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US 10,119,046 B2Granted
Curing agent for epoxy coatings
AssigneeHexion Inc.
InventorsDavid Flosser, Patricia Garcia, Larry Steven Corley, Bedri Erdem, Lucy Phan
Life of this patent
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Abstract
Compositions, methods, and coating composition using a curing agent are provided herein. In one embodiment, a curing agent for epoxy resins may be prepared using a formulation including: (a) an adduct of: (i) a diglycidyl ether of a bisphenol, and (ii) a first polyamine; (b) a second polyamine; and (c) water; wherein the composition has an amine hydrogen equivalent weight, based on solids, of less than or equal to 105.
Claims19
A coating formulation comprising the reaction product of:
- a curable epoxy resin;
- and
- a curing agent comprising a composition of:
- an adduct of:
- a diglycidyl ether of a bisphenol having an epoxy equivalent weight from about 200 to about 300, and
- a first polyamine;
- a second polyamine different than the first polyamine;
- and
- water;
- wherein the composition is a solution and wherein the composition has an amine hydrogen equivalent weight, based on solids, of less than 105.
7 more elements
Dependencies are inferred from the claim text.