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Method for preparing aluminum alloy anodic oxide film sealant

An anodic oxide film and sealing agent technology, which is applied in the field of preparation of aluminum alloy anodic oxide film sealing agent, can solve the problems of low qualified product rate, large consumption of medicines, many control factors, etc., so as to be beneficial to environmental protection and save energy. Effect

Inactive Publication Date: 2010-08-25
李继光
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aluminum alloy anodic oxidation film sealant formulations often contain chemical substances such as nickel acetate, nickel fluoride, and sodium fluoroborate that are likely to pollute the environment; the cold sealing method generally controls the sealing temperature between 22°C and 35°C. It causes a large amount of medicine consumption and many negative effects of control factors, especially for the film thickness greater than 25um, the qualified product rate is low; the medium temperature sealing method generally controls the sealing temperature between 55°C and 70°C, and the energy consumption is high.

Method used

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  • Method for preparing aluminum alloy anodic oxide film sealant

Examples

Experimental program
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Effect test

Embodiment 1

[0008] Embodiment 1: Take the preparation of 100 kg aluminum alloy anodized film sealant as an example. Weigh 99.28kg of deionized water, put it into the reaction kettle, start stirring and electric heating to 42°C±2°C, then put 0.3kg of zinc acetate, 0.1kg of magnesium acetate, and 0.01kg of cerium acetate into the reaction kettle in turn, and stir for 20 Minutes, then put into the reaction kettle successively 0.05kg of polyoxyethylene alkylphenol ether, 0.01kg of polyoxyethylene polyol ester, 0.1kg of triethanolamine, 0.05kg of hexamethylenetetramine, and a concentration of 5% anti-flowering agent 0.1kg, continue to control the temperature at 42°C±2°C, stir for 20 minutes, cool down to room temperature, and pack it as a sealing agent. The preparation process of the anti-China agent with a concentration of 5% is as follows: Take the preparation of 100kg anti-China agent as an example, weigh 95kg of deionized water, 4.8kg of polyvinyl alcohol, and 0.2kg of sodium hexametaphosp...

Embodiment 2

[0009] Embodiment 2: Take the preparation of 100 kg aluminum alloy anodic oxidation film sealing agent as an example. Weigh 98.715 kg of deionized water, put it into the reaction kettle, start stirring and heat it up to 46°C±2°C, then put 0.5kg of zinc acetate, 0.2kg of magnesium acetate, and 0.03kg of cerium acetate into the reaction kettle in turn, and stir for 25 Minutes, then put into the reaction kettle successively 0.1kg of polyoxyethylene alkylphenol ether, 0.03kg of polyoxyethylene polyol ester, 0.125kg of triethanolamine, 0.075kg of hexamethylenetetramine, and a concentration of 10% anti-scaling agent 0.225kg, continue to control the temperature at 46°C±2°C, stir for 25 minutes, cool down to room temperature, and pack it as a sealing agent. The preparation process of the anti-China agent with a concentration of 10% is as follows: Take the preparation of 100kg anti-China agent as an example, weigh 90kg of deionized water, 9.7kg of polyvinyl alcohol, and 0.3kg of sodium...

Embodiment 3

[0010] Embodiment 3: Take the preparation of 100 kg aluminum alloy anodic oxidation film sealing agent as an example. Weigh 98.15 kg of deionized water, put it into the reaction kettle, start stirring and electric heating to 50°C±2°C, then put 0.7kg of zinc acetate, 0.3kg of magnesium acetate, and 0.05kg of cerium acetate into the reaction kettle in turn, and stir for 30 Minutes, then put into the reaction kettle successively 0.15kg of polyoxyethylene alkylphenol ether, 0.05kg of polyoxyethylene polyol ester, 0.15kg of triethanolamine, 0.10kg of hexamethylenetetramine, and a concentration of 15% anti-scaling agent 0.35kg, continue to control the temperature at 50°C±2°C, stir for 30 minutes, cool down to room temperature, and pack it as a sealing agent. The preparation process of anti-China agent with a concentration of 15% is as follows: Take the preparation of 100kg anti-China agent as an example, weigh 85kg of deionized water, 14.5kg of polyvinyl alcohol, and 0.5kg of sodium...

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Abstract

The invention discloses a method for preparing an aluminum alloy anodic oxide film sealant, which comprises the main processes of adding deionized water, zinc acetate, magnesium acetate, cerium acetate, surfactant, hydration promoter and sublimation preventing agent into a reaction kettle in turn, and mixing, stirring and heating the components to form the sealant. One of the important components of the sealant is sublimation preventing agent which is prepared by mixing the deionized water, polyvinyl alcohol and sodium hexametaphosphate together and then stirring and heating the mixture in the reaction kettle. The raw materials adopted by the preparation method do not contain nickel and fluorine elements, so the sealant is favorable for environmental protection; and the sealant reduces energy consumption during use, and improves the qualification rate of aluminum alloy products.

Description

technical field [0001] The invention relates to a preparation method of an aluminum alloy anodic oxidation film sealant; in particular, it refers to a sealing agent for an aluminum alloy anodic oxidation film whose sealing temperature is between 35°C and 45°C and whose formula does not contain nickel and fluorine. Preparation. Background technique [0002] At present, the sealing process of aluminum alloy anodized film in China mostly adopts the cold sealing method and medium temperature sealing method of salt solution containing nickel and fluorine elements. Aluminum alloy anodic oxidation film sealant formulations often contain chemical substances such as nickel acetate, nickel fluoride, and sodium fluoroborate that are likely to pollute the environment; the cold sealing method generally controls the sealing temperature between 22°C and 35°C. It causes a large amount of medicine consumption and many negative effects of control factors, especially for the film thickness gr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/18C25D11/24
Inventor 李继光李光东李光军
Owner 李继光
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