PROBLEM TO BE SOLVED: To modify the chemical, physical properties and surface properties of a polymer material without damaging the characteristics of the polymer substance, to increase value as a polymer material, and to widen the road of the application.SOLUTION: A polymer material is subjected to ionization irradiation application of a gamma ray, an electron ray, an X ray, an ultraviolet ray or the like in the presence of acrolein, methacrolein, acrylic acid, its ester, acryloyl chloride, a vinyl carbonyl compound such as methacryloyl chloride or an acrylonitrile derivative, side chains having functional groups such as a carbonyl group, a chloroformyl group and a nitrile group are introduced without damaging its characteristics such as a melting point and mechanical properties, and the chemical modification of thus introduced functional groups is performed, thus the functional groups such as the amino group, hydroxy group and carboxy group of aliphatic series or aromatic series are coupled, and further, protein, nucleic acid, sugar, dendrimer, polyethylene glycol chains or the like are introduced into the functional groups.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】 高分子物質の特性を損なうことなく、化学的、生物学的性質や表面物性を改変し、高分子材料としての価値を高め、応用の道を広げること。 【解決手段】 高分子材料をアクロレイン、メタクロレイン、アクリル酸、そのエステル、塩化アクリロイル、塩化メタクリロイル等のビニルカルボニル化合物またはアクリロニトリル誘導体の存在下、ガンマ線、電子線、X線、紫外線等の電離放射線照射を行い、融点、機械的性質等の特性は損なわずにカルボニル基、クロロホルミル基、ニトリル基などの官能基をもつ側鎖を導入し、こうして導入した官能基の化学修飾を行うことにより、脂肪族または芳香族のアミノ基、ヒドロキシ基、カルボキシ基、等の官能基を結合させ、また官能基に蛋白、核酸、糖、デンドリマー、ポリエチレングリコール鎖等を導入する。【選択図】 なし
