Accession Number : ADD002172

Title :   2,3,7,8-Tetraaminodibenzothiophene 5,5-Dioxide and Process Therefor.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Sicree,Albert J ; Arnold,Fred E

Report Date : 30 Dec 1975

Pagination or Media Count : 6

Abstract : Benzothiophenedioxideisoquinoline ladder polymers are synthesized by the condensation of 2,3,7,8-tetraaminodibenzothiophenes-5,5-dioxide with an aromatic tetracarboxylic acid or dianhydride thereof. The highly fused, aromatic-heterocyclic polymers so prepared have a high degree of thermal stability, a property that renders them particularly useful for high temperature applications, such as for plastic composites, fibrous materials and protective coatings.

Descriptors :   *Synthesis(Chemistry), *Thermal stability, *Patents, Quinolines, Condensation reactions, Heat resistant plastics, Protective coatings, Polymeric films, Space systems

Subject Categories : Polymer Chemistry
      Coatings, Colorants and Finishes
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE