结果表明，当聚苯乙烯大单体的投料质量分数在40%左右时，此接枝共聚物是一种性能良好的热塑性弹性体。
The graft copolymer was a kind of thermoplastic elastomer with good mechanical properties when mass fraction of polystyrene macromer was about 40%.
结果表明，当聚苯乙烯大单体的投料质量分数在40%左右时，此接枝共聚物是一种性能良好的热塑性弹性体。
The graft copolymer was a kind of thermoplastic elastomer with good mechanical properties when mass fraction of polystyrene macromer was about 40%.
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