(meth)acrylate composition featuring reduced oxygen inhibition

Details (meth)acrylate composition featuring reduced oxygen inhibition (meth)acrylate composition featuring reduced oxygen inhibition

C - Chemistry, Metallurgy

09

D

C09D 4/00 (2006.01) C08K 5/07 (2006.01) C09J 4/00 (2006.01) C09J 11/06 (2006.01)

Patent

CA 2612275

The invention relates to two-component or multicomponent compositions comprising at least the following ingredients: a) at least one (meth)acrylate; b) at least one compound of formula (I); c) at least one inorganic salt or a metal complex compound of at least one metal selected among the group encompassing the transition metals; and d) at least one peroxide or at least one perester or at least one hydroperoxide. A first component K1 contains at least ingredient c) while a second component K2 contains at least ingredient d). The inventive compositions are characterized in that oxygen inhibition is prevented or drastically reduced when the same are hardened. Said compositions are particularly suitable as adhesives, sealants, and coatings.

L'invention concerne des compositions comportant deux composants ou davantage, et contenant au moins les ingrédients suivants : a) au moins un (méth)acrylate ; b) au moins un composé de formule (I) ; c) au moins un sel métallique ou un complexe métallique d'au moins un métal sélectionné dans le groupe des métaux de transition ; d) au moins un peroxyde, ou au moins un perester, ou au moins un hydroperoxyde. Selon l'invention, au premier composant (K1) comporte au moins l'ingrédient c), et un deuxième composant (K2) comporte au moins l'ingrédient d). Les compositions selon l'invention sont caractérisées en ce que l'action inhibitrice de l'oxygène sur le durcissement de ces compositions est empêchée ou fortement réduite. Lesdites compositions peuvent en particulier être utilisées en tant que substances adhésives, matériaux d'étanchéité, et en tant que revêtements.

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