Effect of Temperature of Tetraethylammonium Hydroxide/Urea/Cellulose Solution on Surface Tension and Cellulose Bead Size

被引：0
作者：
An H.-J. [1 ]
Park H.E. [2 ]
Cho B.-U. [1 ]
机构：
[1] Department of Paper Science & Engineering, College of Forest and Environmental Science, Kangwon National University
[2] Department of Chemical and Process Engineering, College of Engineering, University of Canterbury
来源：
Palpu Chongi Gisul/Journal of Korea Technical Association of the Pulp and Paper Industry | 2021年 / 53卷 / 06期
关键词：
Cellulose beads; dropping; particle size; solution temperature; surface tension; viscosity;
D O I：
10.7584/JKTAPPI.2021.12.53.6.69
中图分类号：
学科分类号：
摘要：
Effects of temperature of the tetraethylammonium hydroxide (TEAH)/urea/cellulose solution on viscosity, surface tension, and size of cellulose beads were investigated. Hardwood bleached kraft pulp (HwBKP) was used as a cellulose sauce and the dropping method was utilized to fabricate cellulose beads. Temperature of cellulose solution was varied from 30℃ to 50℃. When the temperature of cellulose solution was increased, the viscosity decreased while the surface tension increased. In addition, increasing the temperature of cellulose solution resulted in the increased size of cellulose beads possibly due to the increased surface tension. © 2021 Korean Technical Assoc. of the Pulp and Paper Industry. All rights reserved.
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页码：69 / 76
页数：7
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