[EN] DIESTER OF BISPHENOL FLUORENE COMPOUNDS AND THERMOCHROMIC PIGMENT COMPOSITIONS COMPRISING THE SAME<br/>[FR] DIESTER DE COMPOSÉS DE BISPHÉNOL FLUORÈNE ET COMPOSITIONS DE PIGMENTS THERMOCHROMIQUES COMPRENANT CELUI-CI
申请人:SOCIÉTÉ BIC
公开号:WO2020064537A1
公开(公告)日:2020-04-02
The present invention relates to the use of a compound represented by formula (I), wherein R1 and R2, identical or different, represent a C2-C30 alkyl group, a C2-C30 alkenyl group, a C2-C30 alkynyl group, or a C2-C30 alkoxy group, said alkyl, alkenyl, alkynyl, or alkoxy groups being optionally substituted with at least one hydroxy, halogen, amino, C1-C8 alkyl, or C1-C8 alkoxy group, as a temperature change regulating agent in a thermochromic ink composition. The present invention also relates to thermochromic pigment microcapsules comprising a compound of formula (I) according to the invention, to ink compositions comprising such thermochromic pigment microcapsules, and to writing instruments comprising such ink compositions. Finally, the invention also relates to a specific compound of formula (II) as such.
本发明涉及使用式(I)所表示的化合物作为温度变化调节剂,其中R1和R2,相同或不同,表示C2-C30烷基,C2-C30烯基,C2-C30炔基或C2-C30烷氧基,所述烷基,烯基,炔基或烷氧基可以选择地被替换为至少一个羟基,卤素,氨基,C1-C8烷基或C1-C8烷氧基。本发明还涉及包含本发明中式(I)的化合物的热致变色颜料微囊,含有这样的热致变色颜料微囊的油墨组合物,以及含有这样的油墨组合物的书写工具。最后,本发明还涉及式(II)的特定化合物。