KR102425043B1 - Envelope for collecting cigarette butts using multilayer paper sheet - Google Patents

Abstract

The present invention is manufactured by overlapping and bonding multi-layer paper sheets, and has an envelope-shaped structure having an opening formed on one side to accommodate cigarette butts, wherein the multi-layer paper sheet includes: a metal sheet layer including an aluminum sheet; a first adhesive layer; a second adhesive layer; a first paper sheet layer; And a second paper sheet layer; relates to a cigarette butt recovery packaging material comprising a.
The packaging material for cigarette butt recovery using the multilayer paper sheet according to the present invention is sufficiently flame retardant to prevent fire, and can safely package and clean cigarette butts.
The packaging material for cigarette butt recovery according to the present invention can be easily opened to form an opening through a method of pressing the upper left and right corners of the packaging material, so that cigarette butts can be easily accommodated, and a plurality of cigarette butts are bonded to each other due to its thin thickness. Each one can be easily separated and used, and it is easy to carry.

Description

Packaging material for collecting cigarette butts using multilayer paper sheet {Envelope for collecting cigarette butts using multilayer paper sheet}

The present invention relates to a packaging material for recovering cigarette butts that can be easily accommodated and sealed and recovered using a multilayer paper sheet, and a method for manufacturing the same.

Cigarette butts smoked and thrown away by smokers are often seen while walking on the street, and in particular, cigarette butts are frequently piled up in sewer holes and rain gutter.

According to the World Health Organization (WHO), two-thirds of the world's cigarette butts are dumped on the ground, and it is estimated that more than 6 trillion cigarettes are produced annually, of which 4 trillion cigarette butts are thrown away. .

In particular, in 2018, 3.47 billion packs or about 70 billion cigarettes were sold in Korea, and assuming that two-thirds were thrown away, there were more than 46 billion cigarette butts in Korea last year, and 8.7 billion cigarettes a year in Seoul alone. Cigarette butts are believed to have been thrown away. Cigarette butts thrown away indiscriminately act as a major cause of backflow of rain gutter during the rainy season.

In addition, over the past 32 years, cigarette butts accounted for a third of marine debris collected from beaches around the world, and according to the Korea Maritime Rescue Organization, 21% of the garbage collected from 32 beaches and seabeds across the country from January to September 2018 was collected. Cigarette butts have taken over, and a campaign to reduce plastic straws is taking place around the world, but straws have been found to only account for 0.02% of marine waste, and cigarette butts have been shown to cause a much more serious problem than plastic bags or plastic bottles. is known In addition, cigarette butts are converted into microplastics after they flow into rivers and seas, destroying lakes and marine ecosystems.

In the past, studies on various methods for safely collecting and disposing of cigarette butts have been conducted in order to solve the problem of cigarette butts discarded without permission.

As an example, Korean Utility Model Registration No. 20-0345595 relates to a cigarette pack having a built-in cigarette butt recovery bag, and a cigarette butt recovery bag into which a cigarette butt can enter and an upper part can be sealed; Cigarettes with built-in cigarette butt collection bags installed on either side of the front or side surfaces of this bag, either between cigarettes and silver foil, between silver foil and outer packaging of cigarette packs, or between outer packaging of cigarette packs and cellophane. The contents of the A have been disclosed.

However, as in Document 1, the previously disclosed bag-type structures have a structure that is difficult to accommodate cigarette butts, and thus there is a problem in ease of use.

Korea Registered Utility Model No. 20-0345595 (Announcement date: 2004.03.18.) Korea Registered Utility Model No. 20-0290979 (Announcement date: 2002.10.04.) Korean Utility Model No. 20-2009-0002831 (published on: March 23, 2009)

The present invention has been devised to solve the problems of the prior art as described above, and an object of the present invention is to provide technical contents regarding a packaging material for recovering cigarette butts having a structure that can easily accommodate cigarette butts.

In addition, an object of the present invention is to provide technical content regarding a packaging material for cigarette butt recovery using a multi-layer paper sheet that ensures flame retardancy so that a culture of safely packaging and cleanly storing and collecting cigarette butts can be established.

The technical problems to be solved by the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. it could be

In order to achieve the technical problem as described above, the present invention is a packaging material in which an opening is formed to accommodate a cigarette butt on one side and manufactured by overlapping and bonding a multi-layer paper sheet, wherein the multi-layer paper sheet includes an aluminum sheet a metal sheet layer; a first adhesive layer formed on one surface of the metal sheet layer; a second adhesive layer formed on the other surface of the metal sheet layer; a first paper sheet layer formed on an upper surface of the first adhesive layer; and a second paper sheet layer formed on the upper surface of the second adhesive layer, wherein the first adhesive layer and the second adhesive layer are formed using an adhesive containing a polyurethane resin. Packaging materials are provided.

The packaging material for cigarette butts may be manufactured in a bag-shaped structure.

The packaging material for cigarette butts is manufactured by bonding the left and right sides and the lower side in a state in which the first multi-layer paper sheet and the second multi-layer paper sheet having a rectangular structure are overlapped, and has a structure including a front portion, a rear portion, a joint portion, an opening and a cover portion. , the first multi-layer paper-making sheet has an isosceles trapezoidal shape in which left and right non-parallel sides are the same length, an upper side length is longer than a lower side length, the second multi-layer paper-making sheet has a rectangular shape, and the first multi-layer paper sheet has a lower side The length of the side may be produced as a cigarette butt recovery bag equal to the length of the lower side of the second multi-layer paper sheet.

The packaging material for cigarette butts has a structure including a front portion, a rear portion, a junction portion, an opening and a handle portion, and folds one multilayer paper sheet having a rectangular structure from both sides in the longitudinal direction to form a front portion, a rear portion and a handle portion, respectively, It may be manufactured as a cigarette butt recovery bag in which a junction and an opening are formed by bonding both ends and a lower end located in the front part in a folded state, respectively.

The packaging material for cigarette butts has a structure including a front part, a rear part, a junction part, an opening part, a cover part and a bent part, and cuts the multi-layer paper sheet so that the length of the front part and the rear part becomes asymmetrical, and the rear part rather than the upper end of the front part The upper end of the bag is extended in the longitudinal direction to form a protrusion to form a cover part on the rear part, and the front part and the rear part are stamped in an 'inverted V' shape from the outside to the inside of the envelope to form a bent part, and the front part and It may be manufactured as a cigarette butt recovery bag in which a joint is formed by joining both ends and lower ends of the rear part.

The packaging material for cigarette butts is formed vertically in the central region of the front and rear portions of the front and rear portions of the cigarette butts, including the front portion, the rear portion, the junction portion, the opening portion, and the triangular bottom portion that unfolds to form a triangular surface. It has a structure, and by cutting the multi-layer paper sheet, the front part and the rear part are folded along the vertical fold part, and the bottom surface is unfolded by the triangular bottom part. 4 It may be manufactured as a bag for collecting cigarette butts of the bag structure.

The packaging material for cigarette butts includes a junction and an opening formed by bonding both longitudinal edges of the front part, the rear part, the side part, and the side part to the front part and the rear part, respectively, and a vertical fold is formed from the center of the side part to the vertical area, , The central lower end of the side part located in the area between the lower end of the front part and the rear part is lifted upward and folded to form a lower triangular dome, and the triangular dome is unfolded and configured to include a triangular fold that is unfolded in the opposite direction, multi-layer paper sheet By cutting the front part, the rear part, and the side part may be manufactured as a cigarette butt recovery bag of the fifth envelope structure (10d) configured to be folded or unfolded by the vertical fold part and the triangular fold part.

The packaging material for cigarette butts is, by cutting the multi-layer paper sheet, forming a junction and joining to form a truncated cone shape upside down, a circular opening at the top formed by the side part, and a bottom surface to shield It may be manufactured as a cup for collecting cigarette butts having a structure including a circular bottom part.

The first adhesive layer and the second adhesive layer are each 30% by weight of a polyurethane resin, 20% by weight of an acrylic resin, 10% by weight of a polyester resin, 20% by weight of a diisocyanate curing agent, 15% by weight of polyethylene glycol and 5% by weight of polyethylene oxide It may be formed using a mixed polyurethane adhesive comprising a.

In addition, in the multilayer paper sheet according to the present invention, the first adhesive layer and the second adhesive layer are 30% by weight of a polyurethane resin, 20% by weight of an acrylic resin, 10% by weight of a polyester resin, 20% by weight of a diisocyanate curing agent, polyethylene glycol It can be formed using a mixed polyurethane adhesive comprising 15% by weight and 5% by weight of polyethylene oxide.

The packaging material for recovering cigarette butts using the multi-layer paper sheet according to the present invention can safely package and clean cigarette butts, and sufficiently secure flame retardancy to prevent fires caused by cigarette butts.

In addition, the packaging material for recovering cigarette butts according to the present invention can be easily opened through a method of pressing the left and right upper corners of the packaging material to form an opening, so that cigarette butts can be easily accommodated, and a plurality of cigarette butts are thin It can be easily separated and used one by one by joining, and it is easy to carry.

In particular, the bag for collecting cigarette butts according to the present invention can prevent unauthorized dumping of cigarette butts by improving the wrong smoking pattern of discarding cigarette butts after shaking off or rubbing the cigarette after smoking, and safely packaging the cigarette butts and It can establish a culture of clean storage and collection, and can contribute to recycling cigarette butts.

1 is a conceptual diagram illustrating a structure of a multi-layer paper sheet according to the present invention and a cigarette butt recovery bag as an example of a packaging material for recovering cigarette butts.
2 is a perspective view showing a cigarette butt recovery bag, which is an example of a cigarette butt recovery packaging material according to another preferred embodiment of the present invention.
3 is a conceptual diagram illustrating a method for manufacturing an envelope having the structure shown in FIG. 2 .
4 is a perspective view illustrating a second bag structure 10b for cigarette butt recovery, which is an embodiment of a packaging material for cigarette butt recovery according to another preferred embodiment of the present invention.
5 is a perspective view showing a third bag structure 10c for recovering cigarette butts, which is an embodiment of a packaging material for recovering cigarette butts according to another preferred embodiment of the present invention.
6 is a perspective view illustrating a fourth bag structure 10d for cigarette butt recovery, which is an embodiment of a packaging material for cigarette butt recovery according to another preferred embodiment of the present invention.
7 is a perspective view illustrating a fifth bag structure 10e for cigarette butt recovery, which is an embodiment of a packaging material for cigarette butt recovery according to another preferred embodiment of the present invention.
8 is a perspective view showing a cigarette butt recovery cup 200, which is an example of a cigarette butt recovery packaging material according to another preferred embodiment of the present invention.
9 is a view showing the addition of the cover portion 205 to the cup 200 for collecting cigarette butts of FIG.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement them. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

The meaning of the terms described in the present invention should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component. When a component is referred to as being “connected to” another component, it may be directly connected to the other component, but it should be understood that other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. On the other hand, other expressions describing the relationship between elements, that is, "between" and "between" or "neighboring to" and "directly adjacent to", etc., should be interpreted similarly.

The singular expression is to be understood as including the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the specified feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in general used in the dictionary should be interpreted as having the meaning consistent with the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Hereinafter, the present invention will be described in detail.

1 is a conceptual diagram illustrating a structure of a multi-layer paper sheet according to the present invention and a cigarette butt recovery bag 10 as an example of a packaging material for recovering cigarette butts.

1, the cigarette butt recovery bag 10 according to the present invention is manufactured using a multi-layer paper sheet 100, and an opening 14 is formed on one side to accommodate a cigarette butt. have a structure

Smoke components from cigarette butts include acetaldehyde, naphthylamine, 4-aminobiphenyl, benzene, toluene, ethylene oxide, and dimethyl hydrazine (1,1- In addition to Group 1 carcinogens (a definite human carcinogen) such as dimethylhydrazine), arsenic, beryllium, nickel, chromium, cadmium, and polonium-210 It contains more than 70 carcinogens.

In addition, it also contains about 7,000 types of toxic and harmful substances such as acetic acid, catechol, acrolein, and acetone, as well as nicotine, which causes poisoning, so the effect of the airtightness of the envelope on the surrounding environment is very important.

Therefore, the multi-layer paper sheet 100 used for manufacturing the bag 10 can prevent the odor caused by airtight sealing in the cigarette butts from being discharged to the outside, and is sufficient to prevent the occurrence of a fire caused by the cigarette butts. It is preferable to introduce a structure having a structure that ensures flame resistance.

To this end, the multi-layer paper sheet 100, the metal sheet layer 110; a first adhesive layer 120; a second adhesive layer 130; a first paper sheet layer 140; and a second paper sheet layer 150; may be used.

Looking at the configuration of the multi-layer paper sheet 100 in detail, the metal sheet layer 110 may be formed using an aluminum sheet, and a thickness of 1 to 1,000 μm may be introduced and used.

If the thickness of the metal sheet layer 110 is less than 1 μm, the airtightness of the multi-layer paper sheet may be lowered, and if the thickness exceeds 1,000 μm, it may be difficult to achieve weight reduction of the multi-layer paper sheet 10. can

Preferably, the metal sheet layer 110 may have a thickness of 3 to 500 μm, and more preferably, the metal sheet layer 110 may have a thickness of 5 to 30 μm.

In the multi-layer paper sheet 100 , the first adhesive layer 120 and the second adhesive layer 130 are formed by bonding the metal sheet layer 110 and the paper sheet layers 140 and 150 to be described later, respectively, to the multi-layer paper sheet 100 . can be configured, and the first adhesive layer 120 and the second adhesive layer 130 may be formed using an adhesive containing a polyurethane resin.

The polyurethane adhesive can form the first adhesive layer 120 and the second adhesive layer 130 by introducing a variety of known polyurethane adhesives commonly used for attaching a paper sheet or a paper sheet to a metal sheet, The polyurethane adhesive may form the first adhesive layer 120 and the second adhesive layer 130 by introducing various conventional polyurethane adhesives having excellent adhesion to the paper sheet or paper sheet and the thin metal film.

According to a preferred embodiment of the present invention, the first adhesive layer 120 and the second adhesive layer 130 are 30% by weight of polyurethane resin, 20% by weight of acrylic resin, 10% by weight of polyester resin, 20% by weight of diisocyanate curing agent It can be formed using an eco-friendly mixed polyurethane adhesive containing 15 wt% of polyethylene glycol and 5 wt% of polyethylene oxide by weight.

Specifically, the polyurethane resin serves to impart adhesion and elasticity, the acrylic resin improves the insufficient adhesion of the polyurethane resin, and the polyester resin improves the compatibility between the polyurethane resin and the acrylic resin, resulting in phase separation. serves to prevent it from happening. The diisocyanate curing agent hardens each resin component to form an adhesive layer, the polyethylene glycol serves to strengthen the adhesion to the metal sheet, and the polyethylene oxide acts as a surfactant to improve the stability of the mixed polyurethane adhesive. serves to improve In particular, the diisocyanate curing agent may be a mixed curing agent in which toluene diisocyanate, cyclohexylmethane diisocyanate, methylene diphenyl diisocyanate, hexamethylene diisocyanate, and the like are mixed, but is not limited thereto.

The mixed polyurethane adhesive as described above has a short curing time and is eco-friendly because it does not emit heavy metals and volatile organic compounds that are harmful to the human body.

The adhesive as described above can strongly adhere the metal sheet layer 110 and the paper sheet layers 140 and 150 to be described later because of its excellent adhesive strength, and the multi-layer paper sheet 100 is stable even in a folded or crumpled state. It can be maintained, and moisture resistance and stability are improved to show excellent properties, and to exhibit eco-friendly properties.

In addition, the adhesive may be configured to further include an adsorbent powder to improve airtightness, flame retardancy, adsorption and deodorization performance, and the adsorbent powder may be ceramic powder, inorganic powder, or a mixture thereof, but is not limited thereto .

Representative examples of the ceramic powder include shell, eggshell, illite, zeolite, alumina, silica, activated carbon, expanded graphite, and carbon nanotubes, and the inorganic powder includes calcium hydroxide, calcium carbonate, magnesium hydroxide, magnesium carbonate, barium chloride, and sulfuric acid. Barium or mixtures thereof are representative examples.

As the adsorbent powder as described above, a powder having an average particle size of 0.01 to 100 μm may be used, and preferably, a powder having an average particle size of 0.05 to 1 μm may be used.

According to a preferred embodiment of the present invention, based on 100 parts by weight of the mixed polyurethane adhesive, 5 parts by weight of the shell powder and 2 parts by weight of the mixed powder of boron carbide and boron oxide can be mixed and used, and when the added amount is low, adsorption and deodorization performance There is a problem that this is not significantly improved, and when the amount of addition is high, there may be a problem that adhesion and strength are lowered.

The first adhesive layer 120 and the second adhesive layer 130 may have a thickness of 5 to 1,000 μm, respectively, and when the thickness of the first adhesive layer 120 and the second adhesive layer 130 is less than 5 μm Since the adhesive force of the metal sheet layer 110 and the paper sheet layers 140 and 150 to be described later is insufficient, a problem of easy peeling may occur, and the thickness of the first adhesive layer 120 and the second adhesive layer 130 may increase. When it exceeds 1,000 μm, non-uniform pores are generated, making it difficult to implement the multilayer paper sheet 100 with uniform physical properties, and it may be difficult to achieve weight reduction of the multilayer paper sheet 100 .

Preferably, the first adhesive layer 120 and the second adhesive layer 130 may have a thickness of 5 to 30 μm, and more preferably, a thickness of 5 to 20 μm.

The first paper sheet layer 140 and the second paper sheet layer 150 are respectively formed on the upper surfaces of the first adhesive layer 120 and the second adhesive layer 130 to constitute a multi-layered paper sheet.

The first paper sheet layer 140 and the second paper sheet layer 150 may be formed using a paper sheet including old paper, kraft paper, parchment paper, Korean paper, white paper, thin paper, white paper, corrugated paper, and porous paper. , Preferably, it is possible to use roeji.

The first paper sheet layer 140 and the second paper sheet layer 150 may form a pattern, a pattern, a character, an image, etc. by applying ink to the upper surface thereof, and may include offset printing, gravure printing, or flexographic printing. It is possible to shape a design, a pattern, a character, an image, etc. on the surface by various conventional printing methods.

The first paper sheet layer 140 and the second paper sheet layer 150 may each have a thickness of 5 to 1,000 μm, and the thickness of the first paper sheet layer 140 and the second paper sheet layer 150 may be When the thickness is less than 5 μm, the durability and processability of the paper sheet may be deteriorated, and when the thickness of the first paper sheet layer 140 and the second paper sheet layer 150 exceeds 1,000 μm, the adhesive force decreases and the multilayer paper sheet There may be a problem that it is difficult to achieve the weight reduction of the

Preferably, each of the first paper sheet layer 140 and the second paper sheet layer 150 may have a thickness of 10 to 100 μm, more preferably, 30 to 80 μm.

In addition, the multilayer paper sheet 100 according to the present invention is provided between the first adhesive layer 120 and the first paper sheet layer 140 or the second adhesive layer 130 and the second paper sheet layer 150 . It may further include a strength reinforcing layer (not shown) of a mesh structure.

The strength reinforcing layer plays a role in improving the dimensional stability of the multi-layer paper sheet, and by weaving or knitting textile fibers such as glass fibers, carbon fibers, basalt fibers, and polyamide fibers in a net shape to introduce a fabric fabric with a mesh structure such as a net. It can be formed, and a woven fabric having a thickness of 0.1 to 500 μm can be introduced.

In addition, the multilayer paper sheet 100 according to the present invention may be configured to additionally include a polyethylene resin coating layer for the purpose of heat resistance, flame retardancy, tobacco odor blocking, oxygen inflow prevention, moisture blocking, airtightness, etc. it is not

The multi-layer paper sheet 100 according to the present invention is a conventional multi-layer paper sheet 100 in which an adhesive is applied on both sides of the metal sheet layer 110, the paper sheet is placed on the upper surface of the adhesive, and then pressed, dried and cured. It can be manufactured through a manufacturing method.

Alternatively, an adhesive sheet is placed on both sides of the metal sheet layer 110, a paper sheet is laminated on the upper surface of the adhesive sheet, and then heated at a temperature of 70 to 120° C. for 30 to 60 seconds, followed by drying and curing. can be manufactured.

The multilayer paper sheet 100 according to the present invention is designed to block the discharge of various harmful gas components that cause odors, such as acetaldehyde, which is a blocking target, and has excellent flexibility, workability, thermal stability and dimensional stability, and even in a thin thickness. It has the characteristic of maintaining high tensile strength.

In addition, the multilayer paper sheet 100 according to the present invention is configured to additionally include an adsorbent powder in the adhesive, so that even a thin thickness of less than 1 mm can effectively adsorb the odor of cigarette butts, and an adhesive and adsorbent powder containing a polyurethane resin. Adsorption performance is further improved due to the synergistic action of

In particular, the adsorbent powder may be mixed in an amount of 10 to 50 parts by weight based on 100 parts by weight of the adhesive, but is not limited thereto.

The multilayer paper sheet 100 according to the present invention having the structure as described above has a deodorizing performance that prevents odors flowing in from one surface from being discharged to the other surface.

According to a preferred embodiment of the present invention, the multi-layer paper sheet 100 includes a metal sheet layer 110 having a thickness of 5 to 50 μm formed using an aluminum sheet, and a first layer having a thickness of 5 to 50 μm formed using an adhesive. The total thickness including the adhesive layer 120 and the second adhesive layer 130, the first paper sheet layer 140 and the second paper sheet layer 150 having a thickness of 30 to 100 μm in which the noroji is introduced into the paper sheet It may be 75 to 350 μm.

At this time, the multi-layer paper sheet 100 contains 30% by weight of polyurethane resin, 20% by weight of acrylic resin, 10% by weight of polyester resin, 20% by weight of diisocyanate curing agent, 15% by weight of polyethylene glycol and 5% by weight of polyethylene oxide. Based on 100 parts by weight of the mixed polyurethane adhesive, the first adhesive layer 120 and the second Each of the adhesive layers 130 may be formed.

Although the multilayer paper sheet 100 as described above has excellent flame retardancy performance despite the total thickness of less than 1 mm, it can form a structure to prevent fire caused by cigarette butts, and has excellent airtightness and deodorization performance to prevent cigarette butts. It is possible to prevent the odor from being discharged to the outside.

In particular, since the bag for collecting cigarette butts has a thickness of several tens or hundreds of micrometers, it is thin and can be commercialized by manufacturing and commercializing a jointed product by bonding a plurality of cigarette butts. It can be used, and the junction material is small in volume and easy to carry, so it can be used for storing cigarette butts by easily removing the bag anytime and anywhere after smoking.

On the other hand, the cigarette butt recovery bag 10 is manufactured by overlapping and bonding the multi-layer paper sheet 100, an opening is formed on one side to form a structure for accommodating cigarette butts, and a front part 11, a rear part 12, It may have a conventional envelope structure of various shapes including an abutment 13 and an opening 14 (see FIG. 1 ).

In addition, the cigarette butt recovery bag 10 introduces various types of adhesives or hot melt films into the multi-layer paper sheet 100 and bonds the multi-layer paper sheet 100 to form the bonding portion 13, thereby forming a cigarette of a bag structure. It is possible to manufacture a bag 10 for butt recovery.

Preferably, the cigarette butt recovery bag 10 forms a hot melt film layer on the multi-layer paper sheet 100 using a bonding polymer composition instead of an adhesive, and heat-sealing the cigarette butts using a heat press. can form.

Specifically, the hot melt film layer is formed by applying a bonding polymer composition to a thickness of 10 to 50 μm on the portion to which the multilayer paper sheet 100 is to be bonded using a T-die casting extrusion method, and then curing it to form a hot melt film layer. and heating by a heat sealing method using a hot press to bond the multilayer paper sheet 100 to form the joint portion 13 . At this time, the T-die casting extrusion method melts a different type or the same type of polymer material through an extruder and discharges it in a multi-layer molten state through a feed block method or a multi-manifold method, and then a stretching process, a blowing process, or casting It means manufacturing through a process, etc. The bonding hot melt film layer may be formed on the first paper sheet layer 140 or the second paper sheet layer 150 . The bonding polymer composition may include a thermoplastic polymer material such as a polyolefin resin, a polyurethane resin, a polyester resin, a polyamide resin, or a polyethylene vinyl acetate resin. More preferably, as the bonding polymer composition, a mixture containing 80 to 99 wt% of a polyethylene resin and 1 to 20 wt% of a slip agent such as wax may be used, and the mixture is applied to the multilayer paper sheet 100 by 15 μm. A hot melt film layer may be formed by applying a thickness of , and a bonding portion 13 may be formed by bonding the multilayer paper sheet 100 to each other.

On the other hand, the cigarette butt recovery bag 10 is manufactured by overlapping and bonding the multi-layer paper sheet 100, an opening is formed on one side to form a structure for accommodating cigarette butts, and a front part 11, a rear part 12, It may have a conventional envelope structure of various shapes including an abutment 13 and an opening 14 (see FIG. 1 ).

In addition, the bag 10 for collecting cigarette butts may further include a cover portion 15 protruding from the upper side of the front portion 11 or the rear portion 12 , and the opening 14 is closed by the cover portion 15 . A hermetically sealed structure can be formed, and the cover 15 includes an adhesive layer on the upper side, and the cover 15 can be folded to strongly adhere to one side of the front 11 .

Looking at the structure of the cigarette butt recovery bag 10 according to the present invention in detail, as shown in FIG. , a rear portion 12a, a bonding portion 13a, and an opening 14a having a structure including an opening 14a, and a first envelope structure 10a in the shape of an envelope manufactured by bonding the first multi-layer papermaking sheet and the second multi-layer papermaking sheet having a rectangular structure ), and may have a structure that can be easily opened to easily form the opening 14a.

Specifically, the first envelope structure 10a may be manufactured by overlapping and bonding the first multi-layer paper sheet and the second multi-layer paper sheet having a rectangular shape, and as shown in FIG. 3 , the front portion 11a is formed. The first multi-layered paper sheet has the same length on the left and right sides of the non-parallel sides, the length of the upper side is longer than the length of the lower side, and the lower side has an isosceles trapezoid shape having the same structure as the lower side of the second multi-layer paper sheet to be described later. It can be manufactured by bonding with the paper sheet, and the second multi-layer paper sheet may have a rectangular shape in which the lengths of the upper and lower, left and right sides are the same, respectively, and may be bonded by applying the adhesive (A) to the edge portion.

When the first multi-layer paper sheet and the second multi-layer paper sheet having such a structure are overlapped and bonded to form a first envelope structure 10a including a front portion 11a and a rear portion 12a, bonding portions 13a on both sides and on the lower side ) is formed, and the upper side is to form an opening 14a to be opened.

Therefore, the length of the upper side of the first multi-layer paper sheet forming the front portion 11a is longer than the length of the upper side of the second multi-layer paper sheet forming the rear portion 12a in contact with it, so the cigarette butt recovery bag 10 is manufactured Since an adhesive is not applied to the upper side of the front part 11a and the rear part 12a, the opening 14a is formed naturally, and the opening 14a is easily formed by pressing the joint parts 13a on both sides. will have

In addition, the second multilayer papermaking sheet forming the rear portion 12a may be formed by introducing a longer length than the first multilayer papermaking sheet forming the front portion 11a to form the cover portion 15a, and the second multilayer papermaking sheet may be formed. By applying an adhesive to the upper end of the paper sheet, the cover portion 15a may be bonded to one side of the front portion 11a to form a structure in which the opening portion 14a is hermetically sealed.

Alternatively, the cigarette butt recovery bag 10b according to a preferred embodiment of the present invention, as shown in FIG. 4 , a front portion 11b, a rear portion 12b, abutment portions 13b1, 13b2, and an opening 14b ) and a second envelope structure 10b having a structure including a handle portion 16b, one multilayer paper sheet having a rectangular structure is folded from both sides in the longitudinal direction to form the front portion 11b and the rear portion 12b. After forming and applying an adhesive to both ends and the lower end positioned on the front part 11b in a folded state, respectively, bonding the both ends to form a first junction part 13b1, and bonding the lower part to the second junction part 13b2 It may be a second envelope structure 10b manufactured by a method of forming the .

Therefore, the second bag structure 10b is easily opened by holding both ends of the second bag structure 10b with one hand and pulling the handle portion 16b with the other hand when storing cigarette butts. and thereby forming a structure for easily forming the opening 14b.

Alternatively, the cigarette butt recovery bag 10c according to a preferred embodiment of the present invention, as shown in FIG. 5 , a front part 11c, a rear part 12c, a junction part 13c, an opening 14c, It may be a third envelope structure 10c having a structure including a cover portion 15c and a bent portion 17c, and a multi-layer paper sheet is cut so that the lengths of the front portion 11c and the rear portion 12c are asymmetrical. and the upper end of the rear portion 12c extends longer in the longitudinal direction than the upper end of the front portion 11c to form the cover portion 15c on the rear portion 12c, and the front portion 11c and the rear portion ( 12c) is stamped in an 'inverted V' shape from the outside to the inside of the envelope to form a bent portion 17c, and the joint portion 13c is formed by joining both ends and lower ends of the front portion 11c and the rear portion 12c The formed third envelope structure 10c may be formed.

The third envelope structure 10c having the above structure holds the cover portion 15c with one hand and presses both edges of the third envelope structure 10c with the other hand so that the bent portion 17c is bent. It can be easily opened through this method, thereby forming a structure for easily forming the opening 14c for accommodating cigarette butts.

6 is a perspective view illustrating a fourth bag structure 10d for cigarette butt recovery, which is an embodiment of a packaging material for cigarette butt recovery according to another preferred embodiment of the present invention.

As shown in FIG. 6 , the fourth envelope structure 10d has a front portion 11 , a rear portion 12 , a joint portion 13 , an opening 14 , and a lower end of the front portion 11 and the rear portion 12 . It may have a structure including a triangular bottom part 18 that is formed perpendicular to the central region of the triangular front part 11 and the rear part 12 formed in the triangular surface and spreads out to form a triangular surface, and the multilayer paper sheet is cut to cut the front surface. The part 11 and the rear part 12 are folded along the vertical fold part 19, and the bottom surface is unfolded by the triangular bottom part 18 so as to have a capacity suitable for accommodating the opening 14 and cigarette butts. Unfolded to facilitate storage of cigarette butts.

7 is a perspective view illustrating a fifth bag structure 10e for cigarette butt recovery, which is an embodiment of a packaging material for cigarette butt recovery according to another preferred embodiment of the present invention.

As shown in Figure 7, the fifth envelope structure (10e) has the front part 11, the rear part 12, the side part 20, both sides of the vertical corners of the side part 20, the front part 11 and the rear part ( 12), a vertical fold 19 is formed from the center of the joint 13, the opening 14, and the side part 20 to the vertical region, formed between the lower ends of the front part 11 and the rear part 12 The central lower end of the side portion 20 located in the region is lifted upward to form a triangular dome and folded, and the triangular dome is unfolded and may have a structure including a triangular folded portion 21 that is unfolded on the contrary, a multi-layer paper sheet By cutting, the front part 11, the rear part 12, and the side part 20 are configured to be folded or unfolded by the vertical fold part 19 and the triangular fold part 21.

8 is a perspective view showing a cigarette butt recovery cup 200, which is an example of a packaging material for cigarette butt recovery according to another preferred embodiment of the present invention, and FIG. 9 is a cover portion on the cigarette butt recovery cup 200 of FIG. It is a figure which shows the addition of (205).

As shown in Figure 8, the cup 200 for collecting cigarette butts cuts a multi-layered paper sheet, forms a junction 203, and is joined to form a truncated cone shape with upside down sides 201 and the side part ( 201) may be manufactured in a structure including an upper circular opening 204 formed in the upper portion, and a circular bottom portion 202 for shielding the bottom surface.

In this case, the diameter of the circular opening 204 may be 25 to 35 mm, the vertical height of the side part 201 may be 65 to 75 mm, and the diameter of the bottom part 202 may be 15 to 25 mm. Preferably, the diameter of the opening 204, the vertical height of the side portion 201, and the diameter of the bottom portion 202 may be 30mm, 70mm, or 20mm.

In addition, the cup 200 for collecting cigarette butts may be formed as an adhesive region 206 on which an adhesive layer to which a release paper is attached is applied to the inner region of the entrance side of the opening 204 . Accordingly, when the use is finished, the mouth of the cup 200 can be sealed by making the adhesive regions 206 closely adhere to each other after the release paper is removed.

On the other hand, as shown in FIG. 9, the cup 200 for collecting cigarette butts is formed as an adhesive region 206 in which an adhesive layer to which a release paper is pasted is applied, in which the upper end region facing the inside of the opening 204 is formed. It may be configured to further include a cover portion 205 extending upwardly along a predetermined area of the inlet side. According to the above configuration, when the use is finished, the release paper is removed and the opening 204 is brought into close contact, and then the opening of the cup 200 can be sealed by covering it with the lid part 205 to be sealed with an adhesive. do.

The packaging material for recovering cigarette butts using the multi-layer paper sheet according to the present invention as described above can not only keep a clean environment by sealing the cigarette butts airtightly to prevent odors from being discharged to the outside, but also have flame retardancy. It can be secured enough to prevent fire.

In addition, the packaging material for cigarette butt recovery according to the present invention is easily opened through a method of pressing the left and right upper corners of the bag, which is an example of the packaging material, so that the opening 14 can be formed, so that the cigarette butts can be easily accommodated, , Since it is thin, it can be easily separated and used one by one by bonding multiple pieces, and it is easy to carry. In addition, in the case of the cup 200 for collecting cigarette butts of the present invention, it is easy to store and distribute by having a general paper cup shape, and after use, the opening can be sealed through the adhesive area 206 to facilitate processing after use. do.

In particular, the packaging material for recovering cigarette butts according to the present invention can prevent unauthorized dumping of cigarette butts by improving the wrong smoking pattern of removing or rubbing cigarette butts after smoking is completed, It can establish a culture of clean storage and collection, and can contribute to recycling cigarette butts.

Hereinafter, the present invention will be described in more detail by way of examples.

The presented examples are only specific examples of the present invention, and are not intended to limit the scope of the present invention.

<Example 1>

(1) Adhesive manufacturing

30% by weight of a polyurethane resin, 20% by weight of an acrylic resin, 10% by weight of a polyester resin, 20% by weight of a diisocyanate curing agent, 15% by weight of polyethylene glycol and 5% by weight of polyethylene oxide are mixed, and 200 to 300 rpm for 2 hours An adhesive was prepared by stirring.

(2) Manufacture of multi-layer paper sheet

Prepare an aluminum sheet with a thickness of 6 μm and a sheet of paper with a thickness of 30 μm, apply an adhesive to both sides of the aluminum sheet to a thickness of 10 μm, and press the press roller on the upper surface of the adhesive to laminate the sheet, respectively. was cured to prepare a multi-layer paper sheet (total thickness of 86 μm).

<Example 2>

An adhesive prepared in the same manner as in Example 1 was used, and an adsorbent powder was mixed with the adhesive to prepare a mixed adhesive.

Specifically, the mixed adhesive is prepared by supplying 5 parts by weight of shell powder and 2 parts by weight of a mixed powder of boron carbide and boron oxide (including 1:1 weight ratio) to 100 parts by weight of the adhesive, based on 100 parts by weight of the adhesive, and stirring for 2 hours to make it uniform. It was prepared by mixing. In this case, the egg shell and shell powders having an average particle size of 0.5 to 1 μm were used, respectively, and the mixed powder having an average particle size of 0.2 to 0.5 μm was used. A multilayer paper sheet having the same shape as in Example 1-1 was prepared using the prepared mixed adhesive.

<Comparative Example 1>

A multi-layered paper sheet was prepared in the same manner as in Example 1, except that a commercially available one-component polyurethane resin adhesive (NABMR Eco foam) was used.

<Experimental example>

(1) Airtightness evaluation of multi-layer paper sheets

Using the multilayer paper sheet prepared by the method according to Examples 1 and 2 and Comparative Example 1, an envelope having a structure as shown in FIG. 2 was prepared, and a first envelope having a structure as shown in FIGS. 2 and 3 The structure was fabricated.

In the manufacturing of the first envelope structure, the first multi-layer paper sheet forming the front part 11a by processing the multi-layer paper sheet has the same length on the left and right sides of the non-parallel side, the length of the upper side is longer than the length of the lower side, and the length of the lower side is the second It was manufactured by processing to have an equilateral trapezoid shape having the same structure as the lower side of the multi-layer paper sheet, and the second multi-layer paper sheet was manufactured by processing to have a rectangular shape having the same lengths of the upper and lower, left and right sides, respectively. A bonding polymer composition comprising 80 to 99 wt% of a polyethylene resin and 1 to 20 wt% of a slip agent such as wax is applied to the upper surface of the prepared second multi-layered paper sheet by T-die casting extrusion, and then cured to obtain a hot melt A film layer is formed, the first multi-layer paper sheet is superposed on the upper surface of the second multi-layer paper sheet, and then the hot melt film layer is heated and pressed using a heat press in a heat sealing method to produce a first envelope structure in which a joint is formed. did.

To accommodate the cigarette butts using the prepared first bag structure, cover and seal the cover, and then put it in a test tube, and measure the emission of aldehyde gas and benzene, and the results are shown in Table 1 below, and the cigarette as a control The butts were put in a test tube and the amount (unit: ppb) was measured together.

As shown in Table 1, unlike Comparative Example 1, the bags manufactured by the methods according to Examples 1 and 2 can significantly reduce the emission of harmful gases when storing cigarette butts by using a mixed polyurethane adhesive. was able to confirm

In particular, in the case of Example 2 using the adsorbent powder, it was possible to significantly reduce the emission of harmful gas, and thus it was confirmed that the airtightness and deodorization performance were very excellent.

(2) Flame retardant evaluation of multi-layer paper sheets

The flame retardancy of the multilayer paper sheets prepared by the method according to Examples 1 and 2 and Comparative Example 1 was evaluated, and the results are shown in Table 2 below. For the flame retardancy evaluation, the performance test was repeated three times according to the Fire and Disaster Prevention Administration Notice No. 2009-31, the flame retardant performance standard of thin fabric, and the average value was expressed for the multi-layer paper sheet.

As shown in Table 2, it was confirmed that all of the manufactured multi-layer paper sheets satisfies the standards of the National Fire Protection Agency, and through these results, it was confirmed that they could be suitably used for packaging cigarette butts.

(3) Adhesion evaluation of multi-layer paper sheets

In order to evaluate the adhesiveness of the prepared multilayer paper sheet, the adhesiveness was evaluated by T-type peel strength measurement (adhesive force per 15 mm in width), and the results are shown in Table 3 below. Peel strength measurement was performed 5 times, and the average value was adopted. Peel strength (unit: g/15 mm) was measured while the peeling rate (250 mm/min), temperature (23° C.) and humidity (50% RH) were adjusted.

As shown in Table 3, as a result of evaluating the adhesive properties of the multi-layer paper sheets of Examples and Comparative Examples prepared using a polyurethane adhesive, peel strength of the multi-layer paper sheets prepared by the method according to Examples 1 and 2 It was confirmed that the adhesion was very good due to the high was predicted to be possible.

(4) Evaluation of Oxygen Permeability of Multilayer Paper Sheets

In order to evaluate the oxygen permeability of the prepared multi-layer paper sheet, a multi-layer paper sheet specimen was mounted on the carrier gas side of the oxygen permeation measurement device, and the oxygen permeability (unit: mL/(m ² *day*atm)) was performed by an isobaric method. was measured. Oxygen permeability was measured at 20° C., humidity 85% RH, oxygen pressure 1.0 atm, and carrier gas pressure 1.0 atm, and the results are shown in Table 3 above.

As shown in Table 3, as a result of evaluating the oxygen permeability of the multi-layered paper sheets of Examples and Comparative Examples prepared using a polyurethane adhesive, the multi-layered paper sheets prepared by the method according to Examples 1 and 2 were airtight. It was confirmed that it was possible to effectively prevent burning of cigarette butts after sealing the cigarette butts by forming a structure through which oxygen cannot easily permeate.

The detailed description of the preferred embodiments of the present invention disclosed as described above is provided to enable any person skilled in the art to make and practice the present invention. Although the above has been described with reference to preferred embodiments of the present invention, it will be understood by those skilled in the art that various modifications and changes can be made to the present invention without departing from the scope of the present invention. For example, a person skilled in the art may use each configuration described in the above-described embodiments in a way that is combined with each other. Accordingly, the present invention 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.

The present invention may be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention. Accordingly, the above detailed description should not be construed as restrictive in all respects but as exemplary. The scope of the present invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention. The present invention 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. In addition, claims that are not explicitly cited in the claims may be combined to form an embodiment, or may be included as new claims by amendment after filing.

10: envelope 11: front part
12: rear part 13: joint part
14: opening 15: cover part
16: handle part 17: bent part
18: triangular bottom part 19: vertical fold part
20: side 21: triangular fold
100: multi-layer paper sheet 110: metal sheet layer
120: first adhesive layer 130: second adhesive layer
140: first paper sheet layer 150: second paper sheet layer
200: cup
201: side part 202: bottom part
203: junction 204: opening
205: cover part 206: adhesive area (adhesive + release paper)

Claims (9)

In the packaging material manufactured by overlapping and bonding multi-layer paper sheets, and having an opening to accommodate a cigarette butt on one side,
The multi-layer paper sheet,
a metal sheet layer comprising an aluminum sheet and having a thickness of 5 to 30 μm;
a first adhesive layer formed on one surface of the metal sheet layer;
a second adhesive layer formed on the other surface of the metal sheet layer;
a first paper sheet layer formed on an upper surface of the first adhesive layer; and
a second paper sheet layer formed on the upper surface of the second adhesive layer;
The first adhesive layer and the second adhesive layer have a thickness of 5 to 20 μm, 30% by weight of polyurethane resin, 20% by weight of acrylic resin, 10% by weight of polyester resin, 20% by weight of diisocyanate curing agent, 15% by weight of polyethylene glycol % and a mixed polyurethane adhesive containing 5% by weight of polyethylene oxide, and is manufactured in an envelope-shaped structure, the mixed polyurethane adhesive further includes an adsorbent powder, and the adsorbent powder is the mixed polyurethane adhesive 5 parts by weight of shell powder, 2 parts by weight of boron carbide and boron oxide mixed powder in a 1:1 weight ratio based on 100 parts by weight, and an average particle size of 0.05 to 1 μm.
delete According to claim 1,
The first multi-layer paper sheet and the second multi-layer paper sheet of a rectangular structure are manufactured by bonding the left and right sides and the lower side in an overlapping state, and have a structure including a front portion, a rear portion, a bonding portion, an opening and a cover portion,
The first multi-layer paper sheet has an isosceles trapezoidal shape in which left and right non-parallel sides are the same length, and the length of the upper side is longer than the length of the lower side,
The second multi-layer paper sheet has a rectangular shape,
The first multi-layer paper sheet has a lower side length equal to the length of the lower side of the second multi-layer paper sheet, characterized in that it is manufactured as a bag for collecting cigarette butts. According to claim 1,
It has a structure including a front part, a rear part, a junction part, an opening part, and a handle part,
Cigarette butt sashimi formed by folding one multi-layered paper sheet with a rectangular structure from both sides in the longitudinal direction to form a front part, a rear part, and a handle, respectively, and joining the both ends and the lower end located on the front part in the folded state to form a joint and an opening. A packaging material for cigarette butt recovery, characterized in that it is produced as an accommodation bag.. According to claim 1,
It has a structure including a front part, a rear part, a junction part, an opening part, a cover part, and a bent part,
The multilayer paper sheet is cut so that the length of the front part and the rear part are asymmetrical, and the upper part of the rear part is longer than the upper part of the front part to extend in the longitudinal direction to form a cover part, and the cover part is formed on the rear part, and the front part and the rear part are envelopes Cigarette butt ash, characterized in that it is made as a cigarette butt recovery bag in which a junction is formed by forming a bent part by stamping in an 'inverted V' shape from the outside of the front part and the rear part and joining the both ends and lower ends of the Acceptable packaging material. According to claim 1,
It has a structure including the front part, the rear part, the junction part, the opening part, the triangular front part formed at the lower end of the front part and the rear part, and the triangular bottom part that is formed vertically in the central region of the rear part to form a triangular surface,
By cutting the multi-layer paper sheet, the front and rear portions are folded along the vertical fold, and the bottom surface is unfolded by the triangular bottom portion to have a capacity suitable for accommodating the opening and cigarette butts of the fourth envelope structure. Cigarette butt recovery packaging material, characterized in that produced as a cigarette butt recovery bag. According to claim 1,
A front part, a rear part, a side part, and a junction part and an opening formed by bonding the longitudinal edges of both sides of the side part to the front part and the rear part, respectively,
A vertical fold is formed from the center of the side part to a vertical region, and the lower center of the side part located in the area between the lower ends of the front part and the rear part is lifted upward and folded to form a lower triangular dome, and the triangular dome is unfolded and vice versa It consists of an unfolding triangular fold,
By cutting the multi-layer paper sheet, the front part, the rear part, and the side part are made into a cigarette butt recovery bag of the fifth envelope structure (10d) configured to be folded or unfolded by the vertical fold part and the triangular fold part. Cigarette butt recovery packaging. According to claim 1,
The multilayer paper sheet is cut to form a junction and joined to form a truncated conical shape, a circular opening at the top formed by the side part, and a circular bottom part for shielding the bottom. Cigarette butt recovery packaging material, characterized in that produced as a cigarette butt recovery cup having a. delete

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