Title:
PACKAGING MATERIAL AND PACKAGING BAG USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/065835
Kind Code:
A1
Abstract:
The present invention is a packaging material characterized in that: a primer layer and a low-adhesion coating layer having a grammage of 0.5–20 g/m2 are layered in this order upon one or both surfaces of a substrate; the primer layer includes an acid-modification product of a block copolymer comprising a block A which contains a structural unit derived from an aromatic vinyl compound and a block B which contains a structural unit derived from a conjugated diene compound, and/or an acid-modification product of a hydrogenation product of the aforementioned block copolymer; and the low-adhesion coating layer includes a cyclic polyolefin. The present invention causes minimal adhesion of medicinal components thereto, can be processed into a packaging bag without using an adhesive, and exhibits an excellent tear strength.
Inventors:
TERASAWA YUYA (JP)
KANNO KEIICHI (JP)
KUBO HIROSHI (JP)
ISHII HIROKI (JP)
NAKANISHI RYOTA (JP)
KANNO KEIICHI (JP)
KUBO HIROSHI (JP)
ISHII HIROKI (JP)
NAKANISHI RYOTA (JP)
Application Number:
PCT/JP2018/035923
Publication Date:
April 04, 2019
Filing Date:
September 27, 2018
Export Citation:
Assignee:
TOYO ALUMINIUM KK (JP)
International Classes:
B65D65/40; B32B27/00; B32B27/28
Domestic Patent References:
| WO2016152389A1 | 2016-09-29 | |||
| WO2016103999A1 | 2016-06-30 | |||
| WO2017094491A1 | 2017-06-08 | |||
| WO2016194555A1 | 2016-12-08 |
Foreign References:
| JP2016087821A | 2016-05-23 | |||
| US20150225151A1 | 2015-08-13 | |||
| JP2005328928A | 2005-12-02 |
Other References:
See also references of EP 3689776A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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