Lithographic base and a method for making a lithographic printing plate therewith
US5445912A · kind A · utility
11Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1994 |
| Grant date | Aug 29, 1995 |
| Priority date | — |
| Expiry date | Mar 9, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a lithographic base comprising on a hydrophobic support a subbing layer contiguous to a hydrophilic layer containing a hydrophilic (co)polymer or (co)polymer mixture and being hardened with a hydrolyzed tetraalkyl orthosilicate crosslinking agent characterized in that said subbing layer contains a hydrophilic binder and silica and is applied at a solids content of more than 200 mg per m.sup.2 but less than 750 mg per m.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.