PROBLEM TO BE SOLVED: To provide a water-absorbing resin with good designability which shows colors with a metallic luster under a slight quantity of light when it is turned into a gelatinous material.SOLUTION: A water-absorbing resin comprises a powder material having a metallic luster, and when the resin swells in water, it is turned into a gelatinous granular material 1 showing a metallic luster.COPYRIGHT: (C)2014,JPO&INPIT【課題】ゲル状となったときにわずかな光量でも金属光沢と共に色彩を呈する、デザイン性に優れた吸水性樹脂を提供すること。【解決手段】吸水性樹脂に金属光沢を有する粉末材料を含有せしめてなり、樹脂が水により膨潤したとき金属光沢を呈するゲル状の粒状体1となる。【選択図】図1
