Low temperature curable epoxy compositions containing...

Details Low temperature curable epoxy compositions containing... Low temperature curable epoxy compositions containing...

2011-03-22

2011-03-22

Feely, Michael J (Department: 1761)

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

Synthetic resins

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

C523S400000, C523S402000, C528S162000, C528S164000, C528S211000

Reexamination Certificate

active

07910667

ABSTRACT:
A heat curable epoxy composition comprising the contact product of an epoxy resin, an epoxy curing agent and an accelerator for the epoxy curing agent, the curing agent or the accelerator comprising the reaction product of (a) a phenolic resin and (b) a urea compound which is the reaction product of an isocyanate and an alkylated polyalkylenepolyamine having one primary or secondary amine and at least two tertiary amines of the general formula:where R1, R2, R3, R4and R5independently represent hydrogen, methyl or ethyl; n and m are independently integers from 1 to 6 and; X is an integer from 1 to 10.

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