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
Distribution Statement : APPROVED FOR PUBLIC RELEASE