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Patent Searching and Data


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 (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
OKADA, Kazuma (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
IMANISHI, Yasuyuki (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
OHKURA, Masatoshi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
Application Number:
JP2015/069428
Publication Date:
January 14, 2016
Filing Date:
July 06, 2015
Export Citation:
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Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
International Classes:
B32B27/32; B32B27/00
Domestic Patent References:
WO2014061403A12014-04-24
Foreign References:
JP2014001265A2014-01-09
JPH06255060A1994-09-13
JP2006077238A2006-03-23
JP2007126644A2007-05-24
JP2005280125A2005-10-13
Attorney, Agent or Firm:
SAKAI, Hiroaki (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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