Title:
POLYALCOHOL FILM AND ITS LAMINATED FILM
Document Type and Number:
Japanese Patent JP3516797
Kind Code:
B2
Abstract:
PURPOSE: To improve the high-speed bag productivity, thermal filling and sealing properties, film formability, film appearance, adhesion and gas barrier properties of a polyalcohol film.
CONSTITUTION: This polyalcohol film comprises a polyalcohol, prepared by reducing a polyketone comprising a carbon monoxide-ethylenic copolymer and having 0.3-3.0dl/g intrinsic viscosity and 110-180°C melting point and has 108 to 1011dyne/cm dynamic elastic modulus at 75°C and 5×10-12cc.cm/ cm2.sec.cmHg oxygen permeation coefficient at 20°C an 75% RH. Furthermore, the laminated film has the film.
Inventors:
Yoshimi, Kazuyori
Dohata, Yoshizo
Aoyama, Akemasa
Dohata, Yoshizo
Aoyama, Akemasa
Application Number:
JP7230296A
Publication Date:
April 05, 2004
Filing Date:
March 27, 1996
Export Citation:
Assignee:
KURARAY CO LTD
International Classes:
C08J7/04; B32B27/30; C08G67/00; C08G67/02; C08J5/18; (IPC1-7): C08J5/18; B32B27/30; C08G67/02
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