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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.

Inventors:
MOCHIZUKI YASUHIRO (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:
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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)
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:
JPH10212361A1998-08-11
JPH06172465A1994-06-21
JPH09262948A1997-10-07
JPH09248885A1997-09-22
JPH09221150A1997-08-26
JPS63102933A1988-05-07
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