Title:
FOOD PACKAGING BAG AND MEDICAL PACKAGING BAG
Document Type and Number:
Japanese Patent JP2021091129
Kind Code:
A
Abstract:
To provide a medical packaging bag or a food packaging bag which exhibits adhesive strength with a cyclic polyolefin layer while securing heat resistance with respect to the medical packaging bag or the food packaging bag using a laminate having a layer comprising cyclic polyolefin and an adhesion layer.SOLUTION: A medical packaging bag or a food packaging bag uses a laminate having an adhesion layer and a cyclic polyolefin layer. The adhesion layer contains a hydrogenated block copolymer (I) as follows, and a propylene-based polymer (II). The hydrogenated block copolymer (I): a hydrogenated product of a block copolymer (P) which contains a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, and a polymer block (B) containing 1-100 mass% of a structural unit (b1) derived from farnesene, and 99-0 mass% of a structural unit (b2) derived from a conjugated diene excluding farnesene.SELECTED DRAWING: None
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Inventors:
KADOWAKI YUJI
Application Number:
JP2019222204A
Publication Date:
June 17, 2021
Filing Date:
December 09, 2019
Export Citation:
Assignee:
MCPP INNOVATION LLC
International Classes:
B32B27/00; A61J1/10; C08L23/10; C08L53/00; C08L53/02
Domestic Patent References:
| JP2018024776A | 2018-02-15 | |||
| JP2019018482A | 2019-02-07 | |||
| JP2014208476A | 2014-11-06 | |||
| JP2019052225A | 2019-04-04 |
Foreign References:
| WO2009066752A1 | 2009-05-28 | |||
| WO2015046544A1 | 2015-04-02 | |||
| WO2016125899A1 | 2016-08-11 |
Attorney, Agent or Firm:
Tsuyoshi Shigeno
Takayuki Shigeno
Takayuki Shigeno