Huntsman Advanced Materials Licensing (switzerland) Gmbh

Amit Nagarkar

Alessandro Napoli

Kenneth Black Scobbie

Susanne Elmer

A curable composition comprising (A) an epoxy resin containing on average more than one epoxy group per molecule; (B) a compound of formula A[&#x2014;X&#x2014;CO&#x2014;CH&#x2014;CN](1), wherein A is hydrogen or C-Calkyl which is unsubstituted or substituted by one or more C-Calkoxy groups, C-Calkylcarbonyl groups, C-Carylcarbonyl groups, hydroxyl groups, amino groups, C-Calkylamino groups, C-Cdialkylamino groups, cyano groups or halogen atoms, or A is a bivalent aliphatic, cycloaliphatic, aromatic, araliphatic or heterocyclic organic radical, X denotes &#x2014;O&#x2014;or &#x2014;NR&#x2014;, wherein Ris hydrogen or C-Calkyl which is unsubstituted or substituted by one or more C-Calkoxy groups, C-Calkylcarbonyl groups, C-Carylcarbonyl groups, hydroxyl groups, amino groups, C-Calkylamino groups, C-Cdialkylamino groups, cyano groups or halogen atoms, n is 1 or 2; and (C) a protected base in the form of an adduct or salt which is able to release a basic compound upon heating to a temperature greater than 70&#xb0; C., is storage-stable, allows processing over a longer period of time (pot-life) and produces cured products having outstanding mechanical and thermal properties.

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Basel, Switzerland

Amit Nagarkar