Synthesis of styrene and n-butyl acrylate latex polymers modified by functional monomers and their waterborne paint applications

IF 2.3 4区 材料科学 Q2 Chemistry
Gokhan Akbulut, Hayal Bulbul Sonmez
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引用次数: 4

Abstract

Emulsion polymerization acrylic latex polymers (in short latex polymers), crucial ingredients of waterborne paints, provide continuous film formation during the drying stage and act as one of the major factors that determine the performance of paints. Modification of latex polymers is an ongoing process to improve paint performance and it can be accomplished by various methods. In this study, styrene and n-butyl acrylate latex polymers are modified by three functional monomers (methacrylamidoethyl ethylene urea (MAEEU), dimethylaminoethyl methacrylate (DMAEMA), and glycidyl methacrylate (GMA)) alone or combined in different amounts in latex polymer formulations. Impacts of these functional monomers both on latex polymers, and paints made from these latex polymers are investigated. The characterization of the latex polymers are analyzed by differential scanning calorimetry (DSC), minimum film forming temperature (MFFT), dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FTIR), and transmission electron microscopy (TEM). Scrub resistance, whiteness, hiding power, glossiness, hardness, contact angle, adhesion on annealed glass and hot-dip galvanized steel surfaces, and color retention properties of the paints are examined. The results are compared with a nonfunctional reference and a commercial styrene-acrylic-based latex polymer, separately. The outcomes confirm that alone and the combinations of these monomers in styrene-acrylic-based latex polymers improve the paint by enhancing scrub resistance, better adhesion on surfaces and the ability to control hydrophobicity and color efficiency.

Graphical abstract

Abstract Image

功能单体改性苯乙烯和丙烯酸正丁酯乳液聚合物的合成及其水性涂料应用
乳液聚合丙烯酸乳液聚合物(简称乳胶聚合物)是水性涂料的关键成分,在干燥阶段提供连续成膜,是决定涂料性能的主要因素之一。胶乳聚合物的改性是提高涂料性能的一个持续的过程,它可以通过各种方法来实现。在本研究中,用三种功能单体(甲基丙烯酰胺乙基乙脲(MAEEU)、甲基丙烯酸二甲胺乙酯(DMAEMA)和甲基丙烯酸甘油酯(GMA))单独或不同量的组合对苯乙烯和丙烯酸正丁酯乳胶聚合物进行改性。研究了这些功能单体对乳胶聚合物和由这些乳胶聚合物制成的涂料的影响。采用差示扫描量热法(DSC)、最小成膜温度(MFFT)、动态光散射(DLS)、傅里叶变换红外光谱(FTIR)和透射电子显微镜(TEM)分析了乳胶聚合物的表征。检查了涂料的耐擦洗性、白度、遮盖力、光泽度、硬度、接触角、在退火玻璃和热镀锌钢表面的附着力和保色性能。结果分别与非功能性参考和商业苯乙烯-丙烯酸基乳胶聚合物进行了比较。结果证实,这些单体单独或组合在苯乙烯-丙烯酸基乳胶聚合物中,通过增强耐擦洗性、更好的表面附着力、控制疏水性和显色效率的能力来改善涂料。图形抽象
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来源期刊
Journal of Coatings Technology and Research
Journal of Coatings Technology and Research CHEMISTRY, APPLIED-MATERIALS SCIENCE, COATINGS & FILMS
CiteScore
4.40
自引率
8.70%
发文量
0
期刊介绍: Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.
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