JP7169996B2 - ラミネートされた包装材料、それから製造される包装容器、及びラミネート材料を製造するための方法 - Google Patents
ラミネートされた包装材料、それから製造される包装容器、及びラミネート材料を製造するための方法 Download PDFInfo
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- JP7169996B2 JP7169996B2 JP2019566274A JP2019566274A JP7169996B2 JP 7169996 B2 JP7169996 B2 JP 7169996B2 JP 2019566274 A JP2019566274 A JP 2019566274A JP 2019566274 A JP2019566274 A JP 2019566274A JP 7169996 B2 JP7169996 B2 JP 7169996B2
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Landscapes
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Description
a)セルロース系バルク材料層の第1のウェブを用意する工程、
b)装飾用印刷パターンを受容し、担持するための外側印刷面を有する、印刷用基材紙の第2のウェブを用意する工程であって、印刷用基材紙が、650kg/m3より高い密度、100g/m2以下の表面質量(ISO 536)を有し、質量で1~4パーミルの少なくとも1種のサイズ剤を含み、外側印刷面が、100ml空気/分未満のベントセン表面粗さ値(ISO 8791-2)、及び20g/m2(水)より大きく30g/m2(水)より小さいコッブ値(ISO 535)を有する、用意する工程、
c)乾燥含有量で1~4g/m2の量の接着性ポリマーを含む水性接着剤組成物を、第1及び第2のウェブの一方の表面上に施す工程、
d)どちらか一方がその表面に施された水性接着剤組成物を有する第1及び第2のウェブを、圧力ローラーニップに向けて送り出して、ニップを通過する間に、且つ水性接着剤組成物が第1及び第2のウェブの表面の少なくとも1つの中に部分的に吸収される間に、介在する水性接着剤組成物によって一緒に合わせてラミネートする工程、
e)装飾用印刷パターンを、印刷用基材紙の外側印刷面上に印刷する工程、
f)ヒートシール性熱可塑性ポリマーの最内層を、印刷用基材紙側とは反対の、バルク材料層のウェブの内側にラミネートする工程、
g)熱可塑性ポリマーの最外層を、バルク材料層側の反対の、印刷用基材紙のウェブの外側印刷面にラミネートする工程
を任意の順序で含む方法に関する。
坪量、すなわち表面質量(単位(g/m2)は、ISO 536に従って決定される。
10b 包装材料
10c 包装材料
11a セルロース系バルク材料層
11b セルロース系バルク材料層
11c セルロース系バルク材料層
12a セルロース系印刷用基材紙
12b セルロース系印刷用基材紙
12c セルロース系印刷用基材紙
12a-1 外側印刷面
12b-1 外側印刷面
12c-1 外側印刷面
13a 熱可塑性ポリマーの透明な最外保護層
13b 熱可塑性ポリマーの透明な最外保護層
13c 熱可塑性ポリマーの透明な最外保護層
14a ガスバリアフィルム又は箔
14b ガスバリアフィルム又は箔
14b-1 基材フィルム
14b-2 DLCコートフィルム
15a ヒートシール性で液密な熱可塑性ポリマーの最内層
15b ヒートシール性で液密な熱可塑性ポリマーの最内層
15c ヒートシール性で液密な熱可塑性ポリマーの最内層
16a デンプン接着剤
16b デンプン接着剤
16c (記載なし)
17a 結合層
17b 中間結合層
18a 接着性ポリマー層
18b 中間接着層、接着性ポリマー層
18c 接着性ポリマー層
21 水性接着剤組成物を施す工程
22 圧力ローラーニップ
23 熱可塑性ポリマーの溶融カーテン
24 押出
25 ラミネート
26 ラミネートされたウェブ
27 ラミネートする工程
27’ ラミネートする工程
28 溶融カーテン
29 共押出
30 ラミネートA セルロース系バルク材料層の第1のウェブ
30a 包装容器
30b 包装容器
30c ゲーブルトップ包装
30d ボトル型包装
31a 縦方向の封緘
31b 縦方向の封緘
32a 横方向の封緘
32b 横方向の封緘
33 開口具
34 スリーブ
35 頂部
41 管状物
42 縦方向の端部
42’ 縦方向の端部
43 接合部
44 充填
45 横方向の封緘
46 包装
B セルロース系印刷用基材紙の第2のウェブ
C ガスバリア層を含むウェブ
AB 印刷用基材紙とバルク層とがラミネートされた層のウェブ
ABC バルク材料層と印刷用基材紙とガスバリアフィルム若しくは箔とのウェブ
Claims (16)
- 液状食品を包装するためのラミネートされた包装材料(10a;10b;10c)であって、セルロース系バルク材料層(11a;11b;11c)と、バルク材料層の外側、すなわち、ラミネートされた材料から作製された包装容器の外部を向くことになる側に配置された、熱可塑性ポリマーの透明な最外保護層(13a;13b;13c)と、熱可塑性ポリマーの透明な最外保護層の下に、すなわち内側に配置され、それを通して目に見える装飾用印刷パターンと、包装容器内の液状食品と直接接触することになるヒートシール性で液密な熱可塑性ポリマーの最内層(15a;15b;15c)とを含み、ラミネートされた包装材料が、乾燥質量で1~4g/m2の接着剤によってバルク材料層の外側に接着されており、且つ装飾用印刷パターンを担持するための外側印刷面を有する、セルロース系印刷用基材紙(12a;12b;12c)を更に含み、印刷用基材紙が、バルク層の外側と熱可塑性ポリマーの最外層との間にラミネートされており、650kg/m3より高い密度、100g/m2以下の表面質量(ISO 536)を有しており、0.1~0.4質量%の少なくとも1種のサイズ剤を含み、外側印刷面が、100ml空気/分未満のベントセン表面粗さ値(ISO 8791-2)、及び20g/m2(水)より大きく30g/m2(水)未満のコッブ値を有する、
ラミネートされた包装材料。 - 印刷用基材紙の外側印刷面(12a-1;12b-1;12c-1)が、22~28g/m2のコッブ値を有する、請求項1に記載のラミネートされた包装材料。
- 印刷用基材紙の外側印刷面(12a-1;12b-1;12c-1)が、80ml空気/分を下回るベントセン表面粗さ値を有する、請求項1に記載のラミネートされた包装材料。
- 印刷用基材紙(12a;12b;12c)が、80g/m2未満の表面質量を有する、請求項1から3のいずれか一項に記載のラミネートされた包装材料。
- 印刷用基材紙(12a;12b;12c)が、少なくとも40Nm/gの比引張強さ(GM)を有する、請求項1から4のいずれか一項に記載のラミネートされた包装材料。
- 印刷用基材紙(12a;12b;12c)が、少なくとも6mNm2/gの比引裂強さを有する、請求項1から5のいずれか一項に記載のラミネートされた包装材料。
- 印刷用基材紙(12a;12b;12c)が、MG(マシン光沢仕上げ)紙、MF(マシン仕上げ)紙、LWC(軽量コート)紙、可撓性包装紙、金属化原紙、デジタル印刷用紙、コピー用紙、及びインクジェット印刷用紙からなる群から選択される紙である、請求項1から6のいずれか一項に記載のラミネートされた包装材料。
- 印刷用基材紙の外側印刷面(12a-1;12b-1;12c-1)が、金属化されており、100ml空気/分(ベントセン)未満の表面粗さを有する、請求項1から7のいずれか一項に記載のラミネートされた包装材料。
- 印刷用基材紙の外側印刷面(12a-1;12b-1;12c-1)が天然の未漂白のセルロース繊維の色である、請求項1から8のいずれか一項に記載のラミネートされた包装材料。
- バルク材料層(11a;11b;11c)が、100~300g/m2の表面質量を有する液体包装グレードの板紙である、請求項1から9のいずれか一項に記載のラミネートされた包装材料。
- バルク材料層の内側と熱可塑性ポリマーの最内層との間にラミネートされた、ガスバリアフィルム又はアルミニウム箔を更に含む、請求項1から10のいずれか一項に記載のラミネートされた包装材料。
- 請求項1から11のいずれか一項に記載のラミネートされた包装材料を含む、液状食品包装容器(30a;30b;30c;30d)。
- 請求項1から11のいずれか一項に記載のラミネートされた包装材料を製造するための方法であって、以下の工程:
a)セルロース系バルク材料層の第1のウェブ(A)を用意する工程、
b)装飾用印刷パターンを受容し、担持するための外側印刷面(12a-1;12b-1;12c-1)を有する、印刷用基材紙の第2のウェブ(B)を用意する工程であって、印刷用基材紙が、650kg/m3より高い密度、100g/m2以下の表面質量(ISO 536)を有し、0.1~0.4質量%の少なくとも1種のサイズ剤を含み、外側印刷面が、100ml空気/分未満のベントセン表面粗さ値(ISO 8791-2)、及び20g/m2(水)より大きく30g/m2(水)より小さいコッブ値(ISO 535)を有する、用意する工程、
c)乾燥含有量で1~4g/m2の量の接着性ポリマーを含む水性接着剤組成物を、第1及び第2のウェブの一方の表面上に施す工程(21)、
d)どちらか一方がその表面に施された水性接着剤組成物を有する第1及び第2のウェブを、圧力ローラーニップ(22)に向けて送り出して、ニップを通過する間に、且つ水性接着剤組成物が第1及び第2のウェブの表面(A及びB)の少なくとも1つの中に部分的に吸収される間に、介在する水性接着剤組成物によって一緒に合わせてラミネートする工程、
e)装飾用印刷パターンを、印刷用基材紙の外側印刷面上に印刷する工程、
f)ヒートシール性熱可塑性ポリマーの最内層を、印刷用基材紙側とは反対の、バルク材料層のウェブの内側にラミネートする工程(27)、
g)熱可塑性ポリマーの最外層を、印刷用基材紙のウェブの外側印刷面、すなわち、バルク材料層側とは反対の外側印刷面にラミネートする工程(27’)、
を任意の順序で含む方法。 - 工程e)が、工程c)及びd)の前に実施されて、印刷用基材紙(12a;12b;12c)が、最初に別の印刷操作で装飾用印刷パターンで印刷されるようにする、請求項13に記載の方法。
- バルク材料層(11a;11b;11c)が、200ml空気/分(ベントセン)未満の外側表面粗さまでカレンダー処理されている、請求項13又は14に記載の方法。
- バルク材料層(11a;11b;11c)が、120ml空気/分(ベントセン)未満の表面粗さを有する液体包装用板紙(LPB)である、請求項13から15のいずれか一項に記載の方法。
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EP3766700B1 (en) | 2019-07-17 | 2023-06-21 | Tetra Laval Holdings & Finance S.A. | Packaging material and a manufacturing process thereof |
SE543736C2 (en) * | 2019-11-04 | 2021-07-06 | Stora Enso Oyj | Coating for reducing oil absorbency of cellulosic webs |
KR102373880B1 (ko) * | 2020-09-10 | 2022-03-16 | 아세아제지(주) | 신선식품용 원지 |
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