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2023 Vol.55, Issue 5

Research Article

Particle Size and Dispersion Properties of Cellulose Beads Fabricated via Coaxial Needle Spray Method

동축 바늘 스프레이법으로 제조된 셀룰로오스 비즈의 입자 크기와 분산 특성

Younglae Kim1
,
Feng Xu1
,
Byoung-Uk Cho2†
김 영래1
,
서 풍1
,
조 병욱2†
1Department of Paper Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University
2Department of Paper Material Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University
1강원대학교 산림환경과학대학 제지공학과, 학생
2강원대학교 산림환경과학대학 종이소재과학전공, 교수
†Corresponding author: E-Mail: bucho@kangwon.ac.kr (Address: Department of Paper Material Science & Engineering, Kangwon National University, Chunchon, 24341, Republic of Korea)
30 October 2023. pp. 5-12
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Abstract

Microbeads with a diameter of 500 μm or smaller are used in the production of cosmetic products, such as foam cleansers. To replace the usage of plastic microbeads in cosmetics with ecofriendly alternatives such as cellulose, development of technologies for producing cellulose beads with a diameter of ≤500 μm, particularly reducing their sizes to <100 μm, is crucial. Herein, cellulose beads with a particle size of 30–250 μm were fabricated via spray method using a coaxial needle and tetraethylammonium hydroxide/urea/cellulose solution. Reduced inner diameter of the needle and increased air pressure decreased the cellulose bead size. Furthermore, the results show that the dispersibility of cellulose beads can be improved by dispersing them in a solvent with low surface tension and employing a gradual drying method, such as air drying.

Keywords
Cellulose beads
coaxial needle
spray method
particle size
dispersibility
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Information
  • Publisher :Korea Technical Association of The Pulp and Paper Industry
  • Publisher(Ko) :한국펄프종이공학회
  • Journal Title :Journal of Korea TAPPI
  • Journal Title(Ko) :펄프종이기술
  • Volume : 55
  • No :5
  • Pages :5-12
  • Received Date : 2023-08-14
  • Revised Date : 2023-09-14
  • Accepted Date : 2023-09-18
  • DOI :https://doi.org/10.7584/JKTAPPI.2023.10.55.5.5
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