Home Display Materials Polyimide (PI) material 4,4′-Oxydiphthalic anhydride 4,4′-Oxydiphthalic anhydride CAS: 1823-59-2 Category: Polyimide (PI) material Related products 2,2′-Bis(trifluoromethyl)-4,4′- diaminodiphenyl ether (6FODA)CAS: 344-48-9 Polyimide (PI) material Bisphenol AFCAS: 1478-61-1 Polyimide (PI) material 2,2′-Bis(4-aminophenoxyphenyl) propane (BAPP)CAS: 13080-86-9 Polyimide (PI) material 9,9-Bis[4-(4-aminophenoxy)phenyl] fluorene (BAOFL)CAS: 47823-88-1 Polyimide (PI) material