The Variation of Surface Area in Porous Poly(Styrene-co-Divinylbenzene) Resin Beads

다공성 스티렌-디비닐벤젠 공중합 수지입자의 표면적 변화

  • Kim, Yong-Man (Dept. of Chem. Eng., KAIST) ;
  • Ihm, Son-Ki (Dept. of Chem. Eng., KAIST) ;
  • Kim, Jong-Chan (Dept. of Chem. Eng. and Res. Ins. Environ. Prot., Gyeongsang Nat'l Univ.) ;
  • Lee, Dong-Keun (Dept. of Chem. Eng. and Res. Ins. Environ. Prot., Gyeongsang Nat'l Univ.) ;
  • Ahn, Jou-Hyeon (Dept. of Chem. Eng. and Res. Ins. Environ. Prot., Gyeongsang Nat'l Univ.)
  • 김용만 (한국과학기술원 화학공학과) ;
  • 임선기 (한국과학기술원 화학공학과) ;
  • 김종찬 (경상대학교 화학공학과 및 환경보전연구소) ;
  • 이동근 (경상대학교 화학공학과 및 환경보전연구소) ;
  • 안주현 (경상대학교 화학공학과 및 환경보전연구소)
  • Received : 1996.01.08
  • Accepted : 1996.07.29
  • Published : 1996.10.10

Abstract

Porous resin beads of Poly(styrene-co-divinylbenzene) have been prepared by suspension polymerization. The bead could be made porous in the region above 30wt% of the crosslinking agent(divinylbenzene ) and the porogenic agent(toluene), respectively. The specific surface area of porous beads increased with increasing the concentrations of divinylbenzene and toluene. The specific surface area of the porous resin bead decreased, when sulfonated with concentrated sulfuric acid. The catalytic activity of sulfonated resin catalyses increased with increasing the degree of crosslinking in the liquid-phase reesterification of ethyl acetate with 1-propanol. The adsorbed quantity of sodium dodecylbenzene sulfonate in an aqueous solution also increased with increasing surface area of porous resins.

Keywords

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