Formulation and analysis of acrylic emulsion coatings with chrome yellow, phthalocyanine blue, and red oxide pigments using high speed disperser and bead mill techniques

IF 3.2 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
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Abstract

A major commercial problem is achieving stable and fine particle pigment dispersion, especially for aqueous pigment dispersions. It is essential to optimize dispersants in order to moisten, disperse, and stabilize pigments throughout the milling process. This study focuses on formulating acrylic emulsion coatings using chrome yellow, phthalocyanine blue, and red oxide pigment concentrates. The formulations were developed using both high-speed dispersers (HSD) and bead mills. A quality evaluation of the products from the two milling techniques was carried out. Formulations made with chrome yellow, phthalocyanine blue, and red oxide pigment concentrates in a water-based, binder-free system using bead mills, Tween-80, SLS, and cocosulphosuccinate surfactants showed narrower particle size distributions and stronger color than those made with HSD. Specifically, formulations prepared with bead mills and the aforementioned surfactants demonstrated superior color strength compared to those prepared with HSD. The color shade of acrylic emulsion coatings formulated with phthalocyanine blue and red oxide pigment concentrates, along with Tween-80 and cocosulphosuccinate surfactants using HSD, matched the standard color shade formulations prepared in bead mills. However, formulations using phthalocyanine blue pigment concentrates with SLS and oleylsulphosuccinate surfactants in HSD did not match the standard color shade prepared in bead mills.

Abstract Image

利用高速分散机和珠磨机技术配制和分析含有铬黄、酞菁蓝和氧化红颜料的丙烯酸乳液涂料
实现稳定的细颗粒颜料分散,尤其是水性颜料分散,是一个主要的商业难题。必须优化分散剂,以便在整个研磨过程中润湿、分散和稳定颜料。本研究的重点是使用铬黄、酞菁蓝和氧化红颜料浓缩物配制丙烯酸乳液涂料。配方的开发同时使用了高速分散机(HSD)和珠磨机。对两种研磨技术的产品进行了质量评估。在水基无粘合剂体系中,使用珠磨机、吐温-80、SLS 和椰油琥珀酸酯表面活性剂配制铬黄、酞菁蓝和红色氧化物颜料浓缩物的配方,与使用 HSD 配制的配方相比,粒度分布更窄,颜色更浓。具体来说,与使用 HSD 制备的配方相比,使用珠磨机和上述表面活性剂制备的配方具有更强的着色力。用酞菁蓝和红色氧化物颜料浓缩物以及吐温-80 和椰油琥珀酸酯表面活性剂配制的丙烯酸乳液涂料的色度与用珠磨机配制的标准色度配方相匹配。然而,在 HSD 中使用酞菁蓝颜料浓缩物与 SLS 和油基琥珀酸酯表面活性剂配制的配方与珠磨机制备的标准色调不匹配。
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来源期刊
CiteScore
3.50
自引率
7.70%
发文量
492
审稿时长
3-8 weeks
期刊介绍: The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.
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