Toner composition
US5281505A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1991 |
| Grant date | Jan 25, 1994 |
| Priority date | — |
| Expiry date | Jun 25, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner composition comprising a binder resin having dispersed therein additives including a colorant and a charge control agent, wherein said additives are present as agglomerates having an average sectional area of from 1.4 to 1.7 .mu.m.sup.2 in a section of toner particles, the total sectional area of the agglomerates in the section of toner particles ranging from 1.5 to 1.8%, or wherein said colorant and charge control agent are present as agglomerates having an average sectional area of from 1.4 to 1.7 .mu.m.sup.2 in a section of toner particles, and said composition has such rheological characteristics that a dissipation factor (tan .delta.) is from 0.95 to 1.25 when a storage elastic modulus (G') is 10.sup.4 dyne/cm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.