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

[1] Effects of organic inhibitors on corrosion of zinc in an aerated 0.5 M NaCl solution [J].

Aramaki, K .

CORROSION SCIENCE, 2001, 43 (10) :1985-2000

[2] THE EFFECT OF NITROGEN-OXIDES IN ATMOSPHERIC CORROSION OF METALS [J].

ARROYAVE, C ;

MORCILLO, M .

CORROSION SCIENCE, 1995, 37 (02) :293-305

[3] Computer simulation of the corrosion inhibition of copper in acidic solution by alkyl esters of 5-carboxybenzotriazole [J].

Bartley, J ;

Huynh, N ;

Bottle, SE ;

Flitt, H ;

Notoya, T ;

Schweinsberg, DP .

CORROSION SCIENCE, 2003, 45 (01) :81-96

[4] Corrosion evaluation of artificially aged 6 wt-% tin bronze [J].

Brunoro, G ;

Laguzzi, G ;

Luvidi, L ;

Chiavari, C .

BRITISH CORROSION JOURNAL, 2001, 36 (03) :227-232

[5]

BRUNORO G, 2001, P 3 INT C CIENC TECN

[6]

CAVALLOTTI PL, 1999, ATT GIORN NAZ CORR P, P303

[7]

CHIAVARI C, 2001, P EUROCORR 2001 RIV

[8]

DABALA M, UNPUB

[9] ELECTROCHEMICAL-BEHAVIOR OF COPPER IN NEUTRAL AERATED CHLORIDE SOLUTION .2. IMPEDANCE INVESTIGATION [J].

DESLOUIS, C ;

TRIBOLLET, B ;

MENGOLI, G ;

MUSIANI, MM .

JOURNAL OF APPLIED ELECTROCHEMISTRY, 1988, 18 (03) :384-393

[10]

FENELON AM, 1991, J APPL ELECTROCHEM, V31, P509

← 1 2 3 4 →