Toner comprising a surface layer of an organosilicon polymer protrusion
US10678155B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2019 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Jul 11, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1136
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner comprising a toner particle that contains a toner base particle and an organosilicon polymer on a surface of the toner base particle, wherein the organosilicon polymer forms protruded portions with a prescribed structure on the surface of the toner base particle, and in the toner cross section, when the protrusion width w is the length of the segment where a protruded portion and the toner base particle form a continuous interface, the protrusion diameter D is the maximum length of a protruded portion, and the protrusion height H is the length from the peak of the protruded portion to the line along the circumference of the toner base particle surface, the numerical proportion of these protruded portions having a ratio D/w of the protrusion diameter D to the protrusion width w from 0.33 to 0.80, is a least 70 number %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.