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Multifunctional aluminum material corrosion-inhibition polishing pickling agent

A pickling agent and multi-functional technology, which is applied in the field of multi-functional aluminum corrosion-inhibiting polishing pickling agents, which can solve the problems of many aluminum materials, blackening of the material surface and corrosion.

Inactive Publication Date: 2015-04-08
苏州禾川化学技术服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the nature of aluminum is relatively active, and more aluminum is lost due to corrosion during the pickling process; at the same time, improper control of acidity or other factors will lead to blackening of the surface of the material, and even corrosion is more common

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A multi-functional aluminum anti-corrosion polishing pickling agent, which is prepared from the following raw materials:

[0027] 49 parts of phosphoric acid, 28 parts of sulfuric acid, 2 parts of nitric acid, 5 parts of compound corrosion inhibitor (2-mercaptobenzothiazole, 2-hydroxybenzothiazole), 0.2 part of sodium tungstate, 1.3 parts of sodium metasilicate, 2 parts of tartaric acid Parts, 2 parts of fatty alcohol polyoxyethylene ether-9 (AEO9), 0.05 part of copper sulfate pentahydrate, water balance, total amount 100 parts;

[0028] A kind of multi-functional aluminum anti-corrosion polishing pickling agent is prepared by the following steps:

[0029] 1) After uniformly mixing 5 parts of compound corrosion inhibitor, 2 parts of tartaric acid, 92 parts of fatty alcohol polyoxyethylene ether, 0.2 part of sodium tungstate, and 0.05 part of copper sulfate pentahydrate with water, turn on electric stirring, and stir until It dissolves and is designated as component A; ...

Embodiment 2

[0034] A multi-functional aluminum anti-corrosion polishing pickling agent, which is prepared from the following raw materials:

[0035] 58 parts of phosphoric acid, 20 parts of sulfuric acid, 5 parts of compound corrosion inhibitor (2-methylbenzimidazole, benzotriazole), 1.2 parts of sodium tripolyphosphate, 3 parts of citric acid, 0.07 part of ferric chloride, PEG4002 Parts, 10.73 parts of water, 100 parts in total.

[0036] A kind of multi-functional aluminum anticorrosion polishing pickling agent, comprises the following steps:

[0037] 1) After uniformly mixing 5 parts of compound corrosion inhibitor, 1.2 parts of sodium tripolyphosphate, 3 parts of citric acid, 2 parts of PEG4000 and 0.07 parts of ferric chloride with water, turn on the electric stirring, stir until it dissolves, and set it as the composition Point A;

[0038] 2) Take 58 parts of phosphoric acid and 20 parts of sulfuric acid, turn on the electric stirring, stir well until they are evenly mixed, and set...

Embodiment 3

[0042] A multi-functional aluminum anti-corrosion polishing pickling agent, which is prepared from the following raw materials:

[0043] 42.0 parts of phosphoric acid, 40 parts of sulfuric acid, 0.5 parts of hydrofluoric acid, 0.5 parts of nitric acid, 6 parts of compound corrosion inhibitors (2-methylbenzothiazole, 2-mercaptobenzothiazole), 1.7 parts of sodium molybdate, 1 part of sodium gluconate, 2 parts of polyether, 0.1 part of aluminum sulfate, 0.05 part of copper sulfate pentahydrate, 6.15 parts of water, 100 parts in total.

[0044] A kind of aluminum multi-functional aluminum material anticorrosion polishing pickling agent, comprises the following steps:

[0045] 1) Mix 6 parts of compound corrosion inhibitor, 1 part of sodium gluconate, 1.7 parts of sodium molybdate, 2 parts of polyether, 0.1 part of aluminum sulfate, and 0.05 part of copper sulfate pentahydrate with 6 parts of water, and turn on the motor Stir, fully stir until it dissolves, and determine it as com...

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PUM

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Abstract

The invention discloses a multifunctional aluminum material corrosion-inhibition polishing pickling agent. The multifunctional aluminum material corrosion-inhibition polishing pickling agent is prepared from the following components in parts by weight: 70-85 parts of inorganic acid, 3-8 parts of a compound organic corrosion inhibitor, 1-2 parts of an inorganic corrosion inhibitor, 2-4 parts of a surfactant, 1-3 parts of a complexing agent, 0.05-0.3 part of micro high-valent metal ion salt and 5-15 parts of a solvent. The multifunctional aluminum material corrosion-inhibition polishing pickling agent disclosed by the invention can be used for quickly and efficiently cleaning the surface of the aluminum material to achieve effects of removing oil, scrubbing, polishing, passivating and the like, thereby avoiding resource waste caused by an over corrosion phenomenon; after being pickled, the aluminum material can be restored to be bright and clean, so that the aluminum material is almost not corroded.

Description

technical field [0001] The invention relates to chemicals for aluminum and its alloys, in particular to a multifunctional pickling agent for corrosion inhibition and polishing of aluminum materials. Background technique [0002] Due to its special properties: light weight, good thermal and electrical conductivity, high strength, etc., aluminum has been widely used in various industries, especially in construction, structural industry and electrical engineering. And in some application fields, it replaces the traditional iron-based materials. According to special needs, appropriate addition of aluminum alloys prepared by other metals can improve a certain special performance of aluminum, which becomes a necessary condition for aluminum to be used in designated fields. [0003] In order to improve the surface performance or further processing of aluminum materials, cleaning is usually encountered in the process of aluminum processing. On the market, the common ones are alkal...

Claims

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Application Information

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IPC IPC(8): C23G1/06C23G1/12C23F3/03
CPCC23G1/06C23F3/03C23G1/125
Inventor 景欣欣苏丽敏陈珍珍杜威劲
Owner 苏州禾川化学技术服务有限公司
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