Hardenable mixtures made of glycidyl compounds, aminic...

Details Hardenable mixtures made of glycidyl compounds, aminic... Hardenable mixtures made of glycidyl compounds, aminic...

C - Chemistry, Metallurgy

08

G

C08G 59/68 (2006.01)

Patent

CA 2287395

The invention relates to hardenable mixtures based on epoxy resin, aminic hardeners and hardening accelerators, optionally using solvents, softeners, UV stabilizers, colorants, pigments and filling materials, characterized in that 1-20 wt. % (in relation to epoxy resin) of at least one heterocyclic compound of general formula (I) is also used as a hardening accelerator, wherein R1, R2, R3 are identical or different and represent the radicals -(CH2)a-N-[(CH2)b- CH3]2, with a= 2 or 3 and b= 0 or 1.

L'invention concerne des mélanges durcissables à base de résines époxy, de durcisseurs aminiques et d'accélérateurs de durcissement, et comprenant éventuellement comme adjuvants des diluants, des agents anti-UV, des colorants, des pigments, des matières de charge. Lesdits mélanges se caractérisent en ce que l'on utilise comme accélérateur de durcissement 1 à 20 % en poids, par rapport à la résine époxy, d'au moins un composé hétérocyclique de la formule générale (I), dans laquelle R?1¿, R?2¿ et R?3¿ peuvent être identiques ou différents et représentent des restes -CH¿2?¿a?-N-[(CH¿2?)¿b?-CH¿3?]¿2? où a = 2 ou 3 et b = 0 ou 1.

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