JP2014522314A - パターン化されたコーティングを製造するための方法 - Google Patents
パターン化されたコーティングを製造するための方法 Download PDFInfo
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- JP2014522314A JP2014522314A JP2014514633A JP2014514633A JP2014522314A JP 2014522314 A JP2014522314 A JP 2014522314A JP 2014514633 A JP2014514633 A JP 2014514633A JP 2014514633 A JP2014514633 A JP 2014514633A JP 2014522314 A JP2014522314 A JP 2014522314A
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- Non-Insulated Conductors (AREA)
- Manufacturing Of Electric Cables (AREA)
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Abstract
Description
本出願は、2011年6月10日に出願された米国特許仮出願第61/495,582号の優先権を主張するものであり、該仮出願の内容は、参照によりその全体が本明細書に組み入れられる。
本発明は、基材上での、パターン化されたコーティングの形成に関する。
透明な導電性コーティングは、様々な電子デバイスにおいて有用である。例えば、これらのコーティングは、静電気散逸、電磁干渉(EMI)遮蔽、透明導電層などを必要とする用途において有用である。用途の具体例としては、光学ディスプレイ、タッチスクリーンディスプレイ、ワイヤレス電子ボード、光起電装置、導電性の織物および繊維、ヒーター、有機発光ダイオード(OLED)、エレクトロルミネッセンスディスプレイ、ならびに電気泳動ディスプレイ(例えば、e-ペーパー)が挙げられる。
本発明は、先行技術のエマルションベースの自己集合性ナノ粒子コーティングにおける多くの利点を利用するが、ナノ粒子の集合を、制御されたセルのサイズおよび形状を有するコーティングへと導く、さらなる利点も提供する。
パターン化されていない基材の表面上にパターン化されたコーティングを形成する方法は、該基材の表面にコーティング組成物を適用する工程を含む。該コーティング組成物は、 (発明の概要において定義されるような)不揮発性成分および液体キャリアを含む。該液体キャリアは、連続相と該連続相中に分散したドメインとを有するエマルションの形態である。
金属ナノ粒子を含む油中水型エマルションは、米国特許第7,601,406号に記載された方法に従って、以下の成分を混合することによって調製した。ドデシル硫酸ナトリウム水溶液を除く全ての成分を、超音波処理を用いて予め混合し、次いで、ドデシル硫酸ナトリウム水溶液を加えて、再び超音波処理した。
厚さ4ミルのPETフィルム基材(Lumirror U46、東レ株式会社、日本)に、アセトン溶液中0.28重量%のポリ[ジメチルシロキサン-コ-[3-(2-(2-ヒドロキシエトキシ)エトキシ)プロピル]メチルシロキサン](Aldrich、Cat.No.480320)と0.6重量%のSynperonic NP(Fluka、Cat.No.86209)とで構成されるプライマーを塗布した。該プライマーを、およそ13ミクロンの湿潤厚さを有するように、マイヤーロッドによって塗布した後、風乾した。次いで、該プライマーを塗布したフィルムに、以下の配合組成を有する油中水型エマルションを塗布した。
図7(a):1.5mm
図7(b):1.0mm
図7(c):0.75mm
図7(d):1.5mm
図7(e):3.0mm。
図7(f):線幅=250μm
線の間の間隔=1000μm
中心間の間隔=1250μm
図7(g):線幅=500μm
線の間の間隔=500μm
中心間の間隔=100μm
図7(h):線幅=1000μm
線の間の間隔=500μm
中心間の間隔=1500μm
図7(i):線幅=1000μm
線の間の間隔=1000μm
中心間の間隔=2000μm。
厚さ4ミルのPETフィルム基材(Lumirror U46、東レ株式会社、日本)に、アセトン溶液中0.28質量%のポリ[ジメチルシロキサン-コ-[3-(2-(2-ヒドロキシエトキシ)エトキシ)プロピル]メチルシロキサン](Aldrich Cat.No.480320)と0.6質量%のSynperonic NP(Fluka Cat.No.86209)とで構成されるプライマーを塗布した。該プライマーを、およそ13ミクロンの湿潤厚さを有するように、マイヤーロッドによって13ミクロンに塗布した後、風乾した。次いで、該プライマーを塗布したフィルムに、油中水型エマルションを塗布した。該エマルションは、以下の配合組成を有した。
実施例3で形成された配列と同じ、規則的な四角形の配列を、以下のように調製した。
Claims (16)
- 以下の工程を含む、物品を製造する方法:
(a)揮発性液体キャリア中に不揮発性成分を含む組成物を提供する工程であって、該液体キャリアが、連続相と、該連続相中に分散したドメインの形態である第二の相とを含むエマルションの形態である、工程;
(b)該組成物をパターン化されていない基材の表面上に塗布し、該液体キャリアを除去するために該組成物を乾燥させると共に、塗布および/または乾燥中に外力を適用して、該基材の選択された領域において、該連続相と比べて、該分散したドメインの選択的成長を生じさせる工程であって、その際に、該不揮発性成分が自己集合して、該基材の表面上に、該外力の構成によって決まる、規則的な間隔を有するセルを画定するトレースを含むパターンの形態のコーティングを形成する、工程。 - 不揮発性成分がナノ粒子を含む、請求項1記載の方法。
- ナノ粒子が金属ナノ粒子を含む、請求項2記載の方法。
- 外力の構成が、個々のフィーチャの間の中心間の間隔が10μm〜10mmの範囲であるのを特徴とする複数のフィーチャを含む、請求項1記載の方法。
- 個々のフィーチャの間の中心間の間隔が30μm〜3mmの範囲である、請求項4記載の方法。
- 個々のフィーチャの間の中心間の間隔が50μm〜3mmの範囲である、請求項4記載の方法。
- 外力を適用する工程が、マイヤーロッド(Mayer rod)を使用して基材の表面上に組成物を塗布する工程を含む、請求項1記載の方法。
- 外力を適用する工程が、グラビアシリンダを使用して基材の表面上に組成物を塗布する工程を含む、請求項1記載の方法。
- 外力を適用する工程が、乾燥中に基材の表面上の前記組成物を覆うようにリソグラフィマスクを配置する工程を含む、請求項1記載の方法。
- トレースが中実のトレースであり、かつセルが間隙の形態である、請求項1記載の方法。
- トレースが間隙の形態であり、かつセルが中が詰まっている、請求項1記載の方法。
- 連続相中に分散したドメインが、水性ドメインを含み、かつ該連続相が、該水性ドメインよりも急速に蒸発する有機溶媒を含む、請求項1記載の方法。
- 基材が、塗布する工程の前は、可視光に対して透明であり、塗布する工程の後に形成される物品が、可視光に対して透明で、かつ電気伝導性である、請求項1記載の方法。
- 請求項1記載の方法に従って調製された物品。
- 以下の工程を含む、物品を製造する方法:
(a)自身の表面上にプライマー層を備える基材を提供する工程;
(b)該プライマー層を処理して、パターン化されたプライマー層を形成する工程;
(c)揮発性液体キャリア中に不揮発性成分を含む組成物を、該パターン化されたプライマー層に塗布する工程であって、該液体キャリアが、連続相と、該連続相中に分散したドメインの形態である第二の相とを含むエマルションの形態である、工程;および
(d)該液体キャリアを除去するために該組成物を乾燥させる工程であって、その際に、該不揮発性成分が自己集合して、該基材の表面上に、該パターン化されたプライマー層によって決まる、規則的な間隔を有するセルを画定するトレースを含むパターンの形態のコーティングを形成する、工程。 - 請求項15記載の方法に従って調製された物品。
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JP6189833B2 (ja) | 2017-08-30 |
US20140255661A1 (en) | 2014-09-11 |
WO2012170684A1 (en) | 2012-12-13 |
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