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首页> 外文期刊>Journal of Applied Polymer Science >Paper coating mixture: Preparation, application, and study of their rheological properties
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Paper coating mixture: Preparation, application, and study of their rheological properties

机译：纸涂料混合物：流变学性质的制备，应用和研究

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The finish obtainable on coated paper depends on the materials used as well as the way in which it is calendered. The rheological properties of the coated mixtures revealed the difference between them. When the apparent viscosity, eta, was calculated and plotted against the shear rate, gamma, on a log-log graph, an approximate linear relations were obtained. On the other hand, a plot is drawn between the sheer rate and shear stress, in which a hysteresis loop is obtained connecting the up and down curves. It is clear from these plotting, that the rheological properties for the prepared coating mixtures show time-dependent behavior, because they are share rate dependence, and they can form sol-gel character. Moreover, the pigments used in the coating mixture were usually chosen because of their different impacts on coating color properties and also on the properties of the coating layer. Therefore, one can use the coating mixture to have higher optical properties and to improve the permeability of the sheets. (C) 2000 John Wiley & Sons, Inc. [References: 15]
机译：在铜版纸上可获得的光洁度取决于所用材料以及压光方式。包衣混合物的流变性质揭示了它们之间的差异。当计算表观粘度η并相对于剪切速率γ在对数-对数图上作图时，获得了近似的线性关系。另一方面，在剪切速率和剪切应力之间绘制了一个图，其中获得了一个连接上，下曲线的磁滞回线。从这些图中可以清楚地看出，所制备的涂料混合物的流变性质表现出时间依赖性，因为它们是份额依赖性的，并且可以形成溶胶-凝胶特性。此外，通常选择在涂料混合物中使用的颜料是因为它们对涂料颜色性能以及涂层性能的不同影响。因此，可以使用涂料混合物来具有更高的光学性能并改善片材的渗透性。 （C）2000 John Wiley＆Sons，Inc. [参考：15]

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