Radiation induced graft polymerization and its application to removal of toxic metals

Tamada, Masao

Radiation induced graft polymerization is useful technique for introducing aiming function into conventional polymers. Especially, preirradiation method can easily control the graft yield by irradiation dose and polymerization time. In this method, storing the irradiated polymer at low temperature is capable of grafting at discrete facility, which is merit for industrialization. Removal of toxic metals with grafted polymer needs the functions of ion exchange and chelating reaction. Graft polymerization is superior method to introduce such functions into the polymer. The fibrous adsorbent for lead ion, prepared by grafting, shows the high performance to the particle adsorbent.