COPOLYMERE GREFFE UTILE POUR PREPARER DES COMPOSITIONS ADHESIVES SENSIBLES A LA PRESSION

摘要

The invention concerns a grafted copolymer comprising a skeleton consisting of a polymer whereof the Tg is not higher than +10 DEG and whereon are branched macromonomers with Tg not more higher than +10 DEG , characterised in that the polymer constituting the skeleton and/or the macromonomers constituting said skeleton branches comprises at least a carbonyl function not involved in the skeleton-macromonomer junction. The invention also concerns a method for preparing said copolymer and a self-adhesive composition based on said copolymer.