Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1987-09-17
1990-04-10
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528 99, 549522, C08G 5924, C08G 5928, C08G 5930
Patent
active
049162020
ABSTRACT:
The present invention provides an epoxy resin of the formula ##STR1## where A is selected from the group consisting of --C(CH.sub.3).sub.2 --, --C(CF.sub.3).sub.2 --, --S--, --SO.sub.2 --, --CH.sub.2 --, --CO--, --O--, and --C.sub.3 H.sub.6 --, and each B.sub.1, B.sub.2, B.sub.3, and B.sub.4 is independently selected from the group consisting of --H, --F, --Cl, --Br, --I, --CH.sub.2 CH.dbd.CH.sub.2, --CH.sub.3, --C.sub.2 H.sub.5, --C.sub.3 H.sub.7, and --C.sub.4 H.sub.9.
The present invention also provides a curable composition comprising an epoxy resin of the foregoing formula (I) and an effective curing amount of a hardener for an epoxy resin. The moisture sensitivity of the cured castings and/or composites based on the epoxy resins is lower than known epoxy resin castings and/or composites that have comparable thermal stability, modulus, strength, processability, and toughness.
REFERENCES:
patent: 2951822 (1960-09-01), Reinking
patent: 3014895 (1961-12-01), Reynolds et al.
patent: 3312664 (1967-04-01), Boemmer
patent: 3843565 (1974-10-01), Yamamoto et al.
patent: 3945973 (1976-03-01), Smith et al.
patent: 4107128 (1978-08-01), Hosoi et al.
patent: 4161588 (1979-07-01), Green et al.
patent: 4269759 (1981-05-01), Edelman
patent: 4487948 (1984-12-01), Shimp et al.
patent: 4518786 (1985-05-01), Wang et al.
patent: 4540769 (1985-09-01), Dobinson et al.
patent: 4560739 (1985-10-01), Zahir
patent: 4594373 (1986-06-01), Kohli
patent: 4607069 (1986-08-01), Tesch et al.
patent: 4636535 (1987-01-01), Wang et al.
patent: 4645803 (1987-03-01), Kohli et al.
patent: 4665150 (1987-05-01), Tesch et al.
patent: 4680341 (1987-07-01), Newman-Evans
Morimoto et al., "Epoxy Resin", Chemical Abstracts, 107, 155397m (1987).
Suzue et al., "Epoxy Resin Compositions for Prepregs", Chemical Abstracts, 108, 39024j (1988).
"Swelling and Glass Transition Relations for Epoxy Matrix Material in Humid Environments", McKague et al., Journal of Applied Polymer Science, vol. 22, 1643-1654, 1978.
"Interaction of Epoxy Resins with Water: The Depression of Glass Transition Temperature," Ellis et al., Polymer, vol. 25, May 1984.
Butler John M.
Chartoff Richard P.
Harvey James A.
Nielsen Earl
University of Dayton
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