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The Influence of Drying Conditions of Clay-Based Polymer Coatings on Coated Paper Properties

机译：粘土基聚合物涂层干燥条件对涂布纸特性的影响

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摘要

Coatings based on pigment and polymer binders are applied on paper surfaces to improve their surface, optical, and printing properties. Besides the coating composition, the structure and properties of the coated papers are influenced by the coating layer consolidation upon drying. In this study, the influence of drying conditions on the structure and properties of coating layers based on natural pigments (clay) and polymer binders (butadiene acrylonitrile latex) has been analyzed. Using a laboratory rod Mayer device, the coatings were applied as thin layer (about 15–16 g/m2) on the paper surface and samples of coated paper were dried at 20 and 105 °C temperatures. The optical, structural, and water absorption properties of the coating layer were evaluated by the measurement of gloss, opacity, void fraction, light scattering, and contact angle. The obtained results highlighted that both the drying temperature and latex content in the coating color have a synergic effect on the coated paper quality.
机译：基于颜料和聚合物粘合剂的涂层施加在纸表面上，以改善它们的表面，光学和印刷性能。除了涂料组合物之外，涂覆纸的结构和性质受干燥后涂层固结的影响。在该研究中，已经分析了干燥条件对基于天然颜料（粘土）和聚合物粘合剂（丁二烯丙烯腈胶乳）的涂层结构和性能的影响。使用实验室杆MUSER器件，将涂层施加为薄层（约15-16g / m 2），在纸张表面上，并在20和105℃的温度下干燥涂布纸的样品。通过测量光泽，不透明度，空隙部分，光散射和接触角来评价涂层的光学，结构和吸水性。所得结果强调，涂料中的干燥温度和胶乳含量均对涂覆纸质具有协同作用。

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