PHOSPHATING TECHNOLOGY AND PHOSPHATING FILM PROPERTY AT ROOM TEMPERATURE BEFORE ELECTROPHORETIC COATING

J Chin Soc Corr Pro

2008, Vol. 28

Issue (6期): 351-354 DOI:

研究报告

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PHOSPHATING TECHNOLOGY AND PHOSPHATING FILM PROPERTY AT ROOM TEMPERATURE BEFORE ELECTROPHORETIC COATING

CHEN Zemin¹;ZHANG Qiaoyun²;LI Zhilin²

1.College of Chemistry and Materials Science; Langfang Teachers College; Langfang 065000
2.College of Chemistry and Environmental Science; Hebei University; Baoding 071002

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Abstract

A novel phosphating processing that nickel salt, manganese salt, nitro acenaphthene and carboxyl group polymer were contained in self-made Zn system phosphating, was developed for electrophoretic coating. Compared low Zn-Mn phosphating film with common phosphating film, the former in corrosion resistance and alkali resistance is better than the latter. The investigation and analysis of composition and structure of the low Zn-Mn phosphating film and common phosphating film are conducted by means of XPS and SEM. The experiment results demonstrated that by applying this phosphating process, a complete,alkaliproof and firm crystal film made up of Zn3（PO4）2、FeZn2（PO4）2 and Mn Zn2（PO4）2 sphere phosphide formed on metal surface in less than ten minutes at room temperature.

Key words: electrophoretic coating phosphating technology at room temperature performance test

Received: 26 March 2007

ZTFLH:

TG174

Corresponding Authors: CHEN Zemin

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Cite this article:

CHEN Zemin ZHANG Qiaoyun LI Zhilin. PHOSPHATING TECHNOLOGY AND PHOSPHATING FILM PROPERTY AT ROOM TEMPERATURE BEFORE ELECTROPHORETIC COATING. J Chin Soc Corr Pro, 2008, 28(6期): 351-354.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2008/V28/I6期/351

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