Latent hardener for epoxy compositions

Details Latent hardener for epoxy compositions Latent hardener for epoxy compositions

2009-07-02

2011-10-25

Sellers, Robert (Department: 1765)

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

Synthetic resins

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

C174S259000, C523S206000, C523S428000, C523S429000, C523S434000, C525S486000, C525S524000

Reexamination Certificate

active

08044154

ABSTRACT:
Disclosed herein is a curing agent for epoxy resins that is comprised of the reaction product of an amine, an epoxy resin, and an elastomer-epoxy adduct. Additionally disclosed is a process comprising agitating a solution of an amine, an epoxy resin, and an elastomer-epoxy adduct as a dispersant at an elevated temperature in an organic medium.

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