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2024 Vol.56, Issue 2 Preview Page

Research Article

The Characteristics of Wet-laid Nonwoven Sheet Using Lyocell/Wood Pulp Fibers

Lyocell/Wood pulp 섬유를 활용한 Wet-laid Nonwoven 시트의 특성

Soon Wan Kweon1
,
Yong Ju Lee1
,
Do Young Lee1
,
Jeong Rak Choi2
,
Hyoung Jin Kim3†
권 순완1
,
이 용주1
,
이 도영1
,
최 정락2
,
김 형진3†
1Dept. of Forest Products & Biotechnology, College of Science and Technology, Kookmin University
2Korea Textile Development Institute
3Dept. of Forest Products & Biotechnology, College of Science and Technology, Kookmin University
1국민대학교 과학기술대학 임산생명공학과, 학생
2한국섬유개발연구원, 책임연구원
3국민대학교 과학기술대학 임산생명공학과, 교수
†Corresponding author: E-Mail: hyjikim@kookmin.ac.kr (Address: Dept. of Forest Products & Biotechnology, College of Science and Technology, Kookmin Univ. Seoul, Republic of Korea)
30 April 2024. pp. 30-40
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Abstract

Nonwoven fabrics are widely utilized in various industries due to their excellent bulk characteristics, productivity, and flexibility. With increasing global interests in environmental sustainability, there is a growing trend towards utilizing biodegradable and renewable raw materials in nonwoven production. In this study, we employed papermaking technology to fabricate wet-laid nonwoven fabric using Lyocell, a natural regenerated cellulose fiber, and wood fiber. We aimed to investigate the influence of fiber selection and mixing ratio on mechanical and surface properties. Mechanical property analysis revealed that the inclusion of wood fiber led to improve strength while reducing bulk due to the low density and smooth surface structure of Lyocell. To analyze surface characteristics, surface roughness and surface friction were analyzed, and as a result of analyzing each parameter, the coefficient of determination (R2) of the two parameters was 0.02, which was analyzed as an independent variable. Therefore, it was judged that a complementary approach considering both variables was necessary. As a result of surface roughness analysis, it was difficult to identify significant differences due to increasing the ratio of lyocell to wood fiber. However, as a result of the surface friction analysis, the F-MAD of the wet nonwoven fabric made only with Lyocell fiber showed a value of 0.043, and the value decreased when 50% wood fiber was mixed, confirming the possibility of improving softness. Furthermore, the analysis highlighted the influence of fiber length and width on softness, suggesting the importance of fiber characteristics in nonwoven fabrication. Overall, our findings suggest that incorporating wood fibers in wet-laid nonwoven manufacturing can enhance both strength and softness. These results provide insights for future nonwoven manufacturing technologies and quality control strategies.

Keywords
Regenerated cellulose fiber
lyocell
wet-laid nonwoven
bulk
tensile index
surface profile
surface roughness
surface friction
profilometry
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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 : 56
  • No :2
  • Pages :30-40
  • Received Date : 2024-04-10
  • Revised Date : 2024-04-21
  • Accepted Date : 2024-04-23
  • DOI :https://doi.org/10.7584/JKTAPPI.2024.4.56.2.30
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