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2025 Vol.57, Issue 1 Preview Page

Research Article

Fundamental Study on the Manufacture of Eco-friendly Super-absorbent Polymers Using Cellulose Nanofibers

셀룰로오스 나노섬유를 이용한 친환경 고흡수성 수지 제조를 위한 기초 연구

Ji Hyun Tak1
,
Min Seo Kim2
,
Ji Young Lee3†
탁 지현1
,
김 민서2
,
이 지영3†
1Department of Forest Products, Gyeongsang National University
2Department of Environmental Materials Science, Gyeongsang National University
3Department of Environmental Materials Science/IALS, Gyeongsang National University
1경상국립대학교 임산공학과 대학원생
2경상국립대학교 환경재료과학과 대학생
3경상국립대학교 환경재료과학과/농업생명과학연구원 교수
†Corresponding author: E-Mail: paperyjy@gnu.ac.kr (Address: Department of Environmental Materials Science/IALS, Gyeongsang National University, Jinju, 52828, Republic of Korea)
28 February 2025. pp. 78-84
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Abstract

Super-absorbent polymers (SAPs) are materials with excellent ability to absorb and retain hundreds of times their weight in water with a three-dimensional structure and are used in various fields such as personal hygiene, agriculture, and medicine. The SAP currently in commercial use uses acrylic acid, petrochemical polymers, as its main raw material, and has the disadvantage of having negative environmental impacts such as emitting hazardous gases and global warming when disposed of after use. In this study, carboxymethylated cellulose nanofibers (CM-CNFs) were made from cotton linter mixed pulp (CLMP) and hardwood bleached kraft pulp (Hw-BKP) to replace the commercial petrochemical SAP with an eco-friendly SAP, and hydroxyethyl cellulose (HEC) was added to make the eco-friendly SAP. To analyze the characteristics of the prepared SAP, the water absorption and gel content were measured to evaluate its potential use as an SAP, and the characteristics of two types of SAP made from different raw materials were compared to evaluate the potential use of CLMP. CLMP showed the maximum absorption when 10% HEC was added to CM-CNFs, and Hw-BKP showed the maximum absorption when 30% HEC was added. Both types of pulp showed water absorption of about 100 times, and the water absorption and gel content of CLMP were higher than those of Hw-BKP. Therefore, it was confirmed that the performance of the eco-friendly SAP was the best when CM-CNFs made from CLMP and 10% HEC was added.

Keywords
Super absorbent polymer (SAP)
eco-friendly
cotton linter mixed pulp (CLMP)
cellulose nanofiber
carboxymethylated
water absorbent capacity
gel content
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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 : 57
  • No :1
  • Pages :78-84
  • Received Date : 2025-02-06
  • Revised Date : 2025-02-14
  • Accepted Date : 2025-02-14
  • DOI :https://doi.org/10.7584/JKTAPPI.2025.2.57.1.78
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