| 摘要 |
In-situ processes for making bichromal particles include forming particles having a one color and an anionic surface charge, and separately forming particles having another color and a cationic surface charge. The anionic and cationic particles are mixed, and aggregated to form bichromal aggregates. The aggregated particles are coalesced to form bichromal particles. The bichromal particles can be used in gyricon sheets and gyricon displays.
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