Photosensitive resin composition, photosensitive printing plate using the same and method of manufacturing printing master plate
US5885746A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1995 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Dec 28, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photosensitive resin composition comprising a high polymer binder, a monomer, a photopolymerization initiator generating a radical on exposure to visible light of a wavelength of 400 to 700 nm such as triazine compounds, titanocene compounds, or acridine compounds, an optically-activated acid generating agent generating an acid on exposure to light of a wavelength of 200 to 380 nm, and a color former developing a color in the presence of an acid, and a method manufacturing a printing master plate comprising the steps of exposing a photosensitive printing plate which has a laminated layer made from a photosensitive resin composition thereon to visible light of wavelength in the range of 400 to 600 nm selectively in an imagewise configuration in order to harden the resin composition layer, developing the photosensitive printing plate, and further exposing the developed plate to light of a wavelength in the range 200 to 380 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.