Surface and optical properties of calcium carbonate paper

Q4 Chemistry
I. Ismailov, K. Babakhanova, A. A. Sadriddinov, M. A. Babahanova, D. Saidova
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引用次数: 1

Abstract

The article investigates the surface and optical properties of calcium carbonate paper obtained at the UzbekChinese enterprise Fergana stone paper company (Uzbekistan), in order to identify the possibility of their use at printing enterprises for printing multicolor products using traditional printing methods. According to the results of a quantitative assessment of the surface quality by the indirect Beck method, we can say that paper sample 1 has a smoothness like coated paper (750–1500 s), paper samples 2 and 3 – like calendered paper, so that these paper samples can be recommended for prints with increased quality requirements. Smaller values of roughness Ra and small depressions, expressed by darkening in the topographic AFM images, characterized sufficient homogeneity and density of the structure. It was also revealed that the surface of the paper samples has a high ability to specularly reflect the incident light, since the percentage of surface reflection is similar to that of coated papers. Samples of paper have a whiteness of about 90 % and do not have a tint, since the difference between the maximum and minimum values of the reflection coefficients on a white stack is not more than 10 %. The tested paper samples can be recommended without restrictions for double-sided printing, since the opacity index is more than 92 %.
碳酸钙纸的表面及光学性能
本文考察了乌中合资企业费尔干纳石材纸公司(乌兹别克斯坦)生产的碳酸钙纸的表面和光学性能,以确定其在印刷企业使用传统印刷方法印刷多色产品的可能性。根据间接贝克法对表面质量的定量评估结果,我们可以说,纸样1具有像铜版纸(750-1500秒)一样的平滑度,纸样2和纸样3具有像压延纸一样的平滑度,因此这些纸样可以推荐用于对质量要求较高的印刷品。较小的粗糙度Ra值和较小的凹陷,在地形AFM图像中通过变暗表示,表明结构具有足够的均匀性和密度。研究还表明,由于表面反射率与涂布纸相似,纸张样品的表面具有很高的镜面反射入射光的能力。纸张样品的白度约为90%,没有色调,因为白色堆叠上反射系数的最大值和最小值之间的差异不超过10%。由于不透明度指数大于92%,因此可以推荐不受限制的纸张样品用于双面印刷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
0.30
自引率
0.00%
发文量
38
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