Title:
PHOTORESIST COVER FILM FOR PHOTOSENSITIVE PRINTING PLATE
Document Type and Number:
Japanese Patent JPH0683066
Kind Code:
A
Abstract:
PURPOSE: To obtain a flexible film having rough surface, excellent in flatness, less in projections of foreign matter such as gel or fish-eye, and excellent in peeling property from a photoresist and protection property for a photoresist.
CONSTITUTION: This photoresist cover film for a photosensitive printing plate is a laminated film consisting of a biaxially oriented polyolefin film (layer A) and a rough layer (layer B) laminated on at least one surface of the layer A. The rough layer (layer B) has ≥10 piece/mm roughness density PC1 of >1μm roughness, and the laminated film has 0.0002-0.010 double refraction, ≥10% total haze, and ≤5 piece/100mm2 gel and fish-eye.
Inventors:
TANAKA SHIGERU
ASAKURA MASAYOSHI
FUKADA KUNITADA
ASAKURA MASAYOSHI
FUKADA KUNITADA
Application Number:
JP23817392A
Publication Date:
March 25, 1994
Filing Date:
September 07, 1992
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B29C55/12; B32B7/02; B32B7/06; B32B27/32; C08J5/18; G03F7/11; (IPC1-7): G03F7/11; B29C55/12; B32B7/02; B32B7/06; B32B27/32
Next Patent: PRODUCTION OF PRINTING PLATE