JPWO2022030519A5 - - Google Patents
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- Publication number
- JPWO2022030519A5 JPWO2022030519A5 JP2022541578A JP2022541578A JPWO2022030519A5 JP WO2022030519 A5 JPWO2022030519 A5 JP WO2022030519A5 JP 2022541578 A JP2022541578 A JP 2022541578A JP 2022541578 A JP2022541578 A JP 2022541578A JP WO2022030519 A5 JPWO2022030519 A5 JP WO2022030519A5
- Authority
- JP
- Japan
- Prior art keywords
- paper
- gas barrier
- material according
- pigment
- barrier material
- 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.)
- Granted
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- 230000004888 barrier function Effects 0.000 claims 19
- 239000000463 material Substances 0.000 claims 9
- 239000000049 pigment Substances 0.000 claims 6
- 229920003169 water-soluble polymer Polymers 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- 238000009459 flexible packaging Methods 0.000 claims 1
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 1
Claims (8)
最上部に位置するガスバリア層が、水溶性高分子を含有し、顔料の含有率が乾燥重量で５重量％以下であり、
他のガスバリア層のうち少なくとも一層が、水溶性高分子と顔料を含有し、前記最上部に位置するガスバリア層よりも顔料の含有率が高く、
前記最上部に位置するガスバリア層の塗工量が、複数のガスバリア層のうち最も小さいことを特徴とする紙製バリア材料。 having a plurality of adjacently laminated gas barrier layers on a paper substrate;
the uppermost gas barrier layer contains a water-soluble polymer and has a pigment content of 5 % by weight or less on a dry weight basis;
at least one of the other gas barrier layers contains a water-soluble polymer and a pigment, and has a higher pigment content than the uppermost gas barrier layer;
The paper barrier material , wherein the coating amount of the gas barrier layer positioned at the uppermost portion is the smallest among the plurality of gas barrier layers .
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020132229 | 2020-08-04 | ||
| JP2020132229 | 2020-08-04 | ||
| PCT/JP2021/028867 WO2022030519A1 (en) | 2020-08-04 | 2021-08-04 | Paper barrier material |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022030519A1 JPWO2022030519A1 (en) | 2022-02-10 |
| JPWO2022030519A5 true JPWO2022030519A5 (en) | 2022-12-15 |
| JP7248869B2 JP7248869B2 (en) | 2023-03-29 |
Family
ID=80117439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022541578A Active JP7248869B2 (en) | 2020-08-04 | 2021-08-04 | Paper barrier material |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7248869B2 (en) |
| WO (1) | WO2022030519A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2022210653A1 (en) * | 2021-03-30 | 2022-10-06 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1249533A1 (en) * | 2001-04-14 | 2002-10-16 | The Dow Chemical Company | Process for making multilayer coated paper or paperboard |
| JP4334512B2 (en) * | 2005-08-17 | 2009-09-30 | 住友化学株式会社 | Method for producing film laminate |
| JP2007216592A (en) * | 2006-02-20 | 2007-08-30 | Oji Paper Co Ltd | Gas barrier laminate |
| JP2012206472A (en) * | 2011-03-30 | 2012-10-25 | Oji Paper Co Ltd | Gas barrier laminate, and method for manufacturing the same |
| EP2777934B1 (en) * | 2011-11-10 | 2017-03-15 | Nippon Paper Industries Co., Ltd | Barrier paper packaging material |
| KR101908173B1 (en) * | 2012-06-22 | 2018-10-15 | 트린세오 유럽 게엠베하 | A coated substrate and system and method for making the same |
| JP7439641B2 (en) * | 2019-05-28 | 2024-02-28 | 王子ホールディングス株式会社 | Barrier laminate and its manufacturing method |
-
2021
- 2021-08-04 JP JP2022541578A patent/JP7248869B2/en active Active
- 2021-08-04 WO PCT/JP2021/028867 patent/WO2022030519A1/en active Application Filing
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