KR20090013596A - Charcoal is a correction of deformities product that use add polyethylene promulgation sheet process of manufacture and this - Google Patents

Abstract

A method for manufacturing charcoal-containing polyethylene foamed sheet is provided to exhibit various effects of charcoal while maintaining the physical properties including adiabaticity, buffering, and moldability. A method for manufacturing charcoal-containing polyethylene foamed sheet comprises (i) a step for making a polymer mass by mixing polyethylene resin 66.6 weight% and foaming agent 33.3 weight% at 125~135°C for 10~20 minutes and cutting the resin to the polyethylene resin particle size to obtain a foaming mixture pellet; (ii) a step for manufacturing a charcoal mixture mixed with polyethylene resin 75.0 weight% and charcoal 25.0 weight% having the purity 99% by using the same method of (i) step; (iii) a step for manufacturing a crosslinking mixture consisting of polyethylene resin 93.3 weight% and cross-linking agent 6.7 weight%; (iv) a step for manufacturing a magnesium hydroxide mixture consisting of polyethylene resin 90.0 weight% and magnesium hydroxide 10 weight%; (v) a step for manufacturing a resin compound by uniformly mixing polyethylene 22.4 weight%, foaming agent mixture 49.5 weight%, charcoal mixture 16.8 weight%, crosslinking mixture 8.8 weight% and magnesium hydroxide mixture 2.5 weight%; (vi) a step for melt-extruding the resin mixture; (vii) a step for forming the melt-extruded resin mixture to a flat type mother plate; (viii) a step for forming the charcoal polyethylene foamed sheet; (ix) a step for drawing the charcoal polyethylene foamed sheet; (x) a step for cooling the charcoal polyethylene foamed sheet; and (xi) a step for winding the cooled charcoal polyethylene foamed sheet.

Description

Charcoal is a correction of deformities product that use add polyethylene promulgation sheet process of manufacture and this}

The present invention relates to a polyethylene foam sheet manufacturing method and a molded product using the charcoal, and more specifically, to various effects of the charcoal while maintaining the physical properties such as thermal insulation, buffering, moldability of the polyethylene foam sheet Polyethylene foam sheet with charcoal to be used can be prepared, and a method for producing polyethylene foam sheet with charcoal which can produce various molded products such as various living mats exhibiting various effects of charcoal using the same and using the same It relates to a molded product.

General polyethylene foam sheet manufacturing method can improve the viscoelasticity when melting the resin when crosslinked to a low density polyethylene resin, and can modify the structure of the polyethylene to form a myriad of bubbles when foaming, physical, such as heat insulation, buffering, chemical resistance, moldability, etc. A polyethylene foam sheet having chemical properties is prepared.

The polyethylene foam sheet prepared as described above is flexible, cushionable, and non-absorbent material, and can be easily processed into various shapes and forms. Accordingly, it can be processed and produced with various mats and cushion materials.

By the way, the mat or cushion materials produced and produced by the conventional polyethylene foam sheet only serves as a buffer material did not exhibit an unusual effect.

Recently, products that have a beneficial effect on the human body, such as jade mat, are gradually increasing, and as the trend of consumer preference for eco-friendly living products increases, the development of beneficial and eco-friendly living products for the human body is urgently needed.

Mat or cushion materials produced and produced with the above-described conventional polyethylene foam sheet only serves as a cushioning material, but did not exhibit an unusual effect.

Recently, products that have a beneficial effect on the human body, such as jade mat, are gradually increasing, and as the trend of consumer preference for eco-friendly living products increases, the development of beneficial and eco-friendly living products for the human body is urgently needed.

An object of the present invention for solving the above problems is to produce a polyethylene foam sheet to which the char is added, by using the molded products that are beneficial and environmentally friendly to the human body, such as various living mats that can exhibit various effects of charcoal The present invention provides a polyethylene foam sheet to which char is added and a molded product using the same.

In order to achieve the above object, the present invention provides a method for producing a charcoal-added polyethylene foam sheet, comprising: 1) mixing 66.6% by weight of polyethylene resin and 33.3% by weight of blowing agent into a mixer for 10-20 minutes at 125 ° C to 135 ° C. Mixing to make a polymer mass and cutting the resin into polyethylene resin particle sizes to prepare a pelletized blowing agent mixture; 2) preparing a charcoal mixture in which 75.0% by weight of polyethylene resin and 25.0% by weight of charcoal having a minimum purity of 99% of water and foreign substances are mixed by the method of 1); 3) preparing a crosslinking agent mixture of 93.3% by weight of polyethylene resin and 6.7% by weight of crosslinking agent by the method of 1) above; 4) preparing a magnesium hydroxide mixture of 90.0% by weight of polyethylene resin and 10% by weight of magnesium hydroxide by the method of 1) above; 5) 22.4% by weight of polyethylene, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, and 2.5% by weight of the magnesium hydroxide mixture were added to the stirrer so as to distribute uniformly and uniformly. Preparing a resin mixture by mixing; 6) an extrusion step of inserting the resin mixture into the extruder and rotating melt extrusion using an extruder screw at a constant speed; 7) a plate forming step of forming a plate-like base plate using a forming roll to produce a base plate according to the standard to produce the resin mixture melt-extruded in the step 6); 8) The plate-shaped resin mixture base plate formed in step 7) is introduced into a foaming furnace set at a temperature of 250 ° C., and the resin mixture base plate is moved by an internal conveyor, and bubbles are formed by decomposition of the foaming agent. Forming a; 9) a withdrawal step of withdrawing the charcoal polyethylene foam sheet formed in the foaming furnace to the outside of the foaming furnace; 10) cooling the charcoal polyethylene foam sheet using a cooling fan; 11) characterized in that consisting of winding the cooled charcoal polyethylene foam sheet.

In order to solve the above problems, the molded article using the polyethylene foam sheet to which the present invention is added charcoal comprises 22.4 wt% polyethylene, 49.5 wt% of the blowing agent mixture, 16.8 wt% of the charcoal mixture, and 8.8 wt% of the crosslinking agent mixture. And, on the charcoal polyethylene foam sheet mixed with 2.5% by weight of the magnesium hydroxide mixture, the PE film and the PET film, nonwoven fabric, PVC foam sheet, cloth, aluminum foil of the polyolefin system so as to be mutually attached to the indirect heat source such as electric heater Or, it is characterized in that the various living mats produced by laminating while applying heat to a direct heat source such as fire generated by LP gas.

Other features of the molded article using the polyethylene foam sheet to which the charcoal of the present invention is added include polyethylene 22.4% by weight, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, and the hydroxide A charcoal polyethylene foam sheet mixed with 2.5% by weight of magnesium mixture is laminated with a polyolefin-based PE film, PET film, aluminum foil, nonwoven fabric, polyester film, and PVC foam sheet, and then preheated by heat, compressed by press, or vacuum It is characterized by a variety of living mats having a concave-convex shape to be processed by vacuum compression with a molding machine.

According to the polyethylene foam sheet manufacturing method and the molded product using the charcoal added according to the present invention, while maintaining the physical properties such as heat insulation, cushioning, moldability of the polyethylene foam sheet polyethylene foam to further exhibit the various effects of the charcoal Sheets can be manufactured, and various living mats can be processed using paper, press compression molding, and vacuum compression molding to improve various effects of charcoal, that is, environment, and exert beneficial effects on the human body. It has the effect of producing a variety of environmentally friendly molded products.

Hereinafter, the present invention will be described in detail.

According to the present invention, a method for producing a polyethylene foam sheet in which char is added is added charcoal powder to a mixture of azodicarbonamide, which is a blowing agent, and an organic peroxide, which is a crosslinking agent, in a conventional polyethylene resin, and magnesium hydroxide, which is a cell forming aid, is added. To prepare a polyethylene foam sheet exhibiting a charcoal component having deodorization, desulfurization characteristics of charcoal.

In order to produce a highly foamed foam sheet of the charcoal component should be compounded according to the characteristics of the homogeneous dispersion and melting of the raw material so that the polyethylene resin is cross-linked well, the time according to the characteristics, the present invention to prepare a foaming agent mixture Compounding step, preparing a charcoal mixture, preparing a crosslinker mixture, preparing a magnesium hydroxide mixture.

At this time, the foaming agent mixture, 66.6% by weight of polyethylene resin and 33.3% by weight of foaming agent was added to a blender and mixed by mixing at 125 ° C to 135 ° C for 10 to 20 minutes to form a polymer mass, and cutting the resin into polyethylene resin particle sizes. To produce a chip (Pellet).

The charcoal mixture is prepared by mixing 75.0% by weight of polyethylene resin and 25.0% by weight of charcoal in the same manner as above, but charcoal is preferably selected to have a purity of 99% with minimum moisture and foreign matter, and has a particle size of 400 mesh or less. It is preferable to select one having a diameter.

The crosslinking agent mixture is prepared by mixing 93.3% by weight of polyethylene resin and 6.7% by weight of crosslinking agent in the same manner as described above.

The magnesium hydroxide mixture is prepared by mixing 90.0% by weight of polyethylene resin and 10% by weight of magnesium hydroxide in the same manner as described above.

As such, when the compounding process is completed, the foam sheet process is performed.

The foam sheet process first mixes the mixtures prepared in the compounding process with polyethylene, wherein 22.4 wt% polyethylene, 49.5 wt% foaming agent mixture, 8.8 wt% crosslinking agent mixture, 2.5 wt% magnesium hydroxide mixture, 16.8 wt% charcoal mixture To put in a stirrer and mixed so as to distribute uniformly and uniformly to prepare a resin mixture to which char is added.

After the resin mixture is subjected to an extrusion process, the resin mixture is injected into the extruder to melt extrusion by rotating the extruder screw at a constant speed.

The melt-extruded resin mixture is subjected to a plate forming step, wherein the resin mixture is molded into a plate-shaped base plate using a forming roll.

Here, the overall size of the foam sheet is determined by the thickness and width of the base plate.

Thereafter, the resin mixture base plate is introduced into a foaming furnace using hot air, and the injected resin mixture base plate is moved by a conveyor installed inside the foaming furnace, and bubbles are formed by decomposition of the foaming agent, thereby forming a polyethylene foam foam sheet containing charcoal components. .

Here, it is preferable to maintain the temperature of a foaming furnace at about 250 degreeC.

The charcoal polyethylene foam sheet formed in the foaming furnace is drawn out to the outside using a shape roll (SHAPE ROLL). At this time, the charcoal polyethylene foam sheet is drawn out so that there is no change in size and specifications.

The drawn charcoal polyethylene foam sheet is cooled by using a cooling fan because the heat generated during foaming in the foaming furnace still remains.

The cooled charcoal polyethylene foam sheet is wound by a winder and then cut and packaged to a predetermined specification.

The polyethylene foam sheet obtained in this way is added to the charcoal exhibits the following various effects with the charcoal.

1) Air cleaning and deodorizing effect

2) Far Infrared Radiation Effect

3) Electromagnetic wave blocking and air purification

4) Anion effect to stabilize mood

5) antibacterial and detoxification effect

6) House dust, mite removal effect

7) Dehumidification effect of moisture control

On the other hand, using a charcoal foam sheet prepared by the above-described method, 22.4% by weight of polyethylene, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, An indirect heat source such as electric heater or LP is laminated on a charcoal polyethylene foam sheet mixed with 2.5% by weight of a magnesium hydroxide mixture so as to mutually attach a polyolefin-based PE film and a PET film, a nonwoven fabric, a PVC foam sheet, a cloth, and an aluminum foil. Various mats such as balcony mats, mats, play mats and floor cushion mats can be commercialized into various living mats that are laminated while being heated by a direct heat source such as fire generated by gas.

Further, a polyolefin was formed on a charcoal polyethylene foam sheet in which 22.4% by weight of polyethylene, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, and 2.5% by weight of the magnesium hydroxide mixture were mixed. Various life mats with uneven shape processed by PE film, PET film, aluminum foil, non-woven fabric, polyester film and PVC foam sheet of system, preheated by heat, compressed by press, or vacuum compressed by vacuum molding machine For example, it can be commercialized into a variety of mats having irregularities such as a climbing mat where the folding line is formed or the irregularities are formed on the surface to facilitate folding.

Molded articles using a charcoal polyethylene foam sheet molded as described above has the efficacy of the above-described charcoal.

For example, when the mat according to the present invention is laid indoors, negative ions are generated in the room, and the indoor air can be kept clean by deodorizing and deodorizing the air, and electromagnetic waves can be blocked to block electromagnetic waves generated from home appliances. It can have a great effect on the improvement of the indoor environment, such as to have a beneficial effect on the human body.

In addition, when the molded article, ie, mats, is molded as described above, the above house dust and tick removal effects are exhibited, and especially in homes with children, children are protected from house dust and ticks to prevent the disease of children with weak immunity. You can prevent it.

In addition, the dehumidifying effect of the above moisture control is exerted, so that the room is humid in the summer and rainy season, thereby improving the damp indoor environment.

Hereinafter, the present invention will be described in more detail with reference to the following examples.

<Example>

I. Compounding  fair

1) blowing agent mixture

66.6 wt% polyethylene resin, 33.3 wt% foaming agent

2) charcoal mixture

Polyethylene resin 75.0 wt%, charcoal 25.0 wt%

3) Crosslinking agent  mixture

93.3 wt% polyethylene resin, 6.7 wt% crosslinking agent

4) Magnesium Hydroxide Mixture

Polyethylene resin 90.0% by weight, magnesium hydroxide 10% by weight

Each of the components was added to a mixer, respectively, by mixing and mixing at 125 ° C to 135 ° C for 10 to 20 minutes to form a polymer mass, and cutting the resin into polyethylene resin particle sizes and chipping to prepare each of the above mixtures.

II. Foam Sheet Process

5) Resin Mixture Preparation

Polyethylene 22.4 wt%

49,5% by weight of blowing agent mixture

8.8% by weight of crosslinker mixture

2.5% by weight magnesium hydroxide mixture

Charcoal mixture 16.8% by weight

Place in a stirrer and mix uniformly and uniformly.

6) Extrusion process

In the extrusion process, the resin mixture is rotationally melt-extruded by a screw in an extruder.

7) Sheet Forming Process

The resin mixture is molded into a flat platelet using a forming roll.

8) Foaming Process

The temperature of the foaming furnace is set to about 250 ° C., and the resin mixture base plate is introduced and foamed to form a polyethylene foam sheet containing char.

9) Withdrawal process

The charcoal polyethylene foam sheet manufactured in the foaming furnace is taken out so that the specification does not change.

10) Cooling process

The heat remaining in the drawn charcoal polyethylene foam sheet is cooled by using a cooling fan.

11) Winding  fair

Winding charcoal polyethylene foam sheet that is continuously produced and taken out.

Claims (3)

1) 66.6% by weight of polyethylene resin and 33.3% by weight of blowing agent are mixed into a blender for 10 to 20 minutes at 125 ° C to 135 ° C to form a polymer mass, and the resin is cut into polyethylene resin particles to chips. Preparing a foamed blowing agent mixture; 2) preparing a charcoal mixture in which 75.0% by weight of polyethylene resin and 25.0% by weight of charcoal having a minimum purity of 99% of water and foreign substances are mixed by the method of 1); 3) preparing a crosslinking agent mixture of 93.3% by weight of polyethylene resin and 6.7% by weight of crosslinking agent by the method of 1) above; 4) preparing a magnesium hydroxide mixture of 90.0% by weight of polyethylene resin and 10% by weight of magnesium hydroxide by the method of 1) above; 5) 22.4% by weight of polyethylene, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, and 2.5% by weight of the magnesium hydroxide mixture were added to the stirrer so as to distribute uniformly and uniformly. Preparing a resin mixture by mixing; 6) an extrusion step of inserting the resin mixture into the extruder and rotating melt extrusion using an extruder screw at a constant speed; 7) a plate forming step of forming a plate-like base plate using a forming roll to produce a base plate according to the standard to produce the resin mixture melt-extruded in the step 6); 8) The plate-shaped resin mixture base plate formed in step 7) is introduced into a foaming furnace set at a temperature of 250 ° C., and the resin mixture base plate is moved by an internal conveyor, and bubbles are formed by decomposition of the foaming agent. Forming a; 9) a withdrawal step of withdrawing the charcoal polyethylene foam sheet formed in the foaming furnace to the outside of the foaming furnace; 10) cooling the charcoal polyethylene foam sheet using a cooling fan; 11) Charcoal-added polyethylene foam sheet manufacturing method comprising the step of winding the cooled charcoal polyethylene foam sheet. According to the production method of claim 1, 22.4% by weight polyethylene, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, 2.5% by weight of the magnesium hydroxide mixture is mixed The sheet is laminated with a polyolefin-based PE film, PET film, non-woven fabric, PVC foam sheet, cloth, and aluminum foil so as to be mutually adhered to each other. Molded products using charcoal-added polyethylene foam sheet, characterized in that the various life mats produced by laminating while adding. The charcoal polyethylene of 22.4% by weight of polyethylene, 49.5% by weight of the blowing agent mixture, 16.8% by weight of the charcoal mixture, 8.8% by weight of the crosslinking agent mixture, and 2.5% by weight of the magnesium hydroxide mixture according to the preparation method of claim 1 PE sheet, aluminum foil, nonwoven fabric, PE film of polyolefin type, PET film and PVC foam sheet are laminated on foam sheet, then preheated by heat, compressed by press, or vacuum-pressed by vacuum forming machine. Molded product using a polyethylene foam sheet with charcoal, characterized in that various life mats.