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Metal surface treatment solution and preparation method thereof

A metal surface treatment and aqueous solution technology, applied in the field of metal surface treatment, can solve the problems of waste water, waste residue, waste gas discharge, environmental pollution, secondary oxidation, etc., and achieve the effect of promoting degradation, facilitating separation and removal, and strong rust removal

Inactive Publication Date: 2018-10-23
河南妙天控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid and other strong corrosive acids are mainly used in the treatment of metal surfaces. Although these strong corrosive acids can clean the attachments on the metal surface, there will be waste water, The three wastes of waste residue and waste gas are discharged, so they will pollute the environment and are not environmentally friendly
And the cleaning solution in the prior art, usually after cleaning the metal surface, if the protective solution is not applied, secondary oxidation will occur on the metal surface in about 7 days

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032]A metal surface treatment solution, which is prepared from the following raw materials in proportions by weight: 7 parts of industrial phosphoric acid, 3 parts of polyethylene glycol, 3 parts of glacial acetic acid, 0.5 part of rhodin, 3 parts of 98wt% sulfuric acid, sulfuric acid 0.8 parts of urea, 2 parts of trisodium phosphate, 2 parts of triethanolamine, 1 part of TX-10 emulsifier, 0.8 parts of urea, 2 parts of industrial salt, 1 part of polymer composite synergist, sodium dodecylbenzenesulfonate 0.5 parts, 90 parts of deionized water.

[0033] The preparation method of metal surface treatment liquid comprises the following steps:

[0034] (1) Weigh various raw materials except industrial phosphoric acid, 98wt% sulfuric acid and polymer composite synergistic active agent according to the stated ratio, and put the weighed various raw materials in corresponding containers, and then respectively Add deionized water to the container containing the corresponding raw mate...

Embodiment 2

[0037] A metal surface treatment solution, which is prepared from the following raw materials in proportions by weight: 11 parts of industrial phosphoric acid, 5.5 parts of polyethylene glycol, 5.5 parts of glacial acetic acid, 0.8 part of rhodine, 5.5 parts of 98wt% sulfuric acid, sulfuric acid 1.9 parts of urea, 4 parts of trisodium phosphate, 5 parts of triethanolamine, 2 parts of TX-10 emulsifier, 1.4 parts of urea, 4 parts of industrial salt, 2.2 parts of polymer compound synergistic active agent, sodium dodecylbenzenesulfonate 1.5 parts, 145 parts of deionized water.

[0038] The preparation method of metal surface treatment liquid comprises the following steps:

[0039] (1) Weigh various raw materials except industrial phosphoric acid, 98wt% sulfuric acid and polymer composite synergistic active agent according to the stated ratio, and put the weighed various raw materials in corresponding containers, and then respectively Add deionized water to the container containin...

Embodiment 3

[0042] A metal surface treatment solution, which is prepared from the following raw materials in proportions by weight: 15 parts of industrial phosphoric acid, 8 parts of polyethylene glycol, 8 parts of glacial acetic acid, 1.2 parts of rhodin, 8 parts of 98wt% sulfuric acid, sulfuric acid 3 parts of urea, 6 parts of trisodium phosphate, 8 parts of triethanolamine, 3 parts of TX-10 emulsifier, 2 parts of urea, 6 parts of industrial salt, 3.5 parts of polymer compound synergist, sodium dodecylbenzenesulfonate 2.5 parts, 200 parts of deionized water.

[0043] The preparation method of metal surface treatment liquid comprises the following steps:

[0044] (1) Weigh various raw materials except industrial phosphoric acid, 98wt% sulfuric acid and polymer composite synergistic active agent according to the stated ratio, and put the weighed various raw materials in corresponding containers, and then respectively Add deionized water to the container containing the corresponding raw m...

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Abstract

The invention discloses a metal surface treatment solution and a preparation method thereof. The metal surface treatment solution is prepared from the following raw materials of, by weight, 7-15 partsof industrial phosphoric acid, 3-8 parts of polyethylene glycol, 3-8 parts of glacial acetic acid, 0.5-1.2 parts of rodine, 3-8 parts of sulfuric acid of 98 wt%, 0.8-3 parts of thiourea, 2-6 parts oftrisodium phosphate, 2-8 parts of triethanolamine, 1-3 parts of TX-10 emulgator, 0.8-2 parts of urea, 2-6 parts of industrial salt, 1-3.5 parts of macromolecule compound synergistic active agents, 0.5-2.5 parts of sodium dodecyl benzene sulfonate and 90-200 parts of deionized water. The prepared metal surface treatment solution can perform deoiling, derusting and oxide layer removal on the metalsurface, is safe and reliable in usage and has no emission of waste water, waste slag or waste gas, a protective film can be formed on the metal surface after the metal surface is cleaned through theprepared metal surface treatment solution, and the cleaned metal surface is not rusted or oxidized again within one month.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, and in particular relates to a metal surface treatment liquid and a preparation method thereof. Background technique [0002] Metal surface treatment includes degreasing, rust removal, phosphating, anti-rust and other substrate pre-treatments. Metal surface treatment is a preparation for metal coating technology and metal protection technology. usage has a great impact. [0003] At present, sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid and other strong corrosive acids are mainly used in the treatment of metal surfaces. Although these strong corrosive acids can clean the attachments on the metal surface, there will be waste water, The three wastes of waste residue and waste gas are discharged, so they will pollute the environment and are not environmentally friendly. And the cleaning liquid in the prior art usually after cleaning the metal surface, if not coated ...

Claims

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Application Information

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IPC IPC(8): C23G1/06
CPCC23G1/065
Inventor 夏光甫王海水王鹏
Owner 河南妙天控股有限公司
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