very resistant and impact-resistant adhesives and peeled

Composition monocomponent reactive crosslinkable heat based on natural elastomers and / or synthetic quecontienen olefinic double bonds and vulcanizing agents, characterized in that contienea) at least one liquid polyene having a molecular weight between 400 and 80,000, preferably between 800 and 25,000, b ) at least one block copolymer having at least one polyene block and at least one c) bloquesaturado a vulcanization system consisting of sulfur and accelerators and / or quinone oxime.