Radiation-Induced Grafting of Acrylic Acid onto Cellulose: III. The Water Absorption Characteristics

셀룰로오스에 아크릴산의 방사선 그라프트 반응: III. 셀룰로오스의 흡수특성

  • Kwon, Oh Hyun (Dept. of Industrial Chemistry, Hanyang University) ;
  • Nho, Young Chang (Radioisotopes.Radiation Application Team, Korea Atomic Energy Research Institute)
  • 권오현 (한양대학교 대학원 공업화학과) ;
  • 노영창 (한국원자력연구소 동위원소.방사선응용연구팀)
  • Received : 1997.12.26
  • Accepted : 1998.03.16
  • Published : 1998.08.10


In this study, a water adsorbent was synthesized by radiation grafting of acrylic acid and multifunctional monomers such as 1,2-propanediol dimethacrylate (PDMA) and 1,1,1-trimethylolethane triacrylate (TMETA) onto cellulose and its subsequent treatment with 5% NaOH. Its absorbency on $H_2O$ and 0.9 % NaCl aqueous solution was examined. The highest absorbency on water and on 0.9% NaCl aqueous solution was obtained from the addition of 0.75 vol % PDDMA and of 1.0 vol % TMETA onto acrylic acid solution, respectively. The absorbency of commercial hygienic band on water and NaCl aqueous solution was 21 g/g and 22 g/g, respectively. However, that for acrylic acid-grafted cellulose including TMETA was 298 g/g and 54 g/g, respectively.


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