阅读说明：本技术 一种适用于铝合金表面钝化的钝化液 (Passivation solution suitable for aluminum alloy surface passivation ) 是由 程峰 于 2019-10-21 设计创作，主要内容包括：本发明是一种适用于铝合金表面钝化的钝化液,包含添加剂和载体,配方中的原料按重量百分比组成分别是：0.5～6%四水合乙酸钴,10～35%六氟硅酸钾,1～10%六氟锆酸钾,0～3%硅烷偶联剂,0～2.5%氟化钠,5～20%环己六醇磷酸酯,10～20%去离子水,30～60%催化剂,通过本方法制备的产品,原材料来源广泛,成本较低,其在使用过程中,槽液稳定、不易出现沉渣,组分安全环保,不影响铝合金金属制品后期的各种再加工性能,适用于对铝合金金属制品表面的处理,方便实用,适宜推广应用。(The invention relates to a passivation solution suitable for aluminum alloy surface passivation, which comprises an additive and a carrier, wherein the raw materials in the formula comprise the following components in percentage by weight: 0.5-6% of cobalt acetate tetrahydrate, 10-35% of potassium hexafluorosilicate, 1-10% of potassium hexafluorozirconate, 0-3% of silane coupling agent, 0-2.5% of sodium fluoride, 5-20% of inositol phosphate, 10-20% of deionized water and 30-60% of catalyst.)

1. The passivation solution suitable for aluminum alloy surface passivation comprises an additive and a carrier, and is characterized in that the passivation solution comprises the following raw materials in percentage by weight: 0.5-6% of cobalt acetate tetrahydrate, 10-35% of potassium hexafluorosilicate, 1-10% of potassium hexafluorozirconate, 0-3% of a silane coupling agent, 0-2.5% of sodium fluoride, 5-20% of inositol phosphate, 10-20% of deionized water and 30-60% of a catalyst.

2. The passivation solution suitable for aluminum alloy surface passivation according to claim 1, characterized in that the raw materials in the formula comprise, in weight percent: 0.5% of cobalt acetate tetrahydrate, 10% of potassium hexafluorosilicate, 1% of potassium hexafluorozirconate, 1% of a silane coupling agent, 1% of sodium fluoride, 5% of cyclohexanehexol phosphate, 10% of deionized water and 30% of a catalyst.

3. The passivation solution suitable for aluminum alloy surface passivation according to claim 1, characterized in that the raw materials in the formula comprise, in weight percent: 6% of cobalt acetate tetrahydrate, 35% of potassium hexafluorosilicate, 10% of potassium hexafluorozirconate, 3% of a silane coupling agent, 2.5% of sodium fluoride, 20% of cyclohexanehexol phosphate, 20% of deionized water and 60% of a catalyst.

4. The passivation solution suitable for aluminum alloy surface passivation according to claim 1, characterized in that the raw materials in the formula comprise, in weight percent: 4% of cobalt acetate tetrahydrate, 23% of potassium hexafluorosilicate, 5% of potassium hexafluorozirconate, 1.5% of a silane coupling agent, 1.25% of sodium fluoride, 13% of cyclohexanehexol phosphate, 15% of deionized water and 45% of a catalyst.

Technical Field

The invention discloses a passivation solution suitable for surface passivation of aluminum alloy.

Background

The aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, and is widely applied to aviation, aerospace, automobiles, mechanical manufacturing, ships and chemical industry, passivation treatment of the surface of the aluminum alloy is a main component in the field of aluminum alloy surface treatment, passivation treatment of the surface of the aluminum alloy can also be called as anticorrosion treatment of the surface of the aluminum alloy, and in the prior art, most of surface passivation materials of the aluminum alloy have extremely strong toxicity, can cause harm to human bodies to a certain extent, and even threaten life safety.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the passivation solution suitable for surface passivation of the aluminum alloy, which has the advantages of wide raw material source, low cost, stable bath solution, difficult slag deposition, safe and environment-friendly components, no influence on various reprocessing performances of the aluminum alloy metal product in the later period, suitability for surface treatment of the aluminum alloy metal product, convenience, practicability and suitability for popularization and application.

In order to achieve the purpose, the invention is realized by the following technical scheme: the passivation solution suitable for aluminum alloy surface passivation comprises the following raw materials in percentage by weight: 0.5-6% of cobalt acetate tetrahydrate, 10-35% of potassium hexafluorosilicate, 1-10% of potassium hexafluorozirconate, 0-3% of a silane coupling agent, 0-2.5% of sodium fluoride, 5-20% of inositol phosphate, 10-20% of deionized water and 30-60% of a catalyst.

Has the advantages that: the product prepared by the method has the advantages of wide raw material source and low cost, stable bath solution, difficult occurrence of sediment, safe and environment-friendly components, no influence on various reprocessing performances of the aluminum alloy metal product in the later period, suitability for surface treatment of the aluminum alloy metal product, convenience, practicability and suitability for popularization and application.

Detailed Description