JP2022024906A5 - - Google Patents

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Publication number
JP2022024906A5
JP2022024906A5 JP2020127739A JP2020127739A JP2022024906A5 JP 2022024906 A5 JP2022024906 A5 JP 2022024906A5 JP 2020127739 A JP2020127739 A JP 2020127739A JP 2020127739 A JP2020127739 A JP 2020127739A JP 2022024906 A5 JP2022024906 A5 JP 2022024906A5
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JP
Japan
Prior art keywords
heat
sealable
less
paper
seconds
Prior art date
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Application number
JP2020127739A
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Japanese (ja)
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JP7491766B2 (en
JP2022024906A (en
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Publication date
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Priority to JP2020127739A priority Critical patent/JP7491766B2/en
Publication of JP2022024906A publication Critical patent/JP2022024906A/en
Publication of JP2022024906A5 publication Critical patent/JP2022024906A5/ja
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Publication of JP7491766B2 publication Critical patent/JP7491766B2/en
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Claims (5)

針葉樹未晒クラフトパルプを主成分とする紙基材と、
上記紙基材の片面に積層されるヒートシール層と
を備えており、
上記紙基材における流れ方向の耐折強度が５００回以上１，０００回以下であり、幅方向の耐折強度が８０回以上２００回以下であり、
ヒートシール層積層面の表面のベック平滑度が３秒以上２３０秒以下であり、
上記ヒートシール層の主成分がアイオノマー樹脂であり、
上記ヒートシール層の塗工量が１．５ｇ／ｍ２以上１０．０ｇ／ｍ２以下であるヒートシール紙。 A paper base material mainly composed of softwood unbleached kraft pulp,
and a heat seal layer laminated on one side of the paper base material,
The folding endurance in the machine direction of the paper substrate is 500 times or more and 1,000 times or less, and the folding endurance in the width direction is 80 times or more and 200 times or less,
The Bekk smoothness of the surface of the heat seal layer laminated surface is 3 seconds or more and 230 seconds or less,
The main component of the heat seal layer is an ionomer resin,
Heat-sealable paper, wherein the coating amount of the heat-sealable layer is 1.5 g/m 2 or more and 10.0 g/m 2 or less. 上記紙基材の全パルプにおける上記針葉樹未晒クラフトパルプの含有量が９５質量％以上である請求項１に記載のヒートシール紙。 The heat-sealable paper according to claim 1, wherein the content of the unbleached softwood kraft pulp in the total pulp of the paper substrate is 95% by mass or more. 上記ヒートシール層の表面のベック平滑度が２０秒以上２５０秒以下である請求項１又は請求項２に記載のヒートシール紙。 3. The heat-sealable paper according to claim 1, wherein the surface of the heat-sealable layer has a Bekk smoothness of 20 seconds or more and 250 seconds or less. 紙基材の透湿度が３００ｇ／ｍ２・２４ｈｒ以上１，２００ｇ／ｍ２・２４ｈｒ以下である請求項１から請求項３のいずれか１項に記載のヒートシール紙。 The heat-sealable paper according to any one of claims 1 to 3 , wherein the paper substrate has a moisture permeability of 300 g/ m2 ·24hr or more and 1,200 g/m2·24hr or less. 請求項１から請求項４のいずれか１項に記載のヒートシール紙を有する包装材。 A packaging material comprising the heat-sealable paper according to any one of claims 1 to 4 .
JP2020127739A 2020-07-28 Heat seal paper and packaging materials Active JP7491766B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2020127739A JP7491766B2 (en) 2020-07-28 Heat seal paper and packaging materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020127739A JP7491766B2 (en) 2020-07-28 Heat seal paper and packaging materials

Publications (3)

Publication Number Publication Date
JP2022024906A JP2022024906A (en) 2022-02-09
JP2022024906A5 true JP2022024906A5 (en) 2023-07-31
JP7491766B2 JP7491766B2 (en) 2024-05-28

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