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Air-permeability aluminum foil and preparation method thereof

A technology of air permeability and aluminum foil, which is applied in the field of aluminum foil processing, can solve the problems of corrosion resistance, poor oxidation resistance, poor air permeability, waste, etc., and achieve the effects of easy recycling, improved air permeability, and good corrosion resistance

Active Publication Date: 2011-03-16
新疆生产建设兵团第八师天山铝业有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the maximum number of pinholes in conventional aluminum foil products is 1500 / m 2 , poor air permeability, cannot meet the needs of new agricultural fertilization, and such as poor corrosion resistance and oxidation resistance, it is not easy to recycle, and the waste is large

Method used

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Examples

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Comparison scheme
Effect test

Embodiment Construction

[0028] A preparation method of air-permeable aluminum foil, the process steps of the preparation method are:

[0029] Batching→smelting→cast rolling (6.0~10.0mm thickness cast rolling coil)→cold rolling (0.6~1.2mm thickness)→intermediate annealing (H24 state)→cold rolling (0.28~0.5mm thickness)→foil rolling to finished product Thickness (0.03 ~ 0.05mm) → slitting to finished product specifications → finished annealing (H22 state).

[0030] Step 1: batching, smelting, casting and rolling

[0031] According to the conventional production process, the 3003 alloy is batched and smelted, and the liquid metal is directly produced by the twin-roll continuous casting and rolling technology to produce a 6.0-10.0mm thick thin slab suitable for cold rolling.

[0032] Step 2: cold rolling

[0033] After casting and rolling, the cast-rolled billet with a thickness of 6.0-10.0mm is processed at a processing rate of 25-35% for each pass, and after 5-6 passes of cold rolling and rolling, it...

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Abstract

The invention relates to an air-permeability aluminum foil and a preparation method thereof, wherein the aluminum foil is mainly suitable for air-permeability packaging in requirements of agricultural production and daily life. The aluminum foil is characterized by being made of 3003 alloy, the thickness of the aluminum foil is 0.03-0.05 mm, pinholes which can reach more than 10,000 every square meter are densely distributed on the surface of the aluminum foil, and the maximum diameter of each pinhole is not more than 0.05 mm. The preparation method comprises the following process steps: batching, smelting, cast-rolling, cold-rolling, interannealing, cold-rolling, and foil-rolling to reach the finished thickness, slitting into a finished specification, and finished annealing. The invention has the advantages of good air permeability, strong corrosion resistance and strong oxidation resistance.

Description

(1) Technical field [0001] The invention relates to a gas-permeable aluminum foil and a preparation method thereof. The aluminum foil is mainly suitable for agricultural production, daily life and gas-permeable packaging. The invention belongs to the technical field of aluminum foil processing. (2) Background technology [0002] In the past, the production of aluminum sheet, strip and foil pursued series features such as airtightness and good cladding, and was widely used in the fields of radiators, packaging, electrical and construction, and became an indispensable product for economic development and people's daily life. However, the use of aluminum foil The research on agricultural production is basically in a blank stage. As we all know, the growth of crops mainly depends on the application of chemical fertilizers to promote the growth of crops, but the soil that has been used for a long time is prone to compaction and hardening, which seriously affects the soil structu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D65/38B65D65/02A01C21/00B21C37/00B21B1/40B21B37/58B21B37/16B21B27/02B21B37/48C22C1/02B22D11/06C22F1/04C21D1/26C21D9/46
Inventor 吴丹谭军朱东年黄善球王民生
Owner 新疆生产建设兵团第八师天山铝业有限公司
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