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Surface treatment method of thin aluminum plate for waterproof building material

A surface treatment and thin aluminum plate technology, which is applied in the direction of surface reaction electrolytic coating, superimposed layer plating, metal material coating process, etc., can solve problems such as poor durability, poor surface performance, and easy peeling of the surface paint layer. Achieve high production efficiency, easy promotion and application, and improve the overall quality and life of use

Inactive Publication Date: 2020-02-07
萧县金虹新型防水建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, materials such as thin aluminum plates usually need to be coated with a paint layer on their surface when they are used for waterproofing. However, due to the small size and thickness of thin aluminum plates and their poor surface properties, it is easy to cause poor waterproof and anti-corrosion durability. Poor, and the surface paint layer is easy to fall off, etc., need continuous optimization and improvement

Method used

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  • Surface treatment method of thin aluminum plate for waterproof building material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for surface treatment of a thin aluminum plate for waterproof building materials, comprising the steps of:

[0032] (1) Surface cleaning and activation treatment:

[0033] First rinse the surface of the thin aluminum plate with deionized water, and then immerse the thin aluminum plate in the phosphoric acid solution for 6 seconds. The mass fraction of phosphoric acid in the phosphoric acid solution used is 1%, and finally take it out and rinse it again with deionized water. reserve;

[0034] (2) Surface impact treatment:

[0035] Put the thin aluminum plate treated in step (1) into the surface nano-processing device for impact, forming a nano-scale surface layer on its surface, and take it out for use after completion; the nano-processing device used is disclosed by the application number: 201110458558.0 A device for hitting and accelerating metal balls to impact surface nanometerization can also be processed by a device with a similar working principle, but ...

Embodiment 2

[0041] A method for surface treatment of a thin aluminum plate for waterproof building materials, comprising the steps of:

[0042] (1) Surface cleaning and activation treatment:

[0043] First rinse the surface of the thin aluminum plate with deionized water, and then immerse the thin aluminum plate in the phosphoric acid solution for 6 seconds. The mass fraction of phosphoric acid in the phosphoric acid solution used is 1%, and finally take it out and rinse it again with deionized water. reserve;

[0044] (2) Passivation treatment:

[0045] Immerse the thin aluminum plate treated in step (1) into the passivation treatment solution, heat to keep the temperature of the passivation treatment solution at 35°C, take it out after 15 seconds of passivation treatment, rinse it with deionized water once and set aside; passivation treatment solution The components and their corresponding parts by weight are: 180 parts of water-based acrylic resin, 5 parts of potassium permanganate, ...

Embodiment 3

[0049] A method for surface treatment of a thin aluminum plate for waterproof building materials, comprising the steps of:

[0050] (1) Surface cleaning and activation treatment:

[0051] First rinse the surface of the thin aluminum plate with deionized water, and then immerse the thin aluminum plate in the phosphoric acid solution for 6 seconds. The mass fraction of phosphoric acid in the phosphoric acid solution used is 1%, and finally take it out and rinse it again with deionized water. reserve;

[0052] (2) Surface impact treatment:

[0053] Put the thin aluminum plate treated in step (1) into the surface nano-processing device for impact, forming a nano-scale surface layer on its surface, and take it out for use after completion; the nano-processing device used is disclosed by the application number: 201110458558.0 A device for hitting and accelerating metal balls to impact surface nanometerization can also be processed by a device with a similar working principle, but ...

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Abstract

The invention discloses a surface treatment method of a thin aluminum plate for a waterproof building material. The surface treatment method of the thin aluminum plate for the waterproof building material includes the following steps of (1) surface cleaning activation treatment; (2) surface shock treatment; (3) passivating treatment; and (4) micro-arc oxidation treatment. The surface treatment method of the thin aluminum plate for the waterproof building material uses the common and simple processes, effectively improves comprehensive usage quality and life of the thin aluminum plate through reasonable cooperation among the processes, and is easy to popularize and apply.

Description

technical field [0001] The invention belongs to the technical field of waterproof building material processing, and in particular relates to a surface treatment method of a thin aluminum plate used for waterproof building materials. Background technique [0002] Waterproof building materials are the building envelope to prevent the penetration of rainwater, snow water and groundwater; to prevent the erosion of moisture, steam and other harmful gases and liquids in the air; the separation structure to prevent the seepage of water supply and drainage. These materials that prevent penetration, leakage and erosion are collectively referred to. There are many kinds of waterproof building materials, which are divided into 4 categories according to their main raw materials: ① asphalt waterproof materials, ② rubber and plastic waterproof materials, ③ cement waterproof materials, ④ metal waterproof materials. Among them, metal waterproof materials are also very common in people's da...

Claims

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Application Information

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IPC IPC(8): C25D11/06C23C22/08C23C22/78C23C28/00
CPCC23C22/08C23C22/78C23C28/00C25D11/026C25D11/06
Inventor 余敏侠
Owner 萧县金虹新型防水建材有限公司