Adducts of hydroxyl group containing epoxy resins and isocyanate

Details Adducts of hydroxyl group containing epoxy resins and isocyanate Adducts of hydroxyl group containing epoxy resins and isocyanate

1991-08-20

1993-12-21

Kight, III, John

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

Synthetic resins

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

525 28, 523402, 528 59, 528 60, 528 67, 528 73, C08L 6310

Patent

active

052722279

ABSTRACT:
Adducts obtainable by reacting (a) an epoxy resin having a OH value of 0.02-1.5 equivalents/kg and (b) a di- or polyisocyanate, said reaction being carried out with exclusion of moisture and essentially without a catalyst, can subsequently be converted by reaction with an inhibitor (c), preferably an acrylate, into storage-stable adducts.
The adducts can be cured in the presence of a latent hardener conventionally used for EP/IC resin systems in a weakly exothermic reaction to give crosslinked products which have excellent properties.

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WPI Acc. No: 86-028492/05.

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