WO2017219254A1 - Passivator, copper part and passivation treatment method therefor - Google Patents
Passivator, copper part and passivation treatment method therefor Download PDFInfo
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- WO2017219254A1 WO2017219254A1 PCT/CN2016/086622 CN2016086622W WO2017219254A1 WO 2017219254 A1 WO2017219254 A1 WO 2017219254A1 CN 2016086622 W CN2016086622 W CN 2016086622W WO 2017219254 A1 WO2017219254 A1 WO 2017219254A1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
Definitions
- the present invention relates to the field of copper surface treatment technology, and in particular to a passivating agent, a copper member and a passivation treatment method thereof.
- the surface treatment technology of the workpiece is usually applied.
- the surface treatment processes of copper, aluminum, iron and their alloys are well-established in a wide range of industries.
- most workpieces require pre-treatment before surface treatment, for example, cleaning, decontamination and degreasing, and metal parts for some applications require passivation.
- a passivating agent which is easy to use, has a good passivation effect, and a copper member passivation method and a copper member which has been subjected to passivation treatment are provided.
- a passivating agent comprising, by weight of 100 parts by weight, of the following components: 1-5 parts of sodium molybdate or potassium molybdate, 5-20 parts of ethylene glycol, 2-10 parts of benzoic acid Triazole, 2-10 parts potassium nitrate, 1-5 parts hydrogen peroxide and balance water
- a copper member passivation method comprising the steps of: formulating a passivating agent as described above; dissolving a passivating agent in water to form a passivating agent solution, and a passivating agent ratio in the passivating agent solution 5 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4; The copper piece is immersed in the passivating solution, and after a predetermined daytime treatment, the copper piece is washed and dried.
- Embodiments of the present invention provide a passivating agent for surface pretreatment of copper parts, comprising 100 parts by weight, including the following parts by weight: 1-5 parts of sodium molybdate or potassium molybdate, 5- 20 parts of ethylene glycol, 2-10 parts of benzotriazole, 2-10 parts of potassium nitrate, 1-5 parts of hydrogen peroxide and the balance water.
- the sodium molybdate or potassium molybdate is used in an amount of from 1 to 5 parts by weight, more preferably from 2 to 4 parts by weight.
- the weight fraction of the ethylene glycol is preferably 10-15 parts
- the weight fraction of the benzotriazole is preferably 4-8 parts
- the weight fraction of the potassium nitrate is preferably 4-8 parts.
- the parts by weight of the hydrogen peroxide are preferably 2-4 parts by weight.
- the passivation agent is used in a ratio of 5 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4.
- Embodiments of the present invention also provide a copper member passivation method, comprising the steps of: formulating a passivating agent as described above; dissolving the passivating agent in water to form a passivating agent solution, in the passivating agent solution The ratio of the passivating agent is 5%-20%; the copper piece is immersed in the passivating agent solution, and after a predetermined daytime treatment, the copper piece is washed and dried.
- the passivating agent ratio in the passivating agent solution is 5 ⁇ 3 ⁇ 4-20 ⁇ 3 ⁇ 4, and the predetermined turn is 5-10 minutes.
- polishing After polishing, it is passivated, then washed with water and dried. After passivation treatment, the temperature is controlled at 20 ° C - 25 ° C, that is, at room temperature. Further, pre-treatment such as degreasing and de-esterification is performed before polishing.
- the surface of the copper piece is clean and bright, does not oxidize for a long time, does not change color, and the whole passivation treatment method is simple, environmentally friendly, convenient to operate, and low in use cost.
- Embodiments of the present invention also provide a copper member that is processed by a copper member passivation method as described above.
- the ingredients are mixed in the following parts by weight (total 100 parts by weight): 1 part sodium molybdate, 5 parts ethylene glycol
- Treatment method preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, dissolving in a passivating agent
- the proportion of the passivating agent in the liquid is 20%; the copper parts are first degreased, washed with water, then polished, and after washing, the copper parts are immersed in the passivating agent solution, after 10 minutes of treatment, the copper parts are washed and dried.
- the ingredients are mixed in the following parts by weight (total amount of 100 parts by weight): 2 parts of sodium molybdate, 10 parts of ethylene glycol
- Processing method preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, wherein the ratio of the passivating agent in the passivating agent solution is 15%; the copper part is first degreased, washed, and then After polishing and washing, the copper member is immersed in the passivating solution. After 8 minutes of treatment, the copper piece is washed and dried.
- Processing method preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, wherein the ratio of the passivating agent in the passivating agent solution is 10%; the copper part is first degreased, washed, and then After polishing and washing, the copper piece is immersed in the passivating solution, and after 6 minutes of treatment, the copper piece is washed and dried.
- the ingredients are mixed in the following parts by weight (total 100 parts by weight): 5 parts potassium molybdate, 20 parts ethylene glycol
- Treatment method preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, wherein the ratio of the passivating agent in the passivating agent solution is 15%; the copper parts are first degreased, washed, and then After polishing and washing, the copper piece is immersed in the passivating solution, and after 5 minutes of treatment, the copper piece is washed and dried.
Abstract
Provided are a passivator, a copper part and a passivation treatment method therefor. The passivator is used for pre-treating the surface of a copper part, and comprises, with a total of 100 parts by weight, the following ingredients in parts by weight: 1-5 parts of sodium molybdate or potassium molybdate, 5-20 parts of ethylene glycol, 2-10 parts of benzotriazole, 2-10 parts of potassium nitrate, 1-5 parts of hydrogen peroxide and the balance of water. The surface of the copper part is clean and bright after the copper part has been subjected to firstly cleaning, polishing, and then treating with the passivator. Moreover, the surface of the copper part is kept clean and bright for a long time, and the surface will not be reoxidized and tarnished.
Description
说明书 发明名称：钝化剂、 铜件及其钝化处理方法 技术领域 Description: Inventive name: passivation agent, copper parts and passivation treatment method
[0001] 本发明涉及铜表面处理技术领域， 具体涉及一种钝化剂、 铜件及其钝化处理方 法。 [0001] The present invention relates to the field of copper surface treatment technology, and in particular to a passivating agent, a copper member and a passivation treatment method thereof.
背景技术 Background technique
[0002] 为提高产品表面性能或者外观， 通常对工件表面处理技术。 例如， 铜、 铝、 铁 及其合金的表面处理工艺深入各行各业中。 而且， 大多数工件在进行表面处理 前还需要经过预处理， 例如， 进行清洗， 除污除油， 某些用途的金属工件还需 要进行钝化处理。 [0002] In order to improve the surface properties or appearance of a product, the surface treatment technology of the workpiece is usually applied. For example, the surface treatment processes of copper, aluminum, iron and their alloys are well-established in a wide range of industries. Moreover, most workpieces require pre-treatment before surface treatment, for example, cleaning, decontamination and degreasing, and metal parts for some applications require passivation.
[0003] 一般在机械加工及电子电气行业， 铜及铜合金再抛光后需要进行钝化处理。 如 果不进行钝化处理， 抛光后的工件很容易重新氧化而失去光泽。 [0003] Generally, in the mechanical processing and electrical and electronic industries, copper and copper alloys need to be passivated after being polished. If the passivation treatment is not performed, the polished workpiece is easily reoxidized to lose its luster.
技术问题 technical problem
[0004] 有鉴于此， 提供一种使用简便， 钝化效果好的钝化剂， 以及铜件钝化方法和经 过钝化处理后制得的铜件。 [0004] In view of the above, a passivating agent which is easy to use, has a good passivation effect, and a copper member passivation method and a copper member which has been subjected to passivation treatment are provided.
问题的解决方案 Problem solution
技术解决方案 Technical solution
[0005] 一种钝化剂， 以 100重量份计， 其包括如下重量份数的成分： 1-5份钼酸钠或钼 酸钾， 5-20份乙二醇， 2-10份苯并三氮唑， 2-10份硝酸钾， 1-5份双氧水和余量水 [0005] A passivating agent comprising, by weight of 100 parts by weight, of the following components: 1-5 parts of sodium molybdate or potassium molybdate, 5-20 parts of ethylene glycol, 2-10 parts of benzoic acid Triazole, 2-10 parts potassium nitrate, 1-5 parts hydrogen peroxide and balance water
[0006] 一种铜件钝化方法， 其包括下列步骤： 配制如上所述的钝化剂； 将钝化剂溶于 水中配制成钝化剂溶液， 在钝化剂溶液中钝化剂配比为 5<¾-20<¾； 将铜件浸入钝 化剂溶液中， 经过预定吋间处理后， 水洗铜件， 干燥。 [0006] A copper member passivation method comprising the steps of: formulating a passivating agent as described above; dissolving a passivating agent in water to form a passivating agent solution, and a passivating agent ratio in the passivating agent solution 5<3⁄4-20<3⁄4; The copper piece is immersed in the passivating solution, and after a predetermined daytime treatment, the copper piece is washed and dried.
[0007] 以及， 一种铜件， 其表面通过如上所述的铜件钝化方法进行处理。 And a copper member whose surface is treated by a copper member passivation method as described above.
发明的有益效果 Advantageous effects of the invention
有益效果 Beneficial effect
[0008] 经过上述钝化剂处理后， 铜件不会重新被氧化， 长久保存光泽。
本发明的实施方式 [0008] After the above-mentioned passivating agent treatment, the copper member is not oxidized again, and the gloss is preserved for a long time. Embodiments of the invention
[0009] 以下将结合具体实施例对本发明进行详细说明。 The present invention will be described in detail below with reference to specific embodiments.
[0010] 本发明实施例提供一种钝化剂， 用于铜件表面预处理， 以 100重量份计， 包括 如下重量份数的成分： 1-5份钼酸钠或钼酸钾， 5-20份乙二醇， 2-10份苯并三氮 唑， 2- 10份硝酸钾， 1-5份双氧水和余量水。 [0010] Embodiments of the present invention provide a passivating agent for surface pretreatment of copper parts, comprising 100 parts by weight, including the following parts by weight: 1-5 parts of sodium molybdate or potassium molybdate, 5- 20 parts of ethylene glycol, 2-10 parts of benzotriazole, 2-10 parts of potassium nitrate, 1-5 parts of hydrogen peroxide and the balance water.
[0011] 具体地， 所述钼酸钠或钼酸钾的重量份数为 1-5份， 更优选为 2-4份。 所述乙二 醇的重量份数优选为 10-15份， 所述苯并三氮唑的重量份数优选为 4-8份， 所述硝 酸钾的重量份数优选为 4-8份， 所述双氧水的重量份数优选为 2-4份。 钝化剂使用 吋配比为 5<¾-20<¾。 Specifically, the sodium molybdate or potassium molybdate is used in an amount of from 1 to 5 parts by weight, more preferably from 2 to 4 parts by weight. The weight fraction of the ethylene glycol is preferably 10-15 parts, the weight fraction of the benzotriazole is preferably 4-8 parts, and the weight fraction of the potassium nitrate is preferably 4-8 parts. The parts by weight of the hydrogen peroxide are preferably 2-4 parts by weight. The passivation agent is used in a ratio of 5<3⁄4-20<3⁄4.
[0012] 在上述钝化剂中， 通过控制各成分配比平衡， 以达到较佳抛光效果。 钼酸钠或 钼酸钾、 苯并三氮唑为主要钝化成分， 乙二醇使钝化均匀， 硝酸钾、 双氧水作 为催化成分。 [0012] In the above passivating agent, a better polishing effect is achieved by controlling the balance of the respective distribution ratios. Sodium molybdate or potassium molybdate and benzotriazole are the main passivating components, and ethylene glycol makes the passivation uniform, and potassium nitrate and hydrogen peroxide are used as catalytic components.
[0013] 本发明实施例还提供一种铜件钝化方法， 其包括下列步骤： 配制如上所述的钝 化剂； 将钝化剂溶于水中配制成钝化剂溶液， 在钝化剂溶液中钝化剂配比为 5%- 20%； 将铜件浸入钝化剂溶液中， 经过预定吋间处理后， 水洗铜件， 干燥。 [0013] Embodiments of the present invention also provide a copper member passivation method, comprising the steps of: formulating a passivating agent as described above; dissolving the passivating agent in water to form a passivating agent solution, in the passivating agent solution The ratio of the passivating agent is 5%-20%; the copper piece is immersed in the passivating agent solution, and after a predetermined daytime treatment, the copper piece is washed and dried.
[0014] 具体地， 在钝化剂溶液中钝化剂配比为 5<¾-20<¾， 所述预定吋间为 5-10分钟。 [0014] Specifically, the passivating agent ratio in the passivating agent solution is 5<3⁄4-20<3⁄4, and the predetermined turn is 5-10 minutes.
进一步地， 在经过抛光后， 再钝化， 然后水洗， 干燥。 钝化处理吋， 温度控制 在 20°C-25°C， 即常温下进行处理处理。 更进一步地， 在抛光前， 先进行除油脱 酯等预处理。 Further, after polishing, it is passivated, then washed with water and dried. After passivation treatment, the temperature is controlled at 20 ° C - 25 ° C, that is, at room temperature. Further, pre-treatment such as degreasing and de-esterification is performed before polishing.
[0015] 经过上述钝化剂处理后， 铜件表面清洁光亮， 长久不氧化， 不变色， 而且整个 钝化处理方法工艺简单、 环保， 操作方便， 使用成本低。 [0015] After the above passivation agent treatment, the surface of the copper piece is clean and bright, does not oxidize for a long time, does not change color, and the whole passivation treatment method is simple, environmentally friendly, convenient to operate, and low in use cost.
[0016] 本发明实施例还提供一种铜件， 其通过如上所述的铜件钝化方法进行处理处理[0016] Embodiments of the present invention also provide a copper member that is processed by a copper member passivation method as described above.
， 使铜件形成清洁光亮的表面， 长久不氧化， 不变色。 , to make the copper parts form a clean and bright surface, long-term non-oxidation, no discoloration.
[0017] 实施例 1 [0017] Embodiment 1
[0018] 按照下列重量份数混合各成分 （总量为 100重量份） ： 1份钼酸钠， 5份乙二醇 [0018] The ingredients are mixed in the following parts by weight (total 100 parts by weight): 1 part sodium molybdate, 5 parts ethylene glycol
， 2份苯并三氮唑， 2份硝酸钾， 1份双氧水和余量水。 , 2 parts of benzotriazole, 2 parts of potassium nitrate, 1 part of hydrogen peroxide and the balance of water.
[0019] 处理方法： 配制好钝化剂； 将钝化剂溶于水中配制成钝化剂溶液， 在钝化剂溶
液中钝化剂配比为 20%; 铜件先除油， 水洗， 再经抛光， 水洗处理后， 将铜件浸 入钝化剂溶液中， 经过 10分钟处理后， 水洗铜件， 干燥。 [0019] Treatment method: preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, dissolving in a passivating agent The proportion of the passivating agent in the liquid is 20%; the copper parts are first degreased, washed with water, then polished, and after washing, the copper parts are immersed in the passivating agent solution, after 10 minutes of treatment, the copper parts are washed and dried.
[0020] 经过上述钝化剂溶液处理后， 观察工件表面， 整个表面清洁光亮， 工件半年不 氧化， 不变色。 [0020] After the above-mentioned passivating agent solution is treated, the surface of the workpiece is observed, and the entire surface is clean and bright, and the workpiece is not oxidized for half a year, and does not change color.
[0021] 实施例 2 Embodiment 2
[0022] 按照下列重量份数混合各成分 （总量为 100重量份） ： 2份钼酸钠， 10份乙二醇 [0022] The ingredients are mixed in the following parts by weight (total amount of 100 parts by weight): 2 parts of sodium molybdate, 10 parts of ethylene glycol
， 4份苯并三氮唑， 4份硝酸钾， 2份双氧水和余量水。 4 parts of benzotriazole, 4 parts of potassium nitrate, 2 parts of hydrogen peroxide and the balance of water.
[0023] 处理方法： 配制好钝化剂； 将钝化剂溶于水中配制成钝化剂溶液， 在钝化剂溶 液中钝化剂配比为 15%; 铜件先除油， 水洗， 再经抛光， 水洗处理后， 将铜件浸 入钝化剂溶液中， 经过 8分钟处理后， 水洗铜件， 干燥。 [0023] Processing method: preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, wherein the ratio of the passivating agent in the passivating agent solution is 15%; the copper part is first degreased, washed, and then After polishing and washing, the copper member is immersed in the passivating solution. After 8 minutes of treatment, the copper piece is washed and dried.
[0024] 经过上述钝化剂溶液处理后， 观察工件表面， 整个表面清洁光亮， 工件半年不 氧化， 不变色。 [0024] After the above-mentioned passivating agent solution is treated, the surface of the workpiece is observed, the entire surface is clean and bright, and the workpiece is not oxidized for half a year, and does not change color.
[0025] 实施例 3 Embodiment 3
[0026] 按照下列重量份数混合各成分 （总量为 100重量份） ： 4份钼酸钠， 15份乙二醇 [0026] The ingredients were mixed in the following parts by weight (total amount of 100 parts by weight): 4 parts of sodium molybdate, 15 parts of ethylene glycol
， 8份苯并三氮唑， 8份硝酸钾， 4份双氧水和余量水。 , 8 parts of benzotriazole, 8 parts of potassium nitrate, 4 parts of hydrogen peroxide and the balance of water.
[0027] 处理方法： 配制好钝化剂； 将钝化剂溶于水中配制成钝化剂溶液， 在钝化剂溶 液中钝化剂配比为 10%; 铜件先除油， 水洗， 再经抛光， 水洗处理后， 将铜件浸 入钝化剂溶液中， 经过 6分钟处理后， 水洗铜件， 干燥。 [0027] Processing method: preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, wherein the ratio of the passivating agent in the passivating agent solution is 10%; the copper part is first degreased, washed, and then After polishing and washing, the copper piece is immersed in the passivating solution, and after 6 minutes of treatment, the copper piece is washed and dried.
[0028] 经过上述钝化剂溶液处理后， 观察工件表面， 整个表面清洁光亮， 工件半年不 氧化， 不变色。 [0028] After the above-mentioned passivating agent solution is treated, the surface of the workpiece is observed, the entire surface is clean and bright, and the workpiece is not oxidized for half a year, and does not change color.
[0029] 实施例 4 Embodiment 4
[0030] 按照下列重量份数混合各成分 （总量为 100重量份） ： 5份钼酸钾， 20份乙二醇 [0030] The ingredients are mixed in the following parts by weight (total 100 parts by weight): 5 parts potassium molybdate, 20 parts ethylene glycol
， 10份苯并三氮唑， 10份硝酸钾， 5份双氧水和余量水。 , 10 parts of benzotriazole, 10 parts of potassium nitrate, 5 parts of hydrogen peroxide and the balance of water.
[0031] 处理方法： 配制好钝化剂； 将钝化剂溶于水中配制成钝化剂溶液， 在钝化剂溶 液中钝化剂配比为 15%; 铜件先除油， 水洗， 再经抛光， 水洗处理后， 将铜件浸 入钝化剂溶液中， 经过 5分钟处理后， 水洗铜件， 干燥。 [0031] Treatment method: preparing a passivating agent; dissolving the passivating agent in water to prepare a passivating agent solution, wherein the ratio of the passivating agent in the passivating agent solution is 15%; the copper parts are first degreased, washed, and then After polishing and washing, the copper piece is immersed in the passivating solution, and after 5 minutes of treatment, the copper piece is washed and dried.
[0032] 经过上述钝化剂溶液处理后， 观察工件表面， 整个表面清洁光亮， 工件半年不 氧化， 不变色。
需要说明的是， 本发明并不局限于上述实施方式， 根据本发明的创造精神， 本 领域技术人员还可以做出其他变化， 这些依据本发明的创造精神所做的变化， 都应包含在本发明所要求保护的范围之内。
[0032] After the above passivation agent solution is treated, the surface of the workpiece is observed, and the entire surface is clean and bright, and the workpiece is not oxidized for half a year, and does not change color. It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the inventive spirit of the present invention. These changes according to the inventive spirit of the present invention should be included in the present invention. Within the scope of the claimed invention.
Claims
[权利要求 1] 一种钝化剂， 其特征在于， 以 100重量份计， 包括如下重量份数的成 分： 1-5份钼酸钠或钼酸钾， 5-20份乙二醇， 2-10份苯并三氮唑， 2-10 份硝酸钾， 1-5份双氧水和余量水。 [Claim 1] A passivating agent comprising, by weight of 100 parts by weight, of the following components: 1-5 parts of sodium molybdate or potassium molybdate, 5-20 parts of ethylene glycol, 2 - 10 parts of benzotriazole, 2-10 parts of potassium nitrate, 1-5 parts of hydrogen peroxide and the balance water.
[权利要求 2] 如权利要求 1所述的钝化剂， 其特征在于， 所述钼酸钠或钼酸钾的重 量份数为 2-4份。 [Claim 2] The passivating agent according to claim 1, wherein the sodium molybdate or potassium molybdate is used in an amount of 2 to 4 parts by weight.
[权利要求 3] 如权利要求 1所述的钝化剂， 其特征在于， 所述乙二醇的重量份数为 1 [Claim 3] The passivating agent according to claim 1, wherein the ethylene glycol has a part by weight of 1
0-15份。 0-15 servings.
[权利要求 4] 如权利要求 1所述的钝化剂， 其特征在于， 所述苯并三氮唑的重量份 数为 4-8份。 [Claim 4] The passivating agent according to claim 1, wherein the benzotriazole is in an amount of 4 to 8 parts by weight.
[权利要求 5] 如权利要求 1所述的钝化剂， 其特征在于， 所述硝酸钾的重量份数为 4 [Claim 5] The passivating agent according to claim 1, wherein the potassium nitrate has a weight fraction of 4
-8份。 -8 servings.
[权利要求 6] 如权利要求 1所述的钝化剂， 其特征在于， 所述双氧水的重量份数为 2 [Claim 6] The passivating agent according to claim 1, wherein the hydrogen peroxide has a weight fraction of 2
-4份。 -4 parts.
[权利要求 7] 如权利要求 1所述的钝化剂， 其特征在于， 所述钝化剂使用吋的配比 [Claim 7] The passivating agent according to claim 1, wherein the passivating agent uses a ratio of ruthenium
¾5%-20%= 3⁄45%-20%=
[权利要求 8] 一种铜件钝化方法， 其包括下列步骤： 配制如权利要求 1-6任一项所 述的钝化剂； 将钝化剂溶于水中配制成钝化剂溶液， 在钝化剂溶液中 钝化剂配比为 5<¾-20<¾； 将铜件浸入钝化剂溶液中， 经过预定吋间处 理后， 水洗铜件， 干燥。 [Claim 8] A copper member passivation method comprising the steps of: formulating the passivating agent according to any one of claims 1 to 6; dissolving the passivating agent in water to prepare a passivating agent solution, The ratio of passivating agent in the passivating solution is 5<3⁄4-20<3⁄4; the copper piece is immersed in the passivating solution, and after a predetermined inter-turn treatment, the copper piece is washed and dried.
[权利要求 9] 如权利要求 8所述的铜件钝化方法， 其特征在于， 铜件预先经过清洗 ， 抛光后， 再钝化， 然后水洗干燥， 在钝化剂溶液中钝化剂配比为 10 %-15% , 所述预定吋间为 5-10分钟。 [Claim 9] The copper member passivation method according to claim 8, wherein the copper member is previously cleaned, polished, and then passivated, and then washed and dried, and the passivating agent ratio in the passivating agent solution. It is 10%-15%, and the predetermined daytime is 5-10 minutes.
[权利要求 10] 一种铜件， 其特征在于， 所述铜件表面通过如权利要求 8所述的铜件 钝化方法进行处理。
[Claim 10] A copper member, characterized in that the surface of the copper member is treated by the copper member passivation method according to claim 8.
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