Heimd-containing polyetheramine curative for flexible, toughened

Details Heimd-containing polyetheramine curative for flexible, toughened Heimd-containing polyetheramine curative for flexible, toughened

1992-08-13

1993-10-05

Krass, Frederick F.

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

Synthetic resins

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

528111, 528367, 525504, C08G 5940, C08G 5962, C08G 6500

Patent

active

052506320

ABSTRACT:
Disclosed is a novel polyetherdiamine comprising an aminated, alkoxylated 1-2'-hydroxyethyl-2-imidazolidone represented by the formula: ##STR1## where R is H or an alkyl group of from 1 to 16 carbon atoms and a+b=n, wherein n is a number from about 2 to 80, and to its use in epoxy resin curing systems to produce compositions having improved strength and flexibility properties compared with currently available polyoxyalkylenediamine curatives of equivalent weight.

REFERENCES:
patent: 3316185 (1967-04-01), Reinking
patent: 4190719 (1980-02-01), Samejima et al.

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