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A preparation method of surface treatment agent for stainless steel plate in sheet metal process

A surface treatment agent, stainless steel technology, applied in the direction of metal material coating process, etc., can solve the problem of no preventive measures, and achieve the effect of eliminating the tendency of intergranular corrosion, good corrosion protection, and simple processing methods

Active Publication Date: 2017-02-22
芜湖科云汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem of intergranular corrosion of SUS301 stainless steel plate in the sheet metal process should be paid enough attention, but there is no relevant preventive method in the existing literature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The composition and mass parts of a surface treatment agent for stainless steel plates in the sheet metal process of this embodiment are: 5 parts of aluminum sulfate; 3 parts of silicone oil; 11 parts of glycerol; 2.5 parts of sodium pyrophosphate; 3 parts of oil-soluble phenolic resin Parts; 7 parts of silica sol; 1.5 parts of organic alkali ethanolamine; 0.9 parts of tricarboxylic acid borate; 1.5 parts of sodium alginate; 65 parts of deionized water.

[0031] The preparation process of the surface treatment agent is:

[0032] 1) Weigh in parts by mass: stir and mix 5 parts by mass of aluminum sulfate, 2.5 parts by mass of sodium pyrophosphate and 65 parts by mass of deionized water to obtain a mixed solution;

[0033] 2) Heat the mixed solution obtained in step 1) to 60°C, add 11 parts by mass of glycerol and 7 parts by mass of silica sol to the heated mixed solution, add 3 parts by mass of silicone oil and 3 parts by mass of oil-soluble while stirring Phenolic resin (the ...

Embodiment 2

[0042] The composition and mass parts of a surface treatment agent for stainless steel plates in the sheet metal process of this embodiment are: 1 part of aluminum sulfate; 4 parts of silicone oil; 10 parts of glycerol; 3.5 parts of sodium pyrophosphate; 1 part of oil-soluble phenolic resin Parts; 9 parts of silica sol; 1.2 parts of tricarboxylic acid borate; 1 part of sodium alginate; 70 parts of deionized water.

[0043] The preparation process of the surface treatment agent is:

[0044] 1) Weigh in parts by mass: stir and mix 1 part by mass of aluminum sulfate, 3.5 parts by mass of sodium pyrophosphate and 70 parts by mass of deionized water to obtain a mixed solution;

[0045] 2) Heat the mixed solution obtained in step 1) to 55°C, add 10 parts by mass of glycerol and 9 parts by mass of silica sol to the heated mixed solution, add 4 parts by mass of silicone oil and 1 part by mass of oil-soluble while stirring Phenolic resin (the silicone oil used in this embodiment is methyl si...

Embodiment 3

[0054] The composition and mass parts of a surface treatment agent for stainless steel plates in the sheet metal process of this embodiment are: 7 parts of aluminum sulfate; 2 parts of silicone oil; 12 parts of glycerol; 2 parts of sodium pyrophosphate; 4 parts of oil-soluble phenolic resin Parts; 6 parts of silica sol; 2 parts of organic alkali ethanolamine; 2 parts of sodium alginate; 60 parts of deionized water.

[0055] The preparation process of the surface treatment agent is:

[0056] 1) Weigh in parts by mass: stir and mix 7 parts by mass of aluminum sulfate, 2 parts by mass of sodium pyrophosphate and 60 parts by mass of deionized water to obtain a mixed solution;

[0057] 2) Heat the mixed solution obtained in step 1) to 65°C, add 12 parts by mass of glycerol and 6 parts by mass of silica sol to the heated mixed solution, add 2 parts by mass of silicone oil and 4 parts by mass of oil-soluble while stirring Phenolic resin (the silicone oil used in this embodiment is methyl s...

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PUM

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Abstract

The invention discloses a preparation method of a surface treating agent used for a stainless steel sheet in a sheet metal process, and belongs to the technical field of sheet metal processing. The preparation method comprises the following steps: (1) 1-7 parts of aluminum sulfate, 2-3.5 parts of sodium pyrophosphate and 60-70 parts of deionized water are stirred and mixed, and a mixed solution is obtained; (2) the mixed solution is heated to 55-65 DEG C, 10-12 parts of glycerin and 6-9 parts of a silica solution are added into the mixed solution, 2-4 parts of silicone oil and 1-4 parts of oil-soluble phenolic resin are added while the mixed solution is stirred, and the mixed solution is stirred for 28-35 minutes; (3) the mixed solution is stirred while being heated, the temperature is controlled to rise at the speed of 1-2 DEG C per minute, when the temperature reaches 75-85 DEG C, 0-2 parts of organic-base ethanol amine and 0-1.2 parts of tricarboxylic acid borate are sequentially added, the mixed solution is stirred and kept at the temperature for 25-35 minutes, 1-2 parts of sodium alga acid is added, then the mixed solution is stirred for 10-20 minutes and the surface treating agent is obtained. The surface treating agent prepared with the method can protect a sheet metal workpiece against corrosion well and is especially suitable for SUS301 stainless steel sheets.

Description

Technical field [0001] The invention relates to the technical field of sheet metal processing, and more specifically, to a method for preparing a surface treatment agent for stainless steel plates in a sheet metal process. Background technique [0002] Generally speaking, the basic equipment of sheet metal process includes shearing machine, CNC punch / laser, plasma, water jet cutting machine, bending machine and various auxiliary equipment such as: decoiler, leveling machine, deburring machine, spot welding machine, etc. . Generally, the four most important steps of sheet metal processing are shearing, punching / cutting, folding, welding, surface treatment and so on. However, the traditional sheet metal process only considers the impact of physical properties, and does not consider the chemical reaction. SUS301 is an austenitic stainless steel commonly used in sheet metal processing. Its corrosion resistance is poor. The cut of the sheet will be broken due to the stability of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C22/05C23C22/76
Inventor 汪先金
Owner 芜湖科云汽车零部件有限公司