CO-SURFACTANT, SURFACTANT COMPOSITION, AND COMPOSITION FOR OIL RECOVERY

The present invention provides a co-surfactant which, when used in combination with a surfactant, can reduce the size of the surfactant micelle and can enhance the functions of the surfactant, such as the expression of microemulsion formation performance. This co-surfactant contains at least one com...

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Bibliographische Detailangaben
Hauptverfasser: WAKASA, Takashi, SHIBA, Hiroya, ARATA, Ryuya, KAMENOUE, Shogo, MIZOOKU, Takashi, NAGANUMA, Jun, KORIKI, Shunsuke, KIMURA, Akiyoshi, HORI, Hiroshi
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present invention provides a co-surfactant which, when used in combination with a surfactant, can reduce the size of the surfactant micelle and can enhance the functions of the surfactant, such as the expression of microemulsion formation performance. This co-surfactant contains at least one compound represented by chemical formula (1).(In the formula, R1 is a hydrogen atom or a C1-C33 aliphatic hydrocarbon group, R2 is a C1-C33 aliphatic hydrocarbon group, the total number of carbons of R1 and R2 is 6-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and one of A1 and A2 is -OH and the other is -O-CH2-CH(OH)-CH2OH or -O-CH(-CH2-OH)2.)