Organic films for protection of copper and bronze against acid rain corrosion

被引：75

作者：

Brunoro, G ^{[1
]}

Frignani, A ^{[1
]}

Colledan, A ^{[1
]}

Chiavari, C ^{[1
]}

机构：

[1] Univ Ferrara, Dept Chem, Corros Study Ctr A Dacco, I-44100 Ferrara, Italy

来源：

CORROSION SCIENCE | 2003年 / 45卷 / 10期

关键词：

acid rain; bronze; copper; 5-alkyl-benzotriazole derivatives; organic coatings;

D O I：

10.1016/S0010-938X(03)00065-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the anticorrosive effects of surface films formed on copper and bronzes by different organic inhibitors (mainly benzotriazole derivatives) are evaluated. Several alloys, nominally similar in composition to ancient artistic bronzes, were studied in comparison with copper. The protective efficiency of the organic coatings was tested by electrochemical ac and dc measurements performed both in acid and neutral rain. The experimental data show that benzotriazole derivatives with a long aliphatic chain form thin and very protective films on copper. The presence of the alloying elements (e.g. Sn, Zn, Pb) and multiphasic structures decrease the organic film performances. Nevertheless, among the compounds used, the most efficient, 5-octyl-1,2,3-benzotriazole (C8), seems to be a promising coating in the bronze conservation field. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：2219 / 2231

页数：13

共 40 条

[11] Corrosion mechanisms and products of copper in aqueous solutions at various pH values [J].

Feng, Y ;

Siow, KS ;

Teo, WK ;

Tan, KL ;

Hsieh, AK .

CORROSION, 1997, 53 (05) :389-398

[12] The corrosion behaviour of copper in neutral tap water .1. Corrosion mechanisms [J].

Feng, Y ;

Teo, WK ;

Siow, KS ;

Tan, KL ;

Hsieh, AK .

CORROSION SCIENCE, 1996, 38 (03) :369-385

[13] METALLOGRAPHIC STUDIES OF THE COPPER PATINA FORMED IN THE ATMOSPHERE [J].

FRANEY, JP ;

DAVIS, ME .

CORROSION SCIENCE, 1987, 27 (07) :659-&

[14] Influence of the alkyl chain on the protective effects of 1;2,3-benzotriazole towards copper corrosion. Part II: formation and characterization of the protective films [J].

Frignani, A ;

Fonsati, M ;

Monticelli, C ;

Brunoro, G .

CORROSION SCIENCE, 1999, 41 (06) :1217-1227

[15] Influence of the alkyl chain on the protective effects of 1,2,3-benzotriazole towards copper corrosion. Part I: inhibition of the anodic and cathodic reactions [J].

Frignani, A ;

Tommesani, L ;

Brunoro, G ;

Monticelli, C ;

Fogagnolo, M .

CORROSION SCIENCE, 1999, 41 (06) :1205-1215

[16] COPPER PATINAS FORMED IN THE ATMOSPHERE .1. INTRODUCTION [J].

GRAEDEL, TE ;

NASSAU, K ;

FRANEY, JP .

CORROSION SCIENCE, 1987, 27 (07) :639-&

[17] COPPER PATINAS FORMED IN THE ATMOSPHERE .3. A SEMIQUANTITATIVE ASSESSMENT OF RATES AND CONSTRAINTS IN THE GREATER NEW-YORK METROPOLITAN-AREA [J].

GRAEDEL, TE .

CORROSION SCIENCE, 1987, 27 (07) :741-769

[18] Inhibition of copper corrosion by coatings of alkyl esters of carboxybenzotriazole [J].

Huynh, N ;

Bottle, SE ;

Notoya, T ;

Schweinsberg, DP .

CORROSION SCIENCE, 2002, 44 (11) :2583-2596

[19]

HUYNH N, 2000, P 9 SEIC ANN U FER S, V11, P603

[20] Dissolution and corrosion inhibition of copper, zinc, and their alloys [J].

Jinturkar, P ;

Guan, YC ;

Han, KN .

CORROSION, 1998, 54 (02) :106-114

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