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首页> 外文期刊>journal of applied polymer science >Surface properties of graft copolymers surfactants: Behavior at the water/toluene interface
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Surface properties of graft copolymers surfactants: Behavior at the water/toluene interface

机译：Surface properties of graft copolymers surfactants: Behavior at the water/toluene interface

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AbstractPoly(propylene oxide‐b‐ethylene oxide) (PPOPEO) surfactant has been used as a surface tension modifier. In this study, the graft copolymer made of poly(methyl methacrylate) (PMMA) main chain and PPOPEO graft chain behavior at water/toluene interface was observed. Interfacial tension measurements were conducted by dissolving the graft copolymer in toluene at a concentration range 1 wt −0.0003. The results confirmed the surfactant behavior of graft copolymers, which presented a PMMA/PPOPEO ratio dependence. The critical micellar concentration (CMC) was observed. Above the CMC, the graft copolymers tend to form a monomolecular association that depends upon copolymer molecular weight. © 1992 John WileySon

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