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Teijin Ltd
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Teijin Ltd
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Publication date
Application filed by Teijin LtdfiledCriticalTeijin Ltd
Priority to JP203376ApriorityCriticalpatent/JPS5286497A/en
Publication of JPS5286497ApublicationCriticalpatent/JPS5286497A/en
PURPOSE: To increase the polymerization rate by adding a cyclic acid anhydride of an aromatic carboxylic acid in preparing aromatic polyamides from aromatic dicarboxylic acids (or their diaryl esters ) and aromatic diamines by the condensation.
COPYRIGHT: (C)1977,JPO&Japio
JP203376A1976-01-121976-01-12Preparation of aromatic polyamides
PendingJPS5286497A
(en)