〔閲覧〕【著作】(Wang Hongwei/Miyamoto Akiko/[平野 朋広]/[妹尾 真紀子]/[佐藤 恒之]/Radical polymerization of 2-methacryloyloxyethyl phosphorylcholine in water: kinetics and salt effects/[European Polymer Journal])
(英) Radical polymerization of 2-methacryloyloxyethyl phosphorylcholine in water: kinetics and salt effects (日)
[継承]
○副題(任意):
○要約(任意):
□
(英) The homogeneous polymerization of 2-methacryloyloxyethyl phosphorylcholine (MPC) as betaine monomer with potassium peroxydisulfate (KPS) was kinetically investigated in water by means of FT-near IR spectroscopy. The overall activation energy of the polymerization was estimated to be 12.8 kcal/mol. The initial polymerization rate (Rp) at 40 °C was given by Rp = k[KPS]0.98[MPC]1.9. The presence of alkaline metal halides accelerated the polymerization. The larger the radius of metal cation or halide ion was, the larger the accelerating effect was. The accelerating salt effect was explained by interactions of salt ions with ionic moieties of the propagating polymer radical and/or the MPC monomer. (日) ホスホリルコリン残基を有するメタクリル酸エステルのラジカル重合を速度論的に解析し,重合反応速度式を求めた.また,CsClやKClなどの塩を添加すると重合速度は加速されることを見出した.
Hongwei Wang, Akiko Miyamoto, Tomohiro Hirano, Makiko SenoandTsuneyuki Sato : Radical polymerization of 2-methacryloyloxyethyl phosphorylcholine in water: kinetics and salt effects, European Polymer Journal, Vol.40, No.10, 2287-2290, 2004.
欧文冊子 ●
Hongwei Wang, Akiko Miyamoto, Tomohiro Hirano, Makiko SenoandTsuneyuki Sato : Radical polymerization of 2-methacryloyloxyethyl phosphorylcholine in water: kinetics and salt effects, European Polymer Journal, Vol.40, No.10, 2287-2290, 2004.
関連情報
Number of session users = 0, LA = 0.84, Max(EID) = 420298, Max(EOID) = 1135275.