SILICA WITH REDUCED TRIBO-CHARGE FOR TONER APPLICATIONS
The present invention relates to a surface-treated fumed silica having -500 to +500 μC/g of a tribostatic charge, a ratio of the tribostatic charge to a BET surface area of -3.5 to +3.5 μC/㎡, the methanol wettability of at least 20 % by volume of methanol in a methanol/water mixture, and a ratio of...
Saved in:
Main Authors | , , , |
---|---|
Format | Patent |
Language | English Korean |
Published |
18.08.2022
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The present invention relates to a surface-treated fumed silica having -500 to +500 μC/g of a tribostatic charge, a ratio of the tribostatic charge to a BET surface area of -3.5 to +3.5 μC/㎡, the methanol wettability of at least 20 % by volume of methanol in a methanol/water mixture, and a ratio of carbon content to the BET surface area of at most 0.020 wt%×g/㎡, a manufacturing method thereof, and uses thereof.
-500 μC/g 내지 +500 μC/g 의 마찰 정전하, -3.5 μC/㎡ 내지 +3.5 μC/㎡ 의 마찰 정전하 대 BET 표면적의 비율, 메탄올/물 혼합물 중 20 부피% 이상의 메탄올의 메탄올 습윤성, 최대 0.020 wt.%×g/㎡ 의 탄소 함량 대 BET 표면적의 비율을 갖는 표면 처리된 발연 실리카, 이의 제조 방법 및 이의 용도. |
---|---|
Bibliography: | Application Number: KR20220017108 |