Aluminum foil and aluminum plastic film composite packaging bag separation medicament

By preparing a separation agent composed of magnesium sulfate, formic acid, ethanol and surfactant, the problem of resource waste in the recycling of aluminum-plastic products was solved, and the efficient separation and resource recycling of aluminum foil and aluminum-plastic film were realized.

CN121362367APending Publication Date: 2026-01-20HUBEI KAILUOYUAN INNOVATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511452554.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-12
Publication Date
2026-01-20

AI Technical Summary

Technical Problem

Existing methods for recycling aluminum-plastic products result in resource and energy waste, particularly the low separation efficiency of aluminum foil and aluminum-plastic film composite packaging bags, which leads to the ineffective recycling of metal and plastic resources.

Method used

A separation agent composed of magnesium sulfate, formic acid, ethanol, and surfactant is prepared through grinding, sieving, stirring, and mixing processes. The separation agent utilizes the solubility of magnesium sulfate, the acidity of formic acid, the solvent properties of ethanol, and the interfacial activity of surfactant to achieve efficient separation of aluminum foil and aluminum-plastic film.

Benefits of technology

This technology enables efficient separation of aluminum foil and aluminum-plastic film, improves resource recycling, reduces resource waste and environmental pressure, and meets the needs of sustainable development.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an aluminum foil and aluminum-plastic film composite packaging bag separation agent, and relates to the technical field of industrial waste treatment of aluminum foil and aluminum-plastic film composite packaging bags. According to the invention, magnesium sulfate may utilize the properties of solubility and the like in the separating agent, formic acid may have the effects of adjusting the pH value, promoting some chemical reactions or changing the solubility of substances and the like in the separating agent, and ethanol may be used as a solvent in the separating agent, so that the dissolution and dispersion of other components are facilitated, and the stability and uniformity of the separating agent are enhanced; the surface active agent can reduce the surface tension of the liquid, so that the separating agent can be spread on a separation interface more easily, and the separation effect is improved; efficient separation of waste aluminum foils and aluminum-plastic film packaging bags and realization of resource circulation of aluminum and plastic films are the demand of sustainable social development and are also important measures for relieving resource and environment contradictions.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aluminum foil and aluminum plastic composite packaging bag industrial waste treatment, in particular to a kind of aluminum foil and aluminum plastic film composite packaging bag separation reagent. BACKGROUND

[0002] With the development of society, more and more industrial waste, especially aluminum foil and aluminum plastic products, mainly for the industrial energy packaging bag, electronic products, food packaging, pharmaceutical packaging, etc. which need to be kept away from light, become indispensable items.

[0003] Currently, there are two methods for recycling and processing aluminum plastic products: 1 directly granulated into other products, which not only fails to maximize the value of plastic but also wastes metal resources; 2 directly steam furnace burning into oil; The recovery rate of used aluminum plastic products is low, and most of them are treated by landfill, incineration and other methods, which causes great waste of resources and energy. Therefore, we propose a kind of aluminum foil and aluminum plastic film composite packaging bag separation reagent. SUMMARY

[0004] The purpose of the present application is to solve the problems mentioned in the background art. The present application provides a kind of aluminum foil and aluminum plastic film composite packaging bag separation reagent.

[0005] In order to achieve the above purpose, the present application specifically adopts the following technical scheme: A kind of aluminum foil and aluminum plastic film composite packaging bag separation reagent, the separation reagent is made of the following weight fraction of raw material components: magnesium sulfate 25-30 parts, formic acid 25-30 parts, ethanol 25-30 parts, surfactant 10-25 parts.

[0006] Further, the separation reagent is made of the following weight fraction of raw material components: magnesium sulfate 25 parts, formic acid 25 parts, ethanol 25 parts, surfactant 25 parts.

[0007] Further, the separation reagent is made of the following weight fraction of raw material components: magnesium sulfate 27.5 parts, formic acid 27.5 parts, ethanol 27.5 parts, surfactant 17.5 parts.

[0008] Further, the separation reagent is made of the following weight fraction of raw material components: magnesium sulfate 30 parts, formic acid 30 parts, ethanol 30 parts, surfactant 10 parts.

[0009] Further, the preparation of the separation reagent includes the following steps: Step 1, raw material preparation, magnesium sulfate, formic acid, ethanol and surfactant are prepared according to the above weight fraction; Step 2, grinding dissolution, grinding of magnesium sulfate is carried out by using a grinder, and after grinding, screening work is carried out, and the screened magnesium sulfate is dissolved in water; Step 3, stirring and mixing, the solution of magnesium sulfate and water is placed in a stirring device, then formic acid is added and stirred uniformly, then ethanol is slowly added while stirring, and finally a surfactant is added and continues to be stirred until a uniform solution is formed. Step 4, packaging, the prepared separating agent solution is packaged in a transparent bottle.

[0010] Further, the grinder in the grinding dissolution is a spherical grinder, and the screening work is ultrasonic vibration screening.

[0011] Further, the stirring device in the stirring and mixing is provided with a pressure sensor, and the pressure sensor is externally connected to a controller.

[0012] Further, the stirring device in the stirring and mixing is provided with a spiral conveying blade, and the spiral conveying blade is designed to rotate in opposite directions.

[0013] The beneficial effects of the present application are as follows: In the present application, magnesium sulfate may utilize its solubility and other properties in the separating agent, formic acid may play a role in adjusting pH value, promoting certain chemical reactions or changing the solubility of substances in the separating agent, ethanol may act as a solvent in the separating agent, which helps the dissolution and dispersion of other components, enhances the stability and uniformity of the separating agent, and the surface active agent can reduce the surface tension of the liquid, making the separating agent more easily spread on the separation interface, improving the separation effect; efficient separation of waste aluminum foil and aluminum plastic film packaging bags realizes the recycling of aluminum and plastic film resources, which is the demand of sustainable social development and an important measure to alleviate the contradiction between resources and environment. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely.

[0015] The present application provides a kind of aluminum foil and aluminum plastic film composite packaging bag separating agent, separating agent is made of the following weight fraction raw material components: magnesium sulfate 25~30 parts, formic acid 25~30 parts, ethanol 25~30 parts, surfactant 10~25 parts.

[0016] Magnesium sulfate: white or white-like powder, easily soluble in water, slightly soluble in ethanol and glycerol, which may utilize its solubility and other properties in the separating agent; Formic acid: has certain acidity and corrosivity, which may play a role in adjusting pH value, promoting certain chemical reactions or changing the solubility of substances in the separating agent; Ethanol: commonly known as alcohol, volatile, can be miscible with water in any proportion, may be used as a solvent in the separating agent, helps the dissolution and dispersion of other components, enhances the stability and uniformity of the separating agent; Surfactant: can reduce the surface tension of the liquid, make the separating agent more easily spread on the separation interface, improve the separation effect. Embodiment

[0017] The preparation of the separating agent includes the following steps: Step 1, raw material preparation, according to the above weight fraction: 25 parts of magnesium sulfate, 25 parts of formic acid, 25 parts of ethanol, 25 parts of surfactant, prepare magnesium sulfate, formic acid, ethanol and surfactant; Step 2, grinding and dissolving, use a grinding machine to grind the magnesium sulfate, after grinding, sieve the magnesium sulfate, and then dissolve the sieved magnesium sulfate in water; wherein the grinding machine is a spherical grinding machine, and the sieving work is an ultrasonic vibrating sieve, grinding the magnesium sulfate by the spherical grinding machine can shorten the subsequent dissolution time, and using the ultrasonic vibrating sieve can improve the sieving precision and yield, effectively solving the problems of strong adsorption and easy agglomeration of magnesium sulfate.

[0018] Step 3, stirring and mixing, placing the solution of magnesium sulfate and water in a stirring device, then adding formic acid and stirring uniformly, slowly adding ethanol while stirring, and finally adding surfactant and continuing to stir until a uniform solution is formed; wherein the stirring device in the stirring and mixing has a pressure sensor, and the pressure sensor is connected to a controller, the precise control of material conveying is realized by the pressure sensor to ensure that the raw materials are mixed in proportion; the stirring device in the stirring and mixing has a spiral conveying blade, and the spiral conveying blades are designed to rotate in opposite directions, which can improve the mixing efficiency and shorten the preparation period.

[0019] Step 4, packaging, packaging the prepared separating agent solution in a transparent bottle. Embodiment

[0020] The preparation of the separating agent includes the following steps: Step 1, raw material preparation, according to the above weight fraction: 25 parts of magnesium sulfate, 25 parts of formic acid, 25 parts of ethanol, 25 parts of surfactant, prepare magnesium sulfate, formic acid, ethanol and surfactant; Step 2, grinding and dissolving, use a grinding machine to grind the magnesium sulfate, after grinding, sieve the magnesium sulfate, and then dissolve the sieved magnesium sulfate in water; wherein the grinding machine is a spherical grinding machine, and the sieving work is an ultrasonic vibrating sieve, grinding the magnesium sulfate by the spherical grinding machine can shorten the subsequent dissolution time, and using the ultrasonic vibrating sieve can improve the sieving precision and yield, effectively solving the problems of strong adsorption and easy agglomeration of magnesium sulfate.

[0021] Step 3, stirring and mixing, placing the solution of magnesium sulfate and water in a stirring device, then adding formic acid and stirring uniformly, slowly adding ethanol while stirring, and finally adding a surfactant and continuing to stir until a uniform solution is formed; wherein the stirring device in the stirring and mixing has a pressure sensor built-in, and the pressure sensor is externally connected to a controller, so as to realize precise control of material conveying through the pressure sensor, ensuring that the raw materials are mixed in proportion; the stirring device in the stirring and mixing has a spiral conveying blade built-in, and the spiral conveying blades are designed to rotate in opposite directions, which can improve the mixing efficiency and shorten the preparation period.

[0022] Step 4, packaging, placing the prepared separating agent solution in a transparent bottle for packaging. Embodiment

[0023] The preparation of the separating agent includes the following steps: Step 1, raw material preparation, magnesium sulfate 30 parts, formic acid 30 parts, ethanol 30 parts, and a surfactant 10 parts are prepared.

[0024] Step 2, grinding and dissolving, using a grinding machine to grind magnesium sulfate, and then sieving the ground magnesium sulfate and dissolving it in water; wherein the grinding machine is a spherical grinding machine, and the sieving work uses an ultrasonic vibrating sieve, which can shorten the subsequent dissolution time and improve the sieving precision and yield, effectively solving the problems of strong adsorption and easy agglomeration of magnesium sulfate.

[0025] Step 3, stirring and mixing, placing the solution of magnesium sulfate and water in a stirring device, then adding formic acid and stirring uniformly, slowly adding ethanol while stirring, and finally adding a surfactant and continuing to stir until a uniform solution is formed; wherein the stirring device in the stirring and mixing has a pressure sensor built-in, and the pressure sensor is externally connected to a controller, so as to realize precise control of material conveying through the pressure sensor, ensuring that the raw materials are mixed in proportion; the stirring device in the stirring and mixing has a spiral conveying blade built-in, and the spiral conveying blades are designed to rotate in opposite directions, which can improve the mixing efficiency and shorten the preparation period.

[0026] Step 4, packaging, placing the prepared separating agent solution in a transparent bottle for packaging.

[0027] Three groups of aluminum foil and aluminum plastic film composite packaging bags with the same size were selected and placed in a decomposition tank, and each group of aluminum foil and aluminum plastic film composite packaging bags was selected ten, and the separating agent solution prepared in the above embodiment 1, embodiment 2 and embodiment 3 was poured into the decomposition tank, and the experimental results are as follows:

[0028] According to the above table, the separation time of Example 2 is the shortest, the aluminum surface is bright after separation, the plastic is transparent, and the separation ratio is the best, so Example 2 is the best solution, which efficiently separates the waste aluminum foil and the aluminum-plastic film packaging bag, realizes the resource circulation of aluminum and plastic film, and is the demand of sustainable social development, and is an important measure to alleviate the resource and environment contradiction.

[0029] The above description of disclosed embodiments enables one skilled in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pharmaceutical separation agent for aluminum foil and aluminum-plastic film composite packaging bags, characterized in that, The separating agent is made from the following raw material components in parts by weight: 25-30 parts magnesium sulfate, 25-30 parts formic acid, 25-30 parts ethanol, and 10-25 parts surfactant.

2. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 1, characterized in that, The separating agent is made from the following raw material components in parts by weight: 25 parts magnesium sulfate, 25 parts formic acid, 25 parts ethanol, and 25 parts surfactant.

3. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 1, characterized in that, The separating agent is made from the following raw material components in parts by weight: 27.5 parts magnesium sulfate, 27.5 parts formic acid, 27.5 parts ethanol, and 17.5 parts surfactant.

4. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 1, characterized in that, The separating agent is made from the following raw material components in parts by weight: 30 parts magnesium sulfate, 30 parts formic acid, 30 parts ethanol, and 10 parts surfactant.

5. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 1, characterized in that, The preparation of the separating agent includes the following steps: Step 1: Raw material preparation. Prepare magnesium sulfate, formic acid, ethanol and surfactant according to the above weight proportions. Step 2: Grinding and dissolving. Use a grinder to grind the magnesium sulfate, and then sieve it. Dissolve the sieved magnesium sulfate in water. Step 3: Stir and mix. Place the magnesium sulfate and water solution in a stirring device, then add formic acid and stir until homogeneous. Then slowly add ethanol while stirring. Finally, add the surfactant and continue stirring until a homogeneous solution is formed. Step 4: Packaging. The prepared separating agent solution is placed in a transparent bottle for sealing.

6. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 5, characterized in that: The grinding and dissolving process uses a spherical grinder, and the sieving process uses an ultrasonic vibrating screen.

7. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 5, characterized in that: The stirring device used in the mixing process has a built-in pressure sensor, and the pressure sensor is connected to an external controller.

8. The separating agent for aluminum foil and aluminum-plastic film composite packaging bags according to claim 5, characterized in that: The mixing device in the mixing process has a built-in spiral conveyor blade, and the spiral conveyor blade is designed to rotate in opposite directions.