JP2018023963A - 塗装金属板、およびその製造方法 - Google Patents
塗装金属板、およびその製造方法 Download PDFInfo
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- JP2018023963A JP2018023963A JP2017059834A JP2017059834A JP2018023963A JP 2018023963 A JP2018023963 A JP 2018023963A JP 2017059834 A JP2017059834 A JP 2017059834A JP 2017059834 A JP2017059834 A JP 2017059834A JP 2018023963 A JP2018023963 A JP 2018023963A
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- Prior art keywords
- coating film
- metal plate
- resin
- flame
- coated metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001941 electron spectroscopy Methods 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims description 168
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- 238000012545 processing Methods 0.000 description 27
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- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical compound OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
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- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/08—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by flames
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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Abstract
【解決手段】金属板の表面に、JIS B0601:2013に準拠して算出される算術平均粗さRaが0.3〜3.0μmであり、かつX線源としてAlKα線を使用してX線電子分光法で測定される表面のSi原子濃度が、1.0atm%未満であり、表面のヨウ化メチレン転落角が15〜45である塗膜を形成する工程と、前記塗膜に、フレーム処理用バーナーで火炎を放射する、30〜1000kJ/m2のフレーム処理を行う工程と、からなる製造方法。好ましくは、前記塗膜がポリエステル樹脂又はアクリル樹膜を含む、塗装金属板の製造方法。
【選択図】なし
Description
[1]金属板の表面に、JIS B0601:2013に準拠して算出される算術平均粗さRaが0.3〜3.0μmであり、かつX線源としてAlKα線を使用して、X線電子分光法で測定される表面のSi原子濃度が、1.0atm%未満である塗膜を形成する工程と、前記塗膜に、30〜1000kJ/m2のフレーム処理を行う工程と、を有する、塗装金属板の製造方法。
[3]金属板と、前記金属板上に配置された、JIS B0601:2013に準拠して算出される算術平均粗さRaが0.3〜3.0μmであり、X線源としてAlKα線を使用してX線電子分光法で測定される表面のSi原子濃度が1.0atm%未満であり、かつ表面のヨウ化メチレン転落角が15°以上45°以下である塗膜と、を有する、塗装金属板。
[4]前記塗膜が、ポリエステル樹脂またはアクリル樹脂を含む、[3]に記載の塗装金属板。
本工程では、金属板の表面に、JIS B0601:2013(ISO 4287:1997に相当)に準拠して算出される算術平均粗さRaが0.3〜3.0μmである塗膜を形成する。上記算術平均粗さRaは、雨筋汚れが生じ難くなるだけでなく、雨筋汚れ以外の汚れも発生し難くなる、との観点から0.4〜2.5μmであることがより好ましく、0.5〜2.0μmであることがさらに好ましい。なお、塗膜表面の算術平均粗さの調整方法は特に制限されないが、例えば、後述の無機粒子や有機粒子の量や組み合わせ等によって調整することができる。また、上記塗膜表面の形状は、触針式表面粗さ計により測定する。
XPS分析装置 : KRATOS社製AXIS−NOVA
X線源 : 単色化AlKα(1486.6eV)
分析領域 : 300×700μm
分析室真空度 : 1.0×10−7Pa
本工程では、前述の算術平均粗さを有する塗膜に、30〜1000kJ/m2のフレーム処理を行う。塗膜をフレーム処理することで、塗膜表面にOH基を導入することができ、塗膜表面の親水性を高めることができる。また、フレーム処理では、塗膜表面全体をムラなく親水化できる。したがって、前述のように、塗膜表面での疎水性カーボンの移動を十分に抑制することが可能となる。
板厚0.27mm、A4サイズ、片面当りめっき付着量90g/m2の溶融Zn−55%Al合金めっき鋼板を金属板として準備し、表面をアルカリ脱脂した。その後、当該表面に、塗布型クロメート(日本ペイント株式会社製 NRC300NS)を、Crの付着量が50mg/m2となるように塗布した。さらに、エポキシ樹脂系プライマー塗料(日本ファインコーティングス株式会社製 700P)を、乾燥膜厚が5μmとなるようにロールコーターで塗布した。続いて、基材の最高到達板温215℃となるように焼き付け、プライマー塗膜を形成しためっき鋼板(以下、単に「めっき鋼板」とも称する)を得た。
2−1.ポリエステル樹脂系の塗膜の形成(実施例1〜12、比較例1〜10、および参考例1、2)
数平均分子量5,000、ガラス転移温度30℃、水酸基価28mgKOH/gの高分子ポリエステル樹脂(DIC株式会社製)と、メトキシ基90モル%のメチル化メラミン樹脂(三井サイテック製 サイメル303)とを混合し、ベースとなるポリエステル樹脂/メラミン塗料を得た。ポリエステル樹脂とメチル化メラミン樹脂の配合比は70/30とした。
使用装置 : アルバックファイ社製 Dektak150
測定条件 : 触針式
垂直方向分解能 : 0.1nm/6.5μm、1nm/65.5μm、8nm/524μm
触針圧 : 3mg
走査時間 : 60s
触針半径 : 2.5μm
走査距離 : 1mm
アクリル樹脂(株式会社日本触媒製 アロセット5534−SB60)37.85質量部(固形分量)、平均粒径0.28μmの酸化チタン顔料(テイカ株式会社製 JR−603)37.85質量部、シクロヘキサノン10質量部、およびブタノール25質量部を混合し、ビーズミルで混練した。その後、硬化剤として、メラミン樹脂(DIC株式会社製 スーパーベッカミンL−155−70)15.06質量部(固形分量)を加え、ベースとなるアクリル樹脂/メラミン塗料を調製した。
3−1.フレーム処理(実施例1〜16、比較例7、8、および参考例1、2)
上述の塗膜を形成しためっき鋼板を、株式会社東上熱学製 自動排出型乾燥器(型式 ATO−101)を用いて、設定温度80℃、風速2.0m/sの条件で、5分間熱処理した。
上述の塗膜を形成しためっき鋼板の塗膜表面をコロナ放電処理した。コロナ放電処理には、春日電機株式会社製の下記の仕様のコロナ放電処理装置を使用した。
(仕様)
・電極セラミック電極
・電極長さ 430mm
・出力 310W
また、塗膜のコロナ放電処理回数は、いずれも1回とした。コロナ放電処理量は、処理速度によって調整した。具体的には、4.8m/分または2.8m/分で処理することにより、コロナ放電処理量150W・分/m2または250W・分/m2とした。
各実施例および比較例で得られた塗装金属板について、以下の方法で、塗膜表面のSi原子濃度、O原子濃度、およびC原子濃度の測定、対水接触角の測定、ヨウ化メチレン転落角の測定、ならびに耐雨筋汚れ性の評価を行った。結果を表2に示す。
XPS分析装置(KRATOS社製AXIS−NOVA)により、以下の条件で塗膜表面のSi原子濃度、O原子濃度、およびC原子濃度を測定した。
X線源 : 単色化Al Kα(1486.6eV)
分析領域 : 300×700μm
分析室真空度 : 1.0×10−7Pa
実施例、比較例、および参考例で作製した塗装金属板の塗膜表面の対水接触角を測定した。測定は気温23±2℃、相対湿度50±5%の恒温恒湿度室で0.01ccの精製水の水滴を形成して、協和界面科学株式会社製の接触角計DM901を使用して測定した。
水平に保持した塗膜上に2μlのヨウ化メチレンを滴下した。その後、接触角測定装置(協和界面科学社製 DM901)を用いて、2度/秒の速度で塗膜の傾斜角度(水平面と塗膜とが成す角度)を大きくした。このとき、接触角測定装置に付属しているカメラによって、ヨウ化メチレンの液滴を観察した。そして、ヨウ化メチレンの液滴が転落する瞬間の傾斜角度を特定し、5回の平均値を当該塗膜のヨウ化メチレン転落角とした。なお、ヨウ化メチレンの液滴が転落する瞬間とは、ヨウ化メチレンの液滴の重力下方向の端点および重力上方向の端点の両方が移動し始める瞬間とした。
耐雨筋汚れ性は、以下のように評価した。
まず、垂直暴露台に実施例、比較例、および参考例で作製した塗装金属板をそれぞれ取り付けた。さらに、当該塗装金属板の上部に、地面に対して角度20°となるように、波板を取り付けた。このとき、雨水が塗装金属板表面を筋状に流れるように、波板を設置した。この状態で、屋外暴露試験を6ヶ月間行い、汚れの付着状態を観察した。耐雨筋汚れ性の評価は、暴露前後の塗装金属板の明度差(ΔL)で、以下のように評価した。
×:ΔLが2以上の場合(汚れが目立つ)
△:ΔLが1以上2未満の場合(雨筋汚れは目立たないが視認できる)
〇:ΔLが1未満の場合(雨筋汚れがほとんど視認できない)
22a 筐体
22b 炎口
22c 補助炎口
23 ガス供給管
Claims (4)
- 金属板の表面に、JIS B0601:2013に準拠して算出される算術平均粗さRaが0.3〜3.0μmであり、かつX線源としてAlKα線を使用して、X線電子分光法で測定される表面のSi原子濃度が、1.0atm%未満である塗膜を形成する工程と、
前記塗膜に、30〜1000kJ/m2のフレーム処理を行う工程と、
を有する、塗装金属板の製造方法。 - 前記塗膜が、ポリエステル樹脂またはアクリル樹脂を含む、
請求項1に記載の塗装金属板の製造方法。 - 金属板と、
前記金属板上に配置された、JIS B0601:2013に準拠して算出される算術平均粗さRaが0.3〜3.0μmであり、X線源としてAlKα線を使用してX線電子分光法で測定される表面のSi原子濃度が1.0atm%未満であり、かつ表面のヨウ化メチレン転落角が15°以上45°以下である塗膜と、
を有する、塗装金属板。 - 前記塗膜が、ポリエステル樹脂またはアクリル樹脂を含む、
請求項3に記載の塗装金属板。
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AU2017305901A AU2017305901B2 (en) | 2016-08-02 | 2017-04-11 | Painted metal plate and method for manufacturing same |
US16/323,042 US20190168256A1 (en) | 2016-08-02 | 2017-04-11 | Painted metal plate and method for manufacturing same |
EA201990144A EA201990144A1 (ru) | 2016-08-02 | 2017-04-11 | Металлический лист с покрытием и способ его изготовления |
KR1020197021356A KR102264835B1 (ko) | 2016-08-02 | 2017-04-11 | 도장 금속판 및 그 제조 방법 |
PCT/JP2017/014743 WO2018025450A1 (ja) | 2016-08-02 | 2017-04-11 | 塗装金属板、およびその製造方法 |
MYPI2019000504A MY174246A (en) | 2016-08-02 | 2017-04-11 | Painted metal plate and method for manufacturing same |
EP17836557.3A EP3495052B1 (en) | 2016-08-02 | 2017-04-11 | Painted metal plate and method for manufacturing same |
KR1020197003559A KR102036369B1 (ko) | 2016-08-02 | 2017-04-11 | 도장 금속판 및 그 제조 방법 |
CN201780047095.4A CN109562409B (zh) | 2016-08-02 | 2017-04-11 | 涂装金属板及其制造方法 |
TW106125741A TWI732915B (zh) | 2016-08-02 | 2017-07-31 | 塗敷金屬板及其製造方法 |
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Cited By (5)
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JP2020054968A (ja) * | 2018-10-03 | 2020-04-09 | 日鉄日新製鋼株式会社 | 塗装金属板およびその製造方法 |
JP2021079623A (ja) * | 2019-11-19 | 2021-05-27 | 日鉄鋼板株式会社 | 塗装鋼板 |
JP2021126821A (ja) * | 2020-02-13 | 2021-09-02 | 日本製鉄株式会社 | 複合体、ガスケット、複合体の製造方法および塗装金属板 |
JP2022084372A (ja) * | 2020-11-26 | 2022-06-07 | 日本ペイント・インダストリアルコ-ティングス株式会社 | 意匠性塗料組成物 |
JP7514780B2 (ja) | 2021-02-19 | 2024-07-11 | 日鉄鋼板株式会社 | 被印刷用金属基材およびその製造方法、ならびに塗装金属材 |
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CN110706943A (zh) * | 2019-09-19 | 2020-01-17 | 中北大学 | 一种三维亲水碳泡沫导电基体的制备方法和应用 |
KR102675579B1 (ko) | 2023-06-30 | 2024-06-13 | 김현진 | 금속재 표면 도장 장치 |
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- 2017-04-11 EP EP17836557.3A patent/EP3495052B1/en active Active
- 2017-04-11 US US16/323,042 patent/US20190168256A1/en not_active Abandoned
- 2017-04-11 KR KR1020197003559A patent/KR102036369B1/ko active IP Right Grant
- 2017-04-11 EA EA201990144A patent/EA201990144A1/ru unknown
- 2017-04-11 CN CN201780047095.4A patent/CN109562409B/zh active Active
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JP2021126821A (ja) * | 2020-02-13 | 2021-09-02 | 日本製鉄株式会社 | 複合体、ガスケット、複合体の製造方法および塗装金属板 |
JP7385215B2 (ja) | 2020-02-13 | 2023-11-22 | 日本製鉄株式会社 | 複合体、ガスケット、複合体の製造方法および塗装金属板 |
JP2022084372A (ja) * | 2020-11-26 | 2022-06-07 | 日本ペイント・インダストリアルコ-ティングス株式会社 | 意匠性塗料組成物 |
JP7123111B2 (ja) | 2020-11-26 | 2022-08-22 | 日本ペイント・インダストリアルコーティングス株式会社 | 意匠性塗料組成物 |
JP7514780B2 (ja) | 2021-02-19 | 2024-07-11 | 日鉄鋼板株式会社 | 被印刷用金属基材およびその製造方法、ならびに塗装金属材 |
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EA201990144A1 (ru) | 2019-08-30 |
JP6306237B2 (ja) | 2018-04-04 |
PH12019500236B1 (en) | 2019-10-28 |
AU2017305901B2 (en) | 2019-10-03 |
CN109562409B (zh) | 2020-03-10 |
US20190168256A1 (en) | 2019-06-06 |
EP3495052B1 (en) | 2021-08-11 |
EP3495052A1 (en) | 2019-06-12 |
KR20190088579A (ko) | 2019-07-26 |
TWI732915B (zh) | 2021-07-11 |
TW201809321A (zh) | 2018-03-16 |
PH12019500236A1 (en) | 2019-10-28 |
EP3495052A4 (en) | 2020-03-18 |
KR102264835B1 (ko) | 2021-06-11 |
KR102036369B1 (ko) | 2019-10-24 |
CN109562409A (zh) | 2019-04-02 |
KR20190019206A (ko) | 2019-02-26 |
AU2017305901A1 (en) | 2019-02-21 |
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