申请人:Evonik Operations GmbH
公开号:US10683424B2
公开(公告)日:2020-06-16
A method of forming a low gloss, high solids polyurea coating containing very low volatile organic compounds (VOC) in the coating composition. The low volatile content not only makes the coating environmentally friendly but allows it to be applied at variable thickness levels and over a wide variety of environmental conditions. The coating composition is comprised of an isocyanate reactive agent containing a secondary diamine, a polyisocyanate, a gloss reducing agent and a viscosity modifier. The gloss reducing agent is generally pre-mixed into an isocyanate reactive agent containing a secondary diamine and/or polyisocyanate containing the viscosity modifier before mixing the two components together to form a low gloss polyurea coating.
一种形成低光泽、高固体聚脲涂料的方法,涂料成分中含有极低的挥发性有机化合物(VOC)。低挥发性不仅使涂料环保,而且可以在不同厚度和各种环境条件下使用。涂料组合物由含有仲二胺的异氰酸酯反应剂、多异氰酸酯、光泽降低剂和粘度调节剂组成。减光剂通常预先混入含有仲二胺的异氰酸酯反应剂和/或含有粘度调节剂的多异氰酸酯中,然后再将这两种成分混合在一起,形成低光泽聚脲涂料。