Water-based chromium-free surface lubricating treating agent for galvanized steel sheets and application method of treating agent

A technology of galvanized steel sheets and surfactants, applied in the direction of surface coating liquid devices, coatings, anti-corrosion coatings, etc., can solve environmental problems, increase economic benefits, reduce production processes, and solve environmental problems.

Active Publication Date: 2015-04-08
北京钢研新冶工程设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of the present invention is mainly to replace the anti-rust oil in the process of storage and transportation of galvanized steel sheets and the stamping lubri

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The solution formula of this example (by mass parts) is: water-based photocurable polyurethane acrylate 100, 2-hydroxy-2-methyl-1-phenyl-1-acetone 0.5, 2-hydroxy-4'-(2-hydroxy Ethoxy)-2-methylpropiophenone 4.5, nano silicon dioxide 11 (particle size is about 20 nanometers), polyethylene wax 12 (wax particle size is 0.1 micron), sodium dodecylsulfonate 0.20, 3 - 0.60 of glycidyl etheroxypropyl trimethoxysilane, 4 of sodium molybdate, 6 of ethylene glycol monobutyl ether, the total mass parts is 660, and the balance is deionized water.

[0033] Prepare the treatment agent according to the above formula, first add an appropriate amount of water to the silica sol to dilute, then add sodium dodecylsulfonate, add 3-glycidyl etheroxypropyl trimethoxysilane after dissolving, stir for one hour, then add water-based Light-curable polyurethane acrylate emulsion, polyethylene wax emulsion, sodium molybdate, ethylene glycol monobutyl ether, etc., and finally add 2-hydroxy-2-methyl-1...

Embodiment 2

[0036] The solution formula of this example (by mass parts) is: water-based photocurable polyurethane acrylate 100, methacrylic acid monomer 10, 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone 6 , nano-silica 12 (particle size is about 20 nanometers), polyethylene wax 15 (wax particle size is 2 microns), sodium dodecylsulfonate 0.25, 3-glycidyl etheroxypropyl trimethoxysilane 0.60, sodium molybdate 5, ethylene glycol monobutyl ether 6, the total mass parts are 680, and the balance is deionized water.

[0037] Prepare the treatment agent according to the above formula, first add an appropriate amount of water to the silica sol to dilute, then add sodium dodecylsulfonate, add 3-glycidyl etheroxypropyl trimethoxysilane after dissolving, stir for one hour, then add water-based Photocurable polyurethane acrylate emulsion, methacrylic acid monomer emulsion, polyethylene wax emulsion, sodium molybdate, ethylene glycol monobutyl ether, etc., and finally add 2-hydroxy-4'-(2-hydrox...

Embodiment 3

[0040] The solution formula of this example (by mass parts) is: water-based photocurable polyurethane acrylate 100, methacrylic acid monomer 10, 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone 6 , nano-silica 12 (particle size is about 15 nanometers), polyethylene wax 15 (particle size is 2 microns), sodium dodecylsulfonate 0.25, 3-glycidyl etheroxypropyl trimethoxysilane 0.60 , ammonium molybdate 6, 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate 7, the balance is deionized water, and the total mass parts is 600.

[0041] Prepare the treatment agent according to the above formula, first add an appropriate amount of water to the silica sol to dilute, then add sodium dodecylsulfonate, add 3-glycidyl etheroxypropyl trimethoxysilane after dissolving, stir for one hour, then add water-based Light-curing polyurethane acrylate emulsion, methacrylic acid monomer emulsion, polyethylene wax emulsion, ammonium molybdate, 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, etc., and fi...

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Abstract

The invention relates to a water-based chromium-free surface lubricating treating agent for galvanized steel sheets and an application method of the treating agent. The water-based chromium-free surface lubricating treating agent is mainly prepared from such chemical components as a water-based light-cured resin, a photoinitiator, a silica sol, a wax emulsion, a surfactant, a coupling agent, a molybdate and a coalescing agent. When the ultraviolet-cured water-based chromium-free lubricating treating agent prepared by use of the application method is used as a film-forming agent for the surface of the galvanized steel sheet, the obtained galvanized steel sheet has excellent lubricating property and good corrosion resistance, and also has good fingerprint resistance. As a result, the requirements on a galvanized metal material substrate can be greatly reduced because the film can be obtained by virtue of light curing after the surface moisture is removed by drying and blowing, and therefore, a hot galvanized sheet which is large in surface roughness fluctuation and low in price can be taken as the substrate, and then stronger market competitiveness and higher economic benefit can be achieved.

Description

technical field [0001] The invention belongs to post-treatment technology for galvanized steel sheets, and mainly relates to a water-based chromium-free lubricating treatment agent for the surface of galvanized steel sheets and a method for using the same. Background technique [0002] In the production process of home appliances and automobiles, it is required to process steel plates into complex shapes, and the number of fast and multiple stamping parts continues to increase. In order to avoid cracking of the steel plate during deformation and to reduce the friction between the mold and the steel plate, lubricating oil is used as a lubricant in traditional press forming, and degreasing detergent is required to wash off the oil stains on the surface of parts after stamping. Degreasing detergents usually release trichloroethane and Freon and other substances that can damage the atmospheric ozone layer during use. Therefore, the traditional pressure processing technology has...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12C09D5/08B05D7/14
CPCB05D7/14C08K2201/011C09D5/08C09D7/40C09D175/14C08L23/06C08K13/02C08K3/36C08K5/42C08K3/24
Inventor 刘昕张启富江社明
Owner 北京钢研新冶工程设计有限公司
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