PIGMENT COMPOSITE PARTICLE
    4.
    发明申请

    公开(公告)号:US20210284846A1

    公开(公告)日:2021-09-16

    申请号:US16820237

    申请日:2020-03-16

    Abstract: A pigment composite particle is provided, which includes an organic pigment core, a polyelectrolyte shell wrapped around the organic pigment core, and an oxide shell wrapped around the polyelectrolyte shell. The organic pigment core is water-insoluble. The organic pigment core and the polyelectrolyte shell have a weight ratio of 1:0.25 to 1:1. The oxide shell is formed from tetraalkyl orthosilicate, tetraalkyl orthotitanate, or a combination thereof, and the organic pigment core and the tetraalkyl orthosilicate, tetraalkyl orthotitanate, or the combination thereof have a weight ratio of 1:0.7 to 1:3.

Patent Agency Ranking