申请人:Essilor International
公开号:EP3923064A1
公开(公告)日:2021-12-15
The present invention relates to an electrochromic solution and a use thereof, wherein the said solution comprises: a solvent; a thickening polymer agent having a molecular weight of at least 50,000 g/mol, preferably 200,000 g/mol, more preferably of at least 250,000 g/mol; at least an additive having a molecular weight between 300 and 50,000 g/mol, preferably between 320 and 20,000 g/mol; a redox chemical mixture in solution in said solvent said mixture being constituted of at least one electrochromic reducing compound and at least one electrochromic oxidizing compound, and which colors in the presence of an applied voltage and which bleaches to a colorless condition in the absence of an applied voltage. The invention further relates to a device comprising said solution.
本发明涉及一种电致变色溶液及其用途,其中所述溶液包括一种溶剂; 一种增稠聚合物剂,其分子量至少为 50,000 克/摩尔,最好为 200,000 克/摩尔,更理想的是至少为 250,000 克/摩尔; 至少一种添加剂,其分子量在 300 至 50,000 克/摩尔之间,最好在 320 至 20,000 克/摩尔之间;在所述溶剂中溶解的氧化还原化学混合物,该混合物由至少一种电致变色还原化合物和至少一种电致变色氧化化合物组成,在有外加电压时着色,在无外加电压时漂白成无色。本发明还涉及一种包含上述溶液的装置。