Polyepoxy-3,3',4,4'-benzhydrol tetracarboxylic dianhydride lamin

Details Polyepoxy-3,3',4,4'-benzhydrol tetracarboxylic dianhydride lamin Polyepoxy-3,3',4,4'-benzhydrol tetracarboxylic dianhydride lamin

1974-12-20

1977-08-09

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

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

Patent

active

040410048

ABSTRACT:
A stable impregnating solution of 3,3',4,4'-benzhydrol tetracarboxylic dianhydride and a polyepoxide for preparing handleable, formable resin-impregnated reinforcing material and fully cured laminates. A substantially non-reacted solution of 3,3',4,4'-benzhydrol tetracarboxylic dianhydride and a diglycidyl ether of bisphenol A is obtained in acetone.

REFERENCES:
patent: 3293267 (1966-12-01), McCrecken et al.
patent: 3296202 (1967-01-01), Josten et al.
patent: 3634396 (1972-01-01), Aubry et al.

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