Patent ID: 8287774
Filing Date: 2012-10-16
Classification: B41M

Abstract:
1. A method of manufacturing an electrochromic polyaniline thin film changeable in color in dependency upon a supply of electricity, the method comprising the steps of: polymerizing an aniline monomer into a polyaniline polymer; separating the polyaniline polymer; liquefying the separated polyaniline polymer into a dispersing solution using a mixed surfactant; and dissolving a UV curing adhesive in the dispersing solution after liquefying the separated polyaniline polymer into the dispersing solution; wherein the dispersing solution is polyaniline polymer dissolved and dispersed in tetrahydrofuran and further, wherein the concentration of the polyaniline polymer in the dispersing solution is between 1.25 wt % and 5.53 wt % before the UV curing adhesive is dissolved in the dispersing solution; and wherein the mixed surfactant contains polyoxyethylene (5) nonyl phenol ether and NP-5 in a ratio of 1:0.32 to 1:0.89 by weight.