CURABLE (METH) ACRYLATE COMPOSITIONS

A two-part curable composition comprising a Part A and a Part B: Part A comprising: (i) a curable (meth)acrylate component;(ii) a free radical initiator; and(iii) a cyclic β-keto ester wherein the cyclic part of the cyclic β-keto ester comprises an at least 6-membered ring; and Part B comprising: (i...

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Bibliographische Detailangaben
Hauptverfasser:	LOANE, Mark, SWEENEY, Nigel, HOULIHAN, James Anthony
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A two-part curable composition comprising a Part A and a Part B: Part A comprising: (i) a curable (meth)acrylate component;(ii) a free radical initiator; and(iii) a cyclic β-keto ester wherein the cyclic part of the cyclic β-keto ester comprises an at least 6-membered ring; and Part B comprising: (i) a curable (meth)acrylate component; and (ii) a transition metal component.The compositions of the invention show tack free cure in the presence of oxygen. L'invention concerne une composition durcissable en deux parties comprenant une partie A et une partie B : la partie A comprenant : (i) une composition durcissable de (méth)acrylate ; (ii) un initiateur de radicaux libres ; et (iii) un β-céto-ester cyclique, la partie cyclique du β-céto ester cyclique comprenant un cycle d'au moins 6 chaînons ; et la partie B comprenant : (i) un composant (méth)acrylate durcissable ; et (ii) un composant métal de transition.Les compositions de l'invention présentent un durcissement sans pégosité en présence d'oxygène.