Preparation and Properties of Novel Double-Chain Nonionic Surfactants with Acid Decomposition Function
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概要
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Novel double-chain nonionic surfactants with an acid decomposition function were prepared by acid-catalyzed condensation of chloroacetone with fatty alcohols (octyl, decyl, and dodecyl), followed by a Williamson reaction with polyethylene glycol without any expensive reagents and special equipment. These surfactants showed easy micelle formation compared to those of polyoxyethylene (n=9) dodecyl ether (C12EO9), and good foaming properties. The emulsion stability of these surfactants was almost the same as that of C12EO9. They decomposed completely after 30 min at pH 1. After 28 days they were more than 60% biodegradable and were almost the same as sodium dodecanoate.
著者
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Ono Daisuke
Osaka Municipal Technical Research Institute
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NAKAMURA Masaki
Osaka Municipal Technical Research Institute
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Sato Hirofumi
Osaka Municipal Technical Research Institute
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Shizuma Motohiro
Osaka Municipal Technical Research Institute
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Shizuma Motohiro
Technochemistry Osaka Municipal Technical Research Institute
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Shizuma Motohiro
Department Of Biochemistry Osaka Municipal Technical Research Institute
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Nakamura Masaki
Osaka Municipal Technical Res. Inst.
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