申请人:Fontana Margherita
公开号:US20090296195A1
公开(公告)日:2009-12-03
The present invention discloses the use of functionalized particles as electrophoretic displaying particles, wherein the functionalized particles are SiO
2
, Al
2
O
3
or mixed SiO
2
and Al
2
O
3
particles comprising, covalently bound to an oxygen atom on the surface, a radical of formula (1), wherein R
1
and R
2
are independently of each other hydrogen, particle surface-O—, or a substituent, n is 1, 2, 3, 4, 5, 6, 7 or 8, B is the direct bond or a bridge member, and D is the residue of an organic chromophore.
本发明揭示了功能化颗粒作为电泳显示颗粒的用途,其中功能化颗粒为SiO2、Al2O3或混合SiO2和Al2O3颗粒,其中这些颗粒通过共价键结合到表面上的氧原子,具有以下结构的自由基(1),其中R1和R2分别独立地为氢、颗粒表面-O-,或取代基,n为1、2、3、4、5、6、7或8,B为直接键或桥接成员,D为有机色团的残基。