Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-05-04
1988-07-12
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...
528 99, 528109, 528373, C08G 5950
Patent
active
047571195
ABSTRACT:
Novel compositions suitable for use in preparing prepregs comprise an epoxy resin and a poly(hydrocarbylthio)aromatic diamine curing agent, preferably a substituted di(alkylthio)-diaminobenzene wherein the alkylthio groups contain 1-10 carbons.
REFERENCES:
patent: 2941003 (1960-06-01), Shokal
patent: 3005803 (1961-10-01), Holtschmidt et al.
patent: 3155743 (1964-11-01), Newey
patent: 3350423 (1967-10-01), Carlyle
patent: 4020030 (1977-04-01), Harris et al.
patent: 4595742 (1986-06-01), Nalepa et al.
Knapp Gordon G.
Wiggins Paul L.
Ethyl Corporation
Hogan Patricia J.
Nielsen Earl
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