Self-lubricating treating agent composition, hot aluminum/zinc-plated sheet and preparation method thereof

A technology for hot-dip galvanized sheet and composition, applied in chemical instruments and methods, coatings, layered products, etc. The effect of excellent lubricity and good corrosion resistance

Active Publication Date: 2014-07-09
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the friction between the mold and the steel plate, the coating is prone to problems such as powder falling and blackening during forming, which not only affects the appearance quality, corrosion resistance, and coating performance of the formed parts, but also increases the wear of the mold and reduces its service life. , and the corrosion resistance, fingerprint resistance, heat resistance and other properties of the existing hot-dip galvanized sheet still need to be further improved

Method used

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  • Self-lubricating treating agent composition, hot aluminum/zinc-plated sheet and preparation method thereof

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preparation example Construction

[0031] The present invention also provides a method for preparing a hot-dip galvanized sheet, the method comprising: preparing the self-lubricating treatment agent composition described in the present invention into a coating solution, and coating the coating solution on a hot-dip aluminum-zinc plate on a zinc sheet substrate and then cured.

[0032] According to the preparation method of the hot-dip galvanized sheet of the present invention, the amount of the self-lubricating treatment agent is such that the thickness of the coating formed on the hot-dip galvanized sheet substrate is 0.05-0.3 microns.

[0033] According to the preparation method of the hot-dip galvalume sheet of the present invention, the curing temperature and time can be adjusted by those skilled in the art according to the actual situation. Preferably, the curing temperature is 80-110° C. and the curing time is 10 -60s.

[0034]Wherein, the coating method can adopt the conventional coating method used in ...

Embodiment 1-10 and comparative example 1-6

[0041] According to the component contents listed in Table 1, the components were uniformly mixed under stirring conditions to obtain self-lubricating agent compositions A1-A10 and D1-D6 respectively.

[0042] Table 1

[0043]

[0044] In self-lubricating agent compositions A1-A10 and D1-D6, the specific selection of each component is as follows:

[0045] The average particle size of colloidal silica is 30nm;

[0046] Sodium silicate is sodium metasilicate, the lubricant is water-based fluorocarbon emulsion (46% solid content) and polyethylene wax emulsion (46% solid content) (the weight ratio of the two is 7:3), inorganic corrosion inhibitor It is sodium nitrite and sodium molybdate (the weight ratio of the two is 3:2), the silane coupling agent is KH560, and the organic resin is water-based polyurethane (solid content is 30%) and water-based styrene-acrylic resin (solid content is 30%) ) (the weight ratio of the two is 4:1), and the additives are leveling agent, surfact...

preparation example 1

[0052] The self-lubricating agent compositions A1-A10 and D1-D6 were coated on the hot-dip galvanized steel strip by roll coating, and cured at a curing temperature of 100°C (the curing temperature was measured by temperature test paper) for 25s to obtain passivation-containing Coated hot-dip galvalume sheets B1-B10 and DB1-DB6.

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Abstract

The invention discloses a self-lubricating treating agent composition which contains water, colloidal silicon dioxide, sodium silicate, lubricant, inorganic inhibitor, silane coupling agent and organic resin. The invention also discloses a hot aluminum/zinc-plated sheet which comprises a hot aluminum/zinc-plated sheet substrate and a coating attached to the surface of the substrate, wherein the coating is formed by the self-lubricating treating agent composition. The invention the invention also discloses a preparation method of the hot aluminum/zinc-plated sheet, which comprises the following steps: preparing the self-lubricating treating agent composition into a coating solution, coating the coating solution on the hot aluminum/zinc-plated sheet substrate, and curing. The coating formed by curing the self-lubricating treating agent composition has favorable corrosion resistance, heat resistance, water resistance and adsorptivity, and has especially excellent fingerprint resistance and self-lubricating property.

Description

technical field [0001] The invention relates to a self-lubricating treatment agent composition, a hot-dip aluminum-zinc plate and a preparation method thereof. Background technique [0002] In recent years, with the continuous improvement of technology and the needs of the market, hot-dip galvanized sheets have developed rapidly due to their excellent corrosion resistance and appearance decoration. The application fields of hot-dip galvanized sheet in China are mainly in the construction and electrical cabinet manufacturing industry: its application in the construction industry is mainly thin specifications, mainly used as color-coated substrates; its application in the electrical cabinet manufacturing industry is mainly thick specifications Mainly, it is mainly used as a cabinet directly. At present, the application fields of hot-dip galvanized sheets are greatly expanding to the fields of home appliances and automobile sheets. However, most of the hot-dip galvanized shee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D125/14C09D133/00C09D161/06C09D7/12B32B15/095B32B15/082B32B15/098
Inventor 董学强郭太雄徐权冉长荣岳安宏
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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