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首页> 外文会议>TAPPI Coating and Graphic Arts Conference >Impact of Latex Design on Performance of Coating Formulations Containing Narrow Particle Size Distribution Pigments
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Impact of Latex Design on Performance of Coating Formulations Containing Narrow Particle Size Distribution Pigments

机译：乳胶设计对含有窄粒度分布颜料的涂料配方性能的影响

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Narrow Particle Size Distribution (NPSD) pigments offer higher glossing, higher opacity and higher brightness than their traditional counterparts. This is an appealing concept for the coated paper customer as they can use less TiO2, less optical brighteners and less glossing additives for an opportunity to save money. Because of these properties, any North American coated paper mills are either using some level of a NPSD pigment, exploring higher levels, or undertaking strategic decisions for major conversions to NPSD. However, as coated paper makers move in this direction, they will face issues with formulation solids, water holding, machine runnability, coated sheet strength and tentially rint properties. The performance gaps identified in comparing NPSD pigments to traditional coating pigments can be minimized or overcome with the right latex choice. In this paper we will use common ground carbonate to represent a broad distribution pigment and precipatated calcium carbonate to represent a narrow particle size distribution pigment.The impact of latexes with varying levels of surface modification and their impact on paper coating formulations and finished properties are presented.
机译：窄粒度分布（NPSD）颜料提供比传统对应物更高的光泽度，更高的不透明度和更高的亮度。这是涂层纸客户的吸引人的概念，因为它们可以使用较少的TiO2，较少的荧光发光剂和较少的光泽添加剂，以获得省钱的机会。由于这些属性，任何北美涂层造纸厂要么采用一定程度的NPSD颜料，探索更高的水平，或对NPSD的主要转换进行战略决定。然而，由于涂层制造商朝着这个方向移动，它们将面临配方固体，水控，机器运行，涂层的薄板强度和曲线特性的问题。将NPSD颜料与传统涂料颜料相比，可以最大限度地减少或克服右乳胶选择。在本文中，我们将使用普通的碳酸盐代表宽的分布颜料和沉淀的碳酸钙，以表示窄粒度分布颜料。呈现了胶乳的表面改性水平的影响及其对纸涂料配方的影响和成品性质的影响。

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