DIAMINE COMPOUND, POLYAMIC ACID, SOLUBLE POLYIMIDE, WETTABILITY CHANGEABLE FILM AND ELECTRODE PRODUCED THEREFROM

摘要

PROBLEM TO BE SOLVED: To provide a polyamic acid used as a raw material for an organic semiconductor material capable of changing the surface free energy of a film with radiation in a reduced amount of irradiation energy when forming a line for electrodes on a film by irradiating with energy rays to change the surface free energy of the film, coating the changed portion with a sliver nanoink and sintering. SOLUTION: The polyamic acid is a copolymer of a diamine compound and an acid dianhydride wherein the diamine compound is a substituent-containing phenol ester of a 1,3-diamino-benzene-5-carboxylic acid in which the substituent includes a 2,3,4-trialkoxy phenylene. COPYRIGHT: (C)2009,JPO&INPIT