Accession Number : AD0164432

Title :   Benzofuroisoquinoline Polymers and Method for Synthesizing Same.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Sicree,Albert J. ; Arnold,Fred E. ; Van Deusen,Richard L.

Report Date : 03 JUL 1973

Pagination or Media Count : 5

Abstract : The patent describes the preparation of benzofuroisoquinoline ladder polymers by the condensation of 2,3,7,8-tetraaminodibenzofuran with an aromatic tetracarboxylic acid or a dianhydride thereof. The polymers possess a high degree of thermal stability, a property which renders them particularly suitable for use in high temperature applications such as in the fabrication of plastic composites, fibrous materials and protective coatings.

Descriptors :   *Patents, *Heat resistant plastics, Polymerization, Furan resins, Benzimidazoles, Condensation reactions, Thermal stability, Synthesis(Chemistry), Nitrogen heterocyclic compounds

Subject Categories : Organic Chemistry
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE