Synthesis and Properties of Novel Fluorinated Cationic Polymer Latex

The novel cationic polymer latex was prepared by the semi-continuous seeded emulsion polymerization of butyl acrylate, methyl methacrylate and hexafluorobutylmethacrylate in water phase, which were initiated with water soluble azo initiator and emulsified with the mixed surfactants cationic emulsifier and nonionic emulsifier. The structure of the resultant latex is confirmed by Fourier transform infrared spectroscopy spectrum and differential scanning calorimetry. The conditions for preparing the novel latex were optimized. The optimum conditions for preparing the latex were as follows: the amount of emulsifier is 3%; the amount of initiator is 0.8%; the content of the fluorinated monomer is 4%. In this case, the conversion of mixed monomers is 99.06% and the coagulation percentage is 0.96%, the average particle size of latex is 7:26 nm. In addition, in comparison with the latex prepared without the fluorinated monomers, the hydrophobicity of the resultant latex film is improved clearly.