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花钻奇

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选择四氯乙烯作为分散介质,考察了改性前后颗粒在四氯乙烯中的分散情况。TEM结果表明改性前的颗粒在四氯乙烯中有团聚比较严重,粒径分布较宽,颗粒较大;而改性后的颗粒团聚减少,分散较均一,粒径分布变窄,颗粒较小。说明改性后的颗粒比改性前的在四氯乙烯中分散性能更好。
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phu_grassman

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花钻奇: 金币+20, 翻译EPI+1, ★★★★★最佳答案 2014-05-04 15:00:56
The dispersity of the particles in the dispersant of tetrachloroethylene before and after modification was investigated. TEM characterization shows that particles in tetrachloroethylene before modification are severely aggregated and have large sizes with a relatively wide size distribution. Whereas, the modified particles shows less aggregates and are uniformly dispersed with samll sizes. This demonstrates that the partiles after modification have better dispersity in tetrachloroethylene than before modification.
2楼2014-05-04 14:48:25
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