，而软化点和甲苯不溶物含量则不断升高。
The sample yield and the fugitive constituent decreased with time, but the softening point and the content of toluene insoluble components increased.
煤沥青经氧化聚合后，挥发分由52.22%下降到16%以下，相应的甲苯不溶物含量由30%增加到81%以上。
After oxidative polymerization of pith, its volatile matter is decreased from 52.22% to 16%, and its toluene insoluble matter is increased from 30% to 81%.
经超临界甲苯萃取过的沥青(SCFE沥青)丝毫不含导致小单元尺寸各向异性结构的喹啉不溶物(QI)。
Pitches extracted -with supercritical toluene (SCFE pitch) contained none of the quinoline insoluble (QI) matter responsible for anisotropic structures with small unit sizes.
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