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引用次数: 0
摘要
使用正磷酸、硫酸和盐酸以及阳离子乳化剂设计了用于缓慢崩解乳液的路面过稳定阳离子沥青乳液配方。测定了所制造的过稳定沥青乳液的物理和机械性能及其破碎行为。结果表明，过度稳定的沥青乳液在 180 天内具有良好的储存稳定性。对沥青乳化液破碎性能的研究结果表明，与正磷酸乳化液相比，盐酸和硫酸乳化液的细料搅拌时间更短，与水泥的搅拌稳定性更高。对于过度稳定的正磷酸沥青乳液，DSTU EN 12848:2020 规定的方法无效，因为正磷酸乳液在与硅酸盐水泥相互作用时反应性很高。
OVER-STABILIZED BITUMEN EMULSIONS MADE FROM EMULSIFIERS FOR SLOW-SETTING EMULSIONS
Formulations of road over-stabilized cationic bitumen emulsions with orthophosphoric, sulfuric and hydrochloric acids and cationic emulsifiers for slowly disintegrating emulsions have been designed. The physical and mechanical properties of the manufactured over-stabilized bitumen emulsions and their breaking behavior were determined. It has been established that over-stabilised bitumen emulsions demonstrate good storage stability for 180 days. The obtained results of breaking behavior bitumen emulsions indicate that emulsions based on hydrochloric and sulfuric acid have a shorter fines mixing time and greater mixing stability with cement than emulsions based on orthophosphoric acid. For over-stabilized bitumen emulsions on orthophosphoric acid, the method according to DSTU EN 12848:2020 is not effective, due to the high reactivity of emulsions on orthophosphoric acid during interaction with portland cement.
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