Bis(aminophenoxy)-alpha-substituted stilbenes, curable mixtures

Details Bis(aminophenoxy)-alpha-substituted stilbenes, curable mixtures Bis(aminophenoxy)-alpha-substituted stilbenes, curable mixtures

1993-05-06

1994-04-05

Krass, Frederick

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

Synthetic resins

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

525529, 528 98, 528 97, 526273, C08G 5900, C08G 6508, C08G 6514

Patent

active

053005945

ABSTRACT:
bis(Aminophenoxy)-alpha-substituted stilbenes are prepared by reacting a dihydroxy-alpha-substituted stilbene with a halonitrobenzene in the presence of a basic acting substance such as potassium carbonate and hydrogenating the resulting bis(nitrophenoxy)-alpha-substituted stilbene to convert the nitro groups to amino groups. These compounds are useful as curing agents for epoxy resins.

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