水性涂料中缔合增稠剂的比较流变学评价：聚合粘合剂和增稠剂浓度的影响

Q1 Environmental Science

Case Studies in Chemical and Environmental Engineering Pub Date : 2025-01-28 DOI:10.1016/j.cscee.2025.101122

Manassé Kushenga Cibangwa , Daniel Ikhu-Omoregbe , Myalelo Nomnqa

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引用次数: 0

摘要

本研究以疏水改性乙氧基化聚氨酯（HEUR）和疏水改性碱膨胀乳剂（HASE）为增稠剂，以苯乙烯丙烯酸（SA）和纯丙烯酸（PA）为粘结剂，研究了水性涂料的流变学和光学性能。新的见解包括HASE与PA粘合剂的优越增稠效率和弹性，而HEUR在粘合剂之间保持一致的性能。重要的是，流变学和光学属性（如光泽度和不透明度）之间的相关性已经建立，突出了流变学在优化涂料配方的应用和美学性能方面的关键作用。这项研究填补了对装饰涂料中粘结剂-增稠剂相互作用理解的空白。

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Comparative rheological evaluation of associative thickeners in water-based paint: Influence of polymeric binder and thickener concentration

This study investigates the rheological and optical performance of water-based paints using Hydrophobically Modified Ethoxylated Urethane (HEUR) and Hydrophobically Modified Alkali Swellable Emulsions (HASE) as thickeners with styrene acrylic (SA) and pure acrylic (PA) binders. Novel insights include the superior thickening efficiency and elasticity of HASE with PA binders, while HEUR maintained consistent performance across binders. Importantly, a correlation between rheology and optical attributes such as gloss and opacity has been established, highlighting rheology's critical role in optimizing paint formulations for application and aesthetic performance. This study bridges the gap in understanding binder-thickener interactions in decorative paints.

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