Latent curing agent for epoxy resin, and curable epoxy resin...

Details Latent curing agent for epoxy resin, and curable epoxy resin... Latent curing agent for epoxy resin, and curable epoxy resin...

2007-06-05

2007-06-05

Sellers, Robert (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S057000, C525S107000, C525S108000, C525S132000, C525S176000, C525S217000

Reexamination Certificate

active

11110731

ABSTRACT:
Provided are a latent curing agent that gives an epoxy resin composition with improved storage stability and low-temperature curability; and a curable epoxy resin composition prepared by mixing the said curing agent and an epoxy compound. The epoxy resin composition has improved storage stability, and cures at lower temperatures for a shorter period of time than conventional ones. The latent curing agent for epoxy resin comprises two components, (A) a radically polymerized polymer of a monomer having at least a polymerizable double bond, which has at least a tertiary amino group in the molecule, and (B) a polymer having at least a hydroxyl group in the molecule, and forms a solid solution that is solid at 25° C.

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