Title:
POLYPROPYLENE FILM ABD MULTILAYERED POLYPROPYLENE FILM
Document Type and Number:
WIPO Patent Application WO/2000/011079
Kind Code:
A1
Abstract:
A film made of a polypropylene composition which comprises crystalline polypropylene and a propylene/$g(a)-olefin copolymer having an intrinsic viscosity [$g(h)]¿RC? of 6.5 dl/g or lower and in which the ratio of the intrinsic viscosity of the copolymer [$g(h)]¿RC? to that of the crystalline polypropylene [$g(h)]¿PP? is from 0.6 to 1.2 and the product of that ratio and the weight ratio of the polypropylene to the copolymer, ([$g(h)]¿RC?/[$g(h)]¿PP?)x(W¿PP?/W¿RC?), is in the range of 0.2 to 4.5; and a multilayered film having at least one layer of the film.
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Inventors:
MOCHIZUKI YASUHIRO (JP)
MORIMOTO YOSHITAKA (JP)
NAKASHIMA TAKANORI (JP)
HIROSE TAKETO (JP)
HATTORI TAKAYUKI (JP)
AKITAYA SINICHI (JP)
KUGIMIYA YOUICHI (JP)
MORIMOTO YOSHITAKA (JP)
NAKASHIMA TAKANORI (JP)
HIROSE TAKETO (JP)
HATTORI TAKAYUKI (JP)
AKITAYA SINICHI (JP)
KUGIMIYA YOUICHI (JP)
Application Number:
PCT/JP1999/004366
Publication Date:
March 02, 2000
Filing Date:
August 12, 1999
Export Citation:
Assignee:
CHISSO CORP (JP)
MOCHIZUKI YASUHIRO (JP)
MORIMOTO YOSHITAKA (JP)
NAKASHIMA TAKANORI (JP)
HIROSE TAKETO (JP)
HATTORI TAKAYUKI (JP)
AKITAYA SINICHI (JP)
KUGIMIYA YOUICHI (JP)
MOCHIZUKI YASUHIRO (JP)
MORIMOTO YOSHITAKA (JP)
NAKASHIMA TAKANORI (JP)
HIROSE TAKETO (JP)
HATTORI TAKAYUKI (JP)
AKITAYA SINICHI (JP)
KUGIMIYA YOUICHI (JP)
International Classes:
B32B27/32; C08J5/18; C08L23/10; C08L23/14; C08L23/16; (IPC1-7): C08L23/16; C08L23/14; C08J5/18; B32B27/32; B65D30/22
Foreign References:
JPH10212361A | 1998-08-11 | |||
JPH06172465A | 1994-06-21 | |||
JPH09262948A | 1997-10-07 | |||
JPH09248885A | 1997-09-22 | |||
JPH09221150A | 1997-08-26 | |||
JPS63102933A | 1988-05-07 |
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