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Oil removal technology for improving surface wetting tension of aluminum foil for medicinal application

A technology of surface tension and aluminum foil, which is applied in the degreasing process of aluminum foil and the degreasing process field of improving the wetting tension of blister medical aluminum foil. Effect of lowering and increasing wetting tension

Inactive Publication Date: 2017-08-18
JIANGSU DAYA ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the degreasing is not complete, the aluminum foil products will have defects such as oil stickiness, foaming, lines, oil spots, etc. These defects generally do not appear periodically in the finished product, and it is not easy to find them in the inspection. The main reason is the rolling of the aluminum foil surface. Oil cleaning is not clean

Method used

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  • Oil removal technology for improving surface wetting tension of aluminum foil for medicinal application

Examples

Experimental program
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Effect test

Embodiment 1

[0023] The degreasing process of 8011 alloy aluminum foil with a surface tension of 34 dynes, a tensile strength of 150MPa, and an elongation of 2%:

[0024] First, raise the temperature of the annealing furnace to a constant temperature of 85°C;

[0025] Secondly, put the 8011 alloy aluminum foil to be processed in the annealing furnace frame and put it on the annealing furnace trolley. After the temperature of the annealing furnace reaches a constant temperature of 85°C, open the furnace door and send the 8011 alloy aluminum foil to be processed into the annealing furnace trolley. furnace;

[0026] Again, keep warm at 85°C for 5 hours at a constant temperature;

[0027] Finally, after 5 hours of heat preservation, open the furnace door, take out the annealing furnace trolley, and naturally cool to room temperature in the air for index detection.

Embodiment 2

[0029] The degreasing process of 8011 alloy aluminum foil with a surface tension of 34 dynes, a tensile strength of 160MPa, and an elongation of 2%:

[0030] First, raise the temperature of the annealing furnace to a constant temperature of 82°C;

[0031] Secondly, put the 8011 alloy aluminum foil to be processed in the annealing furnace frame and put it on the annealing furnace trolley. After the temperature of the annealing furnace reaches a constant temperature of 82°C, open the furnace door and send the 8011 alloy aluminum foil to be processed into the annealing furnace trolley. furnace;

[0032] Again, keep warm at 82°C for 4.5 hours at a constant temperature;

[0033] Finally, after 4.5 hours of heat preservation, open the furnace door, take out the annealing furnace trolley, and naturally cool it to room temperature in the air for index detection.

Embodiment 3

[0035] The degreasing process of 8011 alloy aluminum foil with a surface tension of 34 dynes, a tensile strength of 170MPa, and an elongation of 2%:

[0036] First, raise the temperature of the annealing furnace to a constant temperature of 80°C;

[0037] Secondly, put the 8011 alloy aluminum foil to be processed in the annealing furnace frame and put it on the annealing furnace trolley. After the temperature of the annealing furnace reaches a constant temperature of 80°C, open the furnace door, and send the 8011 alloy aluminum foil to be processed into the annealing furnace trolley. furnace;

[0038] Again, keep warm at 80°C for 4.5 hours at a constant temperature;

[0039] Finally, after 4.5 hours of heat preservation, open the furnace door, take out the annealing furnace trolley, and naturally cool it to room temperature in the air for index detection.

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Abstract

The invention discloses a degreasing process for improving the surface wetting tension of medicinal aluminum foil, which belongs to the technical field of medicinal aluminum foil processing and comprises the following steps: (1) raising the temperature of the annealing furnace to a preset temperature; The aluminum foil is installed in the annealing furnace frame and placed on the annealing furnace trolley; (3) After reaching the preset temperature, the furnace door is opened, and the aluminum foil to be processed is sent into the furnace by the annealing furnace trolley; (4) at the preset temperature Predetermined heat preservation time; (5) Open the furnace door after the predetermined time of heat preservation, take out the annealing furnace trolley, and naturally cool to room temperature in the air. In particular, a process suitable for degreasing 8011 alloy aluminum foil is disclosed. It solves the defects of low dyne value, long degreasing time and high energy consumption of the blister medical aluminum foil processed by the traditional aluminum foil degreasing process, realizes the purpose of increasing the surface tension value of the aluminum foil to 34 dyne, and satisfies the needs of users Require.

Description

technical field [0001] The invention relates to an aluminum foil degreasing process, in particular to a degreasing process for improving the wetting tension of blister medicinal aluminum foil, and belongs to the technical field of medicinal aluminum foil processing. Background technique [0002] With the advancement of science and technology, aluminum foil is used more and more widely as a packaging sealing material, and people have higher and higher requirements on the quality of the surface of aluminum foil, especially heat-sealing foil, pharmaceutical foil, hose foil and other products. In addition to requiring it to have suitable mechanical properties and a smooth and bright surface, it is also required that the surface of the aluminum foil be degreased and clean to ensure the safety and applicability of the final product. [0003] The replacement of the aluminum foil rolling mill has improved the mechanized processing speed and production efficiency, resulting in more o...

Claims

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Application Information

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IPC IPC(8): C23G5/00C22F1/04C21D1/26C21D9/46
CPCC23G5/00C21D1/26C21D9/46C22F1/04
Inventor 陈志明周晓群许俊
Owner JIANGSU DAYA ALUMINUM
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