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Title:
POLYPROPYLENE ORIENTED MULTILAYER FILM
Document Type and Number:
Japanese Patent JP2010208178
Kind Code:
A
Abstract:

To provide a polypropylene oriented multilayer film having excellent transparency, slidability and scratch resistance and fewer disadvantages.

The oriented multilayer film is composed of a resin composition comprising a polypropylene of a melting point of 150°C or higher and 0.01-1 pt.wt. of fine powder of silicon dioxide meeting conditions (a), (b) and (c) to 100 pts.wt. of the polypropylene and laminated with a layer of a thickness of 0.1-5 μm on at least one outermost layer. Conditions (a) the main particle size is equal to or larger than 1.0 μm and smaller than 3.5 μm; (b) the specific surface area, (CS), is equal to or higher than 2.0 m2/cc and lower than 3.0 m2/cc; and (c) the bulk density is equal to or higher than 0.16 g/cm3and lower than 0.20 g/cm3.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
HORI HIDEAKI
KIDAI SHIGEKI
Application Number:
JP2009057573A
Publication Date:
September 24, 2010
Filing Date:
March 11, 2009
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
B32B27/32; B29C55/02; C08K3/36; C08L23/10; B29K23/00; B29L7/00; B29L9/00
Domestic Patent References:
JP2004106441A2004-04-08
JP2006096938A2006-04-13
JP2006096939A2006-04-13
JP2004269311A2004-09-30
JP2008144043A2008-06-26
JP2004106441A2004-04-08
JP2006096938A2006-04-13
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto