Abstract
In this paper, three kinds of aliphatic alcohol polyoxyethylene ethers (AEO) with different molecular weight distribution were used as raw materials, and aliphatic alcohol polyoxyethylene ether phosphate (AEP) was obtained by P2O5 process. FT-IR and 31P-NMR were used to characterize the structure of the product, confirming the formation of the product. HPLC-ESI was used to probe the molecular weight distribution of the sample. The surface activity, wetting properties and application properties of the samples were measured. Wetting and permeability were found to increase with decreasing EO addition, and N-AE7P is optimal, which is related to the spatial structure of the molecule. The surface activity, washing performance and foaming properties of C-AE9P are better as that of the other investigated compounds because of the synergistic effect between the complex components.
Kurzfassung
In dieser Arbeit wurden drei Arten von aliphatischen Alkoholpolyoxyethylenethern (AEO) mit unterschiedlicher Molekulargewichtsverteilung als Rohstoffe verwendet. Das aliphatische Alkoholpolyoxyethylenetherphosphat (AEP) wurde durch das P2O5-Verfahren gewonnen. FT-IR und 31P-NMR wurden zur Charakterisierung der Struktur des Produkts verwendet, wodurch die Bildung des Produkts bestätigt wurde. HPLC-ESI wurde zur Untersuchung der Molekulargewichtsverteilung der Proben verwendet. Die Oberflächenaktivität, die Benetzungseigenschaften und die Anwendungseigenschaften der Proben wurden gemessen. Es wurde festgestellt, dass Benetzung und Permeabilität mit abnehmender EO-Anzahl zunehmen. Die Verbindung N-AE7P ist optimal, was mit der räumlichen Struktur des Moleküls zusammenhängt. Die Oberflächenaktivität, die Waschleistung und die Schaumeigenschaften von C-AE9P sind aufgrund des synergistischen Effekts zwischen den komplexen Komponenten besser als die der anderen Verbindungen.
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