Blend For Curing Epoxy Resin Composistions
AssigneeHuntsman Petrochemical Corporation
InventorsHui Zhou, David C Lewis, Howard P. Klein, Robert A. Grigsby, Feixia Chen, Katty Darragas
Life of this patent
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Abstract
The present disclosure provides a curable composition that includes an epoxy resin and a curing component comprising a blend of at least two amines. The curable composition may be combined with reinforced fibers and cured to form a composite article which can be used in various applications, such as in wind turbine blades.
Claims21
A curable composition comprising:
- (i) an epoxy resin;
- and (ii) a curing component comprising (a) greater than about 20 parts by weight, based on 100 parts by weight of the curing component, of a polyetheramine, (b) a second amine, and (c) greater than about 1 part by weight, based on 100 parts by weight of the curable component, of an imidazole wherein the curable composition is substantially free of a cyclic carbonate, guanidine and derivatives thereof and an aromatic amine.
A process for producing a curable composition comprising admixing in a vessel an epoxy resin and a curing component comprising (a) greater than about 20 parts by weight, based on 100 parts by weight of the curing component, of a polyetheramine, (b) a second amine and (c) greater than about 1 part by weight, based on 100 parts by weight of the curable component, of an imidazole wherein the curable composition is substantially free of a cyclic carbonate, guanidine and derivatives thereof and an aromatic amine and allowing the epoxy resin and curing component to formulate into a curable composition.
(canceled)
A curable composition comprising:
- (i) an epoxy resin;
- and (ii) a curing component comprising a polyetheramine and a tertiary amine selected from N-ethyl morpholine, isopropyl morpholine, N-butyl morpholine, methoxyethyl morpholine, hydroxyethyl morpholine, 2,2′-dimorpholinodiethylether, N,N′-dimorpholino ethane, methyldiethanolamine, N,N-dimethylcyclohexylamine, methyl dicyclohexylamine, N,N,N′-trimethyl-N′-(2-hydroxyethyl)bis(2-aminoethyl)ether, bis-(2-dimethylaminoethyl) ether, N,N′-dimethyl piperazine, 1,3,5-tris(3-(dimethylamino)propyl)-hexahydro-s-triazine, 2,4,6-tris(dimethylaminomethyl)phenol, and combinations thereof.
A process for producing a curable composition comprising:
- admixing in a vessel an epoxy resin and a curing component comprising a polyetheramine and a tertiary amine selected from N-ethyl morpholine, isopropyl morpholine, N-butyl morpholine, methoxyethyl morpholine, hydroxyethyl morpholine, 2,2′-dimorpholinodiethylether, N,N′-dimorpholino ethane, methyldiethanolamine, N,N-dimethylcyclohexylamine, methyl dicyclohexylamine, N, N, N′-trimethyl-N′-(2-hydroxyethyl)bis(2-aminoethyl)ether, bis-(2-dimethylaminoethyl) ether, N, N′-dimethyl piperazine, 1,3,5-tris(3-(dimethylamino)propyl)-hexahydro-s-triazine, 2,4,6-tris(dimethylaminomethyl)phenol, and combinations thereof;
- and
- allowing the epoxy resin and curing component to formulate into a curable composition.
Dependencies are inferred from the claim text.