Claims
- 1. A light sensitive element for making a lithographic printing plate therefrom by utilizing a silver complex diffusion process which comprises:
- a polyester film;
- a hydrophilic support layer comprising an organic copolymer provided on the polyester film;
- at least one undercoat layer provided on the support layer containing a bisphenol type epoxy resin latex having an epoxy equivalent weight of at least 500, the amount of the bisphenol type epoxy resin latex being within the range of 50 to 3000 mg per 1 g of a gelatin contained in the undercoat layer;
- at least one emulsion layer containing a silver halide provided on the at least one undercoat layer; and
- an image receiving layer containing physical development nuclei provided on the at least one emulsion layer.
- 2. A lithographic printing plate material according to claim 1, wherein the bisphenol type epoxy resin latex is an emulsion of an epoxy resin represented by the following formula (I): ##STR2## wherein n is positive integer greater than 0.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2-001776 |
Jan 1990 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/637,444, filed on Jan. 4, 1991, which was abandoned upon the filing hereof.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4093458 |
McGrail et al. |
Jun 1978 |
|
4379193 |
Takaya et al. |
Nov 1989 |
|
4933267 |
Ishigaki et al. |
Jun 1990 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
637444 |
Jan 1991 |
|