JPWO2020158803A5 - - Google Patents
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- JPWO2020158803A5 JPWO2020158803A5 JP2020569685A JP2020569685A JPWO2020158803A5 JP WO2020158803 A5 JPWO2020158803 A5 JP WO2020158803A5 JP 2020569685 A JP2020569685 A JP 2020569685A JP 2020569685 A JP2020569685 A JP 2020569685A JP WO2020158803 A5 JPWO2020158803 A5 JP WO2020158803A5
- Authority
- JP
- Japan
- Prior art keywords
- multilayer structure
- less
- acid
- ethylene
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims 6
- 239000004711 α-olefin Substances 0.000 claims 6
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims 4
- 239000000155 melt Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 239000011342 resin composition Substances 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000005022 packaging material Substances 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
Claims (8)
エチレン－ビニルアルコール共重合体（Ａ）に対する酸変性エチレン－αオレフィン共重合体（Ｂ）の質量比（Ｂ／Ａ）が３／９７以上１７／８３以下であり、
酸変性エチレン－αオレフィン共重合体（Ｂ）のＪＩＳ Ｋ ７２１０：２０１４に従って測定した２３０℃、２１６０ｇ荷重におけるメルトフローレートが０．１ｇ／１０ｍｉｎ以上１０ｇ／１０ｍｉｎ以下であり、
全層の平均厚みの合計が５０μｍ以上５００μｍ以下であり、
全層の平均厚みの合計に対する層（Ｘ）の平均厚みの割合が１％以上１５％以下である、多層構造体。 a layer (X) comprising a resin composition (x) in which the resin component consists essentially of an ethylene-vinyl alcohol copolymer (A) and an acid-modified ethylene-α-olefin copolymer (B); and the layer (X) A multilayer structure comprising a layer (Y) containing a thermoplastic resin (C) on both sides of the
The mass ratio (B/A) of the acid-modified ethylene-α-olefin copolymer (B) to the ethylene-vinyl alcohol copolymer (A) is 3/97 or more and 17/83 or less,
The acid-modified ethylene-α-olefin copolymer (B) has a melt flow rate of 0.1 g/10 min or more and 10 g/10 min or less at 230° C. and a load of 2160 g measured according to JIS K 7210:2014,
The total average thickness of all layers is 50 μm or more and 500 μm or less,
A multilayer structure in which the ratio of the average thickness of the layer (X) to the total average thickness of all layers is 1% or more and 15% or less.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019014214 | 2019-01-30 | ||
| JP2019014214 | 2019-01-30 | ||
| PCT/JP2020/003181 WO2020158803A1 (en) | 2019-01-30 | 2020-01-29 | Multilayer structure and packaging material provided with same, and vertical forming, filling, and sealing bag |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2020158803A1 JPWO2020158803A1 (en) | 2021-12-02 |
| JPWO2020158803A5 true JPWO2020158803A5 (en) | 2022-09-01 |
| JP7184932B2 JP7184932B2 (en) | 2022-12-06 |
Family
ID=71841543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020569685A Active JP7184932B2 (en) | 2019-01-30 | 2020-01-29 | Multilayer structure, packaging material comprising the same, and vertical form-fill-seal bag |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7184932B2 (en) |
| DE (1) | DE112020000599T5 (en) |
| WO (1) | WO2020158803A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210056335A (en) * | 2018-09-07 | 2021-05-18 | 주식회사 쿠라레 | Thermoplastic resin composition |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001080002A (en) * | 1999-09-17 | 2001-03-27 | Nippon Synthetic Chem Ind Co Ltd:The | Laminated packaging material |
| JP4024627B2 (en) * | 2002-08-30 | 2007-12-19 | 株式会社クラレ | Multilayer film and method for producing the same |
| JP2004268441A (en) * | 2003-03-10 | 2004-09-30 | Dainippon Ink & Chem Inc | Multilayered film for paper laminate and film laminated paper container |
| WO2013172226A1 (en) | 2012-05-14 | 2013-11-21 | 株式会社クラレ | Blow-molded container with pinch-off part |
| CA2897575C (en) * | 2013-01-18 | 2023-01-24 | Sartorius Stedim Fmt Sas | Multilayer film comprising a core layer and an outer layer for the wall of a single-use pouch |
| EP3121230B1 (en) * | 2014-03-17 | 2019-05-08 | Kuraray Co., Ltd. | Resin composition, multi-layer structure, and bag-in-box inner container |
| CN106794680A (en) | 2014-10-01 | 2017-05-31 | 陶氏环球技术有限责任公司 | Sandwich construction and the hot forming article being made from it |
-
2020
- 2020-01-29 JP JP2020569685A patent/JP7184932B2/en active Active
- 2020-01-29 WO PCT/JP2020/003181 patent/WO2020158803A1/en active Application Filing
- 2020-01-29 DE DE112020000599.2T patent/DE112020000599T5/en active Pending
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