Polyepoxy resin-diaryl dianhydride laminating resins and laminat

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 312R, 260 336EP, 260 338EP, C08K 507

Patent

active

039961850

ABSTRACT:
A stable diaryl dianhydride-epoxy resin solution for preparing handleable, formable resin-impregnated reinforcing material and fully cured laminates. A non-viscous solution of 3,4,3',4'-benzophenone tetracarboxylic dianhydride and the reaction product of epichlorohydrin and bisphenol A is obtained in acetone.

REFERENCES:
patent: 3275599 (1966-09-01), Petropoulous et al.
patent: 3324081 (1967-06-01), Barie, Jr. et al.
patent: 3634326 (1972-01-01), Aubry et al.

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