Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POLYPROPYLENE FILM FOR METAL VAPOR DEPOSITION AND METAL VAPOR-DEPOSITED POLYPROPYLENE FILM
Document Type and Number:
Japanese Patent JP2001054939
Kind Code:
A
Abstract:

To provide a polypropylene film for metal vapor deposition having excellent gas barrier capacity while improving the adhesiveness of a metal vapor deposition film and a film base material at the time of metal vapor deposition and a metal vapor-deposited polypropylene film.

A surface layer comprising a polypropylene type resin of which the main peak of heat absorption accompanying the fusion of a crystal is 155-163°C and the crystal fusion calorie is 20-90 J/g is laminated to at least the single surface of a base layer comprising isotactic polypropylene with a mesopentad ratio of 90% or more and a coating layer with a thickness of 0.05-2 μm comprising a mixed coating agent of a polyester urethane resin and a water soluble org. solvent is provided on the surface layer.


Inventors:
TANAKA SHIGERU
NAGAI ITSUO
Application Number:
JP2000165614A
Publication Date:
February 27, 2001
Filing Date:
June 02, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TORAY INDUSTRIES
International Classes:
B32B27/32; B32B15/08; B32B15/085; B32B15/095; B32B15/20; C08L23/12; C08L57/02; C08L99/00; (IPC1-7): B32B27/32; B32B15/08; B32B15/20; C08L23/12; C08L57/02; C08L99/00
Attorney, Agent or Firm:
Ban Toshimitsu