本文關(guān)鍵詞：一種化學(xué)還原鍍金液復(fù)合配位劑的研究　出處：《表面技術(shù)》2017年06期 　論文類(lèi)型：期刊論文

  更多相關(guān)文章： 化學(xué)還原鍍金 復(fù)合配位劑 沉積速率 穩(wěn)定性 結(jié)合力 光亮度

【摘要】：目的研究由乙二胺四乙酸二鈉(EDTA-2Na)、乙二胺四亞甲基膦鈉(EDTMPS)和檸檬酸三銨(C_6H_5O_7(NH_4)_3)組成的復(fù)合配位劑,在不同濃度及pH下,對(duì)金沉積速率、鍍金液穩(wěn)定性、金鍍層結(jié)構(gòu)及性能的影響。方法用化學(xué)鍍的方法在樹(shù)脂基體上先預(yù)鍍覆Cu-Ni-Pd金屬層,然后制備金鍍層。采用正交實(shí)驗(yàn)法,研究復(fù)合配位劑濃度及pH對(duì)金層沉積速率、鍍金液穩(wěn)定性、結(jié)合力、光亮度的影響。借助掃描電鏡及能譜,分析不同優(yōu)化組合鍍液配方制備的鍍層形貌及成分。結(jié)果以鍍金沉積速率為評(píng)價(jià)指標(biāo)時(shí)的最優(yōu)組合為A_2C_3D_3B_2,以鍍液穩(wěn)定性為評(píng)價(jià)指標(biāo)時(shí)的最優(yōu)組合為A_2C_2B_3D_2,以鍍層結(jié)合力為評(píng)價(jià)指標(biāo)時(shí)的最優(yōu)組合為A_2D_2B_2C_2,以鍍層光亮度為評(píng)價(jià)指標(biāo)時(shí)的最優(yōu)組合為A_3C_1D_2B_2。將4個(gè)單一評(píng)價(jià)指標(biāo)的最優(yōu)組合重復(fù)實(shí)驗(yàn),實(shí)驗(yàn)結(jié)果表明,當(dāng)EDTA-2Na為15 g/L、EDTMPS為3 g/L、C_6H_5O_7(NH_4)_3為30 g/L、pH為6.0時(shí),鍍液穩(wěn)定性最高,可達(dá)6 MTO;鍍層沉積速率最快,可達(dá)0.0066μm/min;鍍層結(jié)合力可達(dá)5級(jí),光亮度可達(dá)1級(jí)。結(jié)論采用EDTA-2Na、EDTMPS和C_6H_5O_7(NH_4)_3組成的復(fù)合配位劑,在適當(dāng)?shù)膒H下能夠提高鍍層沉積速度及鍍液穩(wěn)定性,改善鍍層表面形貌。
[Abstract]:Objective to study the content of EDTA-2Na by EDTA-2Na2 (ethylenediamine tetraacetate disodium). The complex coordination agent composed of ethylenediamine tetramethylene phosphine sodium (EDTMPS) and triammonium citrate C6H _ 5O _ (7NH _ 4 / T _ 3) was used to deposit gold at different concentration and pH. Methods Cu-Ni-Pd metal coating was precoated on resin substrate by electroless plating, and then gold coating was prepared. Orthogonal experiment was used. The effects of the concentration and pH of complex coordination agent on the deposition rate, stability, binding force and luminance of gold plating bath were studied by means of scanning electron microscopy and energy dispersive spectroscopy. The morphology and composition of the coating prepared by different optimized combination of plating bath formulations were analyzed. Results the optimum combination of A2C3D\ +\ +\\ -\\\. When the stability of plating solution is taken as the evaluation index, the optimal combination is A _ 2C _ s _ 2B _ 3D _ _ _. The optimal combination of the coating luminance as the evaluation index is A3CSTS 1D2BSP 2.The experiment of the optimal combination of the four single evaluation indexes is repeated, and the experimental results show that. When the EDTA-2Na is 15 g / L, EDTMPS is 3 g / L, the number is 3 g / L, the number is 30 g / L, the pH is 6.0. The stability of plating solution is the highest, up to 6 MTO; The deposition rate of the coating is the fastest, up to 0.0066 渭 m / min; Conclusion the composite coordination agent composed of EDTA-2NaNa-EDTMPS and C6H _ 5O _ 5O _ 7C _ 6H _ 5O _ 7 / C _ 6H _ 5O _ 7 / C _ 6H _ 5O _ 7 / C _ 6H _ 5O _ 7 / C _ 6H _ 5O _ 7 / C _ 6H _ 5O. The deposition rate and the stability of the plating solution can be improved at proper pH, and the surface morphology of the coating can be improved.
【作者單位】： 長(zhǎng)沙理工大學(xué)化學(xué)與生物工程學(xué)院;
【基金】：國(guó)家自然科學(xué)基金(31527803,21501015,21545010) 湖南省戰(zhàn)略性新興產(chǎn)業(yè)科技攻關(guān)與重大成果轉(zhuǎn)化項(xiàng)目(2015GK1046)~~
【分類(lèi)號(hào)】：TB306
【正文快照】： Received:2017-02-22;Revised:2017-04-12(School of Chemistry and Biological Engineering,Changsha University of Science and Technology,Changsha 410114,China)隨著電子產(chǎn)品更新?lián)Q代的加快,印刷電路板朝傳載信息更快、體積更小、更輕量級(jí)發(fā)展,對(duì)印刷電路板表面處理工藝

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