
preparation of 2,5-diamino-1,4-dihydroxybenzene dihydrochloride_kain industrial additive
background and overview[1][2] diaminodihydroxybenzene can be used as a monomer for the preparation of polybenzoxazole, by combining 2,5-diamino-1,4-dihydroxybenzene dihydrochloride with diacid, dicarb…