Three polyethylene glycols R(CH2CH2O)(m)CH2CH2R (I, m = 1, 2 or 3, R = OH) were brominated with PBr3 in MeCN at b. for 24 h to resp. bromides I (R = Br), etherified with p-HOC6H4C12H25 in presence of Bu4N+Br and NaOH to resp. diethers I (R = p-C12H25C6H4O) and sulfonated with ClSO3H/NaOH to resp. disulfonates I (R = p-C12H25-m-SO3NaC6H3O) studied for physicochem. properties and surface activity in aq. solns. The gemini surfactants produced showed lower crit. micelle concns. than the com. C12H25C6H4SO3Na surfactant.
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Tokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tokyo Univ Sci, Res Inst Sci & Technol, Chiba 2788510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Sakai, Kenichi
Wada, Miyuki
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Tokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tokyo Univ Sci, Res Inst Sci & Technol, Chiba 2788510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Wada, Miyuki
Matsuda, Wataru
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Tokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tokyo Univ Sci, Res Inst Sci & Technol, Chiba 2788510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Matsuda, Wataru
Tsuchiya, Koji
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Tokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tokyo Univ Sci, Res Inst Sci & Technol, Chiba 2788510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tsuchiya, Koji
Takamatsu, Yuichiro
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Miyoshi Oil & Fat Co Ltd, Tokyo 1248510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Takamatsu, Yuichiro
Tsubone, Kazuyuki
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Miyoshi Oil & Fat Co Ltd, Tokyo 1248510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tsubone, Kazuyuki
Endo, Takeshi
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Tokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan
Tokyo Univ Sci, Res Inst Sci & Technol, Chiba 2788510, JapanTokyo Univ Sci, Dept Pure & Appl Chem, Fac Sci & Technol, Chiba 2788510, Japan