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A kind of aluminum alloy cleaning agent and its preparation method and aluminum alloy cleaning method

A technology of aluminum alloy and cleaning agent, which is applied in the field of metal cleaning, can solve the problems of toxic pollutants, large quantities, and the impact of sustainable development, and achieve good results and reduce corrosion

Active Publication Date: 2019-11-05
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This process bath liquid contains nitric acid, hydrofluoric acid, fluoride and chromate, and produces a large amount of toxic pollutants such as nitrogen oxides, hydrogen fluoride, and chromate during the production process, which is harmful to the health of workers and the sustainable development of society. cause serious impact

Method used

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  • A kind of aluminum alloy cleaning agent and its preparation method and aluminum alloy cleaning method
  • A kind of aluminum alloy cleaning agent and its preparation method and aluminum alloy cleaning method

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preparation example Construction

[0017] The present invention also provides a preparation method of an aluminum alloy cleaning agent, which is prepared by mixing the above components together, stirring and dissolving with water.

[0018] The present invention also provides an aluminum alloy cleaning method, which uses the aluminum alloy cleaning agent described in the present invention to clean the base material. The cleaning temperature is 10-90° C., and the cleaning time is 0.5-10 minutes. Preferably, ultrasonic assistance is used.

Embodiment 1~5、 comparative example 1~3

[0021] 1. Preparation of aluminum alloy cleaning agent: configure according to the composition ratio in Table 1, weigh and mix various components together, stir and dissolve with water, and prepare 1L aluminum alloy cleaning agent each.

[0022] 2. Put the aluminum alloy (grade 6061) samples into the aluminum alloy cleaning agents prepared in step 1 for cleaning. The temperature is 60 degrees, and the time is 1 minute.

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Abstract

An aluminum alloy cleanser, a production method of same, and a cleaning method of aluminum alloy. The aluminum alloy cleanser includes water, a complexing agent, an accelerant, a surfactant, hydroxylethidene diphosphonic acid and thiosemicarbazide. The aluminum alloy cleanser is low in content of components, not only can remove oil and grease but also can completely remove the oxidization layer on aluminum alloy without corrosion on the basic material, and has excellent cleaning effect.

Description

technical field [0001] The invention relates to a metal cleaning technology, in particular to a formula of an aluminum alloy cleaning agent, a preparation method thereof and an aluminum alloy cleaning method. Background technique [0002] In the processing of aluminum and aluminum alloy products, the degreasing and cleaning process is an important quality control process, and its treatment effect directly affects the treatment effect of subsequent processes and product quality. Regarding the degreasing and cleaning of aluminum and aluminum alloys, the degreasing process of steel was followed in the early stage. The process bath has high cost, is not easy to clean, and is severely corroded. Since the 1980s, people have used acidic degreasing agents to degrease at room temperature. This process bath liquid contains nitric acid, hydrofluoric acid, fluoride and chromate, and produces a large amount of toxic pollutants such as nitrogen oxides, hydrogen fluoride, and chromate du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/12C23G5/06
CPCC23G1/125C23G5/06
Inventor 韦家亮
Owner BYD CO LTD