Method for removing radioactive cesium, hydrophilic resin composition for removal of radioactive cesium, method for removing radioactive iodine and radioactive cesium, and hydrophilic resin composition for removal of radioactive iodine and radioactive cesium

A hydrophilic resin composition for removing radioactive cesium having a function capable of immobilizing radioactive cesium in liquid and/or a solid matter,

• wherein the hydrophilic resin composition comprises a hydrophilic resin and a clay mineral;
• the hydrophilic resin is a hydrophilic resin having a hydrophilic segment, the resin being insoluble to water and hot water;
• and
• the clay mineral is dispersed in the hydrophilic resin composition in a ratio of at least 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.

A hydrophilic resin composition for removing radioactive cesium having a function of removing radioactive cesium in liquid and/or a solid matter,

• wherein the hydrophilic resin composition comprises a hydrophilic resin and a clay mineral;
• the hydrophilic resin is at least one selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin each having a hydrophilic segment and each obtained by reacting an organic polyisocyanate with a high molecular weight hydrophilic polyol and/or polyamine being a hydrophilic component;
• and
• the clay mineral is dispersed in the hydrophilic resin composition in a ratio of at least 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.

A hydrophilic resin composition for removing radioactive cesium exhibiting a function capable of immobilizing radioactive cesium in liquid and/or a solid matter,

• wherein the hydrophilic resin composition comprises a hydrophilic resin and a clay mineral;
• the hydrophilic resin is a resin having a hydrophilic segment and a polysiloxane segment and obtained by reacting, as a part of a raw material, a compound having at least one active hydrogen-containing group and a polysiloxane segment in the same molecule, the resin being insoluble to water and hot water;
• and
• the clay mineral is dispersed in the hydrophilic resin composition in a ratio of at least 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.

A hydrophilic resin composition for removing radioactive cesium exhibiting a function capable of immobilizing radioactive cesium in liquid and/or a solid matter,

• wherein the hydrophilic resin composition comprises a hydrophilic resin and a clay mineral;
• the hydrophilic resin is at least one selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin each having a hydrophilic segment, further each having, in the main chain and/or a side chain in the structure thereof, a polysiloxane segment, and each obtained by reacting an organic polyisocyanate, a high molecular weight hydrophilic polyol and/or polyamine being a hydrophilic component, and a compound having at least one active hydrogen-containing group and a polysiloxane segment in the same molecule;
• and
• the clay mineral is dispersed in the hydrophilic resin composition in a ratio of at least 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.

A hydrophilic resin composition for removing radioactive iodine and radioactive cesium exhibiting a function capable of immobilizing both of radioactive iodine and radioactive cesium present in liquid and/or a solid matter,

• wherein the hydrophilic resin composition comprises a hydrophilic resin and a clay mineral;
• the hydrophilic resin is a resin having a hydrophilic segment, having, in the molecular chain thereof, a tertiary amino group, and formed from, as a part of a raw material, a polyol having at least one tertiary amino group or a polyamine having at least one tertiary amino group, the resin being insoluble to water and hot water;
• and
• the clay mineral is dispersed in the hydrophilic resin composition in a ratio of 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.

A hydrophilic resin composition for removing radioactive iodine and radioactive cesium exhibiting a function capable of immobilizing both of radioactive iodine and radioactive cesium present in liquid and/or a solid matter,

• wherein the hydrophilic resin composition comprises a hydrophilic resin and a clay mineral;
• the hydrophilic resin is at least one selected from the group consisting of a hydrophilic polyurethane resin, a hydrophilic polyurea resin, and a hydrophilic polyurethane-polyurea resin each having a hydrophilic segment, and each obtained by reacting an organic polyisocyanate, a high molecular weight hydrophilic polyol and/or polyamine being a hydrophilic component, and a compound having at least one active hydrogen-containing group and at least one tertiary amino group in the same molecule;
• and
• the clay mineral is dispersed in the hydrophilic resin composition in a ratio of at least 1 to 180 mass parts relative to 100 mass parts of the hydrophilic resin.