JP6141851B2 - テクスチャー化フィルム及び製造プロセス - Google Patents
テクスチャー化フィルム及び製造プロセス Download PDFInfo
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Description
本願は、本願に参考として組み込まれている、2010年3月26日に出願された「非平滑化フィルムとその製造プロセス」という名称の米国特許出願第61/317945号(代理人整理番号66150US002号)に関する。
本開示は、一般に、テクスチャー化フィルムとその製造プロセス、より詳細には、ポリマーフィルムの表面質感がパターンコーティングの組み込みによって制御されるプロセスに関する。
WB−50は以下のように調製された(Aldrich Chemical(Milwaukee,WI)から入手可能)。1ガロン(3.79リットル)の重合ケトルに、111.9g(5.5mol%)の5−ソジオスルホイソフタル酸、592.1g(47.0mol%)のテレフタル酸、598.4g(47.5mol%)のイソフタル酸、705.8gのエチレングリコール、599gのネオペンチルグリコール、0.7gの酸化アンチモン、及び2.5gの酢酸ナトリウムを入れた。混合物を撹拌しながら、窒素下345kPa(50psi)で230℃まで2時間加熱し、その間に水の発生が観察された。温度を250℃まで上昇させ、その後圧力を減少し、真空(0.2torr)に引き、温度を270℃まで上昇させた。材料の粘度は45分の間に上昇し、その後、高分子量の、透明で、粘稠なスルホポリエステルが排出された。このスルホポリエステルは、DSCによって、70.3℃のTgを有することが見出された。理論的なスルホネートの当量は、スルホネート1モル当たりポリマー3847gであった。500gのポリマーを、2000gの水と450gのイソプロパノールとの混合物に、80℃で溶解した。続いて、イソプロパノール(及び水の一部)を除去するために温度を95℃に上昇させた。最終的な分散体は、WB−50の20重量/重量%固体分散水溶液で構成された。
以下の実施例について、下記のプレミックス希釈を行った。Tomadol 25−9(受け取られた状態で100%固体)が水中で10重量/重量%まで希釈された。Cycat 4045(固体35%)が水中で10重量/重量%まで希釈された。
ビーズ状ディフューザコーティング組成物「A」が次のようにして調製された。1.7グラムのCM327を磁気撹拌付き混合容器に入れ、それに34グラムのWB50を添加した。これを約30分間撹拌し、その後、次の物:1.5グラムのTomadol 25−9プレミックス、0.313グラムのCycat 4045プレミックス、9.4グラムの乾燥MX−300ビーズ、及び3.1グラムの1100Dエマルション、を続けて添加した。混合物が更に10分間撹拌され、その後、およそ20分間超音波撹拌された。
実施例2は、PETgのスキン層が約2ミクロンの厚さであることを除き、実施例1で説明されているMOFキャストウェブ基材を使用した。この基材は、基材上で#6巻線ロッドを使用して、ビーズ状ディフューザコーティング組成物「A」を手でコーティングされた。コーティングされた基材は、66℃(150°F)で5分間乾燥された。その後、ウェブをバッチフィルム伸張器具のオーブンに入れた。ウェブを115℃のオーブン温度で加熱し、(非伸張方向に制限して、従来のフィルムテンターで伸張をシミュレートしながら)毎秒50%の延伸速度で延伸した。機械は、公称横延伸比5.1:1を生じるように設定された。テクスチャー化フィルムのコーティングの結果、高濃度のアクリルビーズを有する突出領域と、低濃度のアクリルビーズを有する突出領域間に薄い領域を有するポリマー層と、が形成された。実施例2のテクスチャー化フィルムを上部から見た写真を図5に示す。
破断可能コーティング組成物「B」は、次のようにして調製された。2.5グラムのCM323を磁気撹拌付き混合容器に入れ、それに15.5グラムのPC23を添加した。これを約30分間撹拌し、その後、次の物:29.1グラムの水、0.39グラムのCycat 4045プレミックス、2.5グラムの乾燥MX−300ビーズを続けて添加した。この混合物が更に10分間撹拌され、その後、約20分間超音波撹拌された。
項目1は、第1主表面を有する歪み硬化したポリマーフィルムと、第1主表面に配置される第1ポリマー層と、第1ポリマー層に配置される第2ポリマー層と、を含むテクスチャー化フィルムであって、第2ポリマー層が、複数の突出領域を含み、突出領域のそれぞれが、突出領域に隣接するコーティング厚さより大きい突出厚さを有し、突出領域のそれぞれに接着された第1ポリマー層の第1厚さの一部が、少なくとも1つの隣接する突出領域間の第1ポリマー層の第2厚さより大きいことを特徴とする、テクスチャー化フィルムである。
Claims (2)
- 第1主表面を有する歪み硬化したポリマーフィルムと、
前記第1主表面に配置される第1ポリマー層と、
前記第1ポリマー層に配置される第2ポリマー層と、
を含むテクスチャー化フィルムであって、
前記第2ポリマー層が連続コーティングを含み、前記第2ポリマー層が複数の突出領域を含んで、前記突出領域のそれぞれが前記突出領域に隣接するコーティング厚さより大きい突出厚さを有し、
前記突出領域のそれぞれに接着された前記第1ポリマー層の第1厚さの一部が、少なくとも1つの隣接する突出領域間の前記第1ポリマー層の第2厚さより大きい、
テクスチャー化フィルム。 - ポリマーフィルムと前記ポリマーフィルムの第1主表面に配置された第1ポリマー層とを含む多層フィルムを提供する工程と、
前記第1ポリマー層に、前記ポリマーフィルムに対向する、不均一な厚さを有する第2ポリマー層を配置する工程と、
前記多層フィルムを伸張して、それぞれ前記第1ポリマー層に接着された複数の突出領域を形成する工程と、
を含む、フィルムをテクスチャー化する方法であって、
前記突出領域のそれぞれに接着された前記第1ポリマー層の第1厚さの一部が、少なくとも1つの隣接する突出領域間の前記第1ポリマー層の第2厚さより大きい、
フィルムのテクスチャー化方法。
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PCT/US2012/055047 WO2013043447A1 (en) | 2011-09-20 | 2012-09-13 | Textured film and process for manufacture |
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KR20220004152A (ko) | 2019-05-06 | 2022-01-11 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 전기 전도성 요소를 포함하는 패턴화된 물품 |
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US10655120B2 (en) | 2011-03-21 | 2020-05-19 | The University Of Newcastle Upon Tyne | Transport of cells in hydrogels |
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CN103796824A (zh) | 2014-05-14 |
US9895837B2 (en) | 2018-02-20 |
TW201317124A (zh) | 2013-05-01 |
KR101983417B1 (ko) | 2019-05-28 |
KR20140063826A (ko) | 2014-05-27 |
WO2013043447A1 (en) | 2013-03-28 |
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