| abstract |
The present invention relates to a process for the preparation of graft copolymers of lignin and / or cellulose, said process comprising the steps of subjecting said lignin and / or said cellulose-containing material in situ by mechanical impact on said lignin and / or cellulose backbone Generating a macro radical, and grafting the monomer and / or polymer to the backbone. The present invention also relates to a graft copolymer obtainable by the above method, a composite material comprising the copolymer, and uses thereof. |