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US 12,753,270 B2Granted
Epoxy resin curing agent, epoxy resin composition, and paint
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsKazuki Kouno, Aoi Yokoo
Life of this patent
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Abstract
Provided are an epoxy resin curing agent containing a polyamine (A) or an adduct modified product of the polyamine (A), the polyamine (A) including a diamine (A1) represented by the following formula (1), an epoxy resin composition, and a paint containing these: wherein R1 to R8 each independently represent a hydrogen atom or an aliphatic group having 1 to 5 carbon atoms.
Claims7
An epoxy resin curing agent comprising an adduct modified product of a polyamine (A), wherein the polyamine (A) comprises a diamine (A1) represented by the following formula (1):
- wherein R1 to R8 each independently represents a hydrogen atom or an aliphatic group having 1 to 5 carbon atoms,
- wherein the adduct modified product is a reaction composition comprising a reaction product of the polyamine (A) and an epoxy compound having at least one epoxy group, and
- the diamine (A1) is at least one selected from the group consisting of diamines represented by the following formulas (1-1) to (1-3):
Dependencies are inferred from the claim text.