Pigment composite particle
AssigneeIndustrial Technology Research Institute
InventorsCheng En WU, Li Wen CHEN, Chih Lung CHIU, Pang-Hung LIU
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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.
Claims12
A pigment composite particle, comprising:
- an organic pigment core;
- a polyelectrolyte shell wrapped around the organic pigment core;
- and
- an oxide shell wrapped around the polyelectrolyte shell,
- wherein the organic pigment core is water-insoluble.
Dependencies are inferred from the claim text.