L-苹果酸和2,2'-联二吡啶对酒石酸钾钠体系低温化学镀铜的影响

doi:10.11902/1005.4537.2022.244

中国腐蚀与防护学报

2023, Vol. 43

Issue (3): 544-552 CSTR: 32134.14.1005.4537.2022.244 DOI: 10.11902/1005.4537.2022.244

研究报告

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L-苹果酸和2,2'-联二吡啶对酒石酸钾钠体系低温化学镀铜的影响

朱皓¹, 程熠¹, 宋晅¹, 赵文霞¹(

), 李鑫巍¹, 刘欣¹, 回凯宏¹, 陈怀军¹, 翟世龙²

^1.宁夏师范学院化学化工学院固原 756000
^2.西北工业大学物理科学与技术学院西安 710129

Effect of L-malic Acid and 2,2'-bidipyridine on Electroless Copper Plating in Potassium Sodium Tartrate System at Low Temperature

ZHU Hao¹, CHENG Yi¹, SONG Xuan¹, ZHAO Wenxia¹(

), LI Xinwei¹, LIU Xin¹, HUI Kaihong¹, CHEN Huaijun¹, ZHAI Shilong²

^1.School of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan 756000, China
^2.School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an 710129, China

全文: PDF(7449 KB) HTML

摘要:

确定了MnO₂-H₂SO₄-H₂O三元体系的最佳微蚀条件，选择L-苹果酸和2,2'-联二吡啶作为添加剂，研究了L-苹果酸和2,2'-联二吡啶单独添加和复合添加对以酒石酸钾钠作为单一配位剂镀铜体系的影响，通过镀液稳定性、沉积速率以及镀层形貌的变化确定了一种稳定的低温化学镀铜体系。结果表明：酒石酸钾钠化学镀铜体系中L-苹果酸的加入增大了沉积速率，2,2'-联二吡啶的加入降低了该体系的沉积速率。当酒石酸钾钠体系中复合添加剂L-苹果酸和2,2'-联二吡啶的添加浓度分别为2和1 mg/L时，化学镀铜的沉积速率从3.94 µm/h提升至5.20 µm/h，化学镀铜体系比较稳定，镀层均匀致密并且呈现出光泽度高的淡粉红色，镀层附着力好。

关键词 ：酒石酸钾钠, 化学镀铜, L-苹果酸, 2,2'-联二吡啶, 沉积速率

Abstract：

In general, certain additives were incorporated into potassium sodium tartrae based electrolyte for electroless copper plating, aiming to improve its stability and the electroless copper plating efficiency. Herewith, L-malic acid and 2,2'-bidipyridine were selected as additives. The effect of L-malic acid and 2,2'-bidipyridine individually or in combination as additives on the performance of the sodium potassium tartrate based electrolyte for copper plating on polyacrylonitrile-butadiene-styrene copolymer (ABS) plates was studied, while the ABS has been subjected to light etching pre-treatment in an optimized MnO₂-H₂SO₄-H₂O ternary solution. The results showed that the addition of L-malic acid increased the Cu-deposition rate, while the addition of 2,2'-bidipyridine decreased the Cu-deposition rate. When the combination additives of 2 mg/LL-malic acid and 1 mg/L2,2'-bidipyridine were added to the potassium sodium tartrate electroless copper plating system, the deposition rate increased from 3.94 µm/h to 5.20 µm/h, and the copper plating system has higher stability. Accordingly, the acquired Cu-coating was uniform, compact and good adhesive to the substrate, and which presents light pink color with a high gloss as well. Finally, a stable low temperature electroless copper plating system was determined in terms of the bath stability, Cu-deposition rate, and the coating morphology and gloss etc.

Key words： sodium potassium tartrate electroless copper plating L-malic acid 2,2'-bidipyridine deposition rate

收稿日期: 2022-07-28 32134.14.1005.4537.2022.244

ZTFLH:

TQ153.1

基金资助:国家自然科学基金(21561027);宁夏高等学校一流学科建设(NXYLXK2017B11);宁夏自然科学基金(2020AAC03266);宁夏自然科学基金(2022AAC03298);宁夏科技创新领军人才项目(KJT2016004);宁夏青年拔尖人才（宁人社函）([2017]787);宁夏新型高校智库项目（宁教工委办）([2018]12);固原市科技计划项目(2020-GYKYF003);六盘山资源工程技术研究中心(HGZD22-18);无机化学重点学科（宁师院）([2017]83)

通讯作者: 赵文霞，E-mail：zwxchj2006@163.com，研究方向为工程塑料表面修饰、化学镀与电镀研究

Corresponding author: ZHAO Wenxia, E-mail: zwxchj2006@163.com

作者简介: 朱皓，男，1986年生，硕士生

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引用本文:

朱皓, 程熠, 宋晅, 赵文霞, 李鑫巍, 刘欣, 回凯宏, 陈怀军, 翟世龙. L-苹果酸和2,2'-联二吡啶对酒石酸钾钠体系低温化学镀铜的影响[J]. 中国腐蚀与防护学报, 2023, 43(3): 544-552.
ZHU Hao, CHENG Yi, SONG Xuan, ZHAO Wenxia, LI Xinwei, LIU Xin, HUI Kaihong, CHEN Huaijun, ZHAI Shilong. Effect of L-malic Acid and 2,2'-bidipyridine on Electroless Copper Plating in Potassium Sodium Tartrate System at Low Temperature. Journal of Chinese Society for Corrosion and protection, 2023, 43(3): 544-552.

链接本文:

https://www.jcscp.org/CN/10.11902/1005.4537.2022.244 或 https://www.jcscp.org/CN/Y2023/V43/I3/544

图1 不同微蚀时间下ABS基体表面SEM图

图2 接触角随微蚀时间的变化趋势

图3 粘接强度随微蚀时间的变化趋势

图4 化学镀铜沉积速率随L-苹果酸添加浓度的变化趋势

图5 化学镀铜沉积速率随2,2'-联二吡啶添加浓度的变化趋势

表1 L-苹果酸和2,2'-联二吡啶复合添加对沉积速率影响的正交试验结果

表2 L-苹果酸和2,2'-联二吡啶复合添加对沉积速率影响的极差分析

图6 化学镀铜沉积速率随L-苹果酸和2,2'-联二吡啶复合添加浓度的变化趋势

图7 不同添加剂条件下镀铜层表面照片

图8 不同添加剂的化学镀铜膜表面形貌

图9 L-苹果酸和2,2'-联二吡啶复合添加对阴阳极极化曲线的影响

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