JPWO2021039822A5 - - Google Patents

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Publication number
JPWO2021039822A5
JPWO2021039822A5 JP2021542953A JP2021542953A JPWO2021039822A5 JP WO2021039822 A5 JPWO2021039822 A5 JP WO2021039822A5 JP 2021542953 A JP2021542953 A JP 2021542953A JP 2021542953 A JP2021542953 A JP 2021542953A JP WO2021039822 A5 JPWO2021039822 A5 JP WO2021039822A5
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JP
Japan
Prior art keywords
polyethylene terephthalate
terephthalate resin
base material
copolymerized polyethylene
container according
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.)
Pending
Application number
JP2021542953A
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Japanese (ja)
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JPWO2021039822A1 (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/JP2020/032128 external-priority patent/WO2021039822A1/en
Publication of JPWO2021039822A1 publication Critical patent/JPWO2021039822A1/ja
Publication of JPWO2021039822A5 publication Critical patent/JPWO2021039822A5/ja
Pending legal-status Critical Current

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Claims (8)

紙からなる基材層（１０）と、前記基材層の少なくとも一方面に押出ラミネートにより積層され、共重合ポリエチレンテレフタレート樹脂からなる樹脂層（１１）とを備えた複合基材（７）から構成される容器（１）であって、
前記共重合ポリエチレンテレフタレート樹脂は、イソフタル酸との共重合により得られた共重合ポリエチレンテレフタレート樹脂であり、
前記共重合ポリエチレンテレフタレート樹脂中における前記イソフタル酸の共重合割合は、１．５モル％以上２．２モル％以下であり、
前記共重合ポリエチレンテレフタレート樹脂は、融点が２３５℃以上２５０℃以下であり、
前記樹脂層の前記基材層に対する密着性は、４Ｎ／５０ｍｍ以上である、容器。It is composed of a composite base material (7) including a base material layer (10) made of paper and a resin layer (11) made of a copolymerized polyethylene terephthalate resin laminated on at least one surface of the base material layer by extrusion laminating. It is a container (1) to be made.
The copolymerized polyethylene terephthalate resin is a copolymerized polyethylene terephthalate resin obtained by copolymerization with isophthalic acid.
The copolymerization ratio of the isophthalic acid in the copolymerized polyethylene terephthalate resin is 1.5 mol% or more and 2.2 mol% or less.
The copolymerized polyethylene terephthalate resin has a melting point of 235 ° C. or higher and 250 ° C. or lower.
A container in which the adhesion of the resin layer to the base material layer is 4N / 50 mm or more. （削除）(delete) （削除）(delete) （削除）(delete) 前記共重合ポリエチレンテレフタレート樹脂は、バイオベース炭素含有率が５％以上の、生物由来のバイオマスポリエチレンテレフタレート樹脂である、請求項１記載の容器。 The container according to claim 1, wherein the copolymerized polyethylene terephthalate resin is a biological biomass polyethylene terephthalate resin having a biobase carbon content of 5% or more. 底部（２）と、前記底部の周縁から立ち上がる側壁部（３）とを備え、
前記底部と前記側壁部とは、熱接着により接続された、請求項１又は請求項５記載の容器。A bottom portion (2) and a side wall portion (3) rising from the peripheral edge of the bottom portion are provided.
The container according to claim 1 or 5, wherein the bottom portion and the side wall portion are connected by thermal adhesion. 前記複合基材から得られた１枚の原紙のプレス成形又は折り曲げによる成形によって形成された、請求項１、請求項５及び請求項６のいずれかに記載の容器。 The container according to any one of claims 1, 5 and 6, which is formed by press molding or bending molding of a single base paper obtained from the composite base material. 前記樹脂層の厚みは、６μｍ～３０μｍである、請求項１、請求項５から請求項７のいずれかに記載の容器。 The container according to any one of claims 1 and 5, wherein the thickness of the resin layer is 6 μm to 30 μm.
JP2021542953A 2019-08-26 2020-08-26 Pending JPWO2021039822A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019153927 2019-08-26
PCT/JP2020/032128 WO2021039822A1 (en) 2019-08-26 2020-08-26 Container

Publications (2)

Publication Number Publication Date
JPWO2021039822A1 JPWO2021039822A1 (en) 2021-03-04
JPWO2021039822A5 true JPWO2021039822A5 (en) 2022-06-23

Family

ID=74684779

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2021542953A Pending JPWO2021039822A1 (en) 2019-08-26 2020-08-26
JP2022545279A Pending JPWO2022044377A1 (en) 2019-08-26 2021-02-25

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022545279A Pending JPWO2022044377A1 (en) 2019-08-26 2021-02-25

Country Status (3)

Country Link
JP (2) JPWO2021039822A1 (en)
CN (1) CN116096647A (en)
WO (2) WO2021039822A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021039822A1 (en) * 2019-08-26 2021-03-04 東洋アルミエコープロダクツ株式会社 Container

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002337840A (en) * 2001-05-10 2002-11-27 Jujo Central Co Ltd Packaging container
JP2004018101A (en) * 2002-06-20 2004-01-22 Dainippon Printing Co Ltd Paper cup and its manufacturing method
JP5680917B2 (en) * 2010-09-17 2015-03-04 株式会社日本デキシー Paper container
JP6041097B2 (en) * 2012-09-21 2016-12-07 東洋製罐株式会社 Packaging material and packaging structure using the same
JP2018001611A (en) * 2016-07-01 2018-01-11 大日本印刷株式会社 Laminate equipped with polyester resin layer and packing product equipped with the same
WO2021039822A1 (en) * 2019-08-26 2021-03-04 東洋アルミエコープロダクツ株式会社 Container

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