Metal surface conditioning agent and preparation method thereof

A metal surface and adjusting agent technology, applied in the direction of metal material coating process, etc., can solve the problems of coarse phosphating film crystallization, high environmental protection pressure, large investment in phosphating equipment, etc., to achieve strong anti-rust function, reduce phosphating Effect of temperature and shortening of phosphating time

Inactive Publication Date: 2017-05-31
FOSHAN RUIJIAN SPORTS EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the surface adjustment time of the surface conditioner is long, and the obtained phosphating film has coarse crystals, thick film layer, long phosphating time, large investment in phosphating equipment, high energy consumption, large acid mist, poor solution stability, and many sediments. Unfavorable factors such as cumbersome adjustment, high pressure on environmental protection, and short service life, and the workpiece is easy to rust after phosphating

Method used

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  • Metal surface conditioning agent and preparation method thereof
  • Metal surface conditioning agent and preparation method thereof
  • Metal surface conditioning agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Each 1000Kg metal surface conditioner is made of the following raw materials:

[0031] Potassium hydroxide 200Kg, phosphoric acid 360Kg, titanyl sulfate mixed solution 130Kg, sodium tripolyphosphate 310Kg.

[0032] The titanyl sulfate mixed solution is a solution of titanyl sulfate: water = 1:2 (the titanyl sulfate mixed solution is used in the following examples).

[0033] Its preparation method comprises the following steps in turn:

[0034] (1) Add titanyl sulfate mixture to the reaction kettle;

[0035] (2) Add potassium hydroxide into the reaction kettle and stir for 3-10 minutes until the potassium hydroxide is completely dissolved;

[0036] (3) Slowly add phosphoric acid to the reactor until the reaction is complete, and the dropping time is 1-3 hours;

[0037] (4) Add sodium tripolyphosphate into the reaction kettle, stir evenly, and the stirring time is 1-3 hours;

[0038] (5) The physical and chemical indicators of the product are tested, and the product i...

Embodiment 2

[0042] Each 1000Kg metal surface conditioner is made of the following raw materials:

[0043] Potassium hydroxide 210Kg, phosphoric acid 370Kg, titanyl sulfate mixed solution 140Kg, sodium tripolyphosphate 280Kg.

[0044] The preparation method and usage method are the same as in Example 1.

Embodiment 3

[0046] Each 1000Kg metal surface conditioner is made of the following raw materials:

[0047] Potassium hydroxide 210Kg, phosphoric acid 380Kg, titanyl sulfate mixed solution 140Kg, sodium tripolyphosphate 270Kg.

[0048] The preparation method and usage method are the same as in Example 1.

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Abstract

The invention discloses a metal surface conditioning agent which is prepared from, by weight, 10-23 parts of potassium hydroxide, 36-40 parts of phosphoric acid, 13-16 parts of titanyl sulfate mixed liquor and 24-30 parts of sodium tripolyphosphate. By means of the metal surface conditioning agent, phosphorization film crystallization is more compact and uniform, adhesive force and corrosion resistance are remarkably improved, the total growth process of a conversion film can be completed at low temperature within a short time, the phosphorization film coating speed is quite high, and complete film coating can be achieved after 30 s of phosphorization.

Description

technical field [0001] The invention relates to the field of metal surface treatment agents, in particular to a metal surface regulator and a preparation method thereof. Background technique [0002] With the rapid development of the metal processing industry, the application of metal surface adjustment treatment is becoming more and more extensive. Generally, the surface adjustment time of the surface conditioner is long, and the obtained phosphating film has coarse crystals, thick film layer, long phosphating time, large investment in phosphating equipment, high energy consumption, large acid mist, poor solution stability, and many sediments. There are unfavorable factors such as cumbersome adjustment, high pressure on environmental protection, short service life, etc., and the workpiece is easy to rust after phosphating. Contents of the invention [0003] One of the purposes of the present invention is to overcome the deficiencies in the prior art and provide a metal s...

Claims

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Application Information

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IPC IPC(8): C23C22/68
CPCC23C22/68
Inventor邹明瑞
OwnerFOSHAN RUIJIAN SPORTS EQUIP CO LTD