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Lightening liquid composition and its preparation method and application

A technology of smoothing liquid and composition, which is applied in the direction of lubricating composition, coating, metal material coating process, etc., can solve the problems affecting the post-treatment of galvanized sheet and the quality of passivated sheet, so as to improve the cleaning condition, Improved lubricity and good compatibility

Active Publication Date: 2022-05-31
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This phenomenon greatly affects the post-treatment of galvanized sheet and the quality of passivated sheet

Method used

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  • Lightening liquid composition and its preparation method and application
  • Lightening liquid composition and its preparation method and application
  • Lightening liquid composition and its preparation method and application

Examples

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preparation example Construction

[0041] In order to better realize the technical purpose of the present invention, the present invention also discloses the preparation method of the above-mentioned fairing liquid composition, which is characterized in that it comprises the following steps:

[0042] 1) Add composite rust inhibitor to deionized water, and stir until transparent under the condition of controlling temperature 45~55℃;

[0043] 2) After adding corrosion inhibitor and surfactant to the product obtained in step 1), continue to stir evenly;

[0044] 3) Add lubricant and composite additives to the product obtained in step 2), reduce the temperature to 35-45° C., and continue stirring until it becomes a transparent and uniform liquid, that is, a finishing liquid composition is prepared.

[0045] The fairing liquid composition prepared by the above formula and preparation method of the present invention has the characteristics of high salt resistance, low foaming property and easy formation of low viscos...

Embodiment 1

[0049] Add deionized water into the container, firstly add 8% boric acid, 10% hydroxylamine sulfate, and 12% acrylamide, stir for 20±5min at 50°C, and stir until transparent.

[0050]Then add corrosion inhibitor: 5% water-soluble imidazoline amide and 3% nonylphenoxyacetic acid, surfactant: 2% dodecyl polyoxyethylene glycol ether and 4% octylphenol poly Oxyethylene ether sulfate ammonium salt. Stirring was continued for 10 min.

[0051] Finally, 4% of sucrose methyl phenyl stearate and 2% of silane coupling agent were added, the temperature was lowered to 40° C., and the solution was continuously stirred until the solution was a transparent and uniform liquid to obtain the desired environmental-friendly finishing solution.

Embodiment 2

[0053] Add deionized water into the container, firstly add 4% boric acid, 5% hydroxylamine sulfate, and 6% acrylamide, and stir for 20±5min at 50°C until transparent.

[0054] Then add corrosion inhibitor: 3% water-soluble imidazoline amide and 1% nonylphenoxyacetic acid, surfactant: 1% dodecyl polyoxyethylene glycol ether and 2% octylphenol poly Oxyethylene ether sulfate ammonium salt. Stirring was continued for 10 min.

[0055] Finally, 2% of sucrose methyl phenyl stearate and 1% of silane coupling agent were added, the temperature was lowered to 40° C., and the solution was continuously stirred until the solution was a transparent and uniform liquid to obtain the required environmental protection finishing liquid.

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Abstract

The invention discloses a smoothing liquid composition, a preparation method and application thereof, and belongs to the technical field of material surface treatment. The smoothing liquid composition includes the following components in mass percent: composite antirust agent: 15-30%, corrosion inhibitor: 4-8%, surfactant: 3-6%, lubricant: 2-4% %, composite additive: 1-2%, water: 50-75%; wherein, the corrosion inhibitor is water-soluble imidazoline amide and / or nonylphenoxyacetic acid; the surfactant is dodecyl polyvinyl alcohol Ammonium ether and / or octylphenol ethoxylate sulfate. The components in the skin-passing liquid composition have synergistic effects, can give full play to their inherent physical and chemical anti-rust properties, and have good anti-rust and anti-corrosion properties for hot-dip galvanized steel sheets, as well as good lubricity.

Description

technical field [0001] The invention relates to a chemical treatment agent, which belongs to the technical field of material surface treatment, and in particular relates to a finishing liquid composition and a preparation method and application thereof. Background technique [0002] At present, with the development of the iron and steel industry, the production technology of hot-dip galvanized sheet in the iron and steel industry has developed rapidly. The rapid development of hot-dip galvanized technology has made the surface quality comparable to that of cold-rolled sheet and electro-galvanized sheet. Hot-dip galvanized products are used in the fields of automobiles and household appliances. In particular, the amount of hot-dip galvanizing for automobiles has also increased sharply, and the production technology of hot-dip galvanizing sheets for automobiles is constantly improving. my country has become the world's largest producer of hot-dip galvanized sheets in terms of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/02C23C2/26C23C2/06C23C2/40C10N40/24C10N30/06C10N30/12C10N30/04
CPCC10M173/02C23C2/26C23C2/06C23C2/40C10M2201/087C10M2201/084C10M2215/08C10M2215/224C10M2207/122C10M2209/104C10M2209/108C10M2221/04C10M2207/289C10M2227/04
Inventor 马颖庞涛张云宋建红李江文郎丰军程鹏彭浩
Owner 武汉钢铁有限公司
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