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Rheological modification of bitumens with new poly-functionalized furfural analogs

机译:新型多官能糠醛类似物对沥青的流变改性

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摘要

The rheological properties of bitumens modified with different aldehydes show that furfural is a very efficient reagent. An optimization of the reaction conditions involving concentration, acid catalyst, reaction time and temperature has been performed. In order to determine the influence of the furan ring and the formyl groups on the reactivity of bitumens, a series of new organic molecules as chemical reagents bearing up to six furan rings and four formyl groups, have been reacted with a B 80/100 bitumen. The results indicate a remarkably better performance than furfural, leading to harder modified bitumens.
机译:用不同醛改性的沥青的流变特性表明糠醛是一种非常有效的试剂。已经对涉及浓度,酸催化剂,反应时间和温度的反应条件进行了优化。为了确定呋喃环和甲酰基对沥青反应性的影响,已将一系列带有多达六个呋喃环和四个甲酰基的化学试剂系列新有机分子与B 80/100沥青进行了反应。 。结果表明比糠醛具有更好的性能,从而导致更硬的改性沥青。

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