Cast-coated paper for ink jet recording
US5863648A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1996 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Dec 4, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31768
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Provided is a cast-coated paper suitable for ink jet recording which is produced in a process comprising a step of coating at least one side of a base paper with a coating composition comprising a pigment and a water base binder and a step of pressing the coated layer against a heated specular metal surface while the coated layer is in a wet condition; with the pigment comprising a synthetic silica having a BET specific surface area of 200-600 m.sup.2 /g in a proportion of at least 40 weight %, and with the water base binder comprising an hydrophilic urethane resin and casein in a mixing ratio of from 0.1 to 20 by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.