Ring-opening reaction of poly-GMA chain grafted onto a porous membrane

Min Kim, Satoshi Kiyohara, Satoshi Konishi, Satoshi Tsuneda, Kyoichi Saito*, Takanobu Sugo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


An epoxy-group-containing polymer chain was grafted onto a porous polyethylene membrane of hollow-fiber form by applying radiation-induced graft polymerization. The produced epoxide was converted into a diol group, ion-exchange (diethylamino and sulfonic acid) and chelate-forming (ethylenediamine and iminodiacetic acid) groups, and pseudoaffinity ligands (phenylalanine and tryptophan). The conversion of the epoxide into the functional group was investigated as a function of the degree of GMA grafting and molecular weight of the reactants. A reactant with low molecular weight exhibited a high conversion. The high conversion of the epoxide into the ion-exchange group caused the extension of the polymer chain grafted onto the pore interface and decreased the water permeability through the hollow-fiber membrane.

Original languageEnglish
Pages (from-to)33-38
Number of pages6
JournalJournal of Membrane Science
Issue number1-2
Publication statusPublished - 1996 Aug 21
Externally publishedYes


  • Epoxy ring
  • Glycidyl methacrylate
  • Porous membrane
  • Radiation-induced graft polymerization
  • Ring-opening reaction

ASJC Scopus subject areas

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation


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