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Publikováno v:
High Performance Polymers. 6:155-163
4,4',5,5'-Dioxydiphthalic dianhydride (DODA), a new monomer for the synthesis of polyimide resins, has been prepared by the action of a base on a 4,5-dihalophthalic anhydride in a polar aprotic solvent. Both potassium carbonate and a combination of p