JP2019171327A - 被膜形成方法 - Google Patents
被膜形成方法 Download PDFInfo
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- JP2019171327A JP2019171327A JP2018064763A JP2018064763A JP2019171327A JP 2019171327 A JP2019171327 A JP 2019171327A JP 2018064763 A JP2018064763 A JP 2018064763A JP 2018064763 A JP2018064763 A JP 2018064763A JP 2019171327 A JP2019171327 A JP 2019171327A
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- Prior art keywords
- coating
- meth
- coating film
- film
- polyol
- Prior art date
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- 239000011248 coating agent Substances 0.000 title claims abstract description 113
- 238000000576 coating method Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 23
- -1 polyol compound Chemical class 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 69
- 229920005862 polyol Polymers 0.000 claims abstract description 63
- 150000001875 compounds Chemical class 0.000 claims abstract description 37
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 36
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 36
- 238000002834 transmittance Methods 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 10
- 125000002723 alicyclic group Chemical group 0.000 claims abstract description 6
- 125000000524 functional group Chemical group 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 3
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- 230000007774 longterm Effects 0.000 abstract description 2
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- 239000000178 monomer Substances 0.000 description 24
- 150000003077 polyols Chemical class 0.000 description 22
- 229910052731 fluorine Inorganic materials 0.000 description 17
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- 125000000217 alkyl group Chemical group 0.000 description 15
- 239000003795 chemical substances by application Substances 0.000 description 15
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- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
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- MEZZCSHVIGVWFI-UHFFFAOYSA-N 2,2'-Dihydroxy-4-methoxybenzophenone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1O MEZZCSHVIGVWFI-UHFFFAOYSA-N 0.000 description 1
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- WXHVQMGINBSVAY-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 WXHVQMGINBSVAY-UHFFFAOYSA-N 0.000 description 1
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- AYLRODJJLADBOB-UHFFFAOYSA-N methyl 2,6-diisocyanatohexanoate Chemical compound COC(=O)C(N=C=O)CCCCN=C=O AYLRODJJLADBOB-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- CXVGEDCSTKKODG-UHFFFAOYSA-N sulisobenzone Chemical compound C1=C(S(O)(=O)=O)C(OC)=CC(O)=C1C(=O)C1=CC=CC=C1 CXVGEDCSTKKODG-UHFFFAOYSA-N 0.000 description 1
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- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
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Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
1.基材上に設けられた既存被膜面に対し、被覆材を塗付して新設被膜を形成する被膜形成方法であって、
上記既存被膜面は、凹凸模様及び/または多色模様を有するものであり、
上記被覆材は、
ポリオール化合物と、脂肪族ポリイソシアネート化合物及び脂環族ポリイソシアネート化合物から選ばれる1種以上のポリイソシアネート化合物とを含み、
可視光透過性を有し、紫外線透過率が30%以下、伸び率20%以上である被膜を形成するものであることを特徴とする被膜形成方法。
2.上記新設被膜の膜厚が30μm以上であることを特徴とする1.記載の被膜形成方法。
3.上記ポリイソシアネート化合物は、その数平均官能基数が2〜3であることを特徴とする1.または2.に記載の被膜形成方法。
<式>数平均官能基数=(数平均分子量×NCO含有量(%)/100)/42
(1)紫外線吸収性基を有する樹脂成分を含有する被覆材を使用する。
(2)紫外線吸収剤を含有する被覆材を使用する。
(3)紫外線遮蔽性粉体を含む被覆材を使用する。
等が挙げられる。これらの手段は、単独で採用してもよいし、組み合わせて採用してもよい。
(実施例1)
既存被膜面として、屋外曝露により劣化した窯業系サイディングボート(表面にタイル調の凹凸模様を有し、凹部には黒色のアクリル系樹脂被膜、凸部には褐色のアクリル系樹脂被膜を有するもの)を用意した。この既存被膜面の全面に対し、被覆材1を乾燥膜厚が75μmとなるようにスプレー塗装し(塗り重ね数2回)、7日間乾燥養生することにより、試験体を作製した。なお、塗装ないし養生の工程は、すべて標準状態(気温23℃、相対湿度50%)下で行った。
被覆材1に代えて、それぞれ被覆材2〜4を使用した以外は、実施例1と同様の方法で試験体を作製し、同様の試験を行った。試験結果を表1に示す。
乾燥膜厚が25μmとなるように塗装した以外は、実施例1と同様の方法で試験体を作製し、同様の試験を行った。試験結果を表1に示す。
被覆材1に代えて被覆材5を使用した以外は、実施例1と同様の方法で試験体を作製し、同様の試験を行った。試験結果を表1に示す。
実施例1〜5の試験体について3か月間屋外曝露を行い、試験体表面の汚れ等による外観変化を観察し、汚れの程度が軽微であったものを「A」とする4段階(優;A>B>C>D;劣)で評価した。試験結果を表1に示す。
Claims (3)
- 基材上に設けられた既存被膜面に対し、被覆材を塗付して新設被膜を形成する被膜形成方法であって、
上記既存被膜面は、凹凸模様及び/または多色模様を有するものであり、
上記被覆材は、
ポリオール化合物と、脂肪族ポリイソシアネート化合物及び脂環族ポリイソシアネート化合物から選ばれる1種以上のポリイソシアネート化合物とを含み、
可視光透過性を有し、紫外線透過率が30%以下、伸び率20%以上である被膜を形成するものであることを特徴とする被膜形成方法。 - 上記新設被膜の膜厚が30μm以上であることを特徴とする請求項1記載の被膜形成方法。
- 上記ポリイソシアネート化合物は、その数平均官能基数が2〜3であることを特徴とする請求項1または2に記載の被膜形成方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09253576A (ja) * | 1996-03-18 | 1997-09-30 | Sk Kaken Co Ltd | 塗装仕上方法 |
JP2003019462A (ja) * | 2001-03-26 | 2003-01-21 | Toyota Motor Corp | 塗膜形成方法及び塗装物品 |
JP2013199827A (ja) * | 2012-02-24 | 2013-10-03 | Bekku Kk | 化粧壁面 |
JP2013227416A (ja) * | 2012-04-25 | 2013-11-07 | Kansai Paint Co Ltd | 低汚染塗料組成物 |
JP6015877B1 (ja) * | 2015-09-25 | 2016-10-26 | 東洋インキScホールディングス株式会社 | 加飾フィルムおよびその製造方法、並びに加飾成型体 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09253576A (ja) * | 1996-03-18 | 1997-09-30 | Sk Kaken Co Ltd | 塗装仕上方法 |
JP2003019462A (ja) * | 2001-03-26 | 2003-01-21 | Toyota Motor Corp | 塗膜形成方法及び塗装物品 |
JP2013199827A (ja) * | 2012-02-24 | 2013-10-03 | Bekku Kk | 化粧壁面 |
JP2013227416A (ja) * | 2012-04-25 | 2013-11-07 | Kansai Paint Co Ltd | 低汚染塗料組成物 |
JP6015877B1 (ja) * | 2015-09-25 | 2016-10-26 | 東洋インキScホールディングス株式会社 | 加飾フィルムおよびその製造方法、並びに加飾成型体 |
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