Recycling Svetocopy Eco Paper

IF 0.5 4区 工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY
E. G. Smirnova, M. A. Midukova, V. N. Seleznev, O. V. Rybnikov, E. L. Akim
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引用次数: 0

Abstract

The optical and mechanical properties of secondary fibers of a new type of Russian office paper SvetoCopy Eco were studied after purification by various methods. The studied optical properties were whiteness, brightness, fluorescence, and opacity. Data for entrapment of toner in the samples were also given. The region of toner entrapment was distributed evenly during preliminary two-stage dry dispersion of the fibrous material, which led to a reduction in the whiteness and total removal of toner visible to the naked eye. It was experimentally established that the enzyme α-amylase increased the optical properties of the samples whereas their mechanical properties decreased insignificantly. Domestically manufactured enzymes were used for the first time during flotation of SvetoCopy Eco paper, which increased the practical significance of the results. The effect of two-stage dry dispersion, which practically completely removed entrapped toner, was studied. However, this reduced the whiteness and mechanical properties of the fibrous material. A complex of chemical reagents was used in experimental studies on toner removal.

Abstract Image

回收 Svetocopy 环保纸
通过各种方法对俄罗斯新型办公用纸 SvetoCopy Eco 的二次纤维进行提纯后,对其光学和机械性能进行了研究。研究的光学特性包括白度、亮度、荧光和不透明度。同时还给出了墨粉在样品中的吸附数据。在纤维材料初步的两阶段干法分散过程中,墨粉夹带区域分布均匀,这导致白度降低,肉眼可见的墨粉被完全去除。实验证明,α-淀粉酶提高了样品的光学性能,而其机械性能却没有明显下降。在 SvetoCopy Eco 纸的浮选过程中,首次使用了国产酶,这增加了实验结果的实际意义。对两级干法分散的效果进行了研究,这种方法实际上可以完全去除夹带的墨粉。然而,这降低了纤维材料的白度和机械性能。在墨粉去除实验研究中使用了一种化学试剂复合物。
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来源期刊
Fibre Chemistry
Fibre Chemistry 工程技术-材料科学:纺织
CiteScore
0.70
自引率
60.00%
发文量
70
审稿时长
6-12 weeks
期刊介绍: Fibre Chemistry publishes original research and review articles in the field of man-made fibre production and application. The journal offers scientific and technical articles on the following aspects: chemistry, technology, machinery and economics of man-made production; the initial monomers and polymers; the properties of man-made fibres and their processing in various industry branches (textiles, rubber, composites, etc).
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