Method for producing core-shell structured resin microparticles and core-shell structured toner containing core-shell structured resin microparticles
US9057970B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2013 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Mar 6, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09392
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is a method for producing core-shell structured resin particles, comprising the steps of: providing a dispersion liquid of hydrophobic resin particles in which the hydrophobic resin particles are dispersed into an aqueous medium containing an anionic surfactant A and an anionic surfactant B; providing a dispersion liquid of resin microparticles in which resin microparticles are dispersed into an aqueous medium; mixing the dispersion liquid of hydrophobic resin particles and the dispersion liquid of resin microparticles; adhering the resin microparticles to surfaces of the hydrophobic resin particles by adding a water soluble metal salt to a mixture resulting from above step, wherein the surfactant A and the surfactant B satisfy the specific conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.