阳离子聚合物对废石灰污泥填充纤维素纤维网纸防水性的协同作用

Journal of Residuals Science & Technology Pub Date : 2017-01-01 DOI:10.12783/issn.1544-8053/14/1/3

Yating Wang, Lihong He, Guanglei Zhao

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引用次数: 0

摘要

石灰污泥是造纸工业碱液回收中常见的制浆废液产生的污泥。作为纤维素纤维网纸的填料，烷基烯二聚体(AKD)的施胶效率明显下降。采用聚酰胺-聚胺-环氧氯丙烷(PAE)、聚醚酰亚胺(PEI)和壳聚糖作为施胶促进剂来解决上述问题。结果表明，在PAE、PEI和壳聚糖的最佳投加量下，26%石灰污泥填充纸的施胶度分别提高83.4%、68.9%和49.7%。固化时间和固化温度对三种助剂的施胶效率也有显著影响。三种施胶促进剂均能去除湿端阴离子垃圾。此外，PAE还能促进AKD颗粒与纤维素纤维的反应。

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Synergetic Effect of Cationic Polymers on Water Repellency of Cellulosic Fiber Network Paper Filled with Waste Lime Sludge

Lime sludge is commonly generated from the pulping waste liquor in alkali recovery of paper industry. It would cause a significant decrease in the alkyl ketene dimer (AKD) sizing efficiency as used to be the filler for cellulosic fiber networks paper. In the present work, Polyamide-Polyamine-Epichlorohydrin (PAE), Polyetherimide (PEI) and chitosan were used as sizing promoters for addressing the above issue. Results showed that the sizing degree of paper filled with 26% lime sludge could be increased by 83.4%, 68.9% and 49.7%, respectively, at the optimal dosage of PAE, PEI and chitosan. Curing time and curing temperature also had significant impacts on the efficiency of the three sizing promoters. All the three sizing promoters could remove the anionic trash in the wet end. Moreover, PAE could promote the reaction between AKD particles and cellulosic fibers.

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来源期刊

Journal of Residuals Science & Technology 环境科学-工程：环境

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： The international Journal of Residuals Science & Technology (JRST) is a blind-refereed quarterly devoted to conscientious analysis and commentary regarding significant environmental sciences-oriented research and technical management of residuals in the environment. The journal provides a forum for scientific investigations addressing contamination within environmental media of air, water, soil, and biota and also offers studies exploring source, fate, transport, and ecological effects of environmental contamination.