石油残渣低分子有机化合物改性沥青的制备。甲醛改性沥青在道路建设中的应用前景

Volodymyr Gunka, Myroslava Donchenko, Yuriy Demchuk, Iryna Drapak, Michael Bratychak
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引用次数: 0

摘要

以不同的酸为催化剂,采用37%的甲醛水溶液对沥青进行了改性,目的是获得新的道路建设用粘结材料。以H2SO4、HCl、H3PO4和СH3COOH为催化剂。改性过程在378 ~ 403 K温度范围内进行,时间为0.6 ~ 1.0 h。研究了甲醛改性焦油在333、343、353 K温度下的流变性能,并将得到的沥青粘结材料与氧化沥青的流变性能进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Production of Bitumen Modified with Low-Molecular Organic Compounds from Petroleum Residues. 8. Prospects of Using Formaldehyde Modified Tars in Road Construction
Modification of tars with formalin (37 % aqueous solution of formaldehyde) was carried out using various acids as process catalysts with the aim of obtaining new binding materials for road construction. H2SO4, HCl, H3PO4, and СH3COOH were used as catalysts. The modification process was carried out in the temperature range of 378-403 K and for a duration of 0.6-1.0 h. The rheological properties of tars modified with formaldehyde at 333, 343, and 353 K were studied and a comparison of the rheological properties of the obtained bituminous binder materials with oxidized bitumens was carried out.
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