화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.29, 304-313, September, 2015
DOI10.1016/j.jiec.2015.04.010  Export Citation
Preparation of biopolyol by liquefaction of palm kernel cake using PEG#400 blended glycerol
Yoon Ju Jo, Hoang Vu Ly, Jinsoo Kim, Seung-Soo Kim1, †, and EunYeol Lee†
  • Department of Chemical Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-si, Gyeonggi-do 446-701, Korea
  • 1Department of Chemical Engineering, Kangwon National University, 346 Joongang-ro, Samcheok, Gangwon-do 245-711, Korea
E-mail:,
Palm kernel cake was solvothermally liquefied to prepare biopolyols. The liquefaction solvent was polyethylene glycol 400 (PEG #400)-blended glycerol and sulfuric acid was used as the catalyst. The optimal liquefaction conditions for biopolyol production were determined to be PEG#400/glycerol = 9/1, 15%(w/w) biomass loading, 3%(w/w) acid loading, and liquefaction at 150 8C for 90 min. The optimal conditions yielded 92.8% biomass conversion. The hydroxyl and acid numbers of biopolyol at optimal conditions were 236 mg KOH/g and 19 mg KOH/g, respectively. Fourier transform infrared spectroscopy showed that the resulting biopolyol was a suitable monomer for polyurethane synthesis.
Keywords:Palm kernel cake;Biopolyol;Polyurethane;Liquefaction;PEG#400-blended glycerol
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