Effect of dose on mole percentages of polymer brush and root grafted onto porous polyethylene sheet by radiation-induced graft polymerization

Ryo Ishihara, Shoichiro Uchiyama, Hidekazu Ikezawa, Shinsuke Yamada, Hideyuki Hirota, Daisuke Umeno, Kyoichi Saito*

*この研究の対応する著者

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Glycidyl methacrylate (GMA) was graft-polymerized onto a porous sheet (75% porosity and 1.6-μm average pore size) previously irradiated with an electron beam. The resultant grafted poly-GMA chain can be classified as a polymer brush extending from the pore surface toward the pore interior and a polymer root invading the polymer matrix. The boundary crossing the pore/matrix interface can be detected in two independent ways: molar conversion of the epoxy group into a sulfonic group providing a plateau in the molar conversion versus reaction time curve and molar conversion exhibiting a breakthrough point in the swelling ratio versus molar conversion curve. A higher irradiation dose was found to lead to a higher mole percentage of polymer brush in the graft chain. The dose range from 20 to 200 kGy corresponded to the mole percentage range of polymer brush from 6% to 15%.

本文言語English
ページ(範囲)12582-12586
ページ数5
ジャーナルIndustrial and Engineering Chemistry Research
52
35
DOI
出版ステータスPublished - 2013 9月 4
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 化学工学(全般)
  • 産業および生産工学

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