CARDO-BASED COPOLYIMIDE DERIVATIVES, MANUFACTURING METHOD THEREOF AND POLYMER GAS SEPARATION MEMBRANE INCLUDING SAME

摘要

The present invention relates to a cardo-based copolyimide derivative, a manufacturing method thereof, and a polymer gas separation membrane including the same and, more specifically, to a cardo-based copolyimide derivative which has outstanding gas permeation and stability at high temperatures and is accordingly used as a polymer gas separation membrane at high temperatures; to a manufacturing method thereof; and to a polymer gas separation membrane including the same.;COPYRIGHT KIPO 2015