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Wet leveling liquid composition and use thereof

A technology of wet leveling liquid and composition, which is applied in the field of wet leveling liquid composition, can solve the problems that wet leveling liquid cannot meet, achieve good antirust performance and cleaning performance, solve the effect of reducing cleaning performance and smooth rolling

Active Publication Date: 2012-07-04
CHINA PETROLEUM & CHEM CORP
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] One of the technical problems to be solved by the present invention is that the wet leveling liquid in the prior art cannot meet the requirement that the reduction rate is greater than 3.0% in the leveling process, and a new wet leveling liquid composition is provided

Method used

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  • Wet leveling liquid composition and use thereof
  • Wet leveling liquid composition and use thereof
  • Wet leveling liquid composition and use thereof

Examples

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Embodiment 1～12

[0028] Heat the water to 40°C, add the required amount of anti-rust agent, pH regulator, cleaning agent, cleaning aid, lubricant and defoamer in sequence during stirring, stop stirring and heating after 2 hours of sufficient stirring, and let it stand After 1.5 hours, filter and fill. Each component and its content are shown in Table 2, and the properties are shown in Table 3. Table 2,

[0029] EL-20: castor oil polyoxyethylene ether HEDTA: sodium diamine triacetic acid

[0030] STPP: sodium tripolyphosphate EDTA-4Na: tetrasodium ethylenediaminetetraacetic acid

[0031] EL-30: castor oil polyoxyethylene ether AEO-6: fatty alcohol polyoxyethylene 6 ether

[0032] EO / PO polyether: ethylene oxide / propylene oxide polyether

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Abstract

The invention relates to a wet leveling liquid composition and use thereof, and mainly solves the problem that wet leveling liquid cannot meet the requirement that a down rate is greater than 3.0 percent in the leveling process in the prior art. By adopting a technical scheme that: the wet leveling liquid composition comprises the following components in part by weight: a) 5 to 50 parts of antirust additive; b) 1 to 12 parts of cleaning agent; c) 0.5 to 10 parts of lubricating agent; and d) 28 to 93.5 parts of water, the invention better solves the problem and can be used in the leveling process of cold-rolled steel sheets.

Description

technical field [0001] The invention relates to a wet leveling liquid composition and its application. Background technique [0002] The production process of cold-rolled steel plate generally includes five processes of pickling, rolling, annealing, leveling and finishing. Tempering is the cold finish rolling process of strip steel at a certain reduction rate after annealing. This process determines the surface morphology, shape, mechanical properties and process properties of the finished strip steel to a large extent. The leveling process is divided into two types: dry leveling and wet leveling. At present, the wet leveling process is mainly used, that is, the wet leveling liquid is used to prevent the surface of the steel plate from being scratched and affecting the surface quality. Wet leveling liquid can be divided into inorganic type (nitrite) leveling liquid and organic type (organic amine salt) leveling liquid. Although it has been reported that nitrite compounds h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F11/08C23G5/02C10M173/00C10N40/24
Inventor 张旭范珺邹文立李晓阳朱秀艳
Owner CHINA PETROLEUM & CHEM CORP
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