Derivatives of phosphoric and phosphonic acid as corrosion inhibitors for zinc pigments

被引：21

作者：

Muller, B

Forster, I

机构：

来源：

CORROSION SCIENCE | 1996年 / 38卷 / 07期

关键词：

zinc; paint coatings; neutral inhibition;

D O I：

10.1016/0010-938X(96)00005-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Zinc pigments react in aqueous alkaline media (e.g. water-borne paints) by the evolution of hydrogen. This corrosion reaction can be inhibited at a pH value of 10 (DMEA) by the addition of aminomethylenephosphonic acids, amphiphilic partial esters of phosphoric acid and phosphoric acid. The protection factors for the corrosion inhibition of zinc pigment (borderline Lewis acid) by salts of aminomethylenephosphonic acids and phosphoric acid (hard Lewis bases) are smaller for the corrosion inhibition of aluminium pigments (hard Lewis acid), what could be explained with Pearson's 'Principle of Hard and Soft Acids and Bases'. Copyright (C) 1996 Published by Elsevier Science Ltd.

引用

页码：1103 / 1108

页数：6

共 10 条

[1]

HORNER L, 1978, WERKST KORROS, V29, P654

[2]

HORNER L, 1973, WERKST KORROS, V24, P860

[3]

LUCKERT O, 1968, FARBE LACK, V74, P469

[4]

MULLER B, 1994, WERKST KORROS, V45, P467

[5]

MULLER B, 1995, WERKST KORROS, V46, P165

[6]

MULLER B, 1994, FARBE LACK, V100, P528

[7]

MULLER B, 1995, IN PRESS CORROS SCI

[8] HARD AND SOFT ACIDS AND BASES HSAB .1. FUNDAMENTAL PRINCIPLES [J].

PEARSON, RG .

JOURNAL OF CHEMICAL EDUCATION, 1968, 45 (09) :581-&

[9]

TULLOCH RWC, 1991, AM PAINT COAT J, V75, P36

[10]

WILLIAMS JE, 1985, Patent No. 133644

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