JP6422093B1 - フレキシブルプラスチックフィルム - Google Patents
フレキシブルプラスチックフィルム Download PDFInfo
- Publication number
- JP6422093B1 JP6422093B1 JP2018502138A JP2018502138A JP6422093B1 JP 6422093 B1 JP6422093 B1 JP 6422093B1 JP 2018502138 A JP2018502138 A JP 2018502138A JP 2018502138 A JP2018502138 A JP 2018502138A JP 6422093 B1 JP6422093 B1 JP 6422093B1
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- Japan
- Prior art keywords
- film
- flexible plastic
- plastic film
- inorganic fine
- coating layer
- Prior art date
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- C—CHEMISTRY; METALLURGY
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- C08J5/18—Manufacture of films or sheets
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Abstract
Description
支持基材;および前記支持基材の少なくとも一面に形成される紫外線硬化型コーティング層を含むフィルムであって、
750gの荷重で6H以上の鉛筆硬度を示し、
前記フィルムの中間に4mmの間隔をおいてフィルムの両側を底面に対して90度に折り畳んだ状態で常温で放置した後、平らな底面に広げた時、フィルムが底面から持ち上げられた高さが0.5mm以下である、フレキシブル(flexible)プラスチックフィルムを提供する。
3官能のアクリレート系バインダーのトリメチロールプロパントリアクリレート(TMPTA)(製造会社:Cytec、Mw=296g/mol、アクリレート基当量=99g/mol)30g、9官能のウレタンアクリレート系バインダーのMU9800(製造会社:MIWON、Mw=3500g/mol、アクリレート基当量=389g/mol)40g、10官能のウレタンアクリレート系バインダーのMU9020(製造会社:MIWON、Mw=4500g/mol、アクリレート基当量=450g/mol)30g、光開始剤Irgacure184(製造会社:Ciba)1g、メチルエチルケトン(MEK)15gを混合して、アクリレート溶液を製造した。
実施例1において、S2分散溶液を83.3gとし、別途のメチルエチルケトン溶媒を含まないことを除けば、実施例1と同様の方法でコーティング層を形成した。
実施例1において、メチルエチルケトンを25gとし、S2分散溶液50gの代わりに、シリカ粒子S3(d10=108nm、d50=119nm、d90=131nmであり、アクリレートシランカップリング剤で表面改質される)がMEKに40重量%分散している溶液(以下、S3分散溶液)37.5gを混合して、コーティング組成物を製造した。
TMPTA(製造会社:Cytec、Mw=296g/mol、アクリレート基当量=99g/mol)20g、MU9800(製造会社:MIWON、Mw=3500g/mol、アクリレート基当量=389g/mol)40g、MU9020(製造会社:MIWON、Mw=4500g/mol、アクリレート基当量=450g/mol)40g、光開始剤Irgacure184(製造会社:Ciba)1g、メチルエチルケトン(MEK)12gを混合して、アクリレート溶液を製造した。
ASTM D882により測定した弾性モジュラス値が4.2GPaのポリイミド基材(大きさ:20cmx30cm、厚さ:35μm)を用いたことを除けば、残りの工程は実施例1と同様にしてコーティング層を形成した。
ASTM D882により測定した弾性モジュラス値が7.6GPaのポリイミド基材(大きさ:20cmx30cm、厚さ:35μm)を用いたことを除けば、残りの工程は実施例1と同様にしてコーティング層を形成した。
TMPTA(製造会社:Cytec、Mw=296g/mol、アクリレート基当量=99g/mol)30g、MU9020(製造会社:MIWON、Mw=4500g/mol、アクリレート基当量=450g/mol)30g、15官能のウレタンアクリレート系バインダーのSC2152(製造会社:MIWON、Mw=20,000g/mol、アクリレート基当量=1,333g/mol)40g、光開始剤Irgacure184(製造会社:Ciba)1g、メチルエチルケトン(MEK)42gを混合して、アクリレート溶液を製造した。
AZO粒子分散液CX−610M(製造会社:Nissan、固形分60%)20g、ジペンタエリスリトールペンタクリレート(DPHA)10g、光開始剤Irgacure184(製造会社:Ciba)0.5g、エタノール100gを混合して、帯電防止層組成物を製造した。
まず、実施例1と同様の過程でポリイミド基材の両面にコーティング層を形成した。
実施例1において、メチルエチルケトンを55gとし、コーティング組成物にシリカ粒子を含まないことを除けば、実施例1と同様にしてコーティング層を形成した。
実施例1において、メチルエチルケトンを12gとし、シリカ粒子S4(d10=12nm、d50=17nm、d90=21nmであり、アクリレートシランカップリング剤で表面改質される)がMEKに40重量%分散している溶液(以下、S4分散溶液)のみを112.5g用いたことを除けば、実施例1と同様にしてコーティング層を形成した。
実施例1において、メチルエチルケトンを35gとし、S1分散溶液のみを110g含むことを除けば、実施例1と同様にしてコーティング層を形成した。
実施例1において、S3分散溶液を125g、S4分散溶液を25g用い、別途のメチルエチルケトン溶媒を含まないことを除けば、実施例1と同様の方法でコーティング層を形成した。
ASTM D882により測定した弾性モジュラス値が3.1GPaのポリイミド基材(大きさ:20cmx30cm、厚さ:35μm)を用いたことを除けば、残りの工程は実施例1と同様にしてコーティング層を形成した。
ASTM D882により測定した弾性モジュラス値が4.2GPaのポリエチレンテレフタレート基材(大きさ:20cmx30cm、厚さ:250μm)を用いたことを除けば、残りの工程は実施例1と同様にしてコーティング層を形成した。
比較例3において、MU9800とMU9020を用いず、6官能のポリエステルアクリレート系バインダーのPS610(製造会社:MIWON、Mw=5,400g/mol、アクリレート基当量=900g/mol)70gを用いたことを除けば、残りの工程は比較例3と同様にしてコーティング層を形成した。
鉛筆硬度測定器を用いて、測定標準JIS K5400−5−4により750gの荷重、45度の角度で3回往復した後、キズのない最大硬度を確認した。
分光光度計(機器名:COH−400)を用いて、透過率およびヘイズを測定した。
測定標準JIS K5600−5−1の方法により各フィルムを多様な直径の円筒形マンドレルに挟んで巻いた後、長さ3mm以上のクラックが発生しない最小直径を測定した。
図1は、本発明の一実施例によるフィルムに対して、曲げ安定性テストを実施する方法を概略的に示す図である。
Claims (13)
- 支持基材;
および前記支持基材の少なくとも一面に形成される紫外線硬化型コーティング層を含むフィルムであって、
750gの荷重で6H以上の鉛筆硬度を示し、
前記フィルムの中間に4mmの間隔をおいてフィルムの両側を底面に対して90度に折り畳んだ状態で常温で放置した後、平らな底面に広げた時、フィルムが底面から持ち上げられた高さが0.5mm以下であり、
前記折り畳んだ屈曲部の形状は円筒型であって、
前記支持基材は、
ASTM D882により測定した時、4〜9GPaの弾性モジュラスを有する、
フレキシブル(flexible)プラスチックフィルム。 - 支持基材;
および前記支持基材の少なくとも一面に形成される紫外線硬化型コーティング層を含むフィルムであって、
750gの荷重で6H以上の鉛筆硬度を示し、
前記フィルムの中間に4mmの間隔をおいてフィルムの両側を底面に対して90度に折り畳んだ状態で常温で放置した後、平らな底面に広げた時、フィルムが底面から持ち上げられた高さが0.5mm以下であり、
前記折り畳んだ屈曲部の形状は円筒型であって、
前記紫外線硬化型コーティング層の上面または下面に帯電防止層または低屈折率層をさらに含む、
フレキシブルプラスチックフィルム。 - 前記支持基材は、
ASTM D882により測定した時、4〜9GPaの弾性モジュラスを有する、
請求項2に記載のフレキシブルプラスチックフィルム。 - 支持基材;
および前記支持基材の少なくとも一面に形成される紫外線硬化型コーティング層を含むフィルムであって、
750gの荷重で6H以上の鉛筆硬度を示し、
前記フィルムの中間に4mmの間隔をおいてフィルムの両側を底面に対して90度に折り畳んだ状態で常温で放置した後、平らな底面に広げた時、フィルムが底面から持ち上げられた高さが0.5mm以下であり、
前記折り畳んだ屈曲部の形状は円筒型であって、
前記紫外線硬化型コーティング層は、
3〜6官能性アクリレート系バインダーと7〜20官能性ウレタンアクリレート系バインダーとの架橋共重合体;
並びにd50が20〜35nmの第1無機微粒子群および
d50が40〜130nmの第2無機微粒子群を含むことで
バイモーダル(bi−modal)粒子分布を有する
無機微粒子を含む、
フレキシブルプラスチックフィルム。 - 前記3〜6官能性アクリレート系バインダーおよび
7〜20官能性ウレタンアクリレート系バインダーの重量比は、
1:9〜4:6である、
請求項4に記載のフレキシブルプラスチックフィルム。 - 前記紫外線硬化型コーティング層100重量部に対して、
前記3〜6官能性アクリレート系バインダーを10〜50重量部、
前記7〜20官能性ウレタンアクリレート系バインダーを40〜70重量部、
前記第1無機微粒子群を5〜50重量部、
前記第2無機微粒子群を5〜50重量部含む、
請求項4又は5に記載のフレキシブルプラスチックフィルム。 - 前記第1無機微粒子群および第2無機微粒子群は、
それぞれ独立に、同一または異なって、
(メタ)アクリルシラン((meth)acrylsilane)、メタクロキシシラン(methacroxysilane)、ビニルシラン(vinylsilane)、エポキシシラン(epoxysilane)、およびメルカプトシラン(mercaptosilane)からなる群より選択されるいずれか1つ以上のシランカップリング剤で表面が改質処理されたものである、
請求項4から6のいずれか1項に記載のフレキシブルプラスチックフィルム。 - 前記第1無機微粒子群のd10は、10〜19nmであり、
d90は、25〜40nmであり、
前記第2無機微粒子群のd10は、25〜110nmであり、
d90は、60〜150nmである、
請求項4から7のいずれか1項に記載のフレキシブルプラスチックフィルム。 - 前記第1無機微粒子群および第2無機微粒子群の重量比は、
9:1〜3:7である、
請求項4から8のいずれか1項に記載のフレキシブルプラスチックフィルム。 - 前記支持基材の厚さは、
20〜200μmである、
請求項1から9のいずれか1項に記載のフレキシブルプラスチックフィルム。 - 前記紫外線硬化型コーティング層の厚さは、
3〜20μmである、
請求項1から10のいずれか1項に記載のフレキシブルプラスチックフィルム。 - 前記支持基材は、
ポリイミド(polyimide、PI)、ポリイミドアミド(polyimideamide)、ポリエーテルイミド(polyetherimide、PEI)、ポリエチレンテレフタレート(polyethyleneterephtalate、PET)、ポリエチレンナフタレート(polyethylenenaphthalate、PEN)、ポリエーテルエーテルケトン(polyetheretherketon、PEEK)、サイクリックオレフィン重合体(cyclic olefin polymer、COP)、ポリアクリレート(polyacrylate、PAC)、ポリメチルメタクリレート(polymethylmethacrylate、PMMA)、およびトリアセチルセルロース(triacetylcellulose、TAC)からなる群より選択される1種以上である、
請求項1から11のいずれか1項に記載のフレキシブルプラスチックフィルム。 - 直径4mmのマンドレル(mandrel)に巻いた時、
クラック(crack)が発生しない、
請求項1から12のいずれか1項に記載のフレキシブルプラスチックフィルム。
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US10233355B2 (en) | 2019-03-19 |
CN107849388A (zh) | 2018-03-27 |
JP2020114673A (ja) | 2020-07-30 |
US20190153260A1 (en) | 2019-05-23 |
KR101862252B1 (ko) | 2018-05-29 |
CN107849388B (zh) | 2019-06-18 |
KR101862252B9 (ko) | 2018-05-29 |
EP3309229B1 (en) | 2020-12-09 |
US11168191B2 (en) | 2021-11-09 |
US20180194963A1 (en) | 2018-07-12 |
CN110066412A (zh) | 2019-07-30 |
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