Abstract
Soap-free cationic fluorinated Poly-styrene-acrylate latex particles with core-shell structure were synthesized by seeded semi-continues emulsion polymerization in the presence of water soluble cationic monomer Methacryloxyethyltrimethyl ammonium chloride (MADAC) and using ethanol as co-solvent. The effects of MADAC dosage and ethanol content on the stability of polymerization process and the properties of the latex particles were studied. The chemical component of the polymer was analyzed by Fourier transform infrared (FTIR). The surface element composition of the prepared copolymer film was analyzed by X-ray photoelectron spectroscopy (XPS), the micro-structure of the prepared latex particles were observed by transmission electron microscopy (TEM). The result shows that cationic soap-free fluorinated poly-styrene-acrylate emulsion with a core-shell structure can be prepared when monomer DAMAC is 6.0 wt% and ethanol is 7.5 wt%.
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