MAGNESIUM SILICATE POWDER, MANUFACTURING METHOD THEREFOR, AND TONER EXTERNAL ADDITIVE FOR ELECTROPHOTOGRAPHY

To provide a magnesium silicate powder having electrification property useful as an external additive for electrophotography.SOLUTION: There is provided a magnesium silicate powder having a forsterite crystal structure with a chemical formula MgSiO(x=0.05 or more and 0.5 or less), and an average par...

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Bibliographic Details
Main Authors SEKI TOSHIMASA, MINO WATARU
Format Patent
LanguageEnglish
Japanese
Published 22.07.2019
Subjects
CHEMISTRY
CINEMATOGRAPHY
COMPOUNDS THEREOF
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
INORGANIC CHEMISTRY
MAGNETOGRAPHY
METALLURGY
NON-METALLIC ELEMENTS
PHOTOGRAPHY
PHYSICS
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Summary:To provide a magnesium silicate powder having electrification property useful as an external additive for electrophotography.SOLUTION: There is provided a magnesium silicate powder having a forsterite crystal structure with a chemical formula MgSiO(x=0.05 or more and 0.5 or less), and an average particle diameter of primary particles of 20 nm or more and 150 nm or less.SELECTED DRAWING: None 【課題】本発明は、電子写真用トナーの外添剤として有用な帯電特性を有する、ケイ酸マグネシウム粉末を提供する。【解決手段】化学式Ｍｇ（２−ｘ）ＳｉＯ（４−ｘ）（ｘ＝０．０５以上０．５以下）であって、一次粒子の平均粒径が２０ｎｍ以上１５０ｎｍ以下である、フォルステライト結晶構造を有するケイ酸マグネシウム粉末。【選択図】なし
Bibliography:Application Number: JP20180002650