The present invention discloses a stripping solution and process for removing NCVM film of glass, and glass products, which relates to the technical field of cap glass stripping. The stripping solution consists of the following components according to mass percentage: nitric acid 15-25% of 50-70%, carboxylic acid complexing agent 2-5%, aminosulfonic acid 10-15%, penetrating agent 1-3%, and the rest are water. The glass after NCVM coating and screen printing ink is stripped by using the above stripping solution at room temperature. The invention alleviates the technical problems that the traditional high temperature and strong alkaline stripping solution is easy to cause the defect of NCVM film in the stripping process, and that the screen printing ink is prone to tooth defects, pitting and other defects. The stripping solution of the invention can effectively remove NCVM film layer at room temperature, is not easy to occur back phenomenon, and does not damage the screen printing ink, avoids the problems of tooth missing and pitting of the screen printing ink, and the glass appearance after using the stripping solution is good.
【技术实现步骤摘要】
用于退除玻璃NCVM膜层的退镀液及退镀工艺和玻璃制品
本专利技术涉及盖板玻璃退镀
,具体而言,涉及一种用于退除玻璃NCVM膜层的退镀液及退镀工艺和玻璃制品。
技术介绍
随着社会的进步,2D、2.5D或3D玻璃已经应用于各种电子产品上,成为一种时尚,与传统塑料和金属手机电池盖相比,2D、2.5D或3D玻璃有轻薄、透明洁净、抗指纹、防眩光、耐刮伤和耐候性等优点。在玻璃上电镀LOGO已成为一种时尚,盖板玻璃电镀LOGO工艺包括:产品清洗—电镀NCVM—丝印油墨—退镀—清洗—检验,即先在玻璃上镀一层NCVM膜,然后丝印好图案后选择性去掉一部分,从而赋予镀膜层图案化效果,形成LOGO。NCVM膜的成分为:氧化硅、氧化铟和氧化钛等复合膜层,厚度通常在45μm左右,NCVM膜是通过NCVM(Non-ConductiveVacuumMetalize,真空不导电电镀)而成,为一种非导电的真空金属化镀膜制程,NCVM采用特殊金属,采用该工艺不仅使镀上的薄膜具有金属光泽,而且该薄膜具备非导电性质,不容易干扰信号,采用镀出金属及绝缘化合物等薄膜,利用各相不连续之特性,达到最终产品外观有金属质感且不影响到无线通讯传输的效果。传统对于NCVM膜层的退除采用的是强碱性的退镀液,而且在退镀时往往需要在较高温度下进行,但使用高温、强碱性退镀液在退镀过程中容易对产品电镀LOGO(NCVM膜层)造成过退,丝印油墨容易出现牙缺、麻点等问题,影响产品外观质量。有鉴于此,特提出本专利技术。
技术实现思路
本专利技术的目的之一在于提供一种用于退除玻璃NCVM膜层的退镀液,该退镀液在常温即可有效退除N ...
【技术保护点】
1.一种用于退除玻璃NCVM膜层的退镀液,其特征在于,所述退镀液按质量百分含量包括如下组分:50‑70%浓度的硝酸15~25%,羧基酸类络合剂2~5%,氨基磺酸10~15%,渗透剂1~3%,其余为水。
【技术特征摘要】
1.一种用于退除玻璃NCVM膜层的退镀液,其特征在于,所述退镀液按质量百分含量包括如下组分:50-70%浓度的硝酸15~25%,羧基酸类络合剂2~5%,氨基磺酸10~15%,渗透剂1~3%,其余为水。2.按照权利要求1所述的用于退除玻璃NCVM膜层的退镀液,其特征在于,所述退镀液按质量百分含量包括如下组分:50-70%浓度的硝酸20~25%,羧基酸类络合剂2~5%,氨基磺酸12~15%,渗透剂1~3%,其余为水。3.按照权利要求1所述的用于退除玻璃NCVM膜层的退镀液,其特征在于,所述退镀液按质量百分含量包括如下组分50-70%浓度的硝酸20~25%,羧基酸类络合剂3~5%,氨基磺酸12~14%,渗透剂1~2%,其余为水。4.按照权利要求1-3任一项所述的用于退除玻璃NCVM膜层的退镀液,其特征在于,所述羧基酸类络合剂选自柠檬酸、草酸、酒石酸、葡萄糖酸或乙醇酸中的一种或几种,优选柠檬酸。5.按照权利要求1-3任一项所述的用于退除玻璃NCVM膜层的退镀液,其特征在于,所述退镀液还包括:羧基酸类络合剂对应的可溶性盐;羧基酸类络合剂对应的可溶性盐的质量百分含量为0.5~1%,优选0.6~1%,进一步优选0.8~1%...
【专利技术属性】
技术研发人员:周群飞,蔡杰勇,亢德凯,
申请(专利权)人:蓝思科技长沙有限公司,
类型:发明
国别省市:湖南,43
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