Planographic printing plate precursor and method of producing a copolymer used therein
US8124317B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2008 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Jun 9, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41C2210/262
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A planographic printing plate precursor having an intermediate layer containing a copolymer containing structural units represented by Formulae (1), (2) and (3) below, and a image forming layer, in this order on a support,wherein R1, R2 and R3 each represent a hydrogen atom, a substituent having from 1 to 30 carbon atoms, or a halogen atom, L1 represents a single bond or a (n+1)-valent connecting group, n represents an integer of from 0 to 10, L2 represents a single bond or a (m+1)-valent connecting group, X represents a carboxylate ion, M represents a counter cation necessary for neutralization of charge, m represents an integer of from 1 to 10, and Y represents a substituent having from 0 to 30 carbon atoms, provided that Y does not represent a carboxy group and does not represent the same constituent as (XM).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.