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Highly permeabale paper fabricated with Cold NaOH/Thiourea Treated Smooth Cellulose Fibers

IOP conference series. Earth and environmental science, 2019-03, Vol.242 (3), p.32018 [Peer Reviewed Journal]

Published under licence by IOP Publishing Ltd ;Published under licence by IOP Publishing Ltd. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1755-1307 ;ISSN: 1755-1315 ;EISSN: 1755-1315 ;DOI: 10.1088/1755-1315/242/3/032018

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  • Title:
    Highly permeabale paper fabricated with Cold NaOH/Thiourea Treated Smooth Cellulose Fibers
  • Author: Xiong, Xiaomin ; Zhao, Chuanshan ; Wang, Sha ; Han, Wenjia ; Jiang, Yifei
  • Subjects: Acoustic insulation ; Cellulose ; Cellulose fibers ; Diameters ; Etching ; Fibers ; Insulation ; Low temperature ; Packaging materials ; Permeability ; Physical properties ; Sodium hydroxide ; Thiourea ; Thioureas ; Wood pulp
  • Is Part Of: IOP conference series. Earth and environmental science, 2019-03, Vol.242 (3), p.32018
  • Description: High-permeability paper has a wide range of applications in air filtration media, packaging materials, sound insulation or insulation materials. However, there are still some limitations in the current method for preparing high-thickness and high-permeability paper. In this paper, NaOH/thiourea is used to gently treat wood pulp fibers to improve the bulk of paper. The effects of low temperature treatment time on the surface morphology and physical properties of the paper were investigated. The results showed that, with the increase of mild pretreatment time, the length of fiber decreased slowly, the content of fine fiber was less, and the fiber became swollen and bent and kinky. The effect of thiourea dosage on fiber was further investigated when the treatment time was 20 min. The results showed that when the treatment condition was NaOH of 8 wt% and thiourea of 8 wt%, the length was shorten by 14.51%, the fine fiber content was reduced by 60.62%, and the surface etching phenomenon was aggravated compared with the untreated fiber. The SEM and AFM analysis showed that the fiber surface was obviously folded and the roughness increased by 158%. At the same time, the bulk of paper increased by 39.53% and the average pore diameter of the paper increased from 28.79 μm to 49.62 μm, the air permeability increased by 105.38%. FT-IR indicated no new changes in the chemical structure after treatment. XRD indicated that the fiber crystallinity after treatment decreased by 2.17%.
  • Publisher: Bristol: IOP Publishing
  • Language: English
  • Identifier: ISSN: 1755-1307
    ISSN: 1755-1315
    EISSN: 1755-1315
    DOI: 10.1088/1755-1315/242/3/032018
  • Source: IOP Publishing Free Content
    IOPscience (Open Access)
    Alma/SFX Local Collection
    ProQuest Central
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