FIELD: filtration processes. SUBSTANCE: mixture of polymer with water-insoluble alkylated adduct of primary or secondary diamine and 4,4'-isopropylidenediphenol epoxy resin is dissolved to form homogeneous solution, which is then filtered, deaerated, poured onto substrate, and solidified in the form of film. Adduct may be used as solution in organic solvent prepared directly when synthesizing adduct. EFFECT: improved procedure. 2 cl, 1 tbl
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