High solid coating is one of the most important environmental friendly coatings, and has been obtained great attention since 70s’ last century. For there are high volatile organic compounds (VOCs)in the conventional coatings, which cause both a serious p High solid coating is one of the most important environmental friendly coatings, and has been obtained great attention since 70s’ last century. For there are high volatile organic compounds (VOCs) in the conventional coatings, which cause both a serious p