Curable epoxy resin compositions

Details Curable epoxy resin compositions Curable epoxy resin compositions

1984-02-29

1987-02-24

Nielsen, Earl

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

523435, 523445, 523468, 525 65, 525113, 525438, 525453, 525524, 528 98, 528 99, C08G 5950, C08L 6300

Patent

active

046458034

ABSTRACT:
New and improved heat curable compositions are disclosed comprising epoxidic resin(s) and aromatic ether-sulfone polyamines, alone or in combination with other diamine curing agents and/or curing catalysts alone, or in further combination with reinforcements, e.g., graphite fibers and, optionally modified with second resins. The cured neat resins and fiber resin matrix compositions exhibit high toughness, compression strength and short beam shear strength under dry, wet and hot/wet conditions.

REFERENCES:
patent: 3755253 (1973-08-01), Rice
patent: 4517321 (1985-05-01), Gardner et al.
Chemical Abstracts 90, 39660y (1979).
Chemical Abstracts 91, 158760m (1979).
Lee & Neville, Handbook of Epoxy Resins, McGraw-Hill, N.Y., 1967, pp. 22-59 to 22-62.
May and Tanaka, Epoxy Resins, Marcel Dekker, Inc., New York, 1973, pp. 601-602.

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