TONER, METHOD OF FORMATION OF FULL-COLOUR IMAGES AND DEVICE FOR FORMATION OF FULL-COLOUR IMAGES, USING SUCH TONER Russian patent published in 2015 - IPC G03G9/97 G03G9/87 

Abstract RU 2559452 C2

FIELD: printing.

SUBSTANCE: invention relates to a toner used in the processes of formation of full-colour images. The toner comprises a resin binder, a colorant and a phenolic multimer of formula

where R1-R6, R11, R12, R14-R16, R21, R22, R24-R26 is a hydrogen atom or a substituent indicated in formula; n is an integer equal to 1 or more, preferably from 5 to 25.

EFFECT: proposed toner has increased chargeability with the toner charge amount of -80 mckl/g to -10 mckl/g, the charge stability in any conditions of environment and durability.

13 cl, 10 dwg, 3 tbl, 16 ex

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RU 2 559 452 C2

Authors

Vatanabe Masaki

Jamasita Khirosi

Sekiguti Satojuki

Dates

2015-08-10Published

2012-02-17Filed