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首页> 外文会议>TAPPI(Technical Association of the Pulp and Paper Industry) Coating and Graphic Arts Conference; 20070422-25; Miami,FL(US) >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：乳胶设计对包含窄粒径分布颜料的涂料配方性能的影响

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摘要

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）颜料比传统颜料具有更高的光泽度，更高的不透明度和更高的亮度。对于涂布纸客户而言，这是一个吸引人的概念，因为他们可以使用更少的TiO2，更少的荧光增白剂和更少的上光添加剂，从而节省金钱。由于这些特性，任何北美铜版纸造纸厂要么使用某种水平的NPSD颜料，要么探索更高的含量，要么针对将NPSD进行重大转换而进行战略决策。但是，随着涂布纸制造商朝这个方向发展，他们将面临配方固体，保水，机器运行性能，涂布纸强度和潜在皮棉特性的问题。正确的乳胶选择可以最小化或克服将NPSD颜料与传统涂料颜料进行比较时发现的性能差距。在本文中，我们将使用普通的研磨碳酸盐代表一种广泛分布的颜料，而沉淀的碳酸钙则代表一种窄粒度分布的颜料。介绍了具有不同表面改性水平的乳胶的影响及其对纸涂料配方和最终性能的影响。

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