CN104328417A - 一种铝合金暖气片喷漆前钝化工艺 - Google Patents
一种铝合金暖气片喷漆前钝化工艺 Download PDFInfo
- Publication number
- CN104328417A CN104328417A CN201310310212.5A CN201310310212A CN104328417A CN 104328417 A CN104328417 A CN 104328417A CN 201310310212 A CN201310310212 A CN 201310310212A CN 104328417 A CN104328417 A CN 104328417A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- alloy radiator
- passivation
- passivation technology
- passivating solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C23C22/40—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 containing molybdates, tungstates or vanadates
- C23C22/44—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 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
-
- 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
- C23C22/73—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 characterised by the process
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明公开了一种铝合金暖气片喷漆前钝化工艺,该工艺采用的钝化液的组成为:钼酸钠6-8g/L,氟硼酸钾4-6g/L,钛酸镁3-5g/L,锆酸钠8-10g/L,水性聚氨酯16-18g/L,硼酸12-14g/L,醋酸4-6g/L,硫脲1-2g/L,余量为水;所述钝化工艺为:1)将铝合金暖气片毛坯经除油,除垢,活化并清洗干净;2)配制具有上述组份的钝化液,将钝化液加热到30-40℃,然后将其放入保温的容器中用喷涂方法将其喷涂到上经第1)步处理的铝合金暖气片毛坯上,喷枪沿暖气片毛坯表面移动,移动速度为6-8cm/s,喷涂时间为10-12秒,然后自然晾干即可。
Description
技术领域
本发明涉及表面处理技术领域,尤其涉及一种铝合金暖气片喷漆前钝化工艺。
背景技术
随着人们生活水平的提高,人们越来越追求家庭装饰装修的实用和美观,其中铝合金的暖气片外表可以喷涂各种颜色的漆以与家装的其它颜色搭配,并且由于铝的导热性能好,散热效率高,因此,铝合金制备而成的多彩的暖气片越来越受到人们的青睐。
铝合金喷漆前要进行各种预处理,其中,化学转化膜是铝表面处理中最常用的一种技术手段。化学转化膜具有一定的耐腐蚀性和良好的物理吸附能力,可大大提高铝材基体与涂层的结合力,增强铝制品的抗腐蚀能力,其处理速度快、不消耗电能、所需设备简单、处理成本低。目前,较为常见的化学转化膜的方法有三种:
1、铬化,此法于1945年由美国化学涂料公司发明,也称为阿洛丁氧化法,后由英国帝国化学公司推广使用,称阿洛克罗姆法。其主要成分为:以铬酐为氧化剂和成膜剂,加以氟化物等添加剂,成膜为致密的铬酸盐,有良好的耐腐蚀性。但是,这种方法所形成的转化膜,含有六价铬,会对人体造成严重的危害,也会对环境造成严重污染。
2、磷铬化,又称绿铬化,磷铬化早在1945年就开始使用在铝表面处理上,至今,仍在使用中。磷铬化膜源于三价铬,其主要成分为:酸性磷酸盐、酸性或碱性铬酸盐、络合剂、氟化物。这种方法与铬化方法的差别在于磷酸盐替代了铬酸盐,降低了污染,且在工艺上精简了酸性去氧化作用的工序。但是,这种方法中,磷铬化膜耐腐蚀性不如铬化膜,所以使用使到一定的限制,而且,也没有完全脱离六价铬的污染。
3、无色无铬化学转化膜法,是以氟锆酸、硝酸、硼酸为基础配方,相继开发出来的一系列转化膜法。用这种方法处理后的铝或铝合金的表面转化膜,不含铬,不会对人体和环境造成危害,但是,成膜耐腐蚀性较差。
发明内容
本发明的目的在于提出一种铝合金暖气片喷漆前钝化工艺,该工艺采用的钝化液不含铬,不会对人体和环境造成危害,并且耐腐蚀性强。
为达此目的,本发明采用以下技术方案:
一种铝合金暖气片喷漆前钝化工艺,该工艺采用的钝化液的组成为:钼酸钠6-8g/L,氟硼酸钾4-6g/L,钛酸镁3-5g/L,锆酸钠8-10g/L,水性聚氨酯16-18g/L,硼酸12-14g/L,醋酸4-6g/L,硫脲1-2g/L,余量为水;所述钝化工艺为:
1)将铝合金暖气片毛坯经除油,除垢,活化并清洗干净;
2)配制具有上述组份的钝化液,将钝化液加热到30-40℃,然后将其放入保温的容器中用喷涂方法将其喷涂到上经第1)步处理的铝合金暖气片毛坯上,喷枪沿暖气片毛坯表面移动,移动速度为6-8cm/s,喷涂时间为10-12秒,然后自然晾干即可。
本发明的有益效果为:
本发明通过对钝化液组份的调整,使得钝化速度快,因此,可以采用喷涂的方式对铝合金暖气片进行快速钝化,并且钝化后无需水洗,晾干即可,节省工序,提高效率,降低成本,因此适合于铝合金暖气片的喷漆前钝化处理。并且,本发明的钝化液无铬,安全环保。此外,将其用于对铝合金暖气片进行钝化处理时,不但可以提高材质本身的耐腐蚀性,而且会增强材质与其涂层的附着力。
具体实施方式
实施例一
一种铝合金暖气片喷漆前钝化工艺,该工艺采用的钝化液的组成为:钼酸钠6g/L,氟硼酸钾6g/L,钛酸镁3g/L,锆酸钠10g/L,水性聚氨酯16g/L,硼酸14g/L,醋酸4g/L,硫脲2g/L,余量为水;所述钝化工艺为:
1)将铝合金暖气片毛坯经除油,除垢,活化并清洗干净;
2)配制具有上述组份的钝化液,将钝化液加热到30℃,然后将其放入保温的容器中用喷涂方法将其喷涂到上经第1)步处理的铝合金暖气片毛坯上,喷枪沿暖气片毛坯表面移动,移动速度为8cm/s,喷涂时间为10秒,然后自然晾干即可。
实施例二
一种铝合金暖气片喷漆前钝化工艺,该工艺采用的钝化液的组成为:钼酸钠8g/L,氟硼酸钾4g/L,钛酸镁5g/L,锆酸钠8g/L,水性聚氨酯18g/L,硼酸12g/L,醋酸6g/L,硫脲1g/L,余量为水;所述钝化工艺为:
1)将铝合金暖气片毛坯经除油,除垢,活化并清洗干净;
2)配制具有上述组份的钝化液,将钝化液加热到40℃,然后将其放入保温的容器中用喷涂方法将其喷涂到上经第1)步处理的铝合金暖气片毛坯上,喷枪沿暖气片毛坯表面移动,移动速度为6cm/s,喷涂时间为12秒,然后自然晾干即可。
实施例三
一种铝合金暖气片喷漆前钝化工艺,该工艺采用的钝化液的组成为:钼酸钠7g/L,氟硼酸钾5g/L,钛酸镁4g/L,锆酸钠9g/L,水性聚氨酯17g/L,硼酸13g/L,醋酸5g/L,硫脲1.5g/L,余量为水;所述钝化工艺为:
1)将铝合金暖气片毛坯经除油,除垢,活化并清洗干净;
2)配制具有上述组份的钝化液,将钝化液加热到35℃,然后将其放入保温的容器中用喷涂方法将其喷涂到上经第1)步处理的铝合金暖气片毛坯上,喷枪沿暖气片毛坯表面移动,移动速度为7cm/s,喷涂时间为11秒,然后自然晾干即可。
Claims (1)
1.一种铝合金暖气片喷漆前钝化工艺,其特征在于,该工艺采用的钝化液的组成为:钼酸钠6-8g/L,氟硼酸钾4-6g/L,钛酸镁3-5g/L,锆酸钠8-10g/L,水性聚氨酯16-18g/L,硼酸12-14g/L,醋酸4-6g/L,硫脲1-2g/L,余量为水;所述钝化工艺为:
1)将铝合金暖气片毛坯经除油,除垢,活化并清洗干净;
2)配制具有上述组份的钝化液,将钝化液加热到30-40℃,然后将其放入保温的容器中用喷涂方法将其喷涂到上经第1)步处理的铝合金暖气片毛坯上,喷枪沿暖气片毛坯表面移动,移动速度为6-8cm/s,喷涂时间为10-12秒,然后自然晾干即可。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310310212.5A CN104328417A (zh) | 2013-07-22 | 2013-07-22 | 一种铝合金暖气片喷漆前钝化工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310310212.5A CN104328417A (zh) | 2013-07-22 | 2013-07-22 | 一种铝合金暖气片喷漆前钝化工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104328417A true CN104328417A (zh) | 2015-02-04 |
Family
ID=52403221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310310212.5A Pending CN104328417A (zh) | 2013-07-22 | 2013-07-22 | 一种铝合金暖气片喷漆前钝化工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104328417A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107937903A (zh) * | 2017-12-07 | 2018-04-20 | 佛山市高明高盛铝业有限公司 | 一种铝合金防腐层的制备方法 |
CN107988604A (zh) * | 2017-12-07 | 2018-05-04 | 佛山市高明高盛铝业有限公司 | 一种铝合金表面防护层的制备方法 |
-
2013
- 2013-07-22 CN CN201310310212.5A patent/CN104328417A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107937903A (zh) * | 2017-12-07 | 2018-04-20 | 佛山市高明高盛铝业有限公司 | 一种铝合金防腐层的制备方法 |
CN107988604A (zh) * | 2017-12-07 | 2018-05-04 | 佛山市高明高盛铝业有限公司 | 一种铝合金表面防护层的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103820835B (zh) | 一种铝合金型材的彩色电泳涂漆工艺 | |
CN107429404A (zh) | 用于铝合金表面处理的钛锆系有色无铬钝化液、使用其处理铝合金表面的方法及其应用 | |
CN101912839A (zh) | 一种常温印花彩色涂覆钢板的连续加工方法 | |
CN101942689A (zh) | 一种镁合金微弧氧化处理方法 | |
CN103710688A (zh) | 一种弱酸性无磷转化剂 | |
CN102220578A (zh) | 一种铝合金化学氧化液 | |
CN103320778A (zh) | 一种航空管不锈钢钝化工艺 | |
WO2016201935A1 (zh) | 一种在铝合金表面形成金黄色膜层的方法 | |
CN104388915A (zh) | 用于铝合金表面处理的锰锆系无铬钝化液及其处理方法 | |
CN104399659A (zh) | 一种镁合金基材表面涂层的制备方法 | |
CN100535185C (zh) | 镁合金之金属表面处理工艺 | |
CN104028430A (zh) | 金属粉末清洁喷涂工艺 | |
CN102877025A (zh) | 一种具有金属拉丝外观的塑料表面镀膜方法 | |
CN105442018A (zh) | 汽车铝合金零件导电氧化工艺 | |
CN106676529A (zh) | 一种1060铝合金碱性化学抛光方法及其采用的碱性化学抛光液 | |
CN104328417A (zh) | 一种铝合金暖气片喷漆前钝化工艺 | |
CN104746072A (zh) | 一种镁合金微弧离子镀表面处理方法 | |
CN101892478A (zh) | 一种铝合金化学黑色处理工艺及其用化学发黑溶液 | |
CN102234798B (zh) | 一种镁合金表面转化成膜液及其使用方法 | |
CN103087627B (zh) | 一种金属铝合金表面硅烷处理剂及其制备方法 | |
CN103924232A (zh) | 一种镁合金表面仿铜仿金的工艺方法 | |
CN105506611A (zh) | 钕铁硼产品的磷化工艺 | |
CN103866308A (zh) | 一种镜面铝板的无铬钝化前处理方法 | |
CN102534596B (zh) | 一种采用硅烷剂对金属件表面进行单独防护的工艺 | |
CN102560334A (zh) | 彩色金属制品及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150204 |