Graft polymer with grafted nitrogen molecules grafted

摘要

The present invention relates to a modified polymer obtained by grafting of a compound comprising at least one group Q and at least one group A, bonded together by at least, and preferably, one spacer group Sp in which: Q comprises a dipole containing at least, and preferably, one nitrogen atom, capable of being grafted onto the polymer chain by [1,3]-dipolar cycloaddition, A comprises an associative group comprising at least one nitrogen atom, Sp is an atom or a group of atoms forming a bond between Q and A.