PROBLEM TO BE SOLVED: To provide a biocompatible material (particularly, a biocompatible material for suppressing the adhesion of organism and/or biological material) obtained by cross-linking a coating agent including a graft polymer and not using fine particles, and to provide a biocompatible coating agent.SOLUTION: There is provided a biocompatible material containing a cross-linked graft polymer having a graft chain composed of vinyl-based monomers and having a surface occupancy of 0.1 or more.SELECTED DRAWING: Figure 8COPYRIGHT: (C)2017,JPO&INPIT【課題】微粒子を使用しない、グラフトポリマーを含むコーティング剤を架橋してなる生体適合性材料(特に生物及び/又は生体物質付着抑制用生体適合性材料)及び生体適合性コーティング剤を提供すること【解決手段】ビニル系単量体から構成されるグラフト鎖を有し、表面占有率が0.1以上である、架橋されたグラフトポリマーを含む生体適合性材料【選択図】図8
