KJK that specializes in radiation technology developed fabric that can absorb iodine in water rather efficiently. Using the technology called graft polymerization, the company incorporates the function to make it become attached to iodine into fabric. At present, it only examined the fabric using iodine that does not produce nuclear radiation, but it is confident that the fabric will have the same effect on radioactive iodine. It plans to develop the technology to eliminate iodine from the contaminated water in the nuclear power plant in Fukushima Prefecture with the help of the technology it employed to develop this fabric. The graft polymerization is the technology to cut molecules by radiating gamma ray and add another material with a new function to the molecule. KJK added iodine adsorption agent called Glycidyl methacrylate Triethylenediamine (GMA-TEDA). The newly-developed fabric successfully absorbed about 40 g of iodine per kg of fabric in the water containing iodine. Japan Society of Ion Exchange told that the newly-developed fabric has the possibility to be effective for the treatment of the contaminated water because it can absorb iodine rather fast, but he emphasized the necessity to confirm if it can exhibit same function against radioactive iodine.
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