Phosphorous-based diamine compound polyamic acid prepared therefrom the phosphorous-based diamine compound polyimide prepared therefrom and polyimide film including polyimde

摘要

Provided are a phosphorous-based diamine compound represented by the following formula 1, polyamic acid and polyimide prepared therefrom, and a polyimide film including the polyimide. In the formula 1, Ar_1 to Ar_3, X_1, X_2, and X are defined in a detailed description.