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...

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Bibliographic Details
Main Authors GOLCHERT RAINER, LYGIN ALEXANDER, MENZEL FRANK, GIESSELER MAREIKE
Format Patent
LanguageEnglish
Korean
Published 18.08.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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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