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2024 Vol.56, Issue 6 Preview Page

Research Article

Optimization of Manufacturing Conditions for Radiation-Crosslinked Hydrogels- Part 1: Effects of Raw Material Mixing Ratios on Hydrogel Properties -

방사선 가교 기반 하이드로겔의 제조 조건 최적화 연구 - 제1보: 원료 혼합 비율이 하이드로겔 특성에 미치는 영향 -

Sa Rang Choi12
,
So Yeong Park3
,
Hyeon Ji Im3
,
Jin-hyeong Kim4
,
Jung Myoung Lee5†
최 사랑12
,
박 소영3
,
임 현지3
,
김 진형4
,
이 중명5†
1Kyungpook National University
2Biocellco Co.Ltd., Republic of Korea
3Major in Wood and Paper Science, Dept. of Wood and Paper Science, School of Forestry, Science and Landscape Architecture, Kyungpook National University
4GEV Co. Ltd., Republic of Korea
5Major in Wood and Paper Science, Dept. of Wood and Paper Science, School of Forestry, Science and Landscape Architecture, Kyungpook National University
1경북대학교 강사
2(주)바이오셀코 대표
3경북대학교 산림과학·조경학부 임산공학전공 학생
4㈜제브 연구원
5경북대학교 산림과학·조경학부 임산공학전공 교수
†Corresponding author: E-Mail: jmylee@knu.ac.kr (Address: Major in Wood and Paper Science, Dept. of Wood and Paper Science, School of Forestry, Science and Landscape Architecture, Kyungpook National University, Republic of Korea)
30 December 2024. pp. 84-93
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Abstract

Carboxymethyl cellulose (CMC) is a promising feedstock candidate for producing eco-friendly, high-absorbency hydrogels. Electron beam irradiation (EBI) offers a safer and more efficient method for hydrogel formation without petrochemical-based crosslinkers. In this study, citric acid (CA) was used as a cross-linking agent to prepare non-toxic and environmentally friendly hydrogels by combining CMC and irradiating with a low dose (7 kGy) of electron beam. The central composite design (CCD) was applied to investigate the effects of CMC and CA concentrations for optimizing the water sorption ability of the hydrogels. The results indicated no gel was formed at CMC concentrations below 5%, while stable cross-linkings were achieved at concentrations above 9%. These conditions produced hydrogels with gel fractions exceeding 80%, water absorption capacities above 75 g/g, and excellent mechanical stiffness.

Keywords
Carboxymethyl cellulose
citric acid
hydrogel
electron beam
response surface design
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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 :6
  • Pages :84-93
  • Received Date : 2024-11-21
  • Revised Date : 2024-12-11
  • Accepted Date : 2024-12-11
  • DOI :https://doi.org/10.7584/JKTAPPI.2024.12.56.6.84
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