CN108754475A - 一种环保型蓝白色钝化液及其制备方法 - Google Patents
一种环保型蓝白色钝化液及其制备方法 Download PDFInfo
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 32
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims abstract description 32
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000008367 deionised water Substances 0.000 claims abstract description 29
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 29
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004317 sodium nitrate Substances 0.000 claims abstract description 16
- 235000010344 sodium nitrate Nutrition 0.000 claims abstract description 16
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 claims abstract description 16
- 239000001211 (E)-4-phenylbut-3-en-2-one Substances 0.000 claims abstract description 15
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 15
- 229930008407 benzylideneacetone Natural products 0.000 claims abstract description 15
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 15
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 15
- BWHOZHOGCMHOBV-BQYQJAHWSA-N trans-benzylideneacetone Chemical compound CC(=O)\C=C\C1=CC=CC=C1 BWHOZHOGCMHOBV-BQYQJAHWSA-N 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 13
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims abstract description 12
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005864 Sulphur Substances 0.000 claims abstract description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 150000002576 ketones Chemical class 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- -1 succinic acid, benzal Chemical class 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000011651 chromium Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052804 chromium Inorganic materials 0.000 abstract description 5
- 239000002932 luster Substances 0.000 abstract description 5
- 239000007769 metal material Substances 0.000 abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011701 zinc Substances 0.000 abstract description 3
- 229910052725 zinc Inorganic materials 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000007747 plating Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000009713 electroplating Methods 0.000 description 6
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000001384 succinic acid Substances 0.000 description 3
- 239000011592 zinc chloride Substances 0.000 description 3
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical group O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 2
- HIRWGWMTAVZIPF-UHFFFAOYSA-N nickel;sulfuric acid Chemical compound [Ni].OS(O)(=O)=O HIRWGWMTAVZIPF-UHFFFAOYSA-N 0.000 description 2
- 239000011775 sodium fluoride Substances 0.000 description 2
- 235000013024 sodium fluoride Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000001967 indiganyl group Chemical group [H][In]([H])[*] 0.000 description 1
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- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
-
- 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
- C23C22/06—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 using aqueous acidic solutions with pH less than 6
- C23C22/48—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 using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
Abstract
本发明公开一种环保型蓝白色钝化液及其制备方法,属于金属材料表面处理技术领域。本发明钝化液的组成为:硅酸钠4~8g/L、硝酸钠23~27g/L、硫酸镍1~5 g/L、三氯化钛3~7 mL/L、双氧水8~12 mL/L、丁二酸3~7 g/L、苄叉丙酮0.35~0.45 g/L、硫脲1~3g/L、其余为去离子水,pH值为0.5~1.5;该钝化液的制备方法将硅酸钠溶解在去离子水中,然后依次加入硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲并混合均匀,加去离子水定容到所需体积,采用硫酸调节pH值为0.5~1.5即得硅酸盐蓝白钝化液。该钝化液处理后的锌镀层钝化膜为蓝白色,色彩鲜艳,成膜均匀,耐蚀性能优良,并且钝化液中不含三价铬、六价铬及其它有害物质,环保无污染,钝化工艺简单,钝化效率高,膜层耐蚀性好。
Description
技术领域
本发明涉及一种环保型蓝白色钝化液及其制备方法,属金属材料表面处理技术领域。
背景技术
电镀在金属材料保护领域是不可或缺。电镀是利用电解,在制件表面形成均匀、致密、结合良好的金属或合金沉积层,将保护的制件与腐蚀介质隔开,从而达到防腐的效果,这种材料保护的方法操作简单,设备廉价,因此被广泛应用。但如果镀层不进行很好的后处理镀层表面很快就会变暗,并相继出现白色腐蚀产物,从而达不到保护制件的效果。因此,为了提高制件的耐蚀性,一般都会在镀完件后进行钝化处理,使镀层表面形成一层钝化膜。
目前蓝白色钝化体系中主要应用的是钼酸盐体系和三价铬体系。钼酸盐体系木有良好的延缓腐蚀的作用,低毒,但对钝化层厚度要求太高,并且成本也高;三价铬体系,三价铬是重污染金属,对环境会造成破坏,不符合我国的国情,应用前景不好。
申请号为201710618017.7的专利申请文件 “一种硅酸盐蓝白钝化液及其制备方法”中提供了一种硅酸盐蓝白钝化液,硅酸盐蓝白钝化液含有氟化钠物质,氟化钠与酸类反应会产生有腐蚀性、刺激性更强的氢氟酸,具有较强的腐蚀性并且污染环境。
发明内容
本发明为了克服现有的硅酸盐钝化液技术的不足,提供一种环保型蓝白色钝化液,该钝化液的组分为:硅酸钠4~8g/L、硝酸钠23~27g/L、硫酸镍1~5 g/L、三氯化钛3~7 mL/L、双氧水8~12 mL/L、丁二酸3~7 g/L、苄叉丙酮0.35~0.45 g/L、硫脲1~3g/L、其余为去离子水,pH值为0.5~1.5。
本发明环保型蓝白色钝化液的配制方法为:将硅酸钠溶解在去离子水中,然后依次加入硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲并混合均匀,加去离子水定容到所需体积,采用硫酸调节pH值为0.5~1.5即得环保型蓝白色钝化液。
本发明所述硅酸钠、硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲均为市售分析纯化学试剂。
所述环保型蓝白色钝化液可以用于钢铁件镀锌后处理工艺,使用本钝化液进行处理后的锌镀层钝化膜为蓝白色,色彩鲜艳,成膜均匀,耐蚀性能优良,钝化效率高,膜层耐蚀性好。
使用本发明的环保型蓝白色钝化液对电镀锌及热镀锌材料进行钝化处理的方法为:将经过电镀锌的材料(常规方法得到)用水清洗干净,按常规方法进行出光处理后,取出材料水洗,再将材料浸入所述环保型蓝白色钝化液中,室温下浸泡 40~55秒后,取出并用水清洗后,干燥即可。
所述出光处理(常规方法)为:将电镀后的材料放入由HNO3和H2O组成的出光液中,于室温下浸泡5秒后,取出即可,其中出光液为:质量浓度为3%的HNO3溶液。
所述经镀锌、出光和钝化后的材料的清洗方法为:去离子水冲洗,或者在装有去离子水的槽中或烧杯中漂洗,直至将镀件表面清洗干净为宜。
所述经钝化后的镀锌材料的干燥方法为:自然晾干、用吹风机吹干或用恒温箱60℃恒温烘干。
本发明所涉及各个工艺过程中所使用的水均为去离子水。
本发明的有益效果为:
(1)本发明的环保型蓝白色钝化液可以用于金属材料制件电镀后处理工艺,使用该钝化液进行处理后的镀层钝化膜为蓝白色,成膜均匀,有很好的耐蚀性,钝化效率高,膜层耐蚀性好;
(2)经本发明钝化液处理得到的钝化膜,耐蚀性优良,经中性盐雾试验出现白锈时间达98h以上;
(3)本发明钝化液中不含铬等有毒物质,克服了铬酸盐钝化技术毒性大、污染环境等缺点,可实现电镀产品的清洁生产;
(4)本发明钝化液的钝化处理工艺简单,钝化时间短,钝化效率高,膜层厚度均匀。
具体实施方式
下面结合具体实施方式对本发明作进一步详细说明,但本发明的保护范围并不限于所述内容。
实施例1:本实施例环保型蓝白色钝化液的组分为硅酸钠4g/L、硝酸钠23g/L、硫酸镍1 g/L、三氯化钛3 mL/L、双氧水8 mL/L、丁二酸3g/L、苄叉丙酮0.35g/L、硫脲1g/L其余为水,pH值为0.5;
本实施例环保型蓝白色钝化液的配制方法为:按照上述组分称取硅酸钠、硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲,将硅酸钠溶解在去离子水中,然后依次加入硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲并混合均匀,加去离子水定容到所需体积,采用硫酸调节pH值为0.5即得环保型蓝白色钝化液;
本实施例制备得到的钝化液用于钝化电镀锌钢板:
(1)所述电镀锌钢板经下列方法得到:将 40mm*50mm*1 .0mm的低碳钢板在进行电镀之前按常规进行除锈、除油、活化等前处理后,放入常规电镀液中进行电镀处理,镀锌处理工艺的镀液组成及操作条件为:ZnCl2 70g/L、KCl 175 g/L、硼酸30g/L、光亮剂0.5ml/L、柔软剂17ml/L、镀液的pH值为5.6,电流密度为 1.5 A/dm2,温度为室温,电镀时间为20分钟,得电镀锌钢板;
(2)配制出光液:将化学纯的HNO3与去离子水配制成浓度为3%的出光液;
(3)将步骤(1)得到的电镀锌钢板用去离子水清洗干净后浸入步骤(2)中得到的出光液中,室温下停留5秒,取出后用去离子水清洗干净,再浸入钝化液中,室温下浸泡40秒后,取出,经去离子水清洗干净后用吹风机吹干;
经钝化液处理后的钢板为蓝白色,色彩鲜艳,成膜均匀,钝化效率高,膜层耐蚀性好,经5%CuSO4测试,钝化膜完全变黑时间超过75s,经中性盐雾试验出现白锈时间为98.1小时。
实施例2:本实施例环保型蓝白色钝化液的组分为硅酸钠6g/L、硝酸钠25g/L、硫酸镍3g/L、三氯化钛5mL/L、双氧水10mL/L、丁二酸5g/L、苄叉丙酮0.4g/L、硫脲2g/L、其余为水,pH值为1.0;
本实施例环保型蓝白色钝化液的配制方法为:按照上述组分称取硅酸钠、硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲,将硅酸钠溶解在去离子水中,然后依次加入硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲并混合均匀,加去离子水定容到所需体积,采用硫酸调节pH值为1即得环保型蓝白色钝化液;
本实施例制备得到的钝化液用于钝化电镀锌钢板:
(1)所述电镀锌钢板经下列方法得到:将 40mm*50mm*1 .0mm的低碳钢板在进行电镀之前按常规进行除锈、除油、活化等前处理后,放入常规电镀液中进行电镀处理,镀锌处理工艺的镀液组成及操作条件为:ZnCl2 70g/L、KCl 175 g/L、硼酸30g/L、光亮剂0.5ml/L、柔软剂17ml/L、镀液的pH值为5.6,电流密度为 1.5 A/dm2,温度为室温,电镀时间为20分钟,得电镀锌钢板;
(2)配制出光液:将化学纯的HNO3与去离子水配制成浓度为3%的出光液;
(3)将步骤(1)得到的电镀锌钢板用去离子水清洗干净后浸入步骤(2)中得到的出光液中,室温下停留5秒,取出后用去离子水清洗干净,再浸入钝化液中,室温下浸泡50秒后,取出,经去离子水清洗干净后用吹风机吹干;
经钝化液处理后的钢板为蓝白色,色彩鲜艳,成膜均匀,钝化效率高,膜层耐蚀性好,经5%CuSO4测试,钝化膜完全变黑时间超过85s,经中性盐雾试验出现白锈时间为99.2小时。
实施例3:本实施例环保型蓝白色钝化液的组分为硅酸钠8g/L、硝酸钠27g/L、硫酸镍5g/L、三氯化钛7mL/L、双氧水12mL/L、丁二酸7g/L、苄叉丙酮0.45g/L、硫脲3g/L、其余为去离子水,pH值为1.5;
本实施例环保型蓝白色钝化液的配制方法为:按照上述组分称取硅酸钠、硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲,将硅酸钠溶解在去离子水中,然后依次加入硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲并混合均匀,加去离子水定容到所需体积,采用硫酸调节pH值为1.5即得环保型蓝白色钝化液;
本实施例制备得到的钝化液用于钝化电镀锌钢板:
(1)所述电镀锌钢板经下列方法得到:将 40mm*50mm*1 .0mm的低碳钢板在进行电镀之前按常规进行除锈、除油、活化等前处理后,放入常规电镀液中进行电镀处理,镀锌处理工艺的镀液组成及操作条件为:ZnCl2 70g/L、KCl 175 g/L、硼酸30g/L、光亮剂0.5ml/L、柔软剂17ml/L、镀液的pH值为5.6,电流密度为 1.5 A/dm2,温度为室温,电镀时间为20分钟,得电镀锌钢板;
(2)配制出光液:将化学纯的HNO3与去离子水配制成浓度为3%的出光液;
(3)将步骤(1)得到的电镀锌钢板用去离子水清洗干净后浸入步骤(2)中得到的出光液中,室温下停留5秒,取出后用去离子水清洗干净,再浸入钝化液中,室温下浸泡55秒后,取出,经去离子水清洗干净后用吹风机吹干;
经钝化液处理后的钢板为蓝白色,色彩鲜艳,成膜均匀,钝化效率高,膜层耐蚀性好,经5%CuSO4测试,钝化膜完全变黑时间超过80s,经中性盐雾试验出现白锈时间为98.5小时。
以上对本发明的具体实施方式作了详细说明,但是本发明并不限于上述实施方式,在本领域普通技术人员所具备的知识范围内,还可以在不脱离本发明宗旨的前提下做出各种变化。
Claims (2)
1.一种环保型蓝白色钝化液,其特征在于:该钝化液的组分为硅酸钠4~8g/L、硝酸钠23~27g/L、硫酸镍1~5 g/L、三氯化钛3~7 mL/L、双氧水8~12 mL/L、丁二酸3~7 g/L、苄叉丙酮0.35~0.45 g/L、硫脲1~3g/L、其余为去离子水,pH值为0.5~1.5。
2.权利要求1所述环保型蓝白色钝化液的制备方法,其特征在于,具体步骤如下:将硅酸钠溶解在去离子水中,然后依次加入硝酸钠、硫酸镍、三氯化钛、双氧水、丁二酸、苄叉丙酮、硫脲并混合均匀,加去离子水定容到所需体积,采用硫酸调节pH值为0.5~1.5即得硅酸盐蓝白钝化液。
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