分子自组装技术在防银表面变色中的研究与应用前景
Research and Application Prospect of SAMs in Preventing Discoloration of Silver
摘 要
银工艺饰品很容易变色.针对电镀贵金属、化学钝化、电化学钝化、保护性配合物膜、固体润滑层、高分子涂料等常用的几类防银变色表面处理方式存在的不足,介绍了分子自组装成膜的原理和特点,及其在防银变色方面的研究情况和应用效果,并分析了分子自组装膜在防银工艺饰品变色方面的广阔应用前景和需要进一步研究的一些问题.
银工艺饰品
变色
self-assembly membrane(SAM)
silver craft
discoloration
Abstract
Silver crafts suffer from discoloration when exposed to atmosphere polluted by sulphide.In view of the disadvantages of several common surface treatment processes to prevent silver tarnishing,such as electroplating noble metals,chemical passivation,electrochemical passivation,protective complexe membrane,solid lubrication layer and polymer coating,this paper briefly introduces the basic principle and characteristics,research progress and application of molecular self-assembling membrane(SAM) to anti-tarnishing of silver,and analyzes the broad application prospect of SAMs in preventing discoloration of silver crafts and some problems which need to be studied further.
中图分类号 TG174.4
所属栏目 专论
基金项目 广州市教育系统首批建设创新学术团队项目(穗教科2009第11号)
收稿日期 2010/2/4
修改稿日期 2010/3/30
网络出版日期
作者单位点击查看
备注申柯娅,副教授.
引用该论文: SHEN Ke-ya. Research and Application Prospect of SAMs in Preventing Discoloration of Silver[J]. Corrosion & Protection, 2010, 31(11): 882～885
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参考文献
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【23】马洪芳,项东,孙华,等.自组装单分子膜技术及金属腐蚀与防护[J].山东建筑工程学院学报,2004,19(3):86-89.
【2】Singh I,Sabita M P,Altekar V A.Silver tarnishing and its prevention-A review[J].Anti-corrosion Methods and Materials,1983,30(7):4-8.
【3】张东曙,蔡兰坤,祝鸿范,等.银表面防变色膜PMM性能研究[J].中国腐蚀与防护学报,2002,22(5):304-307.
【4】陈跃东.DJB-823在防银变色上的应用[J].表面技术,2000,29(2):38-39.
【5】Fang J L,Cai Z.Tarnish and protection of silver deposit-mechanism and method[J].Science in China,Ser B,1989,32(1):23.
【6】Bigelow W C,Pickett D L,Zisman W A.Oleophobic monolayers:I.Films adsorbed from solution in non-polar liquids[J].Journal of Colloid Science,1946,1(6):513-538.
【7】邓文礼,杨林静,王琛.烷基硫醇分子自组装研究进展[J].科学通报,1998,43(5):449-457.
【8】杨生荣,任嗣利,张俊彦,等.自组装单分子膜的结构及其自组装机理[J].高等学校化学学报,2001,22(3):470-476.
【9】杨长江,梁成浩.自组装膜在金属防护中的应用[J].中国腐蚀与防护学报,2007,27(5):315-319.
【10】杨学耕,陈慎豪,马厚义,等.金属表面自组装缓蚀功能分子膜[J].化学进展,2003,15(2):123-128.
【11】Laibinis P E,Whitesides G E,Allara D L.Comparison of the structures and wetting properties of self-assembled monolayers of n-alkanethiols on the coinage metal surfaces,Cu ,Ag ,Au[J].J Am Chem Soc.,1991,113:7152-7167.
【12】Magali E,Miehel K,Hisasi T.The formation of self-assembling membrane of hexadeeane-thiol on silver to prevent the tarnishing[J].Electrochimica Acta,2004,49(17/18):2937-1943.
【13】Burleigh T D,Gu Y,Donahey G,et al.Tarnish proteetion of silver using a hexadeeanethiol self-assembled monolayer and descriptions of accelerated tarnish tests[J].Corrosion,2001,57(12):1066-1074.
【14】刘金红,王怡红,郭志睿,等.银表面分子自组装膜的防腐性能[J].化工学报,2004,55(10):1674-1677.
【15】刘金红,王怡红,郭志睿,等.银保护用自组装单分子膜的防腐蚀研究[J].材料保护,2004,37(l):6-9.
【16】Wang Y H,Song W,Gao L J,et al.Analysis of electrochemical impedance and XRD spectroscopy for complex self-assembled f ilm on silver[J].Journal of Southeast University (English Edition),2006,22(1):121-124.
【17】杨长江.金银币变色机理和抗变色工艺研究[D].大连:大连理工大学博士学位论文,2008.
【18】Tao Y T.Structural comparison of self-assembled monolayers of n-alkanoic acids on the surfaces of silver,copper,and aluminum[J].J Am Chem Soc.,1993,115:4350-4358.
【19】Liang C H,Yang C J,Huang N B.Tarnish protection of silver by octadecanethiol self-assembled monolayers prepared in aqueous micellar solution[J].Surface and Coatings Technology,2009,203(8):1034-1044.
【20】Evesque M,Keddam M,Takenoutl H.The formation of self-assembling membrane of hexadecane-thiol on silver to prevent the tarnishing[J].Electrochimica Acta,2004,49(17/18):2937-2943.
【21】邓文礼,杨林静,王琛,等.烷基硫醇分子自组装研究进展[J].科学通报,1998,43(5):449-457.
【22】王静,李德刚,于先进,等.金属表面烷基硫醇类自组装膜的研究进展[J].电镀与涂饰,2008,28(7):67-71.
【23】马洪芳,项东,孙华,等.自组装单分子膜技术及金属腐蚀与防护[J].山东建筑工程学院学报,2004,19(3):86-89.
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