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Title:
LAMINATED BODY, PACKAGE, AND PACKAGING ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/069514
Kind Code:
A1
Abstract:
The present invention provides a laminated body that has excellent non-adsorption properties, and that, despite the fact that an adhesive layer between a base material layer and a sealant layer is thin, provides excellent adhesion strength between those layers. The laminated body (1) according to the present invention is provided with a base material layer (11), an adhesive layer (14) having a thickness in the range of 0.1-1.0 μm, and an unstretched sealant layer (15) that comprises a cyclic olefin-based resin and has a thickness in the range of 10-40 μm, wherein: one of the main surfaces of the sealant layer (15) constitutes the outermost surface of the laminated body 1; the other main surface of the sealant layer (15) is bonded to the base material layer (11) via the adhesive layer (14); and the adhesion strength between the base material layer (11) and the sealant layer (15) is at least 0.8 N/15 mm.

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Inventors:
SUGIYAMA YUKI (JP)
ISHIDA SATORU (JP)
HIROSE RYO (JP)
Application Number:
PCT/JP2018/024433
Publication Date:
April 11, 2019
Filing Date:
June 27, 2018
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B32B27/32; B32B7/12; B32B27/00; B65D65/40
Domestic Patent References:
WO2013105524A12013-07-18
WO2004080370A12004-09-23
Foreign References:
JP2012149121A2012-08-09
JP2013039938A2013-02-28
JP2012236382A2012-12-06
JP2007291364A2007-11-08
JP2008207823A2008-09-11
JP2012086876A2012-05-10
JP2017162830A2017-09-14
Other References:
ANONYMOUS: "TOPAS(R)COC, Polyplastics - Product Overview", TOPAS® COC, POLYPLASTICS, PRODUCT LINES, 6 September 2018 (2018-09-06), pages 1, XP009519526, Retrieved from the Internet
See also references of EP 3693162A4
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
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