Toner
US11249410B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2019 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Dec 9, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09775
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner having an adequate storage stability and adequately suppressing an ejected paper adhesion, while achieving improving low-temperature fixability, has a toner particle containing a binder resin and a plasticizer, wherein Tg1 is 53° C. or lower and Tg2 is 55° C. or higher, in DSC measurement using the toner as a sample, when the following steps (i) to (iii) are performed: (i): the temperature of the toner is raised for the first time at a rate of temperature increase of 10° C./min, (ii): after the step (i), the temperature of the toner is lowered at a rate of temperature decrease of 10° C./min, (iii): after the step (ii), the temperature of the toner is raised for the second time at a rate of temperature increase of 10° C./min, Tg1 represents a glass transition temperature measured at the step (i), and Tg2 represents a glass transition temperature measured at the step (iii).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.