Toner, toner stored unit, and image forming apparatus
US10025213B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 29, 2016 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Feb 29, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/091
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner including a binder resin, wherein the toner includes a tetrahydrofuran (THF)-insoluble component in a range of from 10% by mass through 40% by mass, wherein the toner has a main peak in a range of from 12,000 through 18,000 in a molecular weight distribution of a THF-soluble component as measured by gel permeation chromatography (GPC), wherein the main peak has a half value width in a range of from 20,000 to 50,000, and wherein the toner includes a component having a molecular weight of 2,000 or less in a range of from 10.0% by mass through 20.0% by mass and a component having a molecular weight of 100,000 or more of 8.0% by mass or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.