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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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煤沥青可溶组分在甲苯中缔合行为的研究
, PP. 774-778
Keywords: 煤沥青,缔合,缔合动力学,黏度
Abstract:
？采用流体力学参数法研究了煤沥青可溶组分ts在甲苯中的缔合行为，确定了ts在甲苯中不同温度下的临界缔合浓度，并计算出缔合过程中成核阶段和成团阶段的缔合动力学参数。结果表明，293~353k，ts溶液黏度随浓度的增加而增加，在13~26g/l的浓度时出现了拐点，且拐点随温度升高而沿坐标轴方向右移。成核阶段和成团阶段均为一级缔合反应，两阶段活化能分别为17.25和12.41kj/mol。
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