发明名称 |
SURFACE CONDITIONERS AND METHOD OF SURFACE CONDITION |
摘要 |
<p>The invention provides a surface conditioner which can prevent an aluminum alloy from stray current corrosion in chemical conversion treatment and reduce the difference between contact and noncontact areas in conversion coating build-up on an aluminum alloy and which enables the formation of excellent chemical conversion coatings on various metal materials and a surface conditioner which can prevent metal from rusting after surface conditioning and is excellent in dispersion stability in a treating bath. A surface conditioner to be applied prior to the phosphating of metal which contains (A) zinc phosphate particles having D<SUB>50</SUB> of 3µm or below, (B) a water-soluble organic polymer, and (C) a layer clay mineral and has a pH of 3 to 12, characterized by further containing as the function imparting agent (D) a di- or tri-valent metal nitrite, zinc oxide and/or sodium hydroxide, or a nonionic or anionic surfactant.</p> |
申请公布号 |
WO2007013626(A1) |
申请公布日期 |
2007.02.01 |
申请号 |
WO2006JP315055 |
申请日期 |
2006.07.28 |
申请人 |
SHIRAHATA, SEIICHIRO;NIPPON PAINT CO., LTD.;NAKAZAWA, TOSHIKO |
发明人 |
NAKAZAWA, TOSHIKO;SHIRAHATA, SEIICHIRO |
分类号 |
C09D133/00;C23C22/78;B32B15/01;B32B15/20;C09D167/00;C09D171/02;C09D179/02;C09D201/00;C09D201/06 |
主分类号 |
C09D133/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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