JP2017203888A5 - - Google Patents

Claims (7)

A toner having toner particles having a surface containing an organosilicon polymer and having a silicone oil on the surface,
The organosilicon polymer is a polymer having a partial structure represented by the following formula ( ^Ra T3),
When particles obtained by washing the toner by the water washing method are used as toner A, in measurement of ²⁹ Si-NMR using the toner A as a sample,
The ratio of peak area of partial structure represented by the following formula ( ^Ra T3) [SAR ^a T3] and ratio of peak area of partial structure represented by the following formula (Me2D2) [SAMe2D2] are
0.001 ≦ ([SAMe2D2] / [SAR ^a T3]) × 100 ≦ 10.000
A toner characterized by satisfying the following relationship:

(Wherein, R ^a represents a hydrocarbon group having 1 to 6 carbon atoms or an aryl group)

When particles obtained by washing the toner A with hexane are taken as toner Ah, in measurement by fluorescent X-ray analysis, the SiO ₂ amount MA (mass%) of the toner A and the SiO ₂ amount MAh (mass%) of the toner Ah The toner according to claim 1, wherein the relationship of (0.0010 ≦ (MA−MAh) /MA≦5.00000). In measurement of ²⁹ Si-NMR using tetrahydrofuran (THF) insoluble matter of the toner Ah as a sample,
To the total peak area [SAhtX] of THF-insoluble matter of the organosilicon polymer of the toner Ah, wherein the ratio of the peak area of the partial structure represented by ^{(R a T3) [SAhtR a} T3] is, [SAhtR ^a T3] The toner according to claim 2, which satisfies a relationship of 0.200.20. A structure in which the number of O _1/2 bonded to silicon is 2.0 with respect to the total peak area of the organosilicon polymer of the THF insolubles in the measurement of ²⁹ Si-NMR using THF insolubles of the toner Ah as a sample The toner according to any one of claims 1 to 3, wherein a ratio [SAhtX2] of peak areas (hereinafter also referred to as X2 structure) satisfies the relationship 0.60 ≧ [SAhtX2] ≧ 0.00.

(R ^g and R ^{h in} formula (X2) are each independently an organic group, a halogen atom, a hydroxy group or an alkoxy group.) The toner according to any one of the silicone oil 1mm has a viscosity at 25 ° C. ² / s or more 10,000 mm ² / s or less under a is claims 1 to 4.   Average Thickness of Surface Layer of Toner Particles Containing Organosilicon Polymer Dav. The toner according to any one of claims 1 to 5, which has a diameter of 2.5 nm or more and 150.0 nm or less.   The toner according to any one of claims 1 to 6, wherein the relationship between the Si strength G of the toner and the Si strength GA of the toner A is 80.00 ((GA / G) x 100 0.00 100.00.