JP2022026010A5 - - Google Patents
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- JP2022026010A5 JP2022026010A5 JP2020129270A JP2020129270A JP2022026010A5 JP 2022026010 A5 JP2022026010 A5 JP 2022026010A5 JP 2020129270 A JP2020129270 A JP 2020129270A JP 2020129270 A JP2020129270 A JP 2020129270A JP 2022026010 A5 JP2022026010 A5 JP 2022026010A5
- Authority
- JP
- Japan
- Prior art keywords
- paper
- plastic
- film
- plastic film
- water
- 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
Links
- 239000002985 plastic film Substances 0.000 description 11
- 229920006255 plastic film Polymers 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000088 plastic resin Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920000426 Microplastic Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000011850 water-based material Substances 0.000 description 1
Description
本実施形態の紙容器は、プラスチックフィルムを含まないことが好ましい。ここで言うプラスチックフィルムとは、延伸フィルム、キャストフィルムなどの紙とラミネートして使用するプラスチックフィルムだけでなく、プラスチックペレットなどを溶融して紙の上に直接押し出して製造する溶融押し出しラミネート法によるプラスチックフィルムも含む。なお、プラスチックを水系に分散、溶解させた水系プラスチック樹脂を、コーターで塗工して製造された水系プラスチックフィルムは、ここで言うプラスチックフィルムに含まない。紙にバリア性、強度物性、耐水性、耐油性などの各種性能を付与するためにプラスチックフィルムをラミネートすることは一般的に行われているが、プラスチックフィルムは薄いものでも15μm程度の厚みを有している。プラスチックフィルムをラミネートした紙製品を離解する場合には通常の紙製品を離解する設備ではなく専用設備が必要となる場合があるため、これらのプラスチックフィルムは紙容器を紙原料として再利用する際に、主に離解する工程で障害になるおそれがある。最終製品である紙容器がプラスチックフィルムを含まないものであれば、紙容器の紙原料としての再利用性(リサイクル性)が向上する。なお、水系プラスチック樹脂をコーターで塗工して製造された水系プラスチックフィルムは、フィルムの厚みが1~10μm程度であり、紙原料として再利用する際に障害となるおそれは少ない。 The paper container of the present embodiment preferably does not contain a plastic film. The plastic film referred to here is not only a plastic film used by laminating it with paper such as stretched film and cast film, but also a plastic produced by melting and extruding plastic pellets directly onto the paper. Also includes film. The water-based plastic film produced by coating a water-based plastic resin in which plastic is dispersed and dissolved in a water-based material with a coater is not included in the plastic film referred to here. It is common practice to laminate a plastic film on paper in order to impart various performances such as barrier properties, strength properties, water resistance, and oil resistance, but even thin plastic films have a thickness of about 15 μm. are doing. When disassembling paper products laminated with plastic film, special equipment may be required instead of the equipment for disassembling ordinary paper products, so these plastic films are used when reusing paper containers as raw materials for paper. , There is a risk of obstacles mainly in the process of disintegration. If the final product, the paper container, does not contain a plastic film, the reusability (recyclability) of the paper container as a paper raw material is improved. The water-based plastic film produced by coating the water-based plastic resin with a coater has a film thickness of about 1 to 10 μm, and is unlikely to be an obstacle when reused as a paper raw material .
本実施形態において紙容器の赤外線透過率は5%以下であることが好ましい。保温性、保冷性に優れる。5%を超えると保温性、保冷性が低下する恐れがある。 In the present embodiment, the infrared transmittance of the paper container is preferably 5% or less. Excellent heat retention and cold retention. If it exceeds 5%, the heat retention and cold retention may be deteriorated .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020129270A JP7401409B2 (en) | 2020-07-30 | 2020-07-30 | Base paper for paper containers with metal vapor deposition layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020129270A JP7401409B2 (en) | 2020-07-30 | 2020-07-30 | Base paper for paper containers with metal vapor deposition layer |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2022026010A JP2022026010A (en) | 2022-02-10 |
JP2022026010A5 true JP2022026010A5 (en) | 2022-03-04 |
JP7401409B2 JP7401409B2 (en) | 2023-12-19 |
Family
ID=80264857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020129270A Active JP7401409B2 (en) | 2020-07-30 | 2020-07-30 | Base paper for paper containers with metal vapor deposition layer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7401409B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7355469B1 (en) * | 2022-03-18 | 2023-10-03 | 日本製紙株式会社 | Flexible packaging paper and flexible packaging |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5997033U (en) * | 1982-12-22 | 1984-06-30 | 大日本印刷株式会社 | packaging material |
JP2000335629A (en) * | 1999-05-28 | 2000-12-05 | Oike Ind Co Ltd | Brilliant laminate for food and container for food |
JP2003291296A (en) * | 2002-04-04 | 2003-10-14 | Ishida Co Ltd | Laminated material |
JP5017844B2 (en) * | 2005-11-04 | 2012-09-05 | 大日本印刷株式会社 | Retort sterilization method for paper containers |
JP2008074028A (en) * | 2006-09-22 | 2008-04-03 | Du Pont Mitsui Polychem Co Ltd | Laminated body |
JP5075709B2 (en) * | 2008-03-28 | 2012-11-21 | 株式会社巴川製紙所 | Antenna paper, sheet antenna using the same, and RFID tag |
JPWO2021010040A1 (en) * | 2019-07-12 | 2021-01-21 |
-
2020
- 2020-07-30 JP JP2020129270A patent/JP7401409B2/en active Active
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