JP2010043365A5 - - Google Patents

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JP2010043365A5
JP2010043365A5 JP2008206890A JP2008206890A JP2010043365A5 JP 2010043365 A5 JP2010043365 A5 JP 2010043365A5 JP 2008206890 A JP2008206890 A JP 2008206890A JP 2008206890 A JP2008206890 A JP 2008206890A JP 2010043365 A5 JP2010043365 A5 JP 2010043365A5
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superhydrophobic
producing
carbon atoms
coupling agent
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JP2008206890A
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JP2010043365A (en
JP4503086B2 (en
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Priority claimed from JP2008206890A external-priority patent/JP4503086B2/en
Priority to JP2008206890A priority Critical patent/JP4503086B2/en
Priority to KR1020107025786A priority patent/KR20110003535A/en
Priority to US13/058,391 priority patent/US20110195181A1/en
Priority to EP09806639A priority patent/EP2317006A4/en
Priority to PCT/JP2009/063327 priority patent/WO2010018744A1/en
Priority to CN2009801313903A priority patent/CN102119245A/en
Publication of JP2010043365A publication Critical patent/JP2010043365A/en
Publication of JP2010043365A5 publication Critical patent/JP2010043365A5/ja
Publication of JP4503086B2 publication Critical patent/JP4503086B2/en
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直鎖状ポリエチレンイミン骨格（ａ）を有するポリマー（Ａ）のフィラメントがシリカ（Ｂ）で被覆されてなる有機無機複合ナノファイバー（Ｉ）の会合体からなる粉末を溶剤中に分散し、該分散液に疎水性基（Ｘ）を有するシランカップリング剤（ｘ）を混合する工程と、乾燥する工程とを有することを特徴とする超疎水性粉体の製造方法。 A powder composed of an association of an organic-inorganic composite nanofiber (I) in which a filament of a polymer (A) having a linear polyethyleneimine skeleton (a) is coated with silica (B) is dispersed in a solvent. A method for producing a superhydrophobic powder , comprising: a step of mixing a silane coupling agent (x) having a hydrophobic group (X) in a liquid; and a step of drying . （１）直鎖状ポリエチレンイミン骨格（ａ）を有するポリマー（Ａ）のフィラメントがシリカ（Ｂ）で被覆されてなる有機無機複合ナノファイバー（Ｉ）の会合体を焼成する工程と、
（２）（１）で得られたシリカ（Ｂ）を主構成成分とするナノファイバー（ＩＩ）の会合体からなる粉末を溶剤中に分散し、該分散液に疎水性基（Ｘ）を有するシランカップリング剤（ｘ）を混合する工程と、乾燥する工程と、
を有することを特徴とする超疎水性粉体の製造方法。 (1) firing an aggregate of organic-inorganic composite nanofibers (I) in which a filament of a polymer (A) having a linear polyethyleneimine skeleton (a) is coated with silica (B);
(2) A powder composed of an aggregate of nanofibers (II) containing silica (B) obtained in (1) as a main constituent is dispersed in a solvent, and the dispersion has a hydrophobic group (X). A step of mixing the silane coupling agent (x), a step of drying,
A process for producing a superhydrophobic powder characterized by comprising: 疎水性基（Ｘ）を有するシランカップリング剤（ｘ）と共に、反応性官能基（Ｙ）を有するシランカップリング剤（ｙ）を併用する請求項１又は２記載の超疎水性粉体の製造方法。 The superhydrophobic powder production according to claim 1 or 2, wherein the silane coupling agent (y) having a reactive functional group (Y) is used in combination with the silane coupling agent (x) having a hydrophobic group (X). Method. 前記疎水性基（Ｘ）を有するシランカップリング剤（ｘ）と前記反応性官能基（Ｙ）を有するシランカップリング剤（ｙ）との使用割合が、（ｘ）／（ｘ＋ｙ）で表されるモル比として０．２〜１の範囲である請求項３記載の超疎水性粉体の製造方法。The use ratio of the silane coupling agent (x) having the hydrophobic group (X) and the silane coupling agent (y) having the reactive functional group (Y) is represented by (x) / (x + y). The method for producing a superhydrophobic powder according to claim 3, wherein the molar ratio is in the range of 0.2 to 1. 前記疎水性基（Ｘ）が、炭素数１〜２２のアルキル基、炭素数１〜２２のフッ素化アルキル基、炭素数１〜２２の部分フッ素化アルキル基、又は置換基を有していても良い芳香族基（但し、置換基は炭素数１〜２２のアルキル基、炭素数１〜２２のフッ素化アルキル基、又は炭素数１〜２２の部分フッ素化アルキル基である。）である請求項１〜４の何れか１項記載の超疎水性粉体の製造方法。The hydrophobic group (X) may have an alkyl group having 1 to 22 carbon atoms, a fluorinated alkyl group having 1 to 22 carbon atoms, a partially fluorinated alkyl group having 1 to 22 carbon atoms, or a substituent. A good aromatic group (wherein the substituent is an alkyl group having 1 to 22 carbon atoms, a fluorinated alkyl group having 1 to 22 carbon atoms, or a partially fluorinated alkyl group having 1 to 22 carbon atoms). The manufacturing method of the super-hydrophobic powder in any one of 1-4. 前記反応性官能基（Ｙ）が、（メタ）アクリロイル基、グリシジル基、アミノ基、ヒドロキシ基、又はメルカプト基である請求項１〜５の何れか１項記載の超疎水性粉体の製造方法。The method for producing a superhydrophobic powder according to any one of claims 1 to 5, wherein the reactive functional group (Y) is a (meth) acryloyl group, a glycidyl group, an amino group, a hydroxy group, or a mercapto group. . 前記有機無機複合ナノファイバー（Ｉ）の太さが１０〜１００ｎｍ、アスペクト比が１０以上であり、且つ該有機無機複合ナノファイバー（Ｉ）の会合体の大きさが２〜１００μｍの範囲である請求項１〜６の何れか１項記載の超疎水性粉体の製造方法。 The thickness of the organic-inorganic composite nanofiber (I) is 10 to 100 nm, the aspect ratio is 10 or more, and the size of the aggregate of the organic-inorganic composite nanofiber (I) is in the range of 2 to 100 μm. Item 7. A method for producing a superhydrophobic powder according to any one of Items 1 to 6. 前記ナノファイバー（ＩＩ）の太さが１０〜１００ｎｍ、アスペクト比が１０以上であり、且つ該ナノファイバー（ＩＩ）の会合体の大きさが２〜１００μｍの範囲である請求項２〜６の何れか１項記載の超疎水性粉体の製造方法。 Any wherein the thickness of the nanofiber (II) is 10 to 100 nm, and an aspect ratio of 10 or more and the size of the aggregates of the nanofibers (II) is according to claim 2-6 in the range of 2~100μm A method for producing the superhydrophobic powder according to claim 1. 請求項１〜８の何れか１項記載の製造方法で得られることを特徴とする超疎水性粉体。A superhydrophobic powder obtained by the production method according to claim 1. 請求項９記載の超疎水性粉体が固体基材に固定されてなることを特徴とする超疎水性表面を有する構造体。 A structure having a superhydrophobic surface, wherein the superhydrophobic powder according to claim 9 is fixed to a solid substrate. 請求項９記載の超疎水性粉体をポリマー溶液又はシリカゾル中に分散し、該分散液を塗布し乾燥することを特徴とする超疎水性表面を有する構造体の製造方法。 A method for producing a structure having a superhydrophobic surface, wherein the superhydrophobic powder according to claim 9 is dispersed in a polymer solution or silica sol, and the dispersion is applied and dried.
JP2008206890A 2008-08-11 2008-08-11 Superhydrophobic powder, structure having superhydrophobic surface using the same, and production method thereof Expired - Fee Related JP4503086B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2008206890A JP4503086B2 (en) 2008-08-11 2008-08-11 Superhydrophobic powder, structure having superhydrophobic surface using the same, and production method thereof
PCT/JP2009/063327 WO2010018744A1 (en) 2008-08-11 2009-07-27 Ultrahydrophobic powder, structure with ultrahydrophobic surface, and processes for producing these
US13/058,391 US20110195181A1 (en) 2008-08-11 2009-07-27 Superhydrophobic powders, structure with superhydrophobic surface, and processes for producing these
EP09806639A EP2317006A4 (en) 2008-08-11 2009-07-27 Ultrahydrophobic powder, structure with ultrahydrophobic surface, and processes for producing these
KR1020107025786A KR20110003535A (en) 2008-08-11 2009-07-27 Ultrahydrophobic powder, structure with ultrahydrophobic surface, and processes for producing these
CN2009801313903A CN102119245A (en) 2008-08-11 2009-07-27 Ultrahydrophobic powder, structure with ultrahydrophobic surface, and processes for producing these

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JP5449196B2 (en) 2008-02-08 2014-03-19 シーメンス ヴェ メタルス テクノロジーズ エスアーエス Dipping galvanizing method for steel strip
JP2011225694A (en) * 2010-04-19 2011-11-10 Dic Corp Water-in-oil type emulsion using super hydrophobic powder as dispersant and method for producing the same
JP5682396B2 (en) * 2011-03-25 2015-03-11 Dic株式会社 Coating composition, superhydrophobic coating film obtained using the same, and method for producing the same
EP2803711B1 (en) * 2013-05-17 2018-06-27 3M Innovative Properties Company Pressure sensitive adhesive assembly comprising filler material
JP2016175790A (en) * 2015-03-19 2016-10-06 セイコーインスツル株式会社 Method for producing silica-based particle dispersion
JP6748999B2 (en) * 2016-08-26 2020-09-02 国立大学法人横浜国立大学 Adhesive composition
JP7031790B2 (en) * 2019-04-18 2022-03-08 Dic株式会社 Structures, manufacturing methods for structures, heat exchanger members and heat exchangers
CN113832741B (en) * 2021-09-28 2024-05-03 宁波中拓新材料科技有限公司 Nano-powder modified non-woven fabric and preparation method thereof
CN114226211B (en) * 2021-12-27 2023-02-28 中国人民解放军国防科技大学 Washable antibacterial super-hydrophobic coating and preparation method and application thereof
WO2023127481A1 (en) * 2021-12-27 2023-07-06 株式会社トクヤマ Spherical surface-treated silica aerogel and production method therefor
CN115178122B (en) * 2022-07-21 2024-02-06 四川大学 Method for rapidly emulsifying super-wetting material

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