Title:
【発明の名称】平版印刷
Document Type and Number:
Japanese Patent JP2001504248
Kind Code:
A
Abstract:
A method for forming a planographic printing member is disclosed. A hydrophilic layer is formed on a support by contacting the support with a silicate solution that contains a silicate and a particulate material. An image layer is provided over the hydrophilic layer. The hydrophilic layer is treated to ensure that the image layer is able to change color on exposure. The hydrophilic layer may be treated with an acid, with a buffer formulation, with a colloidal suspension, or with a salt. Preferably the hydrophilic layer is treated with aluminum sulphate.
Inventors:
Jolly, barry
Bambra, Hergit Singh
Robert Michael, Organ
Bambra, Hergit Singh
Robert Michael, Organ
Application Number:
JP52332798A
Publication Date:
March 27, 2001
Filing Date:
November 13, 1997
Export Citation:
Assignee:
Horsel Graphics Industries Limited
International Classes:
G03F7/11; B41N3/03; G03F7/00; G03F7/105; G03F7/26; (IPC1-7): G03F7/26; B41N3/03; G03F7/00
Attorney, Agent or Firm:
Aoyama Ryo (2 outside people)