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Method of producing tinfoil paper and product thereof

A production method and technology of tin foil paper, applied in metal coating and other directions, can solve the problems such as the inability to reduce the thickness of the tin-lead alloy film, the irregular shape of the tin-lead alloy film, and the inability to reduce the consumption of tin, so as to achieve low loss and cost. , Good product appearance and high production efficiency

Inactive Publication Date: 2007-09-12
王阿勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method improves the production efficiency, improves the appearance of the product, and greatly increases the production capacity, the tin-lead alloy film is irregular in shape and needs to be trimmed to align the edges before it can be used, so the loss of the tin-lead alloy is high. And because the thickness of the tin-lead alloy film cannot be reduced, the consumption of tin cannot be reduced, and the price of tin has risen, resulting in a high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The 20 micron thick BOPP film is set on the sending-rewinding device in the vacuum coating machine, and the tin-lead alloy containing 60% of the total weight and 40% of the total weight by weight is placed in a vacuum Molybdenum evaporation boat in the coating machine, then close the vacuum coating machine and start vacuuming. The vacuum degree in the vacuum coating machine reaches 1.0×10 -2 Pa, stop vacuuming, and control the heating of the molybdenum evaporation boat. When the working temperature of the molybdenum evaporation boat is 180℃~260℃, the tin-lead alloy will be evaporated onto the BOPP film. At this time, start the sending-rewinding device, so that the BOPP film moves linearly through the top of the molybdenum evaporation boat at a speed of 100 m / min, and the tin-lead alloy is evaporated onto the BOPP film to form a tin-lead alloy film of 1.0 micron to 1.5 micron. When all BOPP films are coated with tin-lead alloy film, stop heating the molybdenum evaporat...

Embodiment 2

[0025] This embodiment produces tinfoil with color.

[0026] One surface of 18 micron thick BOPP film was pre-coated with a layer of pigment.

[0027] The pigmented BOPP film was placed on the send-and-reel in the vacuum coater with the pigmented surface facing the molybdenum evaporation boat. The tin-copper-silver alloy containing tin accounts for 99% of the total weight and copper and silver accounts for 0.5% of the total weight by weight percentage is placed in the molybdenum evaporation boat in the vacuum coating machine, and then the vacuum coating machine is closed and vacuumized. The vacuum degree in the vacuum coating machine reaches 3.0×10 -2 Pa, stop vacuuming, and control the heating of the molybdenum evaporation boat. When the working temperature of the molybdenum evaporation boat is 180℃~260℃, the tin-copper-silver alloy will be evaporated onto the BOPP film. At this time, the sending-rewinding device is started, so that the BOPP film moves linearly over the mo...

Embodiment 3

[0032] The 18 micron thick BOPP film is set on the sending-rewinding device in the vacuum coating machine, and the tin-silver alloy containing 99.5% of the total weight and 0.5% of the total weight of silver is placed in a vacuum Molybdenum evaporation boat in the coating machine, then close the vacuum coating machine and start vacuuming. The vacuum degree in the vacuum coating machine reaches 3.5×10 -2 Pa, stop vacuuming, and control the heating of the aluminum evaporation boat. When the working temperature of the molybdenum evaporation boat is 180℃~260℃, the tin-silver alloy will be evaporated onto the BOPP film. At this time, the sending-rewinding device is started, so that the BOPP film moves linearly above the molybdenum evaporation boat at a speed of 80 m / min, and the tin-silver alloy is evaporated onto the BOPP film to form a tin-silver alloy film of 1.8 microns to 2.2 microns. When all BOPP films are coated with tin-silver alloy film, stop heating the molybdenum evap...

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Abstract

The invention relates to a production method and products of compound paper with tinfoil. It contains: put tin materials on a molybdenum evaporating boat in vacuum coating machine to evaporate it onto a plastic membrane forming a 0.5~5.0ª–m tinfoil. Vacuum degree in vacuum coating machine is 1.0X10-2-4.0X10-2 pa and working temperature of molybdenum evaporating boat is 180 deg.C-300deg.C. The plastic membrane is BOPP, PET, CPP, PE or PVC membrane. Gum and paste paper on the tinfoil of the plastic membrane. Finally, strip the tinfoil paper from the plastic membrane to get tinfoil having a 5~5.0ª–m tin materials on surface. The invention can resolve problems of great thickness and high cost of tinfoil.

Description

technical field [0001] The invention relates to a method for producing composite paper with a metal film and its products, in particular to a [0002] A production method of a composite paper with a thin film of tin material and the composite paper of an ultra-thin thin film of tin material produced by the method. technical background [0003] Composite paper with a thin film of tin material, generally called tin foil or tin foil paper, has a wide range of uses among the people. The traditional tinfoil production method is to wrap the tin-lead alloy sheet with a weight ratio of tin to lead of 60:40, beat it in sheepskin, heat and soften it, and then wrap it in sheepskin and beat it with a wooden hammer; so many times until it is made Form a 30-40 micron tin-lead alloy film, and then paste it on paper manually. This method has low production efficiency, large loss, high cost, poor appearance, limited production volume, and seriously pollutes the environment. In recent year...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/04
Inventor 王阿勇
Owner 王阿勇
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