SELF-CLEANING TONER COMPOSITION Russian patent published in 2018 - IPC G03G9/08 G03G9/87 C08J3/20 C09D11/02 G03G15/00 G03G21/00 

Abstract RU 2641902 C2

FIELD: chemistry.

SUBSTANCE: method of producing a toner composition includes: the first stage of mixing, where resin, colorant, wax, and optional charge controller are mixed with obtaining toner particles; the second stage of mixing, where the first inorganic fine powder and silicone oil are mixed with obtaining oiled fine inorganic powder; and adding the oiled inorganic fine powder to the toner particles and mixing the oiled inorganic fine powder and the toner particles with obtaining the final toner particles, which does not require a heat treatment for bonding silicone oil and fine inorganic powder. A version of the method for producing a toner composition, a toner composition, and an image forming device comprising such a composition are also described.

EFFECT: producing a toner composition that allows to use spherical particles and to provide a stable density and significantly improved toner cleaning performance, as well as background stability.

20 cl, 4 dwg, 3 ex

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RU 2 641 902 C2

Authors

Morales-Torado Juan A.

Mang Mark E.

Zona Michael F.

Kumar Samir

Lafica Susan J.

Dates

2018-01-23Published

2014-09-09Filed