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New magnetic and heat resistant polyimide (PI) nanocomposites containing two different types of magnetic nanoparticles were successfully prepared by a solution intercalation technique. New PI derived from 14H-dibenzo [a,j] xanthene, which contain benzophenone, amide and ether moieties, was synthesized by thermal cyclization of an aromatic precursor polymer, obtained from the reaction of the new diamine...
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