Preparation method of hot dip galvanized sheet anti-corrosive treatment agent of environmental protective

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United States of America Patent

PATENT NO 8742000
APP PUB NO 20120052312A1
SERIAL NO

13002302

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Abstract

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A coating composition is provided, the starting materials of which comprise nano SiO2, film-forming substance, film-forming aid, accelerator, acid, and water. The composition has pH of 3-9. A passivated zinc-plated material is also provided. The zinc-plated material comprises zinc-plated substrate and passivated coat adhered to the surface of the zinc-plated substrate, wherein the passivated coat is formed by curing the coating composition. The coating composition can impart to the zinc-plated material excellent corrosion resistance, water resistance, high temperature resistance, surface conductivity, and adhesion to the zinc-plated substrate. Additionally, the coating composition contains no Cr6+, and satisfies the requirement of EU RoHS Directive.

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Patent Owner(s)

Patent OwnerAddress
PANGANG GROUP RESEARCH INSTITUTE CO LTDROOM 1006 10TH FLOOR UNIT 1 BUILDING 17 NO 89 HEZUO ROAD HIGH TECH ZONE CHENGDU SICHUAN PROVINCE 611730 CHENGDU CITY SICHUAN PROVINCE 611730
PANGANG GROUP PANZHIBUA IRON & STEEL RESEARCH INSTITUTE CO LTDNO 90 TAOYUAN ROAD EAST DISTRICT PANZHIHUA SICHUAN 617000
PANGANG GROUP STEEL VANADIUM AND TITANIUM CO LTDXIANGYANG VILLAGE EAST DISTRICT PANZHIHUA SICHUAN 617067
PANGANG GROUP COMPANY LTDXIANGYANG VILLAGE EAST DISTRICT PANZHIHUA SICHUAN PROVINCE 617067

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Yong Sichuan, CN 467 3808
Cheng, Xingde Sichuan, CN 1 1
Guo, Taixiong Sichuan, CN 3 3
Li, Guoan Sichuan, CN 13 224
Mei, Dongsheng Sichuan, CN 5 18
Xu, Quan Sichuan, CN 30 65
Xu, Zhefeng Sichuan, CN 6 3
Zhang, Aiping Sichuan, CN 20 139

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