Accession Number : ADD006209

Title :   Aromatic Enyne Compounds and their Synthesis.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Arnold,Fred E ; Reinhardt,Bruce A ; Hedberg,Frederick L

Report Date : 24 Jul 1979

Pagination or Media Count : 5

Abstract : Difunctional aromatic enyne compounds are prepared by the catalytic coupling of substituted monoethynyl compounds. The compounds are useful as monomers in polycondensation reactions for the preparation of high molecular weight, thermally stable thermoplastic polymers. On thermal treatment of the polymers, the enyne groups along the polymer backbones react by interchain reactions to provide the solvent and craze resistance required for application as structural materials. (Author)

Descriptors :   *Patents, *Thermoplastic resins, *Synthesis(Chemistry), Airframes, Composite materials, Acetylenes, Aromatic compounds, Monomers, Heat resistant plastics, Crosslinking(Chemistry), Solvents, Crazing, Resistance

Subject Categories : Aircraft
      Organic Chemistry
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE