CN105420710B - 一种用于铝型材表面处理的金色无铬钝化液 - Google Patents

一种用于铝型材表面处理的金色无铬钝化液 Download PDF

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CN105420710B
CN105420710B CN201510782779.1A CN201510782779A CN105420710B CN 105420710 B CN105420710 B CN 105420710B CN 201510782779 A CN201510782779 A CN 201510782779A CN 105420710 B CN105420710 B CN 105420710B
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刘崴崴
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Shanghai Wei Yu new Mstar Technology Ltd
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    • C23C22/34—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 fluorides or complex fluorides
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    • 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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    • 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
    • C23C22/07—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 phosphates
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    • 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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    • 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
    • C23C22/56—Treatment of aluminium or alloys based thereon

Abstract

本发明公开一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物、无机酸、有机酸和表面活性剂混合而成。本发明在取代了污染严重的六价铬钝化的同时，保留了钝化膜的金色属性，使铝型材工厂的生产和质检都更加方便，进一步推动中国的无铬钝化替代六价铬钝化的进程。

Description

一种用于铝型材表面处理的金色无铬钝化液
技术领域
本发明属于铝型材的表面处理领域，涉及一种金色无铬钝化液，具体是由水，含铈化合物，无机酸，有机酸，表面活性剂混合而成。
背景技术
铝型材在制造过程中，喷漆或者喷粉末涂料之前，必须进行表面处理(通常称之为前处理)，以增加附着力和防腐性能。
具体的前处理流程如下：
铝型材的前处理会产生废水。铝型材前处理的传统工艺的钝化是六价铬(Cr6+)钝化，但是六价铬作为剧毒化学品，对生产操作人员和生态环境都有巨大的污染。中国在六价铬钝化的废水处理中明确规定，六价铬的含量不能超过0.5ppm。欧美发达国家则在2007年禁止使用六价铬钝化铝制品。中国国家环保总局也在2008年把六价铬钝化列入双高(高污染，高环境风险)的淘汰名录。发达国家更是禁止使用和进口铬钝化的制品。很多国家和地区开始研发使用无铬钝化产品和工艺，德国企业凯密特尔和汉高在这一领域处于领先地位。
然而，六价铬钝化的一大优势是可见性，钝化以后，铝型材表面形成肉眼可见的金色钝化膜，工人和技术人员很容易区分钝化前后的铝型材产品以及钝化膜的完整性，确保产品的质量。而无铬钝化的钝化膜是无色透明的，没有可见性，只能用专用的指示剂滴定，检测困难，容易发生镀膜不完全，影响钝化效果。
发明内容
本发明的目的是一种用于铝型材表面处理的金色无铬钝化液。其特点是取代污染严重的六价铬钝化的同时，保留了钝化膜的金色属性，使铝型材工厂的生产和质检都更加方便，进一步推动中国的无铬钝化替代六价铬钝化的进程。
为实现上述目的，本发明可通过以下技术方案予以实现：
本发明的一种用于铝型材表面处理的金色无铬钝化液，所述钝化液由水、含铈化合物、无机酸、有机酸和表面活性剂混合而成。
作为优选的技术方案：
本发明所述的一种用于铝型材表面处理的金色无铬钝化液，所述含铈化合物的质量百分比为0.01-1％，所述无机酸的质量百分比为0.5-20％，所述有机酸的质量百分比为0.5-10％，所述表面活性剂的质量百分比为0.5-5％，所述水的质量百分比为74-98.49％。
本发明所述的一种用于铝型材表面处理的金色无铬钝化液，所述含铈化合物是六硝酸合含铈化合物，为铈铵盐，硼化铈，氟化铈，硫化铈，溴化铈，碘化铈，硫酸铈，硝酸铈，磷酸铈，碳酸铈，草酸铈，辛酸铈，甲酸铈，乙酸铈，偏硅酸铈中的一种或几种。
本发明所述的一种用于铝型材表面处理的金色无铬钝化液，所述无机酸是氟锆酸，硝酸，盐酸，硫酸，磷酸，氢氟酸，氟钛酸中的一种或几种。
本发明所述的一种用于铝型材表面处理的金色无铬钝化液，所述有机酸是甲酸，乙酸，己二酸，丁二酸，草酸，对苯二甲酸中的一种或几种。
本发明所述的一种用于铝型材表面处理的金色无铬钝化液，所述表面活性剂是十二烷基苯磺酸钠，十二烷基硫酸钠，脂肪醇聚氧乙烯醚，烷基聚氧乙烯硫酸钠中的一种或几种。
有益效果
由于采用以上技术方案，本发明的一种用于铝型材表面处理的金色无铬钝化液，取代污染严重的六价铬钝化的同时，保留了钝化膜的金色属性，使铝型材工厂的生产和质检都更加方便，进一步推动中国的无铬钝化替代六价铬钝化的进程。
具体实施方式
下面结合具体实施方式，进一步阐述本发明。应理解，这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解，在阅读了本发明讲授的内容之后，本领域技术人员可以对本发明作各种改动或修改，这些等价形式同样落于本申请所附权利要求书所限定的范围。
实施例1
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物铈铵盐、无机酸氟锆酸、有机酸甲酸和表面活性剂十二烷基苯磺酸钠混合而成，铈铵盐的质量百分比为0.01％，氟锆酸的质量百分比为0.5％，甲酸的质量百分比为0.5％，十二烷基苯磺酸钠的质量百分比为0.5％，水的质量百分比为98.49％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例2
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物硼化铈、无机酸硝酸、有机酸乙酸和表面活性剂十二烷基硫酸钠混合而成，硼化铈的质量百分比为1％，硝酸的质量百分比为10％，乙酸的质量百分比为10％，十二烷基硫酸钠的质量百分比为5％，水的质量百分比为74％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例3
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物氟化铈、无机酸盐酸、有机酸己二酸和表面活性剂脂肪醇聚氧乙烯醚混合而成，氟化铈的质量百分比为0.02％，盐酸的质量百分比为20％，己二酸的质量百分比为0.5％，脂肪醇聚氧乙烯醚的质量百分比为0.5％，水的质量百分比为79.48％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例4
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物硫化铈、无机酸硫酸、有机酸丁二酸和表面活性剂烷基聚氧乙烯硫酸钠混合而成，硫化铈的质量百分比为0.05％，硫酸的质量百分比为5％，丁二酸的质量百分比为5％，烷基聚氧乙烯硫酸钠的质量百分比为0.6％，水的质量百分比为89.35％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例5
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物溴化铈、无机酸磷酸、有机酸草酸和表面活性剂十二烷基苯磺酸钠混合而成，溴化铈的质量百分比为0.02％，磷酸的质量百分比为8％，草酸的质量百分比为0.9％，十二烷基苯磺酸钠的质量百分比为2％，水的质量百分比为89.08％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例6
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物碘化铈、无机酸氢氟酸、有机酸对苯二甲酸和表面活性剂十二烷基硫酸钠混合而成，碘化铈的质量百分比为0.06％，氢氟酸的质量百分比为6％，对苯二甲酸的质量百分比为8％，十二烷基硫酸钠的质量百分比为0.8％，水的质量百分比为85.14％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例7
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物硫酸铈、无机酸氟钛酸、有机酸甲酸和表面活性剂脂肪醇聚氧乙烯醚混合而成，硫酸铈的质量百分比为0.05％，氟钛酸的质量百分比为15％，甲酸的质量百分比为1％，脂肪醇聚氧乙烯醚的质量百分比为0.5％，水的质量百分比为83.45％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例8
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物硝酸铈、无机酸氟锆酸、有机酸乙酸和表面活性剂脂肪醇聚氧乙烯醚混合而成，硝酸铈的质量百分比为0.09％，氟锆酸的质量百分比为3％，乙酸的质量百分比为2％，脂肪醇聚氧乙烯醚的质量百分比为0.8％，水的质量百分比为94.11％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例9
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物磷酸铈、无机酸硝酸、有机酸己二酸和表面活性剂十二烷基苯磺酸钠混合而成，含铈化合物的质量百分比为0.05％，硝酸的质量百分比为12％，己二酸的质量百分比为6％，十二烷基苯磺酸钠的质量百分比为2％，水的质量百分比为79.95％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例10
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物碳酸铈、无机酸盐酸、有机酸丁二酸和表面活性剂十二烷基硫酸钠混合而成，含铈化合物的质量百分比为1％，盐酸的质量百分比为0.8％，丁二酸的质量百分比为8％，十二烷基硫酸钠的质量百分比为4％，水的质量百分比为86.2％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例11
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物草酸铈、无机酸氟锆酸和硝酸、有机酸甲酸和表面活性剂烷基聚氧乙烯硫酸钠混合而成，其中氟锆酸和硝酸的质量比为1∶1，草酸铈的质量百分比为0.06％，氟锆酸和硝酸的质量百分比为12％，甲酸的质量百分比为4％，烷基聚氧乙烯硫酸钠的质量百分比为2％，水的质量百分比为81.94％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例12
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物辛酸铈、无机酸硫酸和磷酸、有机酸甲酸和乙酸，及表面活性剂十二烷基苯磺酸钠混合而成，其中硫酸和磷酸的质量比为2∶1，甲酸和乙酸的质量比为1∶2，辛酸铈的质量百分比为0.07％，硫酸和磷酸的质量百分比为13％，甲酸和乙酸的质量百分比为6％，十二烷基苯磺酸钠的质量百分比为1％，水的质量百分比为79.93％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例13
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物甲酸铈、无机酸硫酸、有机酸对苯二甲酸和表面活性剂十二烷基苯磺酸钠和十二烷基硫酸钠混合而成，其中十二烷基苯磺酸钠和十二烷基硫酸钠的质量比为1∶1，甲酸铈的质量百分比为0.07％，硫酸的质量百分比为6％，对苯二甲酸的质量百分比为5％，十二烷基苯磺酸钠和十二烷基硫酸钠的质量百分比为3％，水的质量百分比为85.93％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例14
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物乙酸铈、无机酸氟钛酸、有机酸对苯二甲酸和表面活性剂十二烷基苯磺酸钠，十二烷基硫酸钠和脂肪醇聚氧乙烯醚混合而成，其中十二烷基苯磺酸钠，十二烷基硫酸钠和脂肪醇聚氧乙烯醚的质量比为1∶1∶2，乙酸铈的质量百分比为1％，氟钛酸的质量百分比为14％，对苯二甲酸的质量百分比为6％，十二烷基苯磺酸钠，十二烷基硫酸钠和脂肪醇聚氧乙烯醚的质量百分比为5％，水的质量百分比为74％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例15
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物偏硅酸铈、无机酸氢氟酸和氟钛酸、有机酸草酸和表面活性剂十二烷基苯磺酸钠混合而成，其中，氢氟酸和氟钛酸的质量比为2∶1，偏硅酸铈的质量百分比为0.05％，氢氟酸和氟钛酸的质量百分比为16％，草酸的质量百分比为3％，十二烷基苯磺酸钠的质量百分比为2％，水的质量百分比为78.95％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。
实施例16
一种用于铝型材表面处理的金色无铬钝化液，钝化液由水、含铈化合物铈铵盐和硼化铈、无机酸氟钛酸、有机酸甲酸和表面活性剂十二烷基苯磺酸钠混合而成，其中，铈铵盐和硼化铈的质量比为2∶1，铈铵盐和硼化铈的质量百分比为1％，氟钛酸的质量百分比为18％，甲酸的质量百分比为0.6％，十二烷基苯磺酸钠的质量百分比为2％，水的质量百分比为78.4％。经实验测定，样品裸膜盐雾试验大于48h，喷漆后样品醋酸盐雾实验大于1000小时，百格测试无脱落，沸水测试无起泡无脱落。

Claims (5)

1.一种用于铝型材表面处理的金色无铬钝化液，其特征是：所述钝化液由水、含铈化合物、无机酸、有机酸和表面活性剂混合而成；所述含铈化合物的质量百分比为0.01-1％，所述无机酸的质量百分比为0.5-20％，所述有机酸的质量百分比为0.5-10％，所述表面活性剂的质量百分比为0.5-5％，所述水的质量百分比为74-98.49％。
2.根据权利要求1所述的一种用于铝型材表面处理的金色无铬钝化液，其特征在于：所述含铈化合物为铈铵盐，硼化铈，氟化铈，硫化铈，溴化铈，碘化铈，硫酸铈，硝酸铈，磷酸铈，碳酸铈，草酸铈，辛酸铈，甲酸铈，乙酸铈，偏硅酸铈中的一种或几种。
3.根据权利要求1所述一种用于铝型材表面处理的金色无铬钝化液，其特征在于：所述无机酸是氟锆酸，硝酸，盐酸，硫酸，磷酸，氢氟酸，氟钛酸中的一种或几种。
4.根据权利要求1所述的一种用于铝型材表面处理的金色无铬钝化液，其特征在于：所述有机酸是甲酸，乙酸，己二酸，丁二酸，草酸，对苯二甲酸中的一种或几种。
5.根据权利要求1所述的一种用于铝型材表面处理的金色无铬钝化液，其特征在于：所述表面活性剂是十二烷基苯磺酸钠，十二烷基硫酸钠，脂肪醇聚氧乙烯醚，烷基聚氧乙烯硫酸钠中的一种或几种。
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CN106435549B (zh) * 2016-11-23 2019-03-01 陕西省石油化工研究设计院 一种钢铁表面钝化处理液
CN107699882A (zh) * 2017-09-27 2018-02-16 荆门市拓达科技有限公司 一种含烯土铈抗锈金属处理液及其制备方法
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CN107858674A (zh) * 2017-11-14 2018-03-30 蚌埠市嘉实机电设备制造有限公司 一种无机酸钝化液
CN107805801A (zh) * 2017-12-08 2018-03-16 安徽雷萨重工机械有限公司 一种铝合金表面用钝化液
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