JP2013091855A - アルコキシシランコーチング - Google Patents
アルコキシシランコーチング Download PDFInfo
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Abstract
【解決手段】アルキル多糖類表面活性剤;γ−アミノプロピルトリエトキシシランおよびγ−グリシドキシプロピルトリメトキシシランよりなる群から選択されるアルコキシシラン;水;必要に応じ、アルコキシシランの加水分解のみからのアルコール;並びに必要に応じ、殺生物剤、消泡剤および接着促進剤よりなる群から選択される1種もしくはそれ以上の成分よりなる水性組成物とし、シランコーチングでの金属表面の被覆方法において使用する。
【選択図】図1
Description
(i)アルキル多糖類表面活性剤;
(ii)γ−アミノプロピルトリエトキシシランおよびγ−グリシドキシプロピルトリメトキシシランよりなる群から選択されるアルコキシシラン;
(iii)水;
(iv)必要に応じアルコール(アルコキシシランの加水分解のみから);および
(v)必要に応じ殺生物剤、消泡剤および接着促進剤よりなる群から選択される1種もしくはそれ以上の成分
よりなる水性組成物が提供される。
(A)金属表面を次の成分:
(i)アルキル多糖類表面活性剤;
(ii)γ−アミノプロピルトリエトキシシランおよびγ−グリシドキシプロピルトリメトキシシランよりなる群から選択されるアルコキシシラン;
(iii)水;
(iv)必要に応じ、アルコキシシランの加水分解からのみ生ずるアルコール;および
(v)必要に応じ殺生物剤、消泡剤および接着促進剤よりなる群から選択される1種もしくはそれ以上の成分
よりなる組成物と接触させて金属表面上にアルコキシシランを沈着させ、
(B)この金属表面をそこに沈着されたアルコキシシランと共に乾燥させて、金属表面上に共有シロキサン結合の疎水性相互固定ネットワークからなるコーチングを生成させる
ことを特徴とする。
不働化されてない電気亜鉛メッキの矩形鋼材チューブを、その「受入れたままの」形で試用した。
使用に先立ち各金属を清浄した。各実験の大半につき、各亜鉛メッキ鋼チューブを超音波にて1時間にわたり清浄し(ルーズ汚れおよび鋼材粒子を除去する)、乾燥させ、次いでn−ヘプタンに続きアセトンで清浄した。
○ 芳香族炭化水素溶剤に15分間浸漬して、金属表面に存在しうるグリースもしくは油を除去する;
○ 2〜3分間にわたる超音波浴 (脱イオン水およびアルカデッド表面活性剤での清浄)により、全ての微粒子を柔らかくし、次いで水道水の下で水洗して全ての微粒子を除去し;
○ 1%苛性ソーダもしくは3%ナトリウムトリポリ燐酸塩(STPP)に5秒間浸漬し;
○ 水道水で水洗し;かつ
○ 綺麗な紙タオルで乾燥させる。
組成物は、次の順序で混合ビーカーに次の成分を導入することにより作成される:0.5重量%のアルカデント15(商標)表面活性剤;3重量%γ−グリシドキシプロピルトリメトキシシラン(シルケストA187、GEシリコーンズ社により供給);および96.5重量%の脱イオン水。これら各成分をビーカー中で混合し、得られた組成物を使用のため保留した。この組成物は6.5〜7.0の範囲のpHを有した。
メリカン・スタンダード・テスト・メソッド(ASTM)D1748、ヒューミジティ・キャビネット・テストと同様な試験を用いて腐食試験を行い、シラン被覆された鋼材チューブを密閉高湿度の環境に置いた。試験は湿度キャビネットの代わりに封止プラスチック容器を使用する点、および飽和硫酸銅スラリーの使用にてASTM D1748に特定された浴の代わりに湿度を与える点でASTM法とは異なる。
ACTラボラトリーズ・インコーポレイテッド、ヒルスデールからの未研摩の冷間圧延鋼(CRS)を10cm×2cmのパネルに切断し、5mmの穴を各パネルの頂部に吊るすために穿った。
シラン含有組成物との接触に先立ちCRSパネルをn−ヘプタンで充分に清浄し、乾燥させ、次いで表面が「ウォーター・ブレークフリー(water-break free)」となるまでアセトンで清浄し、これは表面が完全に綺麗になったことを示す(水は汚れおよび/または表面における油の周囲で破壊する)。
混合ビーカー中へ次の順序で各成分を導入することにより組成物を作成した:0.5重量%アルカデッド15(商標)表面活性剤;3重量%γ−アミノプロピルトリエトキシシラン(シルケストA110(GEシリコーンズ社、ダンデノング)および96.5重量%脱イオン水。各成分をビーカー内で混合すると共に、得られた組成物を使用のため保留した。この組成物は8〜11の範囲のpHを有した。
アメリカン・スタンダード・テストメソッド(ASTM)D1748、ヒューミディティー・キャビネット・テストと同様な試験を用いて腐食試験を行ないシラン被覆された鋼材チューブを密閉高湿度の環境に置いた。試験は、湿度キャビネットの代わりに密封プラスチック容器を使用する点、および飽和硫酸銅スラリーの使用にてASTM D1748に特定された浴の代わりに湿度を与える点でASTM法とは異なる。
Claims (16)
- (A)次の成分:(i)組成物中にて0.05重量%〜10重量%の範囲の濃度にて存在するアルキル多糖類表面活性剤であって、且つアルキル基がC 10 〜C 16 アルキル基もしくはC 8 〜C 10 アルキル基であるアルキルポリグルコシドであるアルキル多糖類表面活性剤;
(ii)γ−アミノプロピルトリエトキシシランおよびγ−グリシドキシプロピルトリメトキシシランよりなる群から選択される、1〜10重量%の範囲の濃度にて存在するアルコキシシラン;
(iii)水;
(iv)前記アルコキシシランが加水分解される場合には、前記アルコキシシランの加水分解のみに由来するアルコール;および
(v)必要に応じ殺生物剤、消泡剤およびポリエステル系接着促進剤よりなる群から選択される1種もしくはそれ以上の成分
のみからなる組成物と鋼表面とを接触させて、前記アルコキシシランを前記鋼上に沈着させ、
(B)この鋼表面をそこに沈着されたアルコキシシランと共に乾燥させて、鋼表面上に共有シロキサン結合の疎水性相互固定ネットワークからなるコーティングを生成させる
ことを特徴とする、鋼表面の腐食を減少させる方法。 - 鋼表面が炭素鋼からなり、アルコキシシランがγーアミノプロピルトリエトキシシランである請求項1に記載の方法。
- 組成物中にて表面活性剤がC10〜C16アルキルポリグルコシドであって0.5重量%の濃度にて存在し、アルコキシシランがγ−アミノプロピルトリエトキシシランであって3重量%の濃度にて存在する請求項2に記載の方法。
- 鋼表面が亜鉛メッキ鋼からなり、アルコキシシランがγ−グリシドキシプロピルトリメトキシシランである請求項1に記載の方法。
- 組成物中にて表面活性剤がC10〜C16アルキルポリグルコシドであって0.5重量%の濃度にて存在し、アルコキシシランがγ−グリシドキシプロピルトリメトキシシランであって3.0重量%の濃度にて存在する請求項4に記載の方法。
- 組成物中にて1種もしくはそれ以上の殺生物剤が1000ppmまでの濃度にて存在する請求項1〜5のいずれか一項に記載の方法。
- 組成物中にて1種もしくはそれ以上の消泡剤が1重量%までの濃度で存在する請求項1〜6のいずれか一項に記載の方法。
- 組成物中にて1種もしくはそれ以上のポリエステル系接着促進剤が1〜5重量%の濃度で存在する請求項1〜7のいずれか一項に記載の方法。
- 鋼表面はこの鋼表面を組成物含有の浴に通過させることにより組成物と接触させる請求項1〜8のいずれか一項に記載の方法。
- 鋼表面は組成物を鋼表面上に噴霧することにより組成物と接触させる請求項1〜8のいずれか一項に記載の方法。
- 鋼表面は1〜10秒間の接触時間で組成物と接触させる請求項1〜10のいずれか一項に記載の方法。
- 鋼表面を組成物と60℃以下の温度で接触させる請求項1〜11のいずれか一項に記載の方法。
- 前記工程(B)において、表面鋼をそこに沈着付着された沈着アルコキシシランと共に1〜120時間の範囲の時間にわたり乾燥させて、鋼表面上に共有シロキサン結合の疎水性相互固定ネットワークからなるコーティングを生成させる請求項1〜12のいずれか一項に記載の方法。
- 前記工程(B)において、鋼表面をそこに付着されたアルコキシシランと共に15〜100℃の範囲の温度で乾燥させて、鋼表面上に共有シロキサン結合の疎水性相互結合ネットワークからなるコーティングを生成させる請求項1〜13のいずれか一項に記載の方法。
- 前記工程(B)において、鋼表面をそこに付着されたアルコキシシランと共に80〜90℃の範囲の温度で加熱させて、鋼表面上に共有シロキサン結合の疎水性相互結合ネットワークからなるコーティングを生成させる請求項1〜12のいずれか一項に記載の方法。
- 前記工程(B)において、鋼表面を80〜90℃の温度で操作する炉内で加熱させ、鋼表面を1〜60分間の滞留時間を与える速度にて通過させて、鋼表面上に共有シロキサン結合の疎水性相互結合ネットワークからなるコーティングを生成させる請求項15に記載の方法。
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WO2016143628A1 (ja) * | 2015-03-06 | 2016-09-15 | 新日鐵住金ステンレス株式会社 | 害虫忌避性ステンレス鋼板及びその製造方法 |
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CN101775596B (zh) * | 2010-04-06 | 2011-08-03 | 中南大学 | 一种冰箱、冰柜蒸发器用铝管无铬钝化方法及钝化液 |
US9090503B2 (en) | 2012-12-28 | 2015-07-28 | Owens-Brockway Glass Container Inc. | Coatings for enhancing glass strength |
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US10306884B1 (en) * | 2016-06-04 | 2019-06-04 | James Joseph Howard, Jr. | Organosilane-based multi-purpose cleaning compositions and methods |
CN109576692A (zh) * | 2017-09-28 | 2019-04-05 | 王群龙 | 一种橡胶轮胎内使用的铁丝磷化防锈工艺 |
CN111774274A (zh) * | 2020-07-07 | 2020-10-16 | 湖北华越汽车零部件有限公司 | 一种汽车车架表面处理工艺 |
CN113481453B (zh) * | 2021-06-07 | 2022-11-11 | 北华航天工业学院 | 一种多体系防护层钢筋及其制备方法 |
CN113773749A (zh) * | 2021-09-01 | 2021-12-10 | 宁波市新光货架有限公司 | 一种金属货架用耐腐蚀处理剂以及金属货架防腐处理工艺 |
CN115522243B (zh) * | 2022-11-03 | 2024-07-26 | 青岛理工大学 | 一种二合一胶粘型环氧涂层及其制备方法和应用 |
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EP1920083A1 (en) | 2008-05-14 |
RU2008111974A (ru) | 2009-10-10 |
CN101253284A (zh) | 2008-08-27 |
RU2426818C2 (ru) | 2011-08-20 |
JP2009506218A (ja) | 2009-02-12 |
AU2006286364B2 (en) | 2011-03-31 |
BRPI0615370A2 (pt) | 2011-05-17 |
CN101253284B (zh) | 2010-11-10 |
WO2007026121A1 (en) | 2007-03-08 |
CA2620423A1 (en) | 2007-03-08 |
US20090304937A1 (en) | 2009-12-10 |
AU2006286364A1 (en) | 2007-03-08 |
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