Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1993-11-02
1995-06-20
Krass, Frederick
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525524, C08G 5900, C08G 6508, C08G 6514
Patent
active
054261694
ABSTRACT:
This invention relates to improved polyepoxide resins having enhanced physical and elastic properties. The polyepoxide resins comprise a polyepoxide resin based on a polyglycidyl ether of a phenolic-type compound and an amine curing agent. The improvement in the polyepoxide resin formulation comprises incorporating an aliphatic, aliphatic ether or ester component having monofunctional reactivity with an amine hydrogen, an amine curative having from 3 to 10, and preferably 3 to 5 epoxide reactive hydrogen atoms into the epoxy resin, and a diglycidyl ether of a polyalkyleneoxide. The presence of the monofunctional and aliphatic amine reactive component along with the diglycidyl ether of a polyalkyleneoxide results in an epoxy resin having enhanced properties.
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Lee and Neville, "Handbook of Epoxy Resins", pp. 16-2, 16-3, Copyright 1967, McGraw-Hill Inc.
Air Products and Chemicals Inc.
Bongiorno Mary E.
Brewer Russell L.
Krass Frederick
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