Oligoaminoimidophenylene, effective modifier for melaminalkyd varnish

Abstract

The present article deals with the development and study of new coatings based on industrially produced melamine-alkyd varnish of improved performance characteristics. It describes the synthesis of a dis-oligomeric amineimido modifier which is soluble in ethyl cellosolve and polar aprotic solvent, various formulations of varnish composition being also investigated. The physical-mechanical properties of coatings prepared from the compositions involved have been analyzed. Due to the formation of additional network structure, the introduction of the proposed modifier allows to increase the hardness of coatings, their impact and water resistance, as well as to improve adhesion while maintaining coating elasticity. The composition developed contributes to a significant increase in th e life of the coating for automobiles, buses, trolley buses, agricultural and other machinery and steel structures.