Accession Number : ADD004435

Title :   Fluoro-Anhydride Curing Agents and Precursors Thereof for Fluorinated Epoxy Resins.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Griffith,James R ; O'Rear,Jacques G

Report Date : 30 Aug 1977

Pagination or Media Count : 6

Abstract : The following are described: Fluoro-anhydride curing agents for fluorinated epoxy resins, especially for highly fluorinated epoxy resins selected from the class consisting of hydroxyperfluoroalkyl phthalic anhydride, hydroxyperfluoroalkyl pyromellitic dianhydride, and mixtures thereof; a fluoro-anhydride curing agent for fluorinated epoxy resins that is the toluene-soluble mixture prepared by heating a hydroxyperfluoroalkyl benzenepentacarboxylic acid at about 240 C; precursors for all of the curing agents; and the epoxy resins prepared therefrom.

Descriptors :   *Patents, *Curing agents, *Fluoropolymers, *Epoxy resins, *Anhydrides, Synthesis(Chemistry), Transparence, Thermal stability, Heat resistant plastics, Curing

Subject Categories : Polymer Chemistry
      Plastics

Distribution Statement : APPROVED FOR PUBLIC RELEASE