DIAMINE COMPOUND HAVING IMPROVED TRANSPARENCY LIGHT TRANSMITTANCE AND HEAT RESISTANCE POLYMER PREPARED THEREWITH AND POLYIMIDE FILM CONTAINING THE POLYMER

摘要

Provided is a diamine compound represented by chemical formula 1. In the chemical formula 1, Ar_1 and Ar_2 are each independently selected from the group consisting of chemical formulas 1-1 to 1-3. In the chemical formulas 1-1 to 1-3, R_1 to R_4 may be each independently selected from the group consisting of hydrogen, an alkyl group having 1 to 30 carbon atoms, and a trifluoromethyl group (CF_3).