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Title:
LAMINATED POLYPROPYLENE FILM
Document Type and Number:
WIPO Patent Application WO/2017/221781
Kind Code:
A1
Abstract:
Provided is a laminated polypropylene film that has a gas barrier performance comparable to polyvinylidene chloride-coated polypropylene films, and comprises: a film that uses a propylene polymer; and a thin-film layer having an inorganic compound as the main component thereof. The laminated polypropylene film comprises: a polypropylene film base that uses a polypropylene resin; and a thin-film layer having an inorganic compound as the main component thereof, and the laminated polypropylene film is characterized by having a longitudinal heat shrinkage ratio at 150C° of not more than 7%, and having an oxygen permeability of not more than 150 mL/m2/day/MPa.

Inventors:
KINOSHITA OSAMU (JP)
YAMADA KOJI (JP)
TAGA ATSUSHI (JP)
Application Number:
PCT/JP2017/021925
Publication Date:
December 28, 2017
Filing Date:
June 14, 2017
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B7/02; B32B9/00; B32B27/32; C08J5/18
Domestic Patent References:
WO2015012324A12015-01-29
Foreign References:
JP2004168040A2004-06-17
JP2000233478A2000-08-29
JP2014205344A2014-10-30
JP2008132614A2008-06-12
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