1991
DOI: 10.1002/actp.1991.010420219
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Mechanism of polycondensation of polyimides

Abstract: Utitler conditions of high temperature, polyimides and their prcpolymcrs uiitlcrgo a number of chemical transformntions, the most part of which relate to reaction of polycolidcnsation. New aspects of thermal cyclodehydration in the presence of hctcroaromatic compounds used as stereospecific catalysts werc studied. The mechanism of thcrrnal dccarboxylation and decarbonylation of polyimides under conditions of heating in inert and sclbgenerating atmosphere was ascertained. A study of the polycondensation process… Show more

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