Title:
LAMINATED FILM
Document Type and Number:
Japanese Patent JPH07117186
Kind Code:
A
Abstract:
PURPOSE: To obtain a syndiotactic polystyrene laminated film, and more particularly, a syndiotactic polystyrene laminated film that is suitably used for a base film for wrapping, capacitors, and magnetic tapes, and can restrain come-off of lubricant during film movement, and has an excellent handling and sliding property as well as abrasion resistance.
CONSTITUTION: A surface layer containing no fine particles is formed on at least one surface of a film made of a styrene polymer having a syndiotactic structure containing fine particles, and a three-dimensional surface roughness SRa on the surface layer is 0.01μm or more, and Sλa is 0.01μm or more and 20μm or less, and further the permeability to air is 900sec. or lower.
Inventors:
ODA NAONOBU
YOSHINAGA TOMONORI
OKUDAIRA TADASHI
YOSHINAGA TOMONORI
OKUDAIRA TADASHI
Application Number:
JP26640693A
Publication Date:
May 09, 1995
Filing Date:
October 25, 1993
Export Citation:
Assignee:
TOYO BOSEKI
International Classes:
B32B27/00; B32B27/20; B32B27/30; (IPC1-7): B32B27/30; B32B27/00; B32B27/20