JP7223690B2 - 前処理コーティング組成物の製造方法 - Google Patents
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- C01B32/215—Purification; Recovery or purification of graphite formed in iron making, e.g. kish graphite
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- C08K3/00—Use of inorganic substances as compounding ingredients
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- C09D5/08—Anti-corrosive paints
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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
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C20/00—Chemical coating by decomposition of either solid compounds or suspensions of the coating forming compounds, without leaving reaction products of surface material in the coating
- C23C20/06—Coating with inorganic material, other than metallic material
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- C25B1/135—Carbon
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
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- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C01P2004/24—Nanoplates, i.e. plate-like particles with a thickness from 1-100 nanometer
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Description
陽極側(anodic site)で金属は溶解して金属イオンと電子を生成する。
M (s) → M+2 (aq) + 2e-
陰極側(cathodic site)では、酸素と水が電子と反応してヒドロキシルイオンを生成する。
O2 (g) + H2O (aq) + 4e- → 4OH- (aq)
金属イオンはクロム酸イオンと反応し、陽極で金属クロム酸塩腐食防止層(metal chromate corrosion inhibiting layer)を生成する。
M+2 (aq) + 2CrO4 2- (aq) → MCrO4 (s)
Cr+3 + OH- (aq) → Cr(OH)3 (s)
本発明の他の目的は、グラフェンを含む前処理コーティング組成物を製造するための商業的に実行可能な方法を提供することである。
本発明の実施形態の目的はまた、従来のクロメート及びリン酸塩ベースの前処理コーティングと同等又はそれ以上の防食性能を示す、Cr (VI)を含まない前処理コーティングを提供することである。
本発明の実施形態の目的はまた、人間の健康及び環境に対して危険性が少ない、Cr (VI)を含まない前処理コーティングを提供することである。
i.黒鉛鉱体(graphite ore body)から黒鉛鉱(graphite ore)を採掘し、
ii.前記黒鉛鉱を電解処理して膨張黒鉛材料(expanded graphitic material)を得て、
iii.前記膨張黒鉛材料を剥離処理して単層グラフェン及び数層のグラフェンを得て、及び
iv.グラフェンを前記金属基材にカップリングするためのカップリング剤で前記グラフェンを官能化する。
i.黒鉛鉱体から黒鉛鉱を採掘し、
ii.前記黒鉛鉱を電解処理して膨張黒鉛材料を得て、
iii.前記膨張黒鉛材料を剥離処理して単層グラフェン及び数層のグラフェンを得て、
iv.グラフェンを前記金属基材にカップリングするためのカップリング剤で前記グラフェンを官能化し、
v.官能化グラフェンを含む前処理組成物を金属基材の表面に塗布し、及び
vi.前記前処理コーティングを形成するために前記コーティングされた金属基材を熱処理すること、を含む方法によって調製することができる。
Claims (13)
- 金属基材の前処理コーティング組成物を製造する方法であって、以下の工程:
i.黒鉛鉱体から黒鉛鉱を採掘し、
ii.前記黒鉛鉱を電解処理して膨張黒鉛材料を得て、
iii.前記膨張黒鉛材料を剥離処理して単層グラフェン及び数層のグラフェンを得て、
iv.任意の残留黒鉛材料から、前記剥離処理から得られた前記グラフェンを分離し、及び
v.グラフェンを前記金属基材にカップリングするためのカップリング剤で前記グラフェンを官能化すること、
を含み、
前記剥離処理が、前記膨張黒鉛材料の化学処理及び高圧処理の組み合わせであり、
前記化学処理が、隣接するグラファイト層間の距離を増大させるための挿入工程を含む、方法。 - 前記電解処理が、アンモニウムイオン、好ましくはアンモニウムイオン及び硫黄含有イオン、より好ましくは硫酸アンモニウムを含む電解質の存在下で行われる、請求項1に記載の方法。
- 前記硫黄含有イオンが前記膨張黒鉛材料から分離される、請求項2に記載の方法。
- 前記膨張黒鉛材料を、水と混和しない液体、好ましくは炭化水素を含む有機溶媒と混合することによって、前記膨張黒鉛材料から前記硫黄含有イオンを分離する、請求項3に記載の方法。
- 前記水と混和しない液体が灯油を含む、請求項4に記載の方法。
- 前記挿入工程が、前記膨張黒鉛材料を、0.5~7質量%、好ましくは0.5~2質量%の挿入剤を含有する溶液と混合することを含む、請求項1に記載の方法。
- 前記挿入剤が、四級アンモニウム塩又は過硫酸アンモニウム塩を含む、請求項6に記載の方法。
- 前記挿入剤を含む前記溶液が、最大10質量%の界面活性剤、好ましくは1~6質量%の界面活性剤、より好ましくは1~4質量%の界面活性剤を含む、請求項6に記載の方法。
- 前記カップリング剤がオルガノシロキサンを含む、請求項1に記載の方法。
- 前記カップリング剤が、アミノシロキサン又はアミノアルキルシロキサンを含む、請求項9に記載の方法。
- 前記カップリング剤が、少なくとも第1のオルガノシロキサンオリゴマー及び第2のオルガノシロキサンオリゴマーを含む、請求項9に記載の方法。
- 前記第1のオルガノシロキサンオリゴマーの前記第2のオルガノシロキサンオリゴマーに対する体積比が1.2:1~1.8:1である、請求項11に記載の方法。
- 前記グラフェンを官能化する工程の前に、前記オルガノシロキサンが、(i)前記前処理コーティング組成物が軟鋼又は亜鉛めっき鋼に塗布するためのものである場合に、酸性pHで加水分解され、(ii) 前記前処理コーティング組成物がアルミニウムに塗布するためのものである場合に、5.5~9.0のpHで加水分解され、(iii) 前記前処理コーティング組成物が銅に塗布されるためのものである場合に、7.0~12.0のpHで加水分解され、(iv) 前記前処理コーティング組成物がマグネシウムに塗布されるためのものである場合に、11.5~14.0のpHで加水分解され、(v) 前記前処理コーティング組成物がステンレス鋼に塗布するためのものである場合に、中性pHで加水分解される、請求項9に記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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GB1612960.3 | 2016-07-27 | ||
GBGB1612960.3A GB201612960D0 (en) | 2016-07-27 | 2016-07-27 | Pre-treament coating composition and a method for producing the same |
PCT/EP2017/068924 WO2018019905A1 (en) | 2016-07-27 | 2017-07-26 | Pre-treatment coating composition and a method for producing the same |
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JP2019524632A JP2019524632A (ja) | 2019-09-05 |
JP2019524632A5 JP2019524632A5 (ja) | 2020-08-27 |
JP7223690B2 true JP7223690B2 (ja) | 2023-02-16 |
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US (1) | US11453595B2 (ja) |
EP (1) | EP3490933A1 (ja) |
JP (1) | JP7223690B2 (ja) |
KR (1) | KR102454159B1 (ja) |
AU (1) | AU2017304609B2 (ja) |
GB (1) | GB201612960D0 (ja) |
WO (1) | WO2018019905A1 (ja) |
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GB201806776D0 (en) * | 2018-04-25 | 2018-06-06 | Talga Tech Limited | Pre-impregnated graphene composite |
GB2583351A (en) * | 2019-04-24 | 2020-10-28 | Talga Tech Limited | Functionalised graphene and coatings comprising the same |
GB201906105D0 (en) | 2019-05-01 | 2019-06-12 | Adelan Ltd | Ceramic composite |
GB2588076B (en) * | 2019-06-27 | 2023-09-13 | Talga Tech Limited | Inorganic coating composition containing functionalised graphene as a replacement for metallic pigments |
US11214693B2 (en) | 2019-08-09 | 2022-01-04 | The Boeing Company | Electrically conductive coating compositions with corrosion resistance |
GB201917239D0 (en) | 2019-11-27 | 2020-01-08 | Adelan Ltd | Solid oxide fuel cell |
EP3932862A1 (de) | 2020-07-01 | 2022-01-05 | Evonik Operations GmbH | Funktionalisiertes graphen, verfahren zur herstellung eines funktionalisierten graphens und dessen verwendung |
GB202101925D0 (en) * | 2021-02-11 | 2021-03-31 | Cami Consultancy Ltd | Graphene production method |
CN113830760B (zh) * | 2021-10-26 | 2023-09-22 | 深圳烯材科技有限公司 | 一种稳定电解制备氧化石墨烯的方法 |
CN118126562A (zh) * | 2024-05-10 | 2024-06-04 | 南京点援微材料科技有限公司 | 一种基于天然石墨的石墨烯乳制备方法及其应用 |
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JP2015507320A (ja) | 2011-12-14 | 2015-03-05 | ナショナル ユニヴァーシティー オブ シンガポール | 電気化学的荷電を用いる膨張した六方晶層鉱物及び誘導体を形成する方法。 |
WO2015074752A1 (en) | 2013-11-19 | 2015-05-28 | Tata Steel Uk Limited | Graphene based composition and graphene based coatings for electrochemical devices |
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US9193879B2 (en) | 2010-02-17 | 2015-11-24 | Baker Hughes Incorporated | Nano-coatings for articles |
CN102351174A (zh) | 2011-08-23 | 2012-02-15 | 华南理工大学 | 一种可分散性硅烷功能化石墨烯的制备方法 |
GB2516919B (en) | 2013-08-06 | 2019-06-26 | Univ Manchester | Production of graphene and graphane |
GB2520496B (en) | 2013-11-20 | 2020-05-27 | Univ Manchester | Production of graphene oxide |
WO2015160764A1 (en) | 2014-04-14 | 2015-10-22 | The Board Of Regents Of The University Of Texas System | Graphene-based coatings |
CN105540575A (zh) * | 2016-01-28 | 2016-05-04 | 成都新柯力化工科技有限公司 | 一种利用高压均质机剥离制备石墨烯的方法 |
CN105731442B (zh) | 2016-03-16 | 2019-01-04 | 河南工业大学 | 一种离子型两亲性功能化石墨烯的制备方法 |
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JP2015507320A (ja) | 2011-12-14 | 2015-03-05 | ナショナル ユニヴァーシティー オブ シンガポール | 電気化学的荷電を用いる膨張した六方晶層鉱物及び誘導体を形成する方法。 |
WO2015074752A1 (en) | 2013-11-19 | 2015-05-28 | Tata Steel Uk Limited | Graphene based composition and graphene based coatings for electrochemical devices |
Non-Patent Citations (1)
Title |
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PARVEZ, Khaled et al.,Exfoliation of Graphite into Graphene in Aqueous Solutions of Inorganic Salts,Journal of the American Chemical Society,米国,2014年03月31日,Vol.136/No.16,pp.6083-606091 |
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WO2018019905A1 (en) | 2018-02-01 |
GB201612960D0 (en) | 2016-09-07 |
KR20190050771A (ko) | 2019-05-13 |
JP2019524632A (ja) | 2019-09-05 |
EP3490933A1 (en) | 2019-06-05 |
KR102454159B1 (ko) | 2022-10-12 |
AU2017304609A1 (en) | 2019-02-21 |
US11453595B2 (en) | 2022-09-27 |
AU2017304609B2 (en) | 2022-06-02 |
US20190161354A1 (en) | 2019-05-30 |
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