CN101063220B - A kind of zinc and zinc-iron alloy electroplating brightener - Google Patents
A kind of zinc and zinc-iron alloy electroplating brightener Download PDFInfo
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- 238000009713 electroplating Methods 0.000 title claims abstract description 47
- 229910000640 Fe alloy Inorganic materials 0.000 title claims abstract description 35
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 33
- 239000011701 zinc Substances 0.000 title claims abstract description 33
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 title claims abstract description 28
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- 239000004094 surface-active agent Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- -1 aliphatic alcohols Chemical class 0.000 claims abstract 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 21
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 3
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- 239000013543 active substance Substances 0.000 claims 3
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- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 1
- 239000004141 Sodium laurylsulphate Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 238000005282 brightening Methods 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 claims 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 15
- 239000002563 ionic surfactant Substances 0.000 abstract description 13
- 239000002736 nonionic surfactant Substances 0.000 abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 229910000831 Steel Chemical group 0.000 abstract description 9
- 239000011248 coating agent Substances 0.000 abstract description 9
- 238000000576 coating method Methods 0.000 abstract description 9
- 239000010959 steel Chemical group 0.000 abstract description 9
- 239000007859 condensation product Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 3
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- 230000000996 additive effect Effects 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 abstract description 2
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- 239000000243 solution Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 5
- 238000005246 galvanizing Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
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- 238000005260 corrosion Methods 0.000 description 3
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- 150000003751 zinc Chemical class 0.000 description 3
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910007564 Zn—Co Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
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- 150000003839 salts Chemical class 0.000 description 2
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- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- 229910020994 Sn-Zn Inorganic materials 0.000 description 1
- 229910009069 Sn—Zn Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 229910007567 Zn-Ni Inorganic materials 0.000 description 1
- 229910007614 Zn—Ni Inorganic materials 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 238000006482 condensation reaction Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
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- Electroplating And Plating Baths Therefor (AREA)
Abstract
本发明涉及一种锌及锌铁合金电镀光亮剂，主要用作钢铁零件表面电镀锌及锌铁合金的添加剂，属金属材料表面处理技术领域。该电镀光亮剂是由苄叉丙酮、表面活性剂(包括非离子型表面活性剂与离子型表面活性剂)、高级脂肪醇与环氧乙烷的缩合物、乙醇与水组成的水溶液，能够同时用于锌和锌铁合金电镀工艺，而且镀层性能与镀液性能不低于同类产品，具有工艺简单、稳定、易操作、环境友好、安全、综合成本低等优点。The invention relates to a zinc and zinc-iron alloy electroplating brightener, which is mainly used as an additive for electroplating zinc and zinc-iron alloy on the surface of iron and steel parts, and belongs to the technical field of metal material surface treatment. The electroplating brightener is an aqueous solution composed of benzylidene acetone, surfactants (including non-ionic surfactants and ionic surfactants), condensation products of higher aliphatic alcohols and ethylene oxide, ethanol and water. It is used in zinc and zinc-iron alloy electroplating process, and the coating performance and bath performance are not inferior to similar products. It has the advantages of simple process, stability, easy operation, environmental friendliness, safety and low comprehensive cost.
Description
技术领域technical field
本发明涉及一种锌及锌铁合金电镀光亮剂，可同时用作钢铁零件表面电镀锌及锌铁合金的添加剂，属金属材料表面处理技术领域。The invention relates to a zinc and zinc-iron alloy electroplating brightener, which can be used simultaneously as an additive for electroplating zinc and zinc-iron alloy on the surface of iron and steel parts, and belongs to the technical field of metal material surface treatment.
技术背景technical background
腐蚀与防腐关系到经济发展和人民生命安全，表面工程技术是解决机械零部件及材料腐蚀与防护最经济有效的手段和方法。Corrosion and anti-corrosion are related to economic development and people's life safety. Surface engineering technology is the most economical and effective means and method to solve the corrosion and protection of mechanical parts and materials.
镀锌作为钢铁的防护性镀层，得到了广泛应用。为了满足对零部件或材料性能更高要求，国内外都加大了对Zn-Fe、Zn-Ni、Sn-Zn、Zn-Co、Zn-Mn、Zn-Cr、Zn-Ti、Zn-Co-Cr、Zn-Co-Fe、Zn-Ni-P、Zn-Fe-P等锌基合金镀的研究与应用，其中锌铁合金因具有最好的性价比，已在汽车、建筑、电力等众多行业普遍应用。Galvanizing is widely used as a protective coating on steel. In order to meet the higher requirements for parts or material performance, both at home and abroad have increased the requirements for Zn-Fe, Zn-Ni, Sn-Zn, Zn-Co, Zn-Mn, Zn-Cr, Zn-Ti, Zn-Co -Research and application of zinc-based alloy plating such as Cr, Zn-Co-Fe, Zn-Ni-P, Zn-Fe-P, etc. Among them, zinc-iron alloy has the best cost performance and has been used in many industries such as automobiles, construction, and electric power Universal application.
国内外目前只有单一用于锌或锌铁合金电镀的光亮剂，尚没有能够同时用于锌和锌铁合金电镀的光亮剂，使该类光亮剂的应用受到了较大限制，也给使用者带来极大不便。如成都高新电镀环保工程研究所开发的ZF系列添加剂，对于电镀锌铁合金来说是非常好的光亮剂，但是却不能用于镀锌工艺，因此在推广及应用方面受到了较大限制。此外，现有锌或锌铁合金电镀光亮剂还存在使用工艺复杂、稳定性与安全性不好、综合成本偏高等缺点。At present, there is only a single brightener for zinc or zinc-iron alloy electroplating at home and abroad, and there is no brightener that can be used for zinc and zinc-iron alloy electroplating at the same time. Great inconvenience. For example, the ZF series additives developed by Chengdu High-tech Electroplating Environmental Protection Engineering Research Institute are very good brighteners for electrogalvanized iron alloys, but they cannot be used in the galvanizing process, so their promotion and application have been greatly restricted. In addition, existing zinc or zinc-iron alloy electroplating brighteners still have disadvantages such as complex application process, poor stability and safety, and relatively high overall cost.
发明内容Contents of the invention
本发明的目的是克服现有锌铁合金电镀光亮剂的不足，提供一种能够同时用于锌和锌铁合金电镀、工艺简单稳定、综合成本低的光亮剂。The purpose of the present invention is to overcome the shortcomings of the existing zinc-iron alloy electroplating brighteners, and provide a brightener that can be used for both zinc and zinc-iron alloy electroplating, has a simple and stable process, and has low overall cost.
本发明的技术方案是：该锌及锌铁合金电镀光亮剂是由苄叉丙酮、表面活性剂、高级脂肪醇与环氧乙烷的缩合物、乙醇与水组成的水溶液，其中苄叉丙酮的浓度为10～30g/L，表面活性剂的浓度为70～130g/L，高级脂肪醇与环氧乙烷的缩合物的浓度为80～120g/L，其余为乙醇和水，苄叉丙酮与乙醇的质量比为1：10～1：20，高级脂肪醇与环氧乙烷的质量比为1：10～1：25。The technical scheme of the present invention is: the zinc and zinc-iron alloy electroplating brightener is an aqueous solution composed of benzylidene acetone, surfactant, condensation product of higher aliphatic alcohol and ethylene oxide, ethanol and water, wherein the concentration of benzylidene acetone The concentration of the surfactant is 10-30g/L, the concentration of the surfactant is 70-130g/L, the concentration of the condensation product of higher aliphatic alcohol and ethylene oxide is 80-120g/L, the rest is ethanol and water, benzylidene acetone and ethanol The mass ratio of higher fatty alcohol to ethylene oxide is 1:10 to 1:20, and the mass ratio of higher fatty alcohol to ethylene oxide is 1:10 to 1:25.
表面活性剂包括非离子型表面活性剂与离子型表面活性剂，非离子型表面活性剂与离子型表面活性剂的质量比为3：1~10：1。非离子型表面活性剂可以是壬基酚聚氧乙烯醚、聚乙二醇、OP乳化剂中的任一种，离子型表面活性剂可以是十二烷基苯磺酸钠、十二烷基硫酸钠中的任一种，高级脂肪醇可以是十八天然脂肪醇、十六天然脂肪醇中的任一种。具体应用时，可根据实际条件和需要，具体选择给定表面活性剂和高级脂肪醇中的任一种。Surfactants include nonionic surfactants and ionic surfactants, and the mass ratio of nonionic surfactants to ionic surfactants is 3:1~10:1. The non-ionic surfactant can be any one of nonylphenol polyoxyethylene ether, polyethylene glycol, OP emulsifier, and the ionic surfactant can be sodium dodecylbenzenesulfonate, dodecyl Any one in sodium sulfate, higher fatty alcohol can be any one in octadecyl natural fatty alcohol, sixteen natural fatty alcohol. In specific applications, any one of the given surfactants and higher fatty alcohols can be specifically selected according to actual conditions and needs.
本发明中加入镀液中的锌及锌铁合金光亮剂的量，锌及锌铁合金光亮剂中苄叉丙酮、表面活性剂、高级脂肪醇与环氧乙烷的缩合物的浓度，以及苄叉丙酮与乙醇的质量比、非离子型表面活性剂与离子型表面活性剂的质量比、高级脂肪醇与环氧乙烷的质量比，都可根据实际需要，在给定范围内选定。The amount of zinc and zinc-iron alloy brightener added in the plating solution in the present invention, the concentration of benzylidene acetone, surfactant, higher aliphatic alcohol and ethylene oxide condensate in zinc and zinc-iron alloy brightener, and benzylidene acetone The mass ratio of alcohol to ethanol, the mass ratio of nonionic surfactant to ionic surfactant, and the mass ratio of higher aliphatic alcohol to ethylene oxide can all be selected within a given range according to actual needs.
本发明的锌及锌铁合金电镀光亮剂，可以采用以下工艺制备：先按10~30g/L先称量苄叉丙酮，倒入10~20倍质量的分析纯或化学纯无水乙醇中，搅拌至完全溶解后混合均匀，得到制备苄叉丙酮的无水乙醇溶液；再按80~120g/L的总量、1：10~1：25的质量比，称量高级脂肪醇与环氧乙烷并将它们混合，以无水氯化铝、无水氯化锌或硫酸为缩合剂，在室温下进行缩合反应，得到高级脂肪醇与环氧乙烷的缩合物；然后按70~130g/L的量称量表面活性剂(以3：1~10：1的质量比配比非离子型表面活性剂与离子型表面活性剂)，与制备好的高级脂肪醇与环氧乙烷缩合物一起，倒入2~4倍质量的蒸馏水或去离子水中，加热至80~90℃，搅拌至完全溶解后自然冷却；将该冷却后的溶液与苄叉丙酮的无水乙醇溶液混合均匀，最后用蒸馏水或去离子水定容至100％体积，得到锌及锌铁合金电镀光亮剂。The electroplating brightener for zinc and zinc-iron alloy of the present invention can be prepared by the following process: first weigh benzylidene acetone according to 10~30g/L, pour it into analytically pure or chemically pure absolute ethanol with 10~20 times the quality, and stir After completely dissolving, mix evenly to obtain an anhydrous ethanol solution for preparing benzylidene acetone; then weigh the higher aliphatic alcohol and ethylene oxide according to the total amount of 80~120g/L and the mass ratio of 1:10~1:25 And mix them, use anhydrous aluminum chloride, anhydrous zinc chloride or sulfuric acid as condensing agent, carry out condensation reaction at room temperature, obtain the condensate of higher fatty alcohol and ethylene oxide; then press 70~130g/L Weigh the surfactant (non-ionic surfactant and ionic surfactant in a mass ratio of 3:1~10:1), together with the prepared higher fatty alcohol and ethylene oxide condensate , pour 2 to 4 times the mass of distilled or deionized water, heat to 80 to 90 ° C, stir until completely dissolved and then cool naturally; mix the cooled solution with anhydrous ethanol solution of benzylidene acetone, and finally use Distilled water or deionized water is adjusted to 100% volume to obtain zinc and zinc-iron alloy electroplating brightener.
本光亮剂可在各种锌及锌铁合金电镀工艺流程中应用。如；镀锌工艺的镀液组成及操作条件可为：ZnCl260~120g/L、KCl160~250g/L、本发明电镀光亮剂15~30mL/L、pH值4.5~6.0、阴极电流密度1~2A/dm2、温度15~35℃。锌铁合金电镀工艺的镀液组成及操作条件可为：ZnCl260~120g/L、KCl160~250g/L、FeSO4·7H204~12g/L、抗坏血酸0.5~1.5g/L、本发明电镀光亮剂15~30mL/L、pH值3.5~5.5、阴极电流密度1~2A/dm2、温度15~35℃。该工艺可得到纯锌镀层和铁含量为0.2~0.8％(质量百分比)的锌铁合金镀层，电流效率为97~100％，沉积速率为20~30μm/h。The brightener can be applied in various zinc and zinc-iron alloy electroplating processes. Such as; the bath composition and operating conditions of the galvanizing process can be: ZnCl 2 60~120g/L, KCl160~250g/L, electroplating brightener 15~30mL/L of the present invention, pH value 4.5~6.0, cathode current density 1 ~2A/dm 2 , temperature 15~35℃. The bath composition and operating conditions of the zinc-iron alloy electroplating process can be: ZnCl 2 60-120g/L, KCl 160-250g/L, FeSO 4 7H 2 04-12g/L, ascorbic acid 0.5-1.5g/L, the electroplating method of the present invention Brightener 15~30mL/L, pH value 3.5~5.5, cathode current density 1~2A/dm 2 , temperature 15~35℃. The process can obtain pure zinc coating and a zinc-iron alloy coating with an iron content of 0.2-0.8% (mass percentage), a current efficiency of 97-100%, and a deposition rate of 20-30 μm/h.
本发明选择可同时适应锌与锌合金的物质作为其组成物，通过苄叉丙酮使镀层快速出光与整平，通过非离子型表面活性剂和离子型表面活性剂提高镀液的分散能力与扩大光亮范围(尤其是在低电流区起光亮作用)，通过高级脂肪醇与环氧乙烷缩合物和乙醇对苄叉丙酮进行乳化和增溶的作用，因此，不仅能够同时用于锌和锌铁合金电镀工艺，而且镀层性能与镀液性能不低于同类产品，此外还具有工艺简单、稳定、易操作、环境友好、安全、综合成本低等优点。The present invention selects the material that can be adapted to both zinc and zinc alloy as its composition, makes the plating layer light-emitting and leveled quickly through benzylidene acetone, and improves the dispersion ability and expansion of the plating solution through non-ionic surfactants and ionic surfactants. Bright range (especially in the low current region), emulsification and solubilization of benzylidene acetone by higher fatty alcohols, ethylene oxide condensates and ethanol, so it can not only be used for zinc and zinc-iron alloys at the same time The electroplating process, and the performance of the coating and the performance of the plating solution are not inferior to similar products. In addition, it has the advantages of simple process, stability, easy operation, environmental friendliness, safety, and low comprehensive cost.
具体实施方式Detailed ways
下面结合实施例对本发明的实质作进一步说明。Below in conjunction with embodiment the essence of the present invention will be further described.
实施例1：该锌及锌铁合金电镀光亮剂是含苄叉丙酮10g/L、乙醇150mL/L、非离子型表面活性剂聚乙二醇和离子型表面活性剂十二烷基苯磺酸钠总量为100g/L(非离子型表面活性剂聚乙二醇与离子型表面活性剂十二烷基苯磺酸钠的质量比为3：1)、载高级脂肪醇十六天然脂肪醇与环氧乙烷的缩合物100g/L(高级脂肪醇十六天然脂肪醇与环氧乙烷的质量比为1：20)的水溶液。Embodiment 1: This zinc and zinc-iron alloy electroplating brightener is to contain benzylidene acetone 10g/L, ethanol 150mL/L, nonionic surfactant polyethylene glycol and ionic surfactant sodium dodecylbenzenesulfonate The amount is 100g/L (mass ratio of non-ionic surfactant polyethylene glycol to ionic surfactant sodium dodecylbenzenesulfonate is 3:1), loaded with higher fatty alcohol cetyl natural fatty alcohol and cyclic Condensate of ethylene oxide 100g/L (mass ratio of higher fatty alcohol cetyl natural fatty alcohol to ethylene oxide is 1:20) aqueous solution.
该锌及锌铁合金电镀光亮剂用于对钢板进行局部镀锌中。将钢板在进行电镀之前进行除锈、除油、活化等前处理后，放入ZnCl280g/L、KCl200g/L、本发明电镀光亮剂20mL/L、pH值为在5.5的电镀液中进行电镀，控制电流密度为1.2A/dm2、室温下电镀25分钟后取出，得到外观均匀光亮的锌镀层，然后进行常规硅酸盐蓝白钝化处理，经中性盐雾试验出白锈时间超过100小时。The zinc and zinc-iron alloy electroplating brightener is used for partial galvanizing of steel plates. After the steel plate is subjected to pretreatments such as rust removal, degreasing, and activation before electroplating, it is placed in an electroplating solution with 80g/L of ZnCl 2 , 200g/L of KCl, 20mL/L of the electroplating brightener of the present invention, and a pH value of 5.5. Electroplating, control the current density at 1.2A/dm 2 , take it out after 25 minutes of electroplating at room temperature, and obtain a zinc coating with a uniform and bright appearance, and then perform conventional silicate blue-white passivation treatment, and the white rust time is obtained by neutral salt spray test More than 100 hours.
实施例2：该锌及锌铁合金电镀光亮剂是含苄叉丙酮30g/L、乙醇600mL/L、非离子型表面活性剂聚乙二醇和离子型表面活性剂十二烷基硫酸钠总量为130g/L(非离子型表面活性剂与离子型表面活性剂十二烷基硫酸钠的质量比为10：1)，高级脂肪醇十八天然脂肪醇与环氧乙烷的缩合物总量为120g/L(高级脂肪醇十八天然脂肪醇与环氧乙烷的质量比为1：25)的水溶液。Embodiment 2: this zinc and zinc-iron alloy electroplating brightener is to contain benzylidene acetone 30g/L, ethanol 600mL/L, nonionic surfactant polyethylene glycol and ionic surfactant sodium lauryl sulfate total amount is 130g/L (the mass ratio of non-ionic surfactant and ionic surfactant sodium lauryl sulfate is 10:1), the total amount of condensation products of higher fatty alcohol octadecyl natural fatty alcohol and ethylene oxide is 120g/L (mass ratio of higher fatty alcohol octadecyl natural fatty alcohol to ethylene oxide is 1:25) aqueous solution.
该锌及锌铁合金电镀光亮剂用于对对空压机上某钢管零部件进行整体电镀Zn-Fe合金工艺中。将钢管在进行电镀之前进行除锈、除油、活化等前处理后，放入ZnCl2100g/L、KCl230g/L、FeSO4·7H2O10g/L、抗坏血酸1.2g/L、本发明电镀光亮剂15mL/L、pH值为4的电镀液中进行电镀，控制电流密度为1.8A/dm2、室温下电镀40分钟后取出，得到外观均匀光亮的Zn-Fe合金镀层，镀层中铁含量为0.5％，镀层进行常规硅酸盐蓝白钝化处理后，经中性盐雾试验出白锈时间超过40小时，超过了空压机生产企业的质量要求(30小时即可达到国家标准)。The zinc and zinc-iron alloy electroplating brightener is used in the overall electroplating Zn-Fe alloy process for a steel pipe part on an air compressor. After the steel pipe is subjected to pretreatments such as rust removal, oil removal, and activation before electroplating, put ZnCl 2 100g/L, KCl 230g/L, FeSO 4 7H 2 O 10g/L, ascorbic acid 1.2g/L, and the electroplating light of the present invention Electroplating was carried out in an electroplating solution with a pH value of 15mL/L and a pH value of 4. The current density was controlled to be 1.8A/dm 2 . After electroplating at room temperature for 40 minutes, a Zn-Fe alloy coating with a uniform and bright appearance was obtained. The iron content in the coating was 0.5 %, after the conventional silicate blue-white passivation treatment on the coating, the white rust time is more than 40 hours in the neutral salt spray test, which exceeds the quality requirements of air compressor manufacturers (30 hours can reach the national standard).
实施例3：该锌及锌铁合金电镀光亮剂是含苄叉丙酮20g/L、乙醇200mL/L、非离子型表面活性剂OP乳化剂和离子型表面活性剂十二烷基苯磺酸钠总量为70g/L(非离子型表面活性剂OP乳化剂与离子型表面活性剂十二烷基苯磺酸钠的质量比为5：1)，高级脂肪醇十六天然脂肪醇与环氧乙烷的缩合物总量为80g/L(高级脂肪醇十六天然脂肪醇与环氧乙烷的质量比为1：10)的水溶液。Embodiment 3: this zinc and zinc-iron alloy electroplating brightener is to contain benzylidene acetone 20g/L, ethanol 200mL/L, nonionic surfactant OP emulsifier and ionic surfactant sodium dodecylbenzenesulfonate The amount is 70g/L (the mass ratio of non-ionic surfactant OP emulsifier to ionic surfactant sodium dodecylbenzenesulfonate is 5:1), higher fatty alcohol cetyl natural fatty alcohol and ethylene oxide The total amount of condensation products of alkanes is an aqueous solution of 80g/L (the mass ratio of higher fatty alcohol cetyl natural fatty alcohol to ethylene oxide is 1:10).
该锌及锌铁合金电镀光亮剂用于对钢机壳进行整体镀锌中。将钢机壳在进行电镀之前进行除锈、除油、活化等前处理后，放入ZnCl290g/L、KCl220g/L、本发明电镀光亮剂30mL/L、pH值为5的电镀液中进行电镀，控制电流密度为1.5A/dm2、室温下电镀30分钟后取出，得到外观均匀光亮的锌镀层，然后进行常规硅酸盐蓝白钝化处理，经中性盐雾试验出白锈时间超过60小时。The zinc and zinc-iron alloy electroplating brightener is used for integral galvanizing of steel casings. Put the steel casing into the electroplating solution with 90g/L ZnCl 2 , 220g/L KCl, 30mL/L electroplating brightener of the present invention and a pH value of 5 before electroplating. Conduct electroplating, control the current density at 1.5A/dm 2 , take it out after electroplating at room temperature for 30 minutes, and obtain a zinc coating with a uniform and bright appearance. Time exceeds 60 hours.
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| CN104164686B (en) * | 2014-07-22 | 2017-11-24 | 武汉钢铁有限公司 | Acid electroplating zinc solution additive and its application process |
| CN106757189A (en) * | 2015-11-23 | 2017-05-31 | 湖南衡阳新澧化工有限公司 | A kind of additive of containing sulfate and preparation method thereof |
| CN105420764A (en) * | 2015-11-24 | 2016-03-23 | 安徽天思朴超精密模具股份有限公司 | Plating solution brightener material composition and preparation method of plating solution brightener |
| CN105970256A (en) * | 2016-06-24 | 2016-09-28 | 武汉吉和昌化工科技股份有限公司 | Brightening agent electroplated with bright zinc-nickel alloys and preparation method of brightening agent |
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| US4512856A (en) * | 1979-11-19 | 1985-04-23 | Enthone, Incorporated | Zinc plating solutions and method utilizing ethoxylated/propoxylated polyhydric alcohols |
| CN1061054A (en) * | 1990-10-26 | 1992-05-13 | 哈尔滨汽轮机厂 | The manufacture method of additive for KCL galvanizing electrolyte |
| CN1162571C (en) * | 2001-12-20 | 2004-08-18 | 周益春 | Electroplasting solution for electrodeposition of bright ZnFe alloy with low Fe content from sulfate system |
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| US4093523A (en) * | 1977-02-07 | 1978-06-06 | Edward B. Wild | Bright acid zinc electroplating baths |
| US4512856A (en) * | 1979-11-19 | 1985-04-23 | Enthone, Incorporated | Zinc plating solutions and method utilizing ethoxylated/propoxylated polyhydric alcohols |
| CN1061054A (en) * | 1990-10-26 | 1992-05-13 | 哈尔滨汽轮机厂 | The manufacture method of additive for KCL galvanizing electrolyte |
| CN1162571C (en) * | 2001-12-20 | 2004-08-18 | 周益春 | Electroplasting solution for electrodeposition of bright ZnFe alloy with low Fe content from sulfate system |
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