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Four different surface fractal dimensions (Dsf’s) of anisotropic silica (SiO2-x) similar in size were synthesized by layer-by-layer molecular imprinting strategy. Grafting was confirmed by FT-IR and X-ray photoelectron spectroscopy. The surface and interfacial properties of particles were confirmed by transmission electron microscopy, nitrogen adsorption, dynamic light scattering, and contact-angle...
The ternary system consisting of ethyleneglycol (EG), an ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate, [Bmim][PF 6 ]) and a nonionic surfactant (p-(1,1,3,3-tetramethylbutyl)phenoxypolyoxyethyleneglycol, TX-100) was studied by dielectric measurements in the frequency range from 40Hz to 110MHz. A remarkable dielectric relaxations caused by interfacial polarization was observed...
In this research, a series of pH-responsive microgels based on acrylamide (AM), acrylic acid (AA) as the main monomers, and N,N′-methylenebisacrylamide as a divinyl cross-linking agent, have been prepared by inverse microemulsion polymerization. The effect of chemical composition of poly(acrylamide-co-acrylic acid) (P(AM-co-AA)) on hydrodynamic diameters, morphology, swelling ratios and pH-responsive...
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