JP2015535870A - 超疎水性粉末コーティング - Google Patents
超疎水性粉末コーティング Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
Description
実施例1における前記乾燥樹脂粉末は、標準的な静電粉末コーティング処理で、前記基材に静電スプレーされている。次に、SHDE/乾燥樹脂前駆体粉末混合物が前記基材にスプレーされている。ひとたび両方の粉末層が前記基材に静電結合すると、前記層は既述のように同じやり方で一緒に硬化されている。この第2の方法は、良好な結合を前記基材に与え、総体的なコーティング耐久性を高め、その一方で、高品質な超疎水性表面と多少の摩擦抵抗を維持する。
伝導性下塗りコーティングを塗布する標準的な粉末コーティング技術の使用によって、紙、木、布、プラスチック等が粉末コーティングされ、それゆえに、そのような粉末コーティングの我々の拡張で超疎水性になり得る。
それに対して(重量で)3倍のデュポン社製のサーマルセット樹脂バルカンブラック(VB)と混ぜ合わされている。最初に、前記動力線がVBで静電スプレーされる。それから、3:1の体積比のVBとSHDEの混合物が前記動力線に静電スプレーされる。
Claims (33)
- 樹脂と、複数の超疎水性粒子とを含む超疎水性コーティングであって、
それぞれの前記超疎水性粒子は、複数の細孔を規定する三次元ナノ構造表面トポロジを有し、
前記樹脂によって囲まれるように、前記超疎水性粒子の少なくとも一部は前記樹脂内に埋め込まれ、
前記超疎水性粒子の前記三次元表面トポロジが維持されるように、前記樹脂が前記埋め込まれた超疎水性粒子の細孔を充填しないことを特徴とする超疎水性コーティング。 - 前記樹脂が疎水性であることを特徴とする請求項1に記載の超疎水性コーティング。
- 前記超疎水性粒子が疎水性コーティングを含有し、前記疎水性コーティングは、前記粒子の前記ナノ構造表面トポロジを維持するように、前記超疎水性粒子の表面に適応することを特徴とする請求項1に記載の超疎水性コーティング。
- 前記超疎水性粒子が珪藻土粒子を含有することを特徴とする請求項3に記載の超疎水性コーティング。
- 前記多孔質コアが親水性であることを特徴とする請求項1に記載の超疎水性コーティング。
- 前記多孔質コアがケイ酸塩であることを特徴とする請求項1に記載の超疎水性コーティング。
- 前記ケイ酸塩が前記ナノ構造表面トポロジを備えるようにエッチングされることを特徴とする請求項6に記載の超疎水性コーティング。
- 前記超疎水性粒子の前記細孔の容積は、50%未満が前記樹脂に充填されていることを特徴とする請求項1に記載の超疎水性コーティング。
- 前記超疎水性粒子の直径が1から20μmの間であることを特徴とする請求項1に記載の超疎水性コーティング。
- 前記超疎水性粒子の直径が10から20μmの間であることを特徴とする請求項1に記載の超疎水性コーティング。
- 超疎水性粒子の樹脂に対する比が、体積で1:1と1:10の間であることを特徴とする請求項1に記載の超疎水性コーティング。
- 超疎水性粒子の樹脂に対する比が、体積で1:1.5と1:5の間であることを特徴とする請求項1に記載の超疎水性コーティング。
- 超疎水性粒子の樹脂に対する比が、体積で1:4であることを特徴とする請求項1に記載の超疎水性コーティング。
- 超疎水性コーティング用の前駆体粉末であって、
細孔を備える三次元表面トポロジを有する、複数の超疎水性粒子と、
複数の樹脂粒子であって、前記樹脂は、硬化時に、前記樹脂内に前記超疎水性粒子を埋め込むことができるが、前記超疎水性粒子の細孔を完全には充填しない樹脂粒子と、
を含むことを特徴とする超疎水性コーティング用の前駆体粉末。 - 前記樹脂粒子が1から100μmの間であることを特徴とする請求項14に記載の超疎水性コーティング用の前駆体粉末。
- 前記樹脂粒子の直径が前記超疎水性粒子の前記細孔の寸法より大きく、しかし前記超疎水性粒子の直径の4倍以下であることを特徴とする請求項14に記載の超疎水性コーティング用の前駆体粉末。
- 前記樹脂粒子の直径が前記超疎水性粒子の前記細孔の平均寸法より大きく、しかし前記超疎水性粒子の直径の2倍以下であることを特徴とする請求項14に記載の超疎水性コーティング用の前駆体粉末。
- 超疎水性コーティングを表面に塗布する方法であって、
細孔を備える三次元表面トポロジを有する、複数の超疎水性粒子と、複数の樹脂粒子であって、前記樹脂は、硬化時に、前記樹脂内に前記超疎水性粒子を埋め込むことができるが、前記超疎水性粒子の細孔を充填しない樹脂粒子と、を含む超疎水性粉末を包含する超疎水性コーティング用の前駆体粉末を準備するステップと、
前記前駆体粉末を表面に塗布するステップと、
前記樹脂を前記表面に結合し、前記超疎水性粒子を前記樹脂に埋め込むために、前記樹脂を硬化するステップと、
を備えることを特徴とする超疎水性コーティングを表面に塗布する方法。 - 前記樹脂が疎水性であることを特徴とする請求項18に記載の方法。
- 前記超疎水性粒子が多孔質コア材料と疎水性コーティングを含有し、前記疎水性コーティングは、前記粒子の前記ナノ構造表面トポロジを維持するように、前記多孔質コア材料の表面に適応することを特徴とする請求項18に記載の方法。
- 前記多孔質コア材料が親水性であることを特徴とする請求項18に記載の方法。
- 前記多孔質コア材料がケイ酸塩を含有することを特徴とする請求項18に記載の方法。
- 前記ケイ酸塩が前記ナノ構造表面トポロジを備えるようにエッチングされることを特徴とする請求項22に記載の方法。
- 前記多孔質コア材料が珪藻土を含有することを特徴とする請求項18に記載の方法。
- 前記超疎水性粒子の前記細孔の容積は、50%未満が前記樹脂に充填されることを特徴とする請求項18に記載の方法。
- 前記超疎水性粒子の直径が1から20μmの間であることを特徴とする請求項18に記載の方法。
- 前記超疎水性粒子の直径が10から20μmの間であることを特徴とする請求項18に記載の方法。
- 超疎水性粒子の樹脂に対する比が、体積で1:1と1:4の間であることを特徴とする請求項18に記載の方法。
- 超疎水性粒子の樹脂に対する比が、体積で1:1.5と1:2.5の間であることを特徴とする請求項18に記載の方法。
- 超疎水性粒子の樹脂に対する比が、体積で1:2であることを特徴とする請求項18に記載の方法。
- 前記表面に前記前駆体粉末を塗布するより前に、樹脂粒子の層が前記表面に塗布されることを特徴とする請求項18に記載の方法。
- 前記前駆体粉末が静電スプレー処理によって前記表面に塗布されることを特徴とする請求項18に記載の方法。
- 樹脂と複数の超疎水性粒子を含有する超疎水性表面の再生方法であって、
それぞれの前記超疎水性粒子は、複数の細孔を規定する三次元ナノ構造表面トポロジを有し、
前記樹脂によって囲まれるように、前記超疎水性粒子の少なくとも一部は樹脂内に埋め込まれ、
前記超疎水性粒子の前記三次元ナノ構造表面トポロジが維持されるように、前記樹脂が前記埋め込まれた超疎水性粒子の細孔を充填せず、
前記埋め込まれた超疎水性粒子を露出させるために、前記超疎水性表面を研磨するステップを含むことを特徴とする超疎水性表面の再生方法。
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US13/631,212 | 2012-09-28 | ||
US13/631,212 US10150875B2 (en) | 2012-09-28 | 2012-09-28 | Superhydrophobic powder coatings |
PCT/US2013/052659 WO2014051851A2 (en) | 2012-09-28 | 2013-07-30 | Superhydrophobic powder coatings |
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JP2015535870A true JP2015535870A (ja) | 2015-12-17 |
JP6236454B2 JP6236454B2 (ja) | 2017-11-22 |
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US (1) | US10150875B2 (ja) |
EP (1) | EP2900767B1 (ja) |
JP (1) | JP6236454B2 (ja) |
KR (1) | KR20150063146A (ja) |
CN (1) | CN104822776B (ja) |
AU (1) | AU2013324204C1 (ja) |
CA (1) | CA2886175C (ja) |
DK (1) | DK2900767T3 (ja) |
HK (1) | HK1210490A1 (ja) |
WO (1) | WO2014051851A2 (ja) |
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CN104822776A (zh) | 2015-08-05 |
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WO2014051851A2 (en) | 2014-04-03 |
CA2886175A1 (en) | 2014-04-03 |
AU2013324204C1 (en) | 2017-06-22 |
EP2900767B1 (en) | 2021-12-01 |
EP2900767A2 (en) | 2015-08-05 |
HK1210490A1 (en) | 2016-04-22 |
AU2013324204B2 (en) | 2017-03-02 |
US20140094540A1 (en) | 2014-04-03 |
JP6236454B2 (ja) | 2017-11-22 |
CN104822776B (zh) | 2018-05-01 |
CA2886175C (en) | 2020-12-22 |
US10150875B2 (en) | 2018-12-11 |
DK2900767T3 (da) | 2022-01-10 |
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