期刊
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
卷 38, 期 2, 页码 288-295出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01932691.2016.1163720
关键词
Modified poly(maleic anhydride-alt-1-dodecene); petroleum emulsion; polymeric surfactants; relative solubility number; water-in-oil emulsion
The performance of modified poly(maleic anhydride-alt-1-dodecene) with polyethylene glycol (PEG 1000) and polypropylene glycol (PPG 1000) as emulsion breakers was investigated. The de-emulsifiers were characterized by their chemical structures, relative solubility numbers (RSN), EO content, PO content, and partition coefficient (K-p). All the prepared copolymers were characterized by FTIR and H-1 NMR spectroscopic techniques and their molecular weights were determined by gel permeation chromatography (GPC). The surface and interfacial properties for the prepared polymeric surfactants were studied. The results obtained showed that the molecular structure of the prepared de-emulsifiers have direct effect on de-emulsification process. De-emulsifiers with more EO-PO content had higher de-emulsification efficiency.
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