Study on eco-friendly paint as for renovating Tokyo tower

Abstract

Tokyo tower, which is the one of famous tower in japan, was constructed in 1958 and has kept good condition as a radio tower. Body of Tokyo tower consists of steel and zinc plating and it was painted 9 times with phthalic resin coating every five years from it's completion in order to maintain it's beautiful appearnace and prevent from corrosion. It will be the most important concering to matintain it's beauty in future. As accounting to hold beauty of Tokyo tower, it has been necessary to study and apply eco-friendly coating because of recent concering for enviroment. Therefore we did test for water paints which is a major method in order to reduce more VOC than conventional coating. And durability had been evaluated for 5 yeaes from 2006. According to a result of evaluation of durability, we proposed possible coating.