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.
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.
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