半極性有機ホウ素界面活性剤-6-水溶性有機ホウ素界面活性剤の合成
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The following two types of semipolar organoboron surfactants were prepared by esterification of fatty acids with di glycerol borate-ethylene oxide adducts which were made under Lewis acid catalyzed condition.<BR>The bound state between acyl group, polyoxyethylene group and di glycerol borate residue in above surfactants was confirmed by IR, NMR and potentiometric titration analysis.<BR>Average additional moles and distribution of polyoxyethylene groups were suggested by GPC, TLC and potentiometric titration data of di glycerol borate-ethylene oxide adducts.<BR>Addition reaction mechanism of ethylene oxide to di glycerol borate was especially discussed int hese synthetic process.<BR>On the other hand, it was found that type 1 was completely soluble in water and had better surface tension lowering ability than Tween and PEG fatty monoesters.
- 日本油化学会の論文
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