JP6494389B2 - 常温塗装エポキシプライマーを有するポリウレタン樹脂重防食被覆鋼材 - Google Patents
常温塗装エポキシプライマーを有するポリウレタン樹脂重防食被覆鋼材 Download PDFInfo
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- JP6494389B2 JP6494389B2 JP2015083538A JP2015083538A JP6494389B2 JP 6494389 B2 JP6494389 B2 JP 6494389B2 JP 2015083538 A JP2015083538 A JP 2015083538A JP 2015083538 A JP2015083538 A JP 2015083538A JP 6494389 B2 JP6494389 B2 JP 6494389B2
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- PXKLMJQFEQBVLD-UHFFFAOYSA-N Bisphenol F Natural products C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
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- 230000002401 inhibitory effect Effects 0.000 description 3
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- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
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- 239000000853 adhesive Substances 0.000 description 2
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- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
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- IGALFTFNPPBUDN-UHFFFAOYSA-N phenyl-[2,3,4,5-tetrakis(oxiran-2-ylmethyl)phenyl]methanediamine Chemical compound C=1C(CC2OC2)=C(CC2OC2)C(CC2OC2)=C(CC2OC2)C=1C(N)(N)C1=CC=CC=C1 IGALFTFNPPBUDN-UHFFFAOYSA-N 0.000 description 2
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
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- 238000005422 blasting Methods 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 238000007585 pull-off test Methods 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
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- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
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- Other Surface Treatments For Metallic Materials (AREA)
Description
図1は、本発明の一つの実施態様を示す有機樹脂被覆鋼管の被覆構成断面図である。本発明に使用する鋼材1の形態は、主として、鋼管、鋼管杭、鋼管矢板、鋼矢板などの長期防食が必要とされる大型鋼製製品であって、鋼材種としては普通鋼、あるいは高合金鋼などどのような鋼種でも適用可能である。
2 有機ジンク下地処理
3 無溶剤エポキシ樹脂プライマー
4 無溶剤ポリウレタン樹脂塗料を用いたポリウレタン樹脂防食層
Claims (4)
- ブラスト処理、又はブラスト処理及び下地処理された鋼材上に順に、エポキシプライマー層、ポリウレタン樹脂防食層を有する重防食ポリウレタン樹脂被覆鋼材であって、
前記プライマー層が、105℃の加熱残分が95%以上の無溶剤エポキシ樹脂と80%以上を変性した変性アミン系硬化剤を用いて塗布されている重防食ポリウレタン樹脂被覆鋼材。 - 前記硬化剤が、メタキシレンジアミン、イソホロンジアミンの80%以上の変性物を用いることを特徴とする請求項1記載の重防食ポリウレタン樹脂被覆鋼材。
- 前記エポキシ樹脂プライマーの硬化状態として、温度、時間を変更した熱反応測定による発熱量から硬化完了時間を推定し、推定の完全硬化完了時間の60%以上の硬化時間を確保した後にポリウレタン樹脂を塗装した請求項1記載の重防食被覆鋼材。
- 前記下地処理として、有機ジンク塗装を行ったことを特徴とする請求項1記載の重防食ポリウレタン樹脂被覆鋼材。
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JP2016203388A JP2016203388A (ja) | 2016-12-08 |
JP6494389B2 true JP6494389B2 (ja) | 2019-04-03 |
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JP2020200995A (ja) * | 2019-06-11 | 2020-12-17 | ダイキン インダストリーズ (タイランド) リミテッドDaikin Industries (Thailand) Ltd. | 熱交換器 |
CN112280429A (zh) * | 2020-10-30 | 2021-01-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | 防腐蚀自清洁复合涂层及其制备方法和应用 |
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JP4595483B2 (ja) * | 2004-10-12 | 2010-12-08 | Jfeスチール株式会社 | 樹脂被覆重防食鋼材 |
JP4901305B2 (ja) * | 2006-05-30 | 2012-03-21 | 新日本製鐵株式会社 | 継ぎ手部防食性に優れた塗装鋼矢板及びその製造方法 |
JP5235290B2 (ja) * | 2006-09-22 | 2013-07-10 | 三井化学産資株式会社 | エポキシ樹脂組成物 |
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