Fundamental Properties of Aqueous Solutions of Nonionic Surfactants Prepared from Oleic Acid of High Purity

Fundamental properties such as micellar weight, critical micelle concentration and cloud point were determined for aqueous solutions of polyoxyethylene (20) sorbitan monooleate (POESO) and polyoxyethylene (n) oleyl ether [POEOE and POE (10) 0E for n=20 and 10, respectively] recently prepared from ol...

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Veröffentlicht in:	Journal of Japan Oil Chemists' Society 1997/08/20, Vol.46(8), pp.873-878,937
Hauptverfasser:	YOMO, Shuji, ENDO, Yukiko, KATO, Tadashi, SEIMIYA, Tsutomu, IWAHASHI, Makio, KIDERA, Yosuke, SUZUKI, Masao
Format:	Artikel
Sprache:	eng
Schlagworte:	cloud point HPLC light scattering micelle oleic acid surfactant
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creator	YOMO, Shuji ENDO, Yukiko KATO, Tadashi SEIMIYA, Tsutomu IWAHASHI, Makio KIDERA, Yosuke SUZUKI, Masao
description	Fundamental properties such as micellar weight, critical micelle concentration and cloud point were determined for aqueous solutions of polyoxyethylene (20) sorbitan monooleate (POESO) and polyoxyethylene (n) oleyl ether [POEOE and POE (10) 0E for n=20 and 10, respectively] recently prepared from oleic acid of high (>99%) and low purity. HPLC analysis and measurement of hydroxy value were conducted to clarify the distribution of the oxyethylene chain. For POESO and POEOE, no significant correlation between the above properties and oleic acid purity could be found. For POE (10) OE, however, the cloud point was higher for greater purity. This was confirmed by the temperature dependence of light scattering intensity.
doi_str_mv	10.5650/jos1996.46.873
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HPLC analysis and measurement of hydroxy value were conducted to clarify the distribution of the oxyethylene chain. For POESO and POEOE, no significant correlation between the above properties and oleic acid purity could be found. For POE (10) OE, however, the cloud point was higher for greater purity. 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Jpn. Oil Chem. Soc.</addtitle><description>Fundamental properties such as micellar weight, critical micelle concentration and cloud point were determined for aqueous solutions of polyoxyethylene (20) sorbitan monooleate (POESO) and polyoxyethylene (n) oleyl ether [POEOE and POE (10) 0E for n=20 and 10, respectively] recently prepared from oleic acid of high (>99%) and low purity. HPLC analysis and measurement of hydroxy value were conducted to clarify the distribution of the oxyethylene chain. For POESO and POEOE, no significant correlation between the above properties and oleic acid purity could be found. For POE (10) OE, however, the cloud point was higher for greater purity. 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Jpn. Oil Chem. Soc.</addtitle><date>1997</date><risdate>1997</risdate><volume>46</volume><issue>8</issue><spage>873</spage><epage>878,937</epage><pages>873-878,937</pages><issn>1341-8327</issn><eissn>1884-1996</eissn><abstract>Fundamental properties such as micellar weight, critical micelle concentration and cloud point were determined for aqueous solutions of polyoxyethylene (20) sorbitan monooleate (POESO) and polyoxyethylene (n) oleyl ether [POEOE and POE (10) 0E for n=20 and 10, respectively] recently prepared from oleic acid of high (>99%) and low purity. HPLC analysis and measurement of hydroxy value were conducted to clarify the distribution of the oxyethylene chain. For POESO and POEOE, no significant correlation between the above properties and oleic acid purity could be found. For POE (10) OE, however, the cloud point was higher for greater purity. 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subjects	cloud point HPLC light scattering micelle oleic acid surfactant
title	Fundamental Properties of Aqueous Solutions of Nonionic Surfactants Prepared from Oleic Acid of High Purity
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