Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-03-19
1977-08-30
Anderson, Harold D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 7841, 2603463, 260521P, 252182, C08G 5942
Patent
active
040454088
ABSTRACT:
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.degree. C; precursors for all of the curing agents; and the epoxy resins prepared therefrom.
REFERENCES:
patent: 3281426 (1966-10-01), Tiers
patent: 3899517 (1975-08-01), Fletcher
Griffith et al., "Fluoro-Anhydride Curing Agent", pp. 429-435 in Lieng-Hu Lee, "Adhesion Sciences & Technology", Plenum Publishing 1975.
Griffith James R.
O'Rear Jacques G.
Anderson Harold D.
McDonnell Thomas
Nielsen E. A.
Schneider Philip
Sciascia R. S.
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