Preparation of 2,2′-bis(trifluoromethyl)diaminobiphenyl_Kain Industrial Additive
Background and overview[1] 2,2′-bis(trifluoromethyl)diaminobiphenyl is also called 2,2′-bis(trifluoromethyl)-4,4’diaminobiphenyl. 2,2′-bis(trifluoromethyl)-4,4’diaminobiphenyl is mainly used in the fields of microelectronics and optoelectronics to prepare extremely low dielectric constant, extremely low surface free energy, extremely high mechanical strength, Colorless and transparent PI material with extremely high wear resistance is the most well-known monomer among all fluorine-containing PI diamine monomers.…