1) Hydrocarbon-based copolymer comprising two end groups preceded by an ester function and chosen from a 2-oxo-1,3-dioxolan-4-yl (or cyclocarbonate), a dithiocyclocarbonate, an exo-vinylene cyclocarbonate and a 2-oxo-1,3-dioxolen-4-yl, the main chain of which comprises units (I) and (II) in which R0 is notably a methyl radical;
and the number-average molecular mass Mn of which is between 400 and 100 000 g/mol.
2) Process for preparing said copolymer, comprising:
(i) a step of heating a statistical bipolymer A chosen from a poly(butadiene-isoprene), a poly(butadiene-myrcene) and a poly(butadiene-farnesene); and then
(ii) a step of heating the product formed, in the presence of a chain-transfer agent.
3) Use as adhesive, as a mixture with an amine compound comprising at least two amine groups.