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Corrosion-resistance aluminum alloy door/window and preparation method thereof

A corrosion-resistant aluminum alloy, aluminum alloy door and window technology, applied in the field of doors and windows, can solve the problems that the surface of doors and windows is easily corroded, affecting the appearance and use, and surface wear and tear

Inactive Publication Date: 2017-03-08
ANHUI KATA DOOR & WINDOW
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the currently commercially available aluminum alloy doors and windows are prone to surface wear during use, and the surfaces of doors and windows are easily corroded, which affects their appearance and use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) In parts by weight, 2 parts of styrene, 4 parts of acetone, 31 parts of isopropanol, 41 parts of urea-formaldehyde resin, 5 parts of sodium lauryl sulfate and 4 parts of polyvinyl chloride with a weight average molecular weight of 70,000 mixing to make a coating composition;

[0020] (2) The aluminum alloy door and window substrate is degreased with a soda ash solution with a pH value of 9 and sodium dodecylbenzenesulfonate in turn;

[0021] (3) Alternately washing the aluminum alloy door and window substrate after the degreasing treatment with water and ethanol, and the alternate washing is to first use water to wash;

[0022] (4) The coating composition was coated on the surface of the aluminum alloy door and window substrate after surface cleaning by multiple coating methods, and heated at a temperature of 110° C. for 35 minutes to prepare the corrosion-resistant aluminum alloy door and window A1.

Embodiment 2

[0024] (1) In parts by weight, 2 parts of styrene, 8 parts of acetone, 38 parts of isopropanol, 50 parts of urea-formaldehyde resin, 9 parts of sodium lauryl sulfate and 8 parts of polyvinyl chloride with a weight average molecular weight of 90,000 mixing to make a coating composition;

[0025] (2) Degreasing the aluminum alloy door and window substrate with sodium silicate solution and fatty acid glyceride with a pH value of 13 in turn;

[0026] (3) Alternately washing the aluminum alloy door and window substrate after the degreasing treatment with water and ethanol, and the alternate washing is to first use water to wash;

[0027] (4) The coating composition was coated on the surface of the aluminum alloy door and window substrate after surface cleaning by multiple coating methods, and heated at a temperature of 130° C. for 50 min to prepare the corrosion-resistant aluminum alloy door and window A2.

Embodiment 3

[0029] (1) In parts by weight, 2 parts of styrene, 6 parts of acetone, 35 parts of isopropanol, 45 parts of urea-formaldehyde resin, 7 parts of sodium lauryl sulfate and 5 parts of polyvinyl chloride with a weight average molecular weight of 80,000 mixing to make a coating composition;

[0030] (2) Degreasing the aluminum alloy door and window substrate with sodium tripolyphosphate solution and sodium glycocholate with a pH value of 11 in turn;

[0031] (3) Alternately washing the aluminum alloy door and window substrate after the degreasing treatment with water and ethanol, and the alternate washing is to first use water to wash;

[0032] (4) The coating composition was coated on the surface of the aluminum alloy door and window substrate after surface cleaning by multiple coating methods, and heated at a temperature of 120° C. for 40 minutes to prepare the corrosion-resistant aluminum alloy door and window A3.

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PUM

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Abstract

The invention discloses a preparation method of a corrosion-resistance aluminum alloy door / window. The preparation method comprises the following steps: (1) styrene, acetone, isopropanol, urea resins, lauryl sodium sulfate and polyvinyl chloride are mixed to prepare a coating composition; (2) an aluminum alloy door / window basal body is deoiled by alkali liquid and a surface active agent in sequence; (3) the deoiled aluminum alloy door / window basal body is cleaned the surface by ethanol and water; and (4) the coating composition is coated on the cleaned surface of the aluminum alloy door / window basal body, and is heated to prepare the corrosion-resistance aluminum alloy door / window; and corresponding to 2 parts of styrene, 4-8 parts of acetone, 30-40 parts of isopropanol, 40-50 parts of urea resins, 5-9 parts of lauryl sodium sulfate and 3-8 parts of polyvinyl chloride are added. The corrosion-resistance aluminum alloy door / window prepared through the method is excellent in mechanical performance and corrosion resistance.

Description

technical field [0001] The invention relates to doors and windows, in particular to corrosion-resistant aluminum alloy doors and windows and a preparation method thereof. Background technique [0002] Doors and windows are an important part of the building envelope structure system. According to their constituent materials, common doors and windows include wooden doors and windows, glass doors and windows, and aluminum alloy doors and windows. Wooden doors and windows are flammable, easy to deform, difficult to repair after being damaged, easy to crack, scar, poor corrosion resistance, susceptible to insects, etc., and prone to mildew when exposed to moisture. Glass doors and windows have fragile defects which limit their applications. Aluminum alloy doors and windows are widely used in industrial production because of their advantages such as not easy to rust, easy to process, relatively low price, light weight, and can be made into complex sections and structures. In addi...

Claims

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Application Information

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IPC IPC(8): B05D7/14B05D3/10B05D5/00B05D3/02C09D4/06C09D4/00C09D7/12C09D5/08
CPCB05D7/14B05D3/0254B05D3/102B05D5/00B05D2202/25B05D2506/25B05D2518/00C09D4/00C09D4/06C09D5/08C09D7/63C09D7/65
Inventor 洪长林
Owner ANHUI KATA DOOR & WINDOW
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