油化学
Online ISSN : 1884-2003
ISSN-L : 0513-398X
ポリ (オキシエチレン) 硬化ひまし油系非イオン界面活性剤のベシクル形成性について
堀内 照夫田嶋 和夫
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1992 年 41 巻 12 号 p. 1191-1196

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Vesicle formation of poly (oxyethylene) hydrogenated castor oil derivatives was studied by polarized microscopy, freeze-fractured electron microscopy, particle size analysis, ESR spin labelling, and small angle X-ray diffraction.
It comes to conclusions that poly (oxyethylene) (10) hydrogenated castor oil (HCO-10), in to which 10 moles of oxyethylene moieties of are incorporated, has liquid crystals at 560 wt % of concentration below 40°C. A multilamellar vesicle with ca. 400 nm of an average diameter of was formed at a HCO-10 concentration below 20 wt%. The properties of the HCO-10 vesicle membrane are discussed in terms of anistropy in the ESR spectra and long spacing observed by X-ray diffraction.

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