申请人:THE PILOT INK CO., LTD.
公开号:EP1084860A2
公开(公告)日:2001-03-21
Disclosed is a thermochromic microencapsulated pigment which comprises as four essential components (a) an electron-donating chromatic organic compound, (b) an electron-accepting compound, (c) a reaction medium determining the temperatures at which the color reactions of component (a) with component (b) take place, and (d) a color change temperature regulator, the color change temperature regulator (d) comprising one or more compounds selected from the group consisting of esters, alcohols, ketones, acid amides, hydrocarbons, and fatty acids and having a melting point Y (°C) satisfying the relationship (X+30)°C≤Y≤200°C, wherein X (°C) is the melting point of component (c), and the four essential components being microencapsulated.
本发明公开了一种热致变色微胶囊颜料,它由四种基本成分组成:(a) 一种电子供色有机化合物;(b) 一种电子受色化合物;(c) 一种决定成分(a)与成分(b)发生颜色反应的温度的反应介质;(d) 一种变色温度调节剂、变色温度调节剂(d)包括一种或多种从酯、醇、酮、酸酰胺、烃和脂肪酸组成的组中选出的化合物,其熔点 Y(℃)满足(X+30)℃≤Y≤200℃的关系,其中 X(℃)是组分(c)的熔点,四种基本组分被微胶囊化。