制备具有有效空气过滤的特殊滤纸用纳米原纤纤维素的方法。短音符

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD Wood Research Pub Date : 2022-04-19 DOI:10.37763/wr.1336-4561/67.2.340347

M. Halaj, Š. Boháček, A. Pažitný, M. Stankovská, A. Russ

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引用次数: 0

摘要

以玉米淀粉为原料，采用NaOH和HCl萃取离心法制备了纳米纤维素。比较了添加/不添加纳米原纤纤维素的漂白硫酸盐浆的SEM图像。结果表明，纳米纤维素的应用使表面孔隙率明显降低。相反，纸浆与纳米原纤纤维素的混合导致纤维之间的大孔。阳离子助留剂对孔隙率的影响并不显著，在细粒保留中观察到。细纤维和粗纤维的孔隙率差别很小。当使用冷冻干燥作为干燥方法时，其产生尺寸在约100至150nm范围内的纳米原纤化纤维素。

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METHODS OF PREPARATION OF NANOFIBRILLATED CELLULOSE FOR SPECIAL FILTER PAPERS WITH EFFECTIVE AIR FILTRATION. SHORT NOTES

Nanofibrillated cellulose was prepared from distillery refuse based on maize starch using the extraction with NaOH and HCl involving centrifugation. SEM images of bleached kraft pulp with/without the addition of nanofibrillated cellulose were compared. Theresults showed that the application of nanofibrillated cellulose caused a visible reduction in the surface porosity. Conversely, mixing of the pulp with the nanofibrillated cellulose resulted in large pores among the fibres. The effect of the cationic retention aid on porosity was not significant, observed in the fines retention. A minimal difference in porosity was found among of fine and coarse fibres.When lyophilisationas drying method was used it yielded nanofibrillated cellulose with a size in the range of approximately 100 to 150 nm.

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来源期刊

Wood Research 工程技术-材料科学：纸与木材

CiteScore

2.40

自引率

15.40%

发文量

审稿时长

5.4 months

期刊介绍： Wood Research publishes original papers aimed at recent advances in all branches of wood science (biology, chemistry, wood physics and mechanics, mechanical and chemical processing etc.). Submission of the manuscript implies that it has not been published before and it is not under consideration for publication elsewhere.