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0.022 mm temperature-tolerance decoration foil and preparation method thereof

A technology with high temperature resistance and mass fraction, which is applied in the field of aluminum foil processing, can solve the problems of heat softening of materials, deformation and wrinkling of aluminum foil, and instability of mechanical properties of aluminum foil, so as to improve metal temperature resistance, increase recrystallization temperature, and increase alloy strength Effect

Active Publication Date: 2010-01-20
新疆天展新材料科技有限公司
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Problems solved by technology

In the past, the thinnest thickness of decorative foil produced by various aluminum foil manufacturers was 0.03mm, and it could meet the technical requirements of users for the temperature resistance of aluminum foil. However, most manufacturers have not tried to produce decorative foil with the thinnest thickness of 0.022mm. Although the aluminum foil with a thickness of 0.022mm processed by the 8011 alloy used by the previous manufacturer can still maintain its surface color uniformity and fineness, it only takes 3 to 5 seconds at the drying temperature of 220 ° C to instantly change from tensile strength to aluminum foil. The strength is 200-220Mpa and drops to 100-115Mpa, and there is an obvious phenomenon of heat softening of the material, so that the mechanical properties of the aluminum foil will be unstable and the material will become soft during the drying process of the coating, resulting in deformation and wrinkling of the aluminum foil The problem

Method used

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  • 0.022 mm temperature-tolerance decoration foil and preparation method thereof
  • 0.022 mm temperature-tolerance decoration foil and preparation method thereof
  • 0.022 mm temperature-tolerance decoration foil and preparation method thereof

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Embodiment Construction

[0022] A method for preparing a 0.022mm heat-resistant decorative foil, the mass fraction of alloy elements in the 0.022mm thick decorative foil is mainly composed of the content in Table 2, and the process is as follows:

[0023] 1. The chemical composition is described in Table 2:

[0024] Table 2 chemical composition

[0025]

[0026] 2. Other quality indicators of cast-rolled coils meet the requirements of YS / T90-2002 aluminum and aluminum alloy cast-rolled strip standards;

[0027] 3. Production process: 6.0~10.0mm (cast rolling plate)→cold rolling to 0.44~0.85mm→intermediate annealing (H22 state)→cold rolling to 0.28~0.60mm→foil rolling to finished product thickness (0.022mm) → Slitting.

[0028] 4. Intermediate annealing process system

[0029] Furnace gas temperature control method is used for annealing, that is, furnace is installed at ≤100°C, heated for 1.5 hours to 350-450°C, and kept for 5-15 hours; cooled for 0.5 hours to 320-380°C, kept for 5-15 hours, and ...

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Abstract

The invention relates to a 0.002 mm temperature-tolerance decoration foil and a preparation method thereof. The decoration foil is characterized by being made by adding 0.10-0.20 percent by weight of Cu element on the basis of 8011 alloy. The preparation method comprises the following process procedures: cold-rolling a cast-rolling plate into 0.44-0.85 mm from 6.0-10.0 mm, adopting an H22 status for interannealing, cold-rolling to 0.28-0.60 mm, foil-rolling to reach a finished thickness of 0.022 mm, and slitting, wherein the H22 status annealing process comprises the following steps: adopting a burner-gas temperature controlling way for annealing, namely, charging below 100 DEG C, heating 1.5 hours till the temperature reaches 350-450 DEG C, and preserving the temperature for 5-15 hours; cooling for 0.5 hour till the temperature reaches 320-380 DEG C, preserving the temperature for 5-15 hours, cooling for 1.5 hours till the temperature reaches 200 DEG C, and discharging; and achieving the total processing ratio being more than 95 percent after interannealing. The invention has good temperature tolerance and stable quality.

Description

(1) Technical field [0001] The invention relates to a 0.022mm temperature-resistant decorative foil and a preparation method thereof. The invention belongs to the technical field of aluminum foil processing. (2) Background technology [0002] In the past, in the production of decorative foil products, most of the aluminum foil manufacturers mainly produced 1100 alloy. With the expansion of the export market share of the aluminum-plastic panel industry, users have higher and higher requirements for the surface quality of aluminum foil products. In order to improve the surface quality of decorative foil , To solve the technical problems such as surface color difference and organizational stripes, the use of 8011 alloy has been effectively solved. In recent years, the competition in the aluminum-plastic panel market has become increasingly intensified, and the profit margin has become smaller and smaller. Users have higher yields for aluminum-plastic panels. The thickness of t...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04C21D1/26
Inventor 吴丹谭军朱东年黄善球王民生
Owner 新疆天展新材料科技有限公司
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