KR20240046965A - Apparatus for manufacturing antimicrobial melt-blown filter - Google Patents

Abstract

The meltblown filter manufacturing device according to the present invention includes an extruder 100 that melts a raw material containing a thermoplastic polymer resin, a gear pumper 200 that pumps the melted raw material at a constant pressure, and a fiber ( It includes a spinner 300 that converts the spinner into fiber and spins it, a collection unit 500 located below the spinner and collects the fiber web, and a winding roller 700 that winds the fiber web, and the collection unit 500 ) and the winding roller 700, a first processing unit (A) for processing the first chemical liquid and a second processing unit (B) for processing the second chemical liquid are provided, and the first processing unit (A) and the second processing unit ( B) A heating roller 620 is installed between them.

Description

Antibacterial deodorizing filter manufacturing device for masks {APPARATUS FOR MANUFACTURING ANTIMICROBIAL MELT-BLOWN FILTER}

The present invention relates to a meltblown filter manufacturing device used in masks, and more specifically, to a filter manufacturing device for masks that uses meltblown nonwoven fabric and is used to suppress bacterial growth and minimize odor generation when worn for a long period of time. It's about.

Generally, masks are worn to block respiratory viruses. Respiratory viruses are not only known colds and seasonal flu, but also SARS, MESS, and Corona that are imported from overseas. For most respiratory viruses, a primary blocking effect can be achieved just by wearing a mask.

The material of the mask is mainly manufactured by cutting non-woven fabric manufactured by the melt-blown method, and the non-woven fabric blocks droplets ejected from others from entering the wearer's respiratory tract. There are approximately 3,000 droplets emitted by coughing, and their size is 2 to 6㎛ or more.

A mask made of non-woven fabric can effectively block droplets flowing in from the outside, but when worn for a long time, the inner surface of the mask can be easily contaminated by moisture generated during breathing. Therefore, wearing a mask for a long period of time can lead to bacterial growth due to the appropriate temperature and humidity formed on the inner surface.

Publication of Patent No. 10-2022-0011426, anti-droplet face mask with natural antibacterial material and method of manufacturing the same Registered Patent Publication No. 10-1061895, silver mesh and antibacterial mask using the same Publication of Patent No. 10-2021-0131056, Open cell double-blocking antibacterial mask and method of manufacturing the same Publication of Patent No. 10-2022-0033075, manufacturing method of antibacterial mask fabric for blocking droplets

The present invention was devised to solve the above problems, and its purpose is to provide a manufacturing device for a meltblown filter for a mask that can block the growth of bacteria that may live on the inner surface of the mask when worn for a long period of time. There is.

The problems to be solved by the present invention are not limited to the problems mentioned. Other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

The meltblown filter manufacturing device according to the present invention includes an extruder 100 that melts a raw material containing a thermoplastic polymer resin, a gear pumper 200 that pumps the melted raw material at a constant pressure, and a fiber ( It includes a spinner 300 that converts the spinner into fiber and spins it, a collection unit 500 located below the spinner and collects the fiber web, and a winding roller 700 that winds the fiber web, and the collection unit 500 ) and the winding roller 700, a first processing unit (A) for processing the first chemical liquid and a second processing unit (B) for processing the second chemical liquid are provided, and the first processing unit (A) and the second processing unit ( B) A heating roller 620 is installed between them.

In addition, the raw material fed into the extruder includes a thermoplastic resin and a charging agent, the thermoplastic resin is selected from polypropylene, polyethylene, polycarbonate, polyamir, and polystyrene, and the charging agent is poly[(6-( 1, 1, 3, 3-tetramethylbutyl) imino 1, 3, 5-triazin 2, 4-diyl)((2, 2, 6, 6-tetramethyl- 4-piperidyl) imino) hexamethylene ((2, 2, 6, 6-tetramethyl-4-piperidyl) imino)], 2-(4 , 6-phenyl-1, 3, 5-triazin, 2-yl)-5-((hexyl)oxy)-phenol.

According to the present invention, the first treatment unit (A) sprays pure water (H ₂ O) to activate the charging agent, and the second treatment unit (B) sprays Zinc-Polypeptide to impart antibacterial properties.

The meltblown filter manufactured according to the present invention uses a Zinc-Polypeptide antibacterial agent that is harmless to the human body, ensuring safety for wearers using mask products.

In addition, the meltblown mask manufactured according to the present invention can prevent odor by minimizing bacterial growth even when worn for a long period of time.

Figure 1 shows a meltblown filter manufacturing apparatus according to the present invention.
Figure 2 shows a method of manufacturing a meltblown filter according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. For convenience of explanation, components shown in the drawings may be exaggerated, omitted, or schematically represented.

The present invention relates to a filter manufacturing device for a mask, and the filter is made of nonwoven fabric manufactured by a meltblown method.

Figure 1 shows a meltblown filter manufacturing apparatus according to the present invention.

The meltblown filter manufacturing device according to the present invention includes an extruder 100 that melts a raw material containing a thermoplastic polymer resin, a gear pumper 200 that pumps the melted raw material at a constant pressure, and a fiber ( It includes a spinner 300 that converts the spinner into fiber and spins it, a collection unit 500 located below the spinner and collects the fiber web, and a winding roller 700 that winds the fiber web.

A hopper 110 is provided at the top of the extruder 100. Particulate thermoplastic polymer resin is introduced into the hopper. Raw materials input into the hopper may include thermoplastic polymer resin and a major agent.

The thermoplastic polymer resin may be polypropylene, polyethylene, vinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polycarbonate, polyamir, polystyrene, etc., and the charging agent may be electrostatically charged to the meltblown web. Give characteristics. The main agent is poly[(6-(1, 1, 3, 3-tetramethylbutyl) imino 1, 3, 5-triazin 2, 4-diyl)((2, 2, 6) , 6-tetramethyl-4-piperidyl) imino) hexamethylene ((2, 2, 6, 6-tetramethyl-4-piperidyl) imino)], 2-(4, 6-diphenyl-1, 3, 5-triazin 2-yl)-5-((hexyl)oxy)-phenol ) can be selected from among. Additionally, further nucleating agent may be added.

The charging agent reacts with pure water (H ₂ O) and improves the charging effect.

The raw materials input into the hopper are melted inside the extruder and discharged through the screw to the exit of the extruder. The extruder may be further equipped with a heating heater to melt the polymer resin.

The molten raw material discharged from the outlet of the extruder may be moved to the first gear pump through a filter (not shown). The gear pump 200 is installed to pump a homogeneous liquid with high viscosity at a constant pressure. The gear pump 200 discharges the molten raw material to the emitter at a constant speed.

The interior of the emitter 300 is provided with a pair of air nozzles that spray high-pressure heated air (Hot Air), and an orifice that is installed between the pair of air nozzles and emits molten polymer resin. The fibers radiating from the orifice are ultrafine by the high-temperature airflow from the air nozzle.

The spun fiber is then cooled by external air to form a fiber web. The collection unit 500 according to the present invention collects the fever web. As an example, the collection unit may be configured as a conveyor. In the drawing, reference numeral 501 denotes a suction fan, which provides suction force to ensure that the fiber radiated from the radiator is seated on the upper side of the collection unit.

The fiber web formed on the upper side of the collection unit is wound around the winding roller 700 through a predetermined treatment process.

According to the present invention, a first processing unit (A) and a second processing unit (B) are sequentially installed between the collection unit 500 and the winding roller 700. Referring to the drawings, the first processing unit (A) is installed adjacent to the collection unit 500, and the second processing unit (B) is installed adjacent to the winding roller (B).

The first chemical liquid sprayed from the first spray unit (A) may contain pure water (H ₂ O), and the second chemical liquid sprayed from the second treatment unit (B) may contain an antibacterial agent.

The first chemical liquid sprayed from the first processing unit (A) may include pure water. The first chemical solution reacts with the charging agent contained in the raw material to generate a charging effect.

The second chemical liquid sprayed from the second spray unit (B) may include an antibacterial agent and a solubilizing agent. The second chemical solution imparts antibacterial properties to the meltblown web.

The antibacterial agent may be Zinc-Polypeptide. The structural formula of the Zinc Polypeptide is Zn-C ₆ ~12lipid-KXY-NH ₂ . Here, K may be Lysine, Also, NH ₂ is selected as the terminal NH ₂ where COOH is amidated.

Meanwhile, a first heating roller 610 is installed in front of the first processing unit (A), and a second heating roller 620 is installed between the first processing unit (A) and the second processing unit (B), A third heating roller 300 is installed at the rear of the third processing unit (B).

The first heating roller 610 is composed of upper and lower rollers, and a predetermined gap is formed between the upper and lower rollers. The fiber web that has passed through the first heating roller is heated and pressed to form a meltblown nonwoven fabric having a predetermined thickness.

The second heating roller 620 is composed of upper and lower rollers and helps activate the charging agent contained in the raw material. In addition, by removing the moisture contained in the meltblown nonwoven fabric, a preliminary state for spraying the second chemical solution, which is a post-processing step, is secured.

The third heating roll 630 is composed of upper and lower rollers, removes moisture from the second chemical liquid contained in the meltblown nonwoven fabric, and prevents dispersion of the chemical liquid between the meltblown nonwoven fabrics in close contact with the winding roller. .

Hereinafter, a method for manufacturing a meltblown filter using the nonwoven fabric manufacturing apparatus according to the present invention will be described.

Figure 2 shows a method of manufacturing a meltblown filter according to the present invention.

The method of manufacturing a meltblown filter according to the present invention includes preparing a raw material containing a thermoplastic polymer resin (S100), obtaining a fiber web by spraying the molten raw material (S200), and maintaining a predetermined thickness. Obtaining a meltblown nonwoven fabric (S300), obtaining electrification by pure water (H ₂ O) into which the meltblown nonwoven fabric is sprayed (S400), and spraying an antibacterial agent on the meltblown nonwoven fabric (S500) ) includes.

1. Preparing raw materials containing thermoplastic polymer resin (S100);

The thermoplastic polymer resin used as the main raw material may be polypropylene, polyethylene, polycarbonate, polyamir, polystyrene, etc., and the major agent may be a hindered amine-based compound or a triazine-based compound.

The major agent may be added in an amount of 0.9 to 1.6% by weight based on the weight of the thermoplastic polymer resin. Additionally, a nucleating agent may be added to nucleate the thermoplastic polymer resin. The nucleating agent may be selected from the group consisting of sorbitox-based nucleating agents, nonitor-based nucleating agents, chyrisitor-based nucleating agents, phosphate-based nucleating agents, and triamino benzene derivative nucleating agents.

The raw materials prepared in this way are put into the hopper of the extruder.

2. Obtaining a fiber web by spraying molten raw materials (S200);

The extruder 100 melts the raw material and then flows it out to the emitter 300 through the gear pump 200. The spinner 300 spins the molten raw material to form a fiber web. The fiber web formed in this way is collected in the collection unit 500. The fiber emitted from the emitter may have a size of 0.1 to 10 μm.

The fiber web collected in the collection unit is transferred to the first processing unit by a conveyor in the collection unit.

3. Obtaining a meltblown nonwoven fabric having a predetermined thickness (S300);

The first heating roller 610 consists of a pair of upper and lower rollers, and the upper and lower rollers have a separation distance of 2 to 3 mm. When the fiber web passes through the first heating roller, a meltblown nonwoven fabric having a predetermined thickness is formed by the heat of the first heating roller.

4. Obtaining electrification of the meltblown nonwoven fabric by spraying pure water (H ₂ O) (S400);

The first treatment unit (A) sprays pure water (H ₂ O) to impart charging characteristics to the meltblown nonwoven fabric. The charging agent contained in the raw materials reacts with pure water (H ₂ O) to form electrification in the meltblown nonwoven fabric. Afterwards, the moisture contained in the ment-blown nonwoven fabric must be removed for the second treatment process. The second heating roller 620 removes moisture formed in the first treatment process.

5. Spraying an antibacterial agent on the meltblown nonwoven fabric (S500);

The second treatment unit (B) sprays an antibacterial agent to impart antibacterial and deodorizing properties to the meltblown nonwoven fabric. The antibacterial agent may be Zinc-Polypeptide having a Zn-C ₆ ~12 lipid-KXY-NH ₂ structure.

Existing non-woven fabrics for mask filters use acrylic or urethane-based binders for antibacterial and deodorizing properties, but there was a problem in that the effectiveness of the active ingredient was reduced or the breathability of the non-woven fabric was reduced. Zinc-Polypeptide according to the present invention can minimize ventilation pressure loss and maintain antibacterial and antibacterial properties for a long period of time.

After the antibacterial treatment, the meltblown nonwoven fabric is completely dried by the third heating roller. Afterwards, the meltblown nonwoven fabric is wound on a winding roller.

Above, the present invention has been described in detail through specific embodiments, but the present invention is not limited to the above embodiments, and various modifications can be made by those skilled in the art within the scope of the technical idea of the present invention.

100: extruder
110: Hopper
200: Gear pump
300: Radiator
500: collection department
501: Suction fan
610~630: Heating roller
700: Winding roller
A: first processing unit
B: second processing unit

Claims (3)

An extruder 100 for melting raw materials containing a thermoplastic polymer resin,
A gear pumper (200) that pumps the molten raw material at a constant pressure,
A radiator 300 that converts molten raw materials into fiber and radiates it,
A collection unit 500 located below the emitter and collecting the fiber web,
It includes a winding roller (700) for winding the fiber web,
A first processing unit (A) for processing the first chemical solution and a second processing unit (B) for processing the second chemical solution are provided between the collection unit 500 and the winding roller 700,
An antibacterial and deodorizing filter manufacturing device for a mask, characterized in that a heating roller 620 is installed between the first processing unit (A) and the second processing unit (B).
In claim 1,
The raw materials include a thermoplastic resin and a major agent,
The thermoplastic resin is selected from polypropylene, polyethylene, polycarbonate, polyamir, and polystyrene, and the charging agent is poly[(6-(1, 1, 3, 3-tetramethylbutyl)imino 1 , 3, 5-triazin 2, 4-diyl) ((2, 2, 6, 6-tetramethyl-4-piperidyl) imino) hexamethylene (( 2, 2, 6, 6-tetramethyl-4-piperidyl) imino)], 2-(4, 6-phenyl-1, 3, 5-triazine ( triazin) 2-day)-5-((hexyl)oxy)-phenol. An antibacterial and deodorizing filter manufacturing device for a mask, characterized in that it is selected from the group consisting of (hexyl)oxy)-phenol.
In claim 2,
The first treatment unit (A) sprays pure water (H ₂ O) to activate the electrolyte, and the second treatment unit (B) sprays Zinc-Polypeptide to provide antibacterial properties. An antibacterial and deodorizing filter for a mask. Manufacturing equipment.

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