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Emulsion grafting of glycidyl methacrylate onto polyethylene fiber

ポリエチレン繊維を用いたグリシジルメタクリレートのエマルショングラフト重合

瀬古 典明; Nguyen, T. Y. N.*; 玉田 正男

Seko, Noriaki; Nguyen, T. Y. N.*; Tamada, Masao

基材にはポリエチレン繊維を用い、ドデシル硫酸ナトリウム(SDS)を界面活性剤に用いたグリシジルメタクリレート(GMA)のエマルショングラフト重合を行った。エマルション溶液を構成するミセルは5%GMAと4%SDSの系で415nm、5%GMAと16%SDSの径では、ミセル径が1840nmであり、SDS濃度の増加とともに径は大きくなる傾向を示した。その際のグラフト率は各々120%と16%であり、ミセルの径がグラフト反応効率に大きく影響することがわかった。

Graft polymerization of glycidyl methacrylate (GMA) onto polyethylene fiber was carried out in emulsion solution obtained by dissolving GMA in water with sodium n-dodecyl sulfate (SDS) as a surfactant. GMA micelles diameter was 415 nm at 5% GMA with 4% SDS and increased up to 1840 nm at 10% GMA with 12% SDS. Degree of grafting (Dg) which was estimated by the weight gain after grafting increased with the increment of GMA concentration in the range of 2-8% and slightly reduced at 10% GMA. The increment in SDS concentration from 4% to 16% at 5% GMA reduced Dg from 120% to 18%. In emulsion graft polymerization, Dg was affected by covered area by GMA/SDS micelles on the fiber.

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パーセンタイル:93.56

分野:Chemistry, Physical

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