| abstract |
The present invention relates to a method for preparing a graft copolymer comprising polyethylene, the method comprising the steps of: A) providing an ethylene copolymer comprising side chains having C≡C bonds, and B) making step A) The ethylene copolymer and the azide compound are reacted at high temperature in the absence of a catalyst to obtain the graft copolymer, wherein the azide compound is an azide compound having a functional group or a polymer having an azide group . |