JP2020500752A - ポリマー多層フィルム - Google Patents
ポリマー多層フィルム Download PDFInfo
- Publication number
- JP2020500752A JP2020500752A JP2019530825A JP2019530825A JP2020500752A JP 2020500752 A JP2020500752 A JP 2020500752A JP 2019530825 A JP2019530825 A JP 2019530825A JP 2019530825 A JP2019530825 A JP 2019530825A JP 2020500752 A JP2020500752 A JP 2020500752A
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- multilayer film
- polymer
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Landscapes
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Abstract
Description
本出願は、2016年12月9日に出願された米国特許仮出願第62/432384号の優先権を主張するものであり、その開示の全容が参照により本明細書に組み込まれる。
例示的実施形態
1. ポリマー層を含み、ストランドのランダムなネットワーク(いくつかの実施形態では、伸びたストランド)及び連結領域を示すポリマー多層フィルム(ランダムなネットワークは第1の光学濃度を有し、連結領域は第2の光学濃度を有し、第1の光学濃度は第2の光学濃度よりも高く、連結領域の少なくとも一部に開口部が存在する(すなわち、スルーホールが存在しない)であって、ポリマー層が、残りのポリマー多層フィルムから分離可能である、ポリマー多層フィルム。
2. ストランドのランダムなネットワーク及び連結領域を示す少なくとも1つの更なるポリマー層(いくつかの実施形態では、少なくとも2、3、4、5、6、又は更には少なくとも7つの、ストランドのランダムなネットワーク及び連結領域を各々が示す、更なるポリマー層)を更に含む、例示的実施形態1に記載のポリマー多層フィルム。いくつかの実施形態では、層の全て、又は層のいくつかが、ストランドのランダムなネットワーク及び連結領域を示す別の層に隣接している。いくつかの実施形態では、ストランドのランダムなネットワーク及び連結領域を各々が示す、1つ以上の更なるポリマー層は、感圧接着剤を含み、その各々は、第1の感圧接着剤と同じであっても異なっていてもよく、又は互いに異なっていてもよい。
3. ストランドのランダムなネットワーク及び連結領域を示す層が、独立して、ポリオレフィン材料(例えば、ポリプロピレン及び/又はポリエチレン)、変性ポリオレフィン材料、ポリビニルクロライド、ポリカーボネート、ポリスチレン、ポリエステル(コポリエステルを含む)、ポリ乳酸、ポリフッ化ビニリデン、(メタ)アクリル(例えば、ポリメチルメタクリレート)、ウレタン、アクリルウレタン、エチレンビニルアセテートコポリマー、アクリレート変性エチレンビニルアセテートポリマー、エチレンアクリル酸コポリマー、ナイロン、エンジニアリングポリマー(例えば、ポリケトン及び/又はポリメチルペンタン)、又はエラストマー(例えば、天然ゴム;合成ゴム;イソプレンブロック、ブタジエンブロック、若しくはエチレン(ブチレン)ブロックを含有するスチレンブロックコポリマー;メタロセン触媒によるポリオレフィン、ポリウレタン;若しくはポリジオルガノシロキサン)のうちの少なくとも1つを含む、例示的実施形態1又は2のいずれかに記載のポリマー多層フィルム。
4. ストランドのランダムなネットワーク及び連結領域を示す少なくとも1つの層が、少なくとも1%(いくつかの実施形態では、少なくとも5、10、15、20、25、30、35、40、45、50、55、60、65、70、75%、又は更には少なくとも80%、いくつかの実施形態では、1〜80%の範囲)の開放気孔率を有する、例示的実施形態1〜3のいずれか1つに記載のポリマー多層フィルム。
5. ストランドのランダムなネットワーク及び連結領域を示す層が、感圧接着剤を本質的に含まない、例示的実施形態1〜4のいずれか1つに記載のポリマー多層フィルム。
6. ストランドのランダムなネットワーク及び連結領域を示す層が、感圧接着剤を含む、例示的実施形態1〜4のいずれか1つに記載のポリマー多層フィルム。
7. 第1の連続層を更に含む、例示的実施形態1〜6のいずれか1つに記載のポリマー多層フィルム。
8. 第1の連続層が感圧接着剤を含まず、ストランドのランダムなネットワーク及び連結領域を示す層が、感圧接着剤を含む、例示的実施形態7に記載のポリマー多層フィルム。
9. 第1の連続層が第1の感圧接着剤を含み、ストランドのランダムなネットワーク及び連結領域を示す層が、第2の感圧接着剤を含む、例示的実施形態7に記載のポリマー多層フィルム。
10. 第1の感圧接着剤が、第2の感圧接着剤よりも高い粘着性を有する、例示的実施形態9に記載のポリマー多層フィルム。
11. 第1の感圧接着剤が、第2の感圧接着剤よりも低い粘着性を有する、例示的実施形態7に記載のポリマー多層フィルム。
12. 第1の連続層が、ポリオレフィン材料(例えば、ポリプロピレン及び/又はポリエチレン)、変性ポリオレフィン材料、ポリビニルクロライド、ポリカーボネート、ポリスチレン、ポリエステル(コポリエステルを含む)、ポリ乳酸、ポリフッ化ビニリデン、(メタ)アクリル(例えば、ポリメチルメタクリレート)、ウレタン、アクリルウレタン、エチレンビニルアセテートコポリマー、アクリレート変性エチレンビニルアセテートポリマー、エチレンアクリル酸コポリマー、ナイロン、エンジニアリングポリマー(例えば、ポリケトン及び/又はポリメチルペンタン)、又はエラストマー(例えば、天然ゴム;合成ゴム;イソプレンブロック、ブタジエンブロック、若しくはエチレン(ブチレン)ブロックを含有するスチレンブロックコポリマー;メタロセン触媒によるポリオレフィン、ポリウレタン;若しくはポリジオルガノシロキサン)のうちの少なくとも1つを含む、例示的実施形態7に記載のポリマー多層フィルム。
13. 第1の連続層が、スキン層である、例示的実施形態7〜12のいずれか1つに記載のポリマー多層フィルム。
14. ストランドのランダムなネットワーク及び連結領域を示す第2の層を更に含む、例示的実施形態7、12、又は13のいずれか1つに記載のポリマー多層フィルム。
15. ストランドのランダムなネットワーク及び連結領域を示す第2の層が、ストランドのランダムなネットワーク及び連結領域を含む第1の層とは異なる、ストランドのランダムなネットワーク及び連結領域を有する、例示的実施形態14に記載のポリマー多層フィルム。
16. ストランドのランダムなネットワーク及び連結領域を示す第1の層が、感圧接着剤を含まず、ストランドのランダムなネットワーク及び連結領域を示す第2の層が、感圧接着剤を含む、例示的実施形態15に記載のポリマー多層フィルム。
17. ストランドのランダムなネットワーク及び連結領域を示す第1の層が、第1の感圧接着剤を含み、ストランドのランダムなネットワーク及び連結領域を示す第2の層が、第2の異なる感圧接着剤を含む、例示的実施形態15に記載のポリマー多層フィルム。
18. 第1の感圧接着剤が、第2の感圧接着剤よりも高い粘着性を有する、例示的実施形態15に記載のポリマー多層フィルム。
19. 第1の連続層が、ストランドのランダムなネットワーク及び連結領域を示す第1の層と第2の層との間に配置されている、例示的実施形態14〜18のいずれか1つに記載のポリマー多層フィルム。
20. ポリマー多層フィルムが、第2の連続層を更に含み、ストランドのランダムなネットワーク及び連結領域を示す第1の層が、第1の連続層と第2の連続層との間に配置されている、例示的実施形態7〜18のいずれか1つに記載のポリマー多層フィルム。
21. ポリマー多層フィルムの第1の主表面又は第2の主表面のうちの少なくとも1つ(いくつかの実施形態では、第1の主表面及び第2の主表面の各々)には、ストランドのランダムなネットワーク及び連結領域を示す例示的実施形態1〜20のいずれか1つに記載のポリマー多層フィルム。
22. 1μm〜1000μmの範囲の厚さ(いくつかの実施形態では、25μm〜500μm、50μm〜250μm、又は更には2μm〜10μmの範囲の厚さ)を有する、例示的実施形態1〜21のいずれか1つに記載のポリマー多層フィルム。
23. 染料又は顔料のうちの少なくとも1つを更に含む(例えば、白色、黄色、緑色、青色、赤色、橙色、褐色、黒色などの色を付与している)、例示的実施形態1〜22のいずれか1つに記載のポリマー多層フィルム。
24. 少なくとも1つの帯電防止材料を更に含む、例示的実施形態1〜23のいずれか1つに記載のポリマー多層フィルム。
25. インク又は塗料受容材料のうちの少なくとも1つを更に含む、例示的実施形態1〜24のいずれか1つに記載のポリマー多層フィルム。
26. 金属(例えば、アルミニウム、青銅、ステンレス鋼、亜鉛、鉄、スズ、銀、金、及び/又はチタン)粒子を更に含む、例示的実施形態1〜25のいずれか1つに記載のポリマー多層フィルム。
27. 剥離剤を更に含む、例示的実施形態1〜26のいずれか1つに記載のポリマー多層フィルム。
28. 耐摩耗材料を更に含む、例示的実施形態1〜27のいずれか1つに記載のポリマー多層フィルム。
29. 滑剤又はブロッキング防止剤のうちの少なくとも1つを更に含む、例示的実施形態1〜28のいずれか1つに記載のポリマー多層フィルム。
30. ヒンダードアミン光安定剤(HALS)を更に含む、例示的実施形態1〜29のいずれか1つに記載のポリマー多層フィルム。
31. UV安定剤を更に含む、例示的実施形態1〜30のいずれか1つに記載のポリマー多層フィルム。
32. 親水性材料を更に含む、例示的実施形態1〜31のいずれか1つに記載のポリマー多層フィルム。
33. 縦方向及び横方向を有し、ポリマー多層フィルムが、横方向において弾性を有する、例示的実施形態1〜32のいずれか1つに記載のポリマー多層フィルム。
34. ポリマー多層フィルムの第1の主表面又は第2の主表面のいずれかに取り付けられた主表面を有するライナーを更に含む、例示的実施形態1〜33のいずれか1つに記載のポリマー多層フィルム。いくつかの実施形態では、ポリマー多層フィルムの各々の主表面は、それに取り付けられたライナーを有する。
35. ライナーが、ストランドのランダムなネットワーク及び連結領域を示すポリマー多層フィルムを含む、例示的実施形態32に記載のポリマー多層フィルム。
36. ライナーが、ストランドのランダムなネットワーク及び連結領域を示す主表面を有する、例示的実施形態34又は35のいずれか1つに記載のポリマー多層フィルム。
37. ライナーの主表面上に接着剤(例えば、感圧接着剤)層を有する、例示的実施形態34〜36のいずれか1つに記載のポリマー多層フィルム。ストランドのランダムなネットワーク及び連結領域を示す主表面を有するライナーでは、ライナーの主表面上の接着剤の主表面は、ライナーの主表面の裏返しにした表面を有する。
38. ライナーの主表面に取り付けられたポリマー多層フィルムの第1の主表面又は第2の主表面が、接着剤(例えば、感圧接着剤)表面である、例示的実施形態34〜36のいずれか1つに記載のポリマー多層フィルム。ストランドのランダムなネットワーク及び連結領域を示す主表面を有するライナーでは、ライナーに取り付けられたポリマー多層フィルムの主表面は、ライナーの主表面の裏返しにした表面を有する。
39. 例示的実施形態1〜35のいずれか1つに記載のポリマー多層フィルムを含む、グラフィック物品。
40. 例示的実施形態1〜38のいずれか1つに記載のポリマー多層フィルムを含む、テープ(例えば、ダクトテープ)。
7層のフィルムを製造するには、7層環状積層ダイ(Labtech Engineering(Samut Prakan,Thailand)から商品名「COEX7層」(LF−400型)で入手)を使用して、7枚の積層ダイプレートのみが存在することを除き、図3及び図3Aに示される装置を使用した。ダイへの空気流を手動で制御し、約2:1のブローアップ比とした。続いて、気泡を、ダイの上で約3メートル(10フィート)に押しつぶし、巻き取った。供給材料を送り込むには、約30:1の長さ対直径比を有する、7個の独立した直径20mmの押出機によった。
ポリマー多層フィルムを調製するには、第1、第2、第3、第4、及び第5の押出機に低密度ポリエチレンのみを入れたこと、第6の押出機に非晶質ポリ乳酸(NatureWorks LLC(Minnetonka,MN)から商品名「INGEO 4060 D」で入手)を入れたこと、及び第7の押出機に、同じ化学的発泡剤の、スチレンエチレンブチレンスチレン(SEBS)コポリマー(PolyOne(Avon Lake,OH)から商品名「KRATON G 1657」で入手)とのブレンドを入れたことを除いて、実施例1に記載のようにした。ストランドのランダムなネットワーク及び連結領域を示す得られたフィルムを、残りのポリ乳酸フィルム及びポリエチレンフィルムから分離した。得られたポリマー多層フィルムの画像を図5(ストランド503のランダムなネットワーク及び連結領域504を御覧のこと)及び図5Aに示す。
Claims (13)
- 残りのポリマー多層フィルムから分離可能である、ストランドのランダムなネットワーク及び連結領域を示す層を含む、ポリマー多層フィルム。
- ストランドのランダムなネットワーク及び連結領域を示す少なくとも1つの更なるポリマー層を更に含む、請求項1に記載のポリマー多層フィルム。
- ストランドのランダムなネットワーク及び連結領域を示す少なくとも1つのポリマー層が、少なくとも20%の開放気孔率を有する、請求項1又は2に記載のポリマー多層フィルム。
- 第1の連続層を更に含む、請求項1〜3のいずれか一項に記載のポリマー多層フィルム。
- 前記第1の連続層が感圧接着剤を含まず、ストランドのランダムなネットワーク及び連結領域を示す前記層が、感圧接着剤を含む、請求項4に記載のポリマー多層フィルム。
- 前記第1の連続層が第1の感圧接着剤を含み、ストランドのランダムなネットワーク及び連結領域を示す前記層が、第2の感圧接着剤を含む、請求項5に記載のポリマー多層フィルム。
- 前記第1の連続層が、スキン層である、請求項6に記載のポリマー多層フィルム。
- 前記ポリマー多層フィルムの前記第1の主表面又は前記第2の主表面のうちの少なくとも1つは、ストランドのランダムなネットワーク及び連結領域を示す、請求項1〜7のいずれか一項に記載のポリマー多層フィルム。
- 縦方向及び横方向を有し、前記ポリマー多層フィルムは、前記横方向において弾性を有する、請求項1〜8のいずれか一項に記載のポリマー多層フィルム。
- 前記ポリマー多層フィルムの前記第1の主表面又は前記第2の主表面のいずれかに取り付けられた主表面を有するライナーを更に含む、請求項1〜9のいずれか一項に記載のポリマー多層フィルム。
- 前記ライナーが、ストランドのランダムなネットワーク及び連結領域を示す主表面を有する、請求項10に記載のポリマー多層フィルム。
- 請求項1〜11のいずれか一項に記載のポリマー多層フィルムを含む、グラフィック物品。
- 請求項1〜11のいずれか一項に記載のポリマー多層フィルムを含む、テープ。
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CN110049871B (zh) | 2021-05-14 |
EP3551456A1 (en) | 2019-10-16 |
JP7228513B2 (ja) | 2023-02-24 |
WO2018106558A1 (en) | 2018-06-14 |
CN110049871A (zh) | 2019-07-23 |
US20190389173A1 (en) | 2019-12-26 |
US10953623B2 (en) | 2021-03-23 |
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