Silica dispersion, method for preparing the same and method for making ink-jet recording material using the same
US6403162B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Jul 5, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/5254
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Disclosed are a method for making an ink-jet recording material which comprises adding silica fine particles having an average primary particle diameter of 50 nm or less to a dispersion medium mainly comprising water containing a cationic polymer having a weight average molecular weight of 100,000 or less and mixing to prepare a slurry of silica fine particles; dispersing the slurry of silica fine particles by a dispersing machine to prepare a dispersion of silica fine particles; mixing the dispersion of silica fine particles with at least a hydrophilic binder to prepare a coating solution for forming an ink-receptive layer; and coating the coating solution for forming an ink-receptive layer on a support and drying, a method for preparing a dispersion of silica fine particles and the silica dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.