Title:
LAMINATE
Document Type and Number:
WIPO Patent Application WO/2017/164264
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a laminate that enables improvement in ease of use when the laminate is attached to an adhesion object, and that is also able to inhibit variation in solubility of a water-soluble material layer. Provided by the present invention is a laminate having: a biodegradable material layer that contains an aliphatic polyester portion and has a thickness of 10-500 nm; and a water-soluble material layer that is disposed on at least one surface of the biodegradable material layer, wherein the water-soluble material layer is formed by stacking, from the side closer to the biodegradable material layer, a first layer that contains a water-soluble polymer (a) and has a thickness of 1-20 µm, a fiber structure that contains a water-soluble polymer (b) and has a thickness of 10 µm to 100 mm, and a second layer that contains a water-soluble polymer (c) and has a thickness of 1-20 µm.
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Inventors:
SEKIDO YUKI (JP)
HOCHI MOTONORI (JP)
FUJII MAO (JP)
HOCHI MOTONORI (JP)
FUJII MAO (JP)
Application Number:
PCT/JP2017/011563
Publication Date:
September 28, 2017
Filing Date:
March 23, 2017
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/12; B32B27/36; A61L15/24; A61L15/26; A61L15/28; A61L31/04; A61L31/06; A61L31/12
Domestic Patent References:
| WO2015194616A1 | 2015-12-23 | |||
| WO2015152204A1 | 2015-10-08 | |||
| WO2014141983A1 | 2014-09-18 | |||
| WO2011081162A1 | 2011-07-07 | |||
| WO2005094915A1 | 2005-10-13 | |||
| WO2015194616A1 | 2015-12-23 |
Foreign References:
| JP2015039870A | 2015-03-02 | |||
| JP2003153999A | 2003-05-27 |
Other References:
See also references of EP 3434475A4
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