JP2022130273A - 水溶性防錆剤組成物及びその使用方法 - Google Patents
水溶性防錆剤組成物及びその使用方法 Download PDFInfo
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- 239000000203 mixture Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 17
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 64
- 230000003449 preventive effect Effects 0.000 claims abstract description 32
- -1 amine compound Chemical class 0.000 claims abstract description 22
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims abstract description 12
- 125000003118 aryl group Chemical group 0.000 claims abstract description 11
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- 150000001875 compounds Chemical class 0.000 claims description 10
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- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
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- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 4
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- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
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- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
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- 125000000753 cycloalkyl group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
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- 229910052742 iron Inorganic materials 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
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- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
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- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- CSNIZNHTOVFARY-UHFFFAOYSA-N 1,2-benzothiazole Chemical compound C1=CC=C2C=NSC2=C1 CSNIZNHTOVFARY-UHFFFAOYSA-N 0.000 description 1
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
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- SLAMLWHELXOEJZ-UHFFFAOYSA-N 2-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1[N+]([O-])=O SLAMLWHELXOEJZ-UHFFFAOYSA-N 0.000 description 1
- KFIRODWJCYBBHY-UHFFFAOYSA-N 3-nitrophthalic acid Chemical compound OC(=O)C1=CC=CC([N+]([O-])=O)=C1C(O)=O KFIRODWJCYBBHY-UHFFFAOYSA-N 0.000 description 1
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- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
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- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
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- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
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- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 1
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- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
本発明による水溶性防錆剤組成物には、本発明の構成物のほか、本発明の目的から外れない範囲内で常套の添加剤、例えば、金属腐食防止剤、界面活性剤、防腐剤、消泡剤等の添加剤を配合することができる。これらの添加剤の配合量は、金属加工工程の種類に応じて、適宜、決定される。
HO-(EO)m(PO)n(EO)m-H、R-O(EO)n-H、R-(AO)n-H、グリセリンのEOPO付加物などを挙げることができる。これらの各式中、Rはアルキル基(直鎖状でも分枝状でもよく、又環状構造、二重結合、3重結合等を保有するものであってもよい)を示し、AO(アルキレンオキサイド)は、EO(オキシエチレン基)およびPO(オキシプロピレン基)の1種または2種の混合物であり、混合物である場合の配列はランダムでもブロックでもよい。また、各式において、nおよびmは、1~500程度の整数を示す。
本発明の水溶性防錆剤組成物は、被防錆物であるワークはステンレス鋼、合金鋼および炭素鋼等の鉄系材料が好適である。
JIS K2246「さび止め油」に規定された湿潤試験に準じ、軟鋼板SPCC-SD試験片(80×100×0.8 mm)の角に直径5 mmの孔を空けたのちに水およびメタノール、ジエチルエーテルで洗浄し、100番手の砥粒の研磨布で片面を研磨した。表1に示す実施例1から17のサンプルを水道水で5重量%に希釈し、試験片を希釈液に全浸漬した。実施例18と19のサンプルは、試験片を原液に全浸漬した。全浸漬した試験片を引き上げ、吊り具を孔に通し、恒温恒湿槽内(温度60℃、相対湿度95%)で1昼夜吊り下げた後に、試験片の100個の碁盤目を測定域とし、1点以上の錆が発生した碁盤目の数で発錆度%を評価した。
Claims (9)
- (A)(a-1)ヒドロキシカルボン酸および/または(a-2)芳香族ニトロ化カルボン酸と(B)有機アミン化合物を含有する水溶性防錆剤組成物。
- 前記(a-1)ヒドロキシカルボン酸がりんご酸、クエン酸からなる群から選択される少なくとも1種である請求項1に記載の水溶性防錆剤組成物。
- 前記(B)有機アミン化合物が、一級有機アミン化合物、下記一般式(2)に示される二級、三級有機アミン化合物および下記一般式(3)に示されるアルキルアミン化合物からなる群から選択される少なくとも1種である請求項1~3のいずれか1項に記載の水溶性防錆剤組成物。
(式(2)中、Z1、Z2は炭素数1~4の直鎖、分岐鎖の炭化水素基を示す。R1は水素、炭素数1~12の直鎖、分岐鎖、若しくは環状構造のアルキル基、アルコキシ基、ベンジル基を示す。R2、R3は水素、水酸基、フェニル基を示す。R2、R3は同一でも異なっていてもよいが、R2、R3が全て水素であることはない。)
(式(3)中、Z3は炭素数1~12の直鎖、分岐鎖、若しくは環状構造の炭化水素基を示す。R4、R5、R6、R7は水素、炭素数1~12の直鎖、分岐鎖、若しくは環状構造のアルキル基の炭化水素基を示す。R4、R5、R6、R7は同一でも異なっていてもよいが、R4、R5、R6、R7が全て水素であることはない。) - (A)の添加量に対する(B)の添加量のモル比率が1:2~1:10である請求項1~4のいずれか1項に記載の水溶性防錆剤組成物。
- 請求項1~5のいずれか1項に記載の水溶性防錆剤組成物を原液のまま、または水で希釈し、被防錆物に塗布する工程を含む水溶性防錆剤組成物の使用方法。
- 原液のままでの使用において、水溶性防錆剤組成物の(A)の添加量が、水溶性防錆剤組成物全体を100重量%としたとき、1~15重量%である請求項6に記載の水溶性防錆剤組成物の使用方法。
- 被防錆物が、鉄系材料である請求項6または7に記載の水溶性防錆剤組成物の使用方法。
- 原液または水で希釈した水溶性防錆剤組成物のpHが8.0~12.0の範囲内である請求項6~8のいずれか1項に記載の水溶性防錆剤組成物の使用方法。
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2021
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JPS57114671A (en) * | 1980-12-30 | 1982-07-16 | Nippon Steel Corp | Rust preventive treatment of partially zinc plated or alloyed zinc plated steel plate |
JPS5831086A (ja) * | 1981-08-19 | 1983-02-23 | Otsuka Chem Co Ltd | 鋼材表面の処理方法 |
JPS591686A (ja) * | 1982-06-28 | 1984-01-07 | Kawasaki Steel Corp | 冷間圧延鋼板用調質液 |
JPH10130874A (ja) * | 1996-10-24 | 1998-05-19 | Kurita Water Ind Ltd | ボイラ用水処理薬剤 |
JP2001279235A (ja) * | 2000-03-29 | 2001-10-10 | Cci Corp | 不凍液/冷却液組成物 |
JP2006169595A (ja) * | 2004-12-17 | 2006-06-29 | Chubu Kiresuto Kk | キレート剤・有機酸洗浄用腐食抑制剤組成物 |
JP2007242839A (ja) * | 2006-03-08 | 2007-09-20 | Adeka Corp | 金属cmp用研磨組成物 |
JP2010083844A (ja) * | 2008-10-02 | 2010-04-15 | Tamura Kaken Co Ltd | 新規イミダゾール化合物、表面処理剤、プリント回路基板およびその製造方法 |
JP2012031501A (ja) * | 2010-06-30 | 2012-02-16 | Fujifilm Corp | 金属膜表面の酸化防止方法及び酸化防止液 |
JP2016050217A (ja) * | 2014-08-28 | 2016-04-11 | コスモ石油ルブリカンツ株式会社 | 含水系作動液 |
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