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干酪素可以提高砂浆流动性和自愈合性,是水泥基自流平材料最重要的塑化剂之一。然而,天然干酪素产品存在质量波动问题,对砂浆性能具有严重影响。本文通过将天然干酪素组分分离纯化,制备了人工复合型干酪素,考察了复合干酪素对自流平砂浆流动性及稳定性的影响,为实现高品质自流平外加剂提供了一定指导。
Casein can improve the fluidity and self-healing properties of mortar and is one of the most important plasticizers for cementitious self-leveling materials. However, the natural casein product has problems with quality fluctuations and has a serious impact on the performance of the mortar. In this paper, artificial casein was prepared by separating and purifying natural casein. The effects of complex casein on the fluidity and stability of self-leveling mortar were investigated. The results provide some guidance for the realization of high-quality self-leveling admixture.