Государственный научно-исследовательский и проектный институт карбамида и продуктов органического синтеза с опытным заводом
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FIELD: synthesis of organic compounds. SUBSTANCE: reaction of synthesis of imide-containing prepolymer is carried out by reaction of carboxylic acid anhydride with di- or polyisocyanate in the presence of copper oxide, aluminium oxide, silicon oxide used as catalysts. EFFECT: improved method of synthesis. 3 tbl
SU4783546/05A1989-01-181989-01-18Method of synthesis of imide-containing prepolymer
SU1800824A1
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