Title:
POLYPROPYLENE FILM AND RELEASE FILM
Document Type and Number:
WIPO Patent Application WO/2016/006578
Kind Code:
A1
Abstract:
To provide a polypropylene film and a release film having exceptional releasing properties, surface roughness uniformity, and productivity. A polypropylene film having a surface layer (I) principally containing polypropylene on at least one surface of a substrate layer, wherein the surface layer (I) has a surface free energy of 15 mN/m to less than 28 mN/m.
Inventors:
KUMA TAKUYA (JP)
OKADA KAZUMA (JP)
IMANISHI YASUYUKI (JP)
OHKURA MASATOSHI (JP)
OKADA KAZUMA (JP)
IMANISHI YASUYUKI (JP)
OHKURA MASATOSHI (JP)
Application Number:
PCT/JP2015/069428
Publication Date:
January 14, 2016
Filing Date:
July 06, 2015
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/32; B32B27/00
Domestic Patent References:
| WO2014061403A1 | 2014-04-24 |
Foreign References:
| JP2014001265A | 2014-01-09 | |||
| JPH06255060A | 1994-09-13 | |||
| JP2006077238A | 2006-03-23 | |||
| JP2007126644A | 2007-05-24 | |||
| JP2005280125A | 2005-10-13 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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