JP2008104936A - Water superrepellent aluminum foil and method of manufacturing the same - Google Patents
Water superrepellent aluminum foil and method of manufacturing the same Download PDFInfo
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- JP2008104936A JP2008104936A JP2006289424A JP2006289424A JP2008104936A JP 2008104936 A JP2008104936 A JP 2008104936A JP 2006289424 A JP2006289424 A JP 2006289424A JP 2006289424 A JP2006289424 A JP 2006289424A JP 2008104936 A JP2008104936 A JP 2008104936A
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Abstract
Description
本発明は、超撥水性を有するアルミ箔及びその製造方法に関する。 The present invention relates to an aluminum foil having super water repellency and a method for producing the same.
従来の技術では、基板上に酸化アルミニウムをゾル-ゲル法によって作製した後、温水処理によって、花弁状組織を作製し、これにシラン化合物をコーティングして、超撥水性（接触角）165度を得ている（特許文献１、非特許文献１参照）。
アモルファス酸化アルミニウム膜を基材の上に作製するという工程を必要し、熱処理も必要とされるがために、基材の耐熱性に制限がある。
また、Cuプレートを利用した超撥水の問題点としては、金属Cuは非常に錆びやすいために、耐腐食性に弱い。また、撥水の形態を得るために2日以上の長時間の反応を必要とする点が挙げられる。
Since a process of producing an amorphous aluminum oxide film on a base material is required and heat treatment is also required, the heat resistance of the base material is limited.
In addition, as a problem of super water repellency using a Cu plate, metal Cu is very susceptible to rusting, so it is weak in corrosion resistance. In addition, in order to obtain a water-repellent form, a long reaction time of 2 days or more is required.
本発明は、アモルファス酸化アルミニウム膜を基材の上に作製するという工程を必要しない超撥水アルミ箔及びその製造方法を提供する。 The present invention provides a super water-repellent aluminum foil that does not require a step of producing an amorphous aluminum oxide film on a substrate and a method for producing the same.
上記目的を達成するために本発明は、アルミニウム箔の表面を熱水処理し、特殊なシラン化合物の縮合物その表面を覆うことにより、超撥水アルミ箔が得られることを見出した。
すなわち、本発明は、熱水処理した金属アルミ箔の表面に、直接、フッ素を含まないヘキシルトリメトキシシランの縮合物若しくはフッ素を含むヘプタデカフルオロデシルトリメトキシシランの縮合物の被膜を設けた超撥水アルミ箔である。
また、本発明は、アルミニウム箔を８０〜９９度の熱水に０．５〜５時間浸漬した後に取り出し、洗浄乾燥させ、フッ素を含まないヘキシルトリメトキシシラン若しくはフッ素を含むヘプタデカフルオロデシルトリメトキシシランを塗布し、硬化させてなる超撥水アルミ箔の製造方法である。
本発明はここで、洗浄乾燥をエタノールで行うことが望ましい。
また、本発明は、熱水の温度が８８〜９２℃であり、浸漬時間が１〜２時間であるとすることが望ましい。
In order to achieve the above object, the present invention has found that a super-water-repellent aluminum foil can be obtained by subjecting the surface of an aluminum foil to hot water treatment and covering the surface with a condensate of a special silane compound.
That is, the present invention provides an ultra-thin metal foil coated with a coating of hexyltrimethoxysilane condensate containing no fluorine or heptadecafluorodecyltrimethoxysilane condensate containing fluorine directly on the surface of the hot-water treated metal aluminum foil. It is a water repellent aluminum foil.
The present invention also relates to aluminum foil immersed in hot water at 80 to 99 degrees for 0.5 to 5 hours, then taken out, washed and dried, and fluorinated hexyltrimethoxysilane or fluorine-containing heptadecafluorodecyltrimethoxy. This is a method for producing a super water-repellent aluminum foil obtained by applying and curing silane.
In the present invention, the washing and drying are preferably performed with ethanol.
Moreover, as for this invention, it is desirable that the temperature of hot water is 88-92 degreeC, and immersing time is 1-2 hours.
簡単な処理工程のみにより、超撥水アルミ箔を得ることができる。 Super water-repellent aluminum foil can be obtained only by simple processing steps.
本発明で用いるアルミ箔は、表面が汚れていないものならば、市販のアルミ箔を用いることができる。
本発明で用いる水は、イオン交換水を用いることができる。
また、本発明で用いるフッ素を含まないヘキシルトリメトキシシラン若しくはフッ素を含むヘプタデカフルオロデシルトリメトキシシランは、市販されている。
本発明で用いる撥水剤としては、フッ素を含まないヘキシルトリメトキシシランの縮合物、若しくはフッ素を含むヘプタデカフルオロデシルトリメトキシシランやトリデカフルオロオクチルメトキシシシラン、2-(パーフルオロオクチル)エチル]トリクロロシランなどのシランカップリング剤やパーフルオロラウリン酸、ポリ(パーフルオロデシルエチルアクリレート)などの長鎖パーフルオロアルキル基を有する高分子やビニル末端ポリジメチルシロキサンからなる群れより選ばれる１種を用いることができる。
本発明について実施例を用いてさらに詳しく説明するが、本発明はこれら実施例に限定されるものではない。
As the aluminum foil used in the present invention, a commercially available aluminum foil can be used as long as the surface is not soiled.
As the water used in the present invention, ion-exchanged water can be used.
Further, hexyltrimethoxysilane containing no fluorine or heptadecafluorodecyltrimethoxysilane containing fluorine used in the present invention is commercially available.
As the water repellent used in the present invention, a condensate of hexyltrimethoxysilane containing no fluorine, or heptadecafluorodecyltrimethoxysilane, tridecafluorooctylmethoxysilane, or 2- (perfluorooctyl) ethyl containing fluorine ] One kind selected from the group consisting of silane coupling agents such as trichlorosilane, polymers having a long chain perfluoroalkyl group such as perfluorolauric acid, poly (perfluorodecylethyl acrylate), and vinyl-terminated polydimethylsiloxane Can be used.
The present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
アルミニウム箔を90度の水に1h浸した後に取り出し、エタノールで洗浄して乾燥させる。
シラン化合物のフッ素を含まないヘキシルトリメトキシシランをコーティングした。
コーティングはヘキサン中にシランを溶解させ、６０℃にて24時間静置し、取り出し、室温で乾燥させた。
図1のSEM像からアルミニウム箔上にナノシートが垂直方向に成長していることが分かる。
図2はアルミニウム箔上のナノシート膜へ、ヘキシルトリメトキシシランをコーティングした超撥水の写真である。
The aluminum foil is soaked in 90 ° water for 1 hour, then taken out, washed with ethanol and dried.
The silane compound fluorine-free hexyltrimethoxysilane was coated.
For coating, silane was dissolved in hexane, left at 60 ° C. for 24 hours, taken out, and dried at room temperature.
It can be seen from the SEM image in FIG. 1 that nanosheets grow vertically on the aluminum foil.
Fig. 2 is a super water-repellent photograph in which hexyltrimethoxysilane is coated on a nanosheet film on an aluminum foil.
実施例１と同様にして、シラン化合物のフッ素を含むヘプタデカフルオロデシルトリメトキシシランを塗布した。
図3はヘプタデカフルオロデシルトリメトキシシランをコーティングした超撥水の写真である。いずれも150°以上の超撥水を示していることが分かる。
図４は平滑なガラス基板上にヘプタデカフルオロデシルトリメトキシシランをコートした膜の撥水の写真であり、接触角は約113度と、150度以上の超撥水は示さない。
図5はアルミニウム箔上のナノシート膜へ、ヘプタデカフルオロデシルトリメトキシシランをコートした膜上に油であるヘキサデカンを滴下した撥油の写真である。接触角が約109度と、撥油膜であることが分かる。
In the same manner as in Example 1, heptadecafluorodecyltrimethoxysilane containing fluorine as a silane compound was applied.
FIG. 3 is a photograph of super water-repellent material coated with heptadecafluorodecyltrimethoxysilane. It can be seen that both show super water repellency of 150 ° or more.
FIG. 4 is a photograph of water repellency of a film in which heptadecafluorodecyltrimethoxysilane is coated on a smooth glass substrate. The contact angle is about 113 degrees and does not indicate super water repellency of 150 degrees or more.
FIG. 5 is a photograph of oil repellency in which hexadecane, which is oil, is dropped onto a film obtained by coating heptadecafluorodecyltrimethoxysilane on a nanosheet film on an aluminum foil. It can be seen that the contact angle is about 109 degrees, which is an oil repellent film.
本発明の超撥水アルミ箔は、簡単な処理工程のみにより、超撥水アルミ箔を得ることができるばかりか、量産性に優れているので、安価に超撥水アルミ箔を作ることができる。 The super water-repellent aluminum foil of the present invention can be obtained not only with a simple treatment process, but also with excellent mass production, so that the super water-repellent aluminum foil can be produced at low cost. .
Claims (4)
The method for producing a super water-repellent aluminum foil according to claim 2 or 3, wherein the temperature of the hot water is 88 to 92 ° C and the immersion time is 1 to 2 hours.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011213511A (en) * | 2010-03-31 | 2011-10-27 | National Institute Of Advanced Industrial Science & Technology | High-strength composite nanosheet film, water-superrepellent transparent film using the same and method for manufacturing the same |
| CN102677058A (en) * | 2012-05-28 | 2012-09-19 | 大连理工大学 | Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions |
| CN102677141A (en) * | 2012-05-28 | 2012-09-19 | 大连理工大学 | Method for preparing titanium or titanium alloy superoleophobic surface |
| EP2594343A2 (en) | 2011-11-14 | 2013-05-22 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Hydrophobic material and production process thereof |
| CN103817059A (en) * | 2012-11-19 | 2014-05-28 | 深圳富泰宏精密工业有限公司 | Preparation method for aluminum super-hydrophobic surface and product |
| JP2014148704A (en) * | 2013-01-31 | 2014-08-21 | Osaka Gas Chem Kk | Composition for outermost surface of gas cooking appliance |
| KR101441819B1 (en) | 2013-07-31 | 2014-09-18 | 주식회사 펨토펩 | Droplet-evaporation-based self-cleaning humidification device |
| WO2017051905A1 (en) * | 2015-09-25 | 2017-03-30 | Ｊｘ金属株式会社 | Surface-treated metal foil, laminated body, printed wiring board, semiconductor package, electronic device, and method for producing printed wiring board |
| CN111945157A (en) * | 2020-07-30 | 2020-11-17 | 江苏中新瑞光学材料有限公司 | Preparation method of environment-friendly hydrophobic material |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011213511A (en) * | 2010-03-31 | 2011-10-27 | National Institute Of Advanced Industrial Science & Technology | High-strength composite nanosheet film, water-superrepellent transparent film using the same and method for manufacturing the same |
| EP2594343A2 (en) | 2011-11-14 | 2013-05-22 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Hydrophobic material and production process thereof |
| CN102677141B (en) * | 2012-05-28 | 2014-12-24 | 大连理工大学 | Method for preparing titanium or titanium alloy superoleophobic surface |
| CN102677058A (en) * | 2012-05-28 | 2012-09-19 | 大连理工大学 | Method for etching and preparing ultra-hydrophobic aluminum surface by using saline solution containing copper ions and chloride ions |
| CN102677141A (en) * | 2012-05-28 | 2012-09-19 | 大连理工大学 | Method for preparing titanium or titanium alloy superoleophobic surface |
| CN103817059A (en) * | 2012-11-19 | 2014-05-28 | 深圳富泰宏精密工业有限公司 | Preparation method for aluminum super-hydrophobic surface and product |
| JP2014148704A (en) * | 2013-01-31 | 2014-08-21 | Osaka Gas Chem Kk | Composition for outermost surface of gas cooking appliance |
| KR101441819B1 (en) | 2013-07-31 | 2014-09-18 | 주식회사 펨토펩 | Droplet-evaporation-based self-cleaning humidification device |
| WO2015016644A1 (en) * | 2013-07-31 | 2015-02-05 | 주식회사 펨토펩 | Droplet evaporation based self-cleaning humidification device |
| US9841199B2 (en) | 2013-07-31 | 2017-12-12 | Femtofab Co., Ltd. | Droplet evaporation based self-cleaning humidification device |
| WO2017051905A1 (en) * | 2015-09-25 | 2017-03-30 | Ｊｘ金属株式会社 | Surface-treated metal foil, laminated body, printed wiring board, semiconductor package, electronic device, and method for producing printed wiring board |
| JP2017061080A (en) * | 2015-09-25 | 2017-03-30 | Ｊｘ金属株式会社 | Surface-treated metal foil, laminated body, printed wiring board, semiconductor package, electronic apparatus, and method for manufacturing printed wiring board |
| TWI618814B (en) * | 2015-09-25 | 2018-03-21 | Jx Nippon Mining & Metals Corp | Surface treatment metal foil, laminate, printed wiring board, semiconductor package, electronic device, and printed wiring board manufacturing method |
| CN111945157A (en) * | 2020-07-30 | 2020-11-17 | 江苏中新瑞光学材料有限公司 | Preparation method of environment-friendly hydrophobic material |
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