Accession Number : ADD009982

Title :   Acetylene-Terminated Polyimide Compositions.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Grimes,Mark F ; Reinhart,Theodore J , Jr

Report Date : 21 Dec 1982

Pagination or Media Count : 4

Abstract : A composition of matter comprising an acetylene-terminated polyimide oligomer and a cure rate inhibitor selected from the group consisting of hydroquinone, maleic acid, glutaric acid, dibetanapthyl para-phenylene diamine. The composition has a retarded cure rate, thereby facilitating the fabrication of void-free molded objects and composites.

Descriptors :   *Patents, *Matrix materials, *Polyimide resins, *Acetylenes, *Curing, *Molding materials, Aircraft, Aerospace systems, Inhibitors, Voids, Rates, Maleic acid, Glutaric acid, Phenylenediamines

Subject Categories : Aircraft
      Laminates and Composite Materials
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE