Comb-shaped graft copolymers with cellulose side-chains prepared via click chemistry

► Comb-shaped graft copolymers with cellulose side-chains were prepared via click chemistry. ► Cellulose side-chains were grafted onto polymethacrylate main-chain at the reducing-end. ► The copolymer with cellulose side-chains showed crystalline pattern of cellulose II.