Polythiophene (PEDOT) attracts much attention because of its high electrical conductivity, good environmental stability and high transparency etc.Geneally,it applies in the photochromic material of antistatic coating, organic thin film solar cell material, OLED materials, transparent electrode . However, its application is limited for the insoluble and infusible make processing difficult problem, which limits its application. This paper focuses on PEDOT improve processing performance, by chemical oxidation polymerization successfully prepared PEDOT / PSS dispersion liquid conductivity, and thus the production of the adhesion and good transparency of the antistatic coating is a main component. In this paper, ammonium persulfate was used as the oxidant, PEDOT / PSS were synthesized by chemical oxidation. During the experiment to study the PSS, influence the amount of ammonium persulfate, and the size of the theoretical solids content of PEDOT / PSS conductivity and particle size. Found that the preferred reaction conditions: the molar ratio of the acid group with a PSS in the yellow monomer is 2: 1; ammonium persulfate and monomer molar ratio of 1.5: 1 theoretical solids content in the range from 2.5% to 4.0%. With homemade PEDOT / PSS formulated into anti-static coating, applied to the PET sheet, the surface resistance of 10<sup>5</sup>Ω ~ 10<sup>8</sup>Ω, which reached the antistatic coating requirements.

Water based PEDOT conducting coating

249th National Meeting (2015)

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