KR20190139602A - Heat-insulating box with recycling function - Google Patents

Abstract

The present invention relates to an insulation box with a recycling function and, more specifically, to an insulation box with a recycling function, which comprises an insulation unit for keeping warm and cold inside a box body to maintain insulation efficiency and at the same time, smoothly separate the insulation unit to be recycled. The insulation box comprises: a box body which is formed of an openable hexahedron having an inner space to accommodate an article using a corrugated cardboard that forms an absorbing force to relieve the impact force when an object collides, and is provided with an inner surface that is smooth for the inner side thereof to be easily bonded and separated; and an insulation unit composed of an adhesion layer detachably bonded to the inner surface of the box body and an insulation layer for minimizing the movement of heat to receive articles such as fish and shellfish, meat, and agricultural products and transport the same in a fresh condition.

Description

Heat-insulating box with recycling function

The present invention relates to a thermal insulation box having a recycling function, and in particular, to provide a thermal insulation or thermal insulation inside the box body to maintain the thermal insulation efficiency and at the same time to facilitate the separation of the thermal insulation recycling to minimize environmental pollution by recycling It relates to an insulation box having a.

In general, a thermal insulation box is used to safely move or deliver goods that can maintain freshness.

The insulation box mainly uses expanded polystyrene called styrofoam or styrofole to distribute fresh items such as seafood, meat, and agricultural products that are susceptible to corruption. A vacuum insulation material and a styropol are laminated | stacked and manufactured on the side surface and the upper and lower surface of the box formed from paper.

However, the conventional insulation box has a problem in that it is difficult to recycle as well as recycled materials, such as paper or plastic material, because the whole is formed of styrofoam or part is made of styrofoam, causing environmental pollution.

In addition, the styrofoam insulation box is limited to printing a variety of descriptions and advertisements, such as a paper box on the surface and there is a problem that the volume is significantly increased because the original box must be kept intact because the manufactured box can not be folded.

In addition, since the styrofoam insulation box melts immediately when the volatile material is touched, it requires attention to handling and crumbles even in a slight impact, and thus has a weak durability.

Also, in the case of a box made of paper such as cardboard, various descriptions and advertisements for the contents may be displayed on the surface, but it is difficult to insulate the fresh products such as agricultural products or marine products due to the difficulty of insulation of the appropriate temperature for the contents during distribution. There is a difficult problem to do.

Patent Publication No. 10-2003-0060191

Accordingly, the present invention has been made to solve the above problems, an object of the present invention is to enable a fresh transport or transport of goods, such as seafood (fish), meat (물), agricultural products (農 産物) and At the same time to provide an insulating box to facilitate recycling.

In order to achieve the above object, the present invention provides a heat insulating box, the inner space to accommodate the article using a corrugated cardboard to form an absorbing force to relieve the impact force when the object collides It is formed of an open and close hexahedron, the inner surface and the box body is provided with a smooth surface to facilitate adhesion and separation; A pressure-sensitive adhesive layer detachably adhered to an inner surface of the box body, and a product such as seafood, meat, and agricultural products can be accommodated to minimize the movement of heat to freshly transport or transport. A heat insulating portion composed of a heat insulating layer; Characterized in that it comprises a.

Characterized in that it is formed of kraft paper to facilitate the adhesion and separation of the heat insulating portion.

The adhesive layer is made of a high density polyethylene (HDPE) film that is discharge treated (discharge treatment) on one surface so that the adhesion is easy without a transition phenomenon when applying the adhesive.

The pressure-sensitive adhesive layer is characterized in that the adhesive is bonded to the folded portion or less when bonding (bonding) the inner surface of the box body.

The heat insulation layer is formed to be integral with the other surface of the adhesive layer, characterized in that made of a composite heat insulating material to minimize the temperature change of the outside and the inside.

The insulation layer is formed of a polyethylene foam formed with a plurality of air layers, the aluminum foil laminated to one surface of the polyethylene foam to block the movement of heat and at the same time to block the movement of heat to improve the thermal insulation, moisture or water It is characterized by consisting of oriented polypropylene to prevent penetration and prevent performance degradation against the penetration of fats and oils.

The heat insulating part is characterized in that it is also formed on the outer surface of the box body.

The heat insulation layer is characterized in that formed in a thickness of 1 to 10t.

As described above, the present invention is formed of corrugated cardboard on the outside, and the inside is formed of a heat insulating portion made of a material such as polyethylene (PE), oriented polypropylene (oriented polypropylene (OPP)), seafood, meat (肉類), agricultural products It has the effect of transporting or transporting goods such as (fresh) and freshly and safely.

In addition, the present invention has an effect of preventing the environmental pollution by improving the recycling efficiency by easily and smoothly separating the outer corrugated cardboard and the inner heat insulating portion.

In addition, the present invention has the effect of improving durability to minimize damage or damage and to improve the convenience of handling.

1 is a view showing the box body and the heat insulating part of the heat insulating box according to the preferred embodiment of the present invention separately.
2 is a view showing a combined state of FIG.
3 is a cross-sectional view taken along the line AA of FIG. 2.
4 is a view schematically showing a state in which the article and the heat exchange means are inserted into the heat insulation box according to the preferred embodiment of the present invention.
5 is a view schematically showing a sealed state after inserting the article and the heat exchange means in the heat insulating box according to the present invention.
6 is a view showing another embodiment according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

Here, the components having the same function in all the following drawings are omitted by repeated reference to the same reference numerals, and the following terms are defined in consideration of functions in the present invention, which is a unique commonly used meaning It should be interpreted as.

As shown in Figures 1 to 5, the heat insulating box 100 according to the present invention is composed of a box body 110 and the heat insulating part 120.

The box body 110 is an openable hexagonal body having an inner space 111 to accommodate an article using a corrugated cardboard to form an absorbing force (absorbing force) to relieve the impact force when the object collides Is formed in, the inner surface is provided with a smooth surface (112) to facilitate adhesion and separation.

Here, the to (112) is preferably formed of kraft paper (kraft paper: a wrapping paper mainly composed of unbleached kraft pulp, which is a kind of chemical pulp) to facilitate adhesion and separation of the heat insulating part 120. .

Accordingly, when the heat insulating part 120 is attached (bonded) to the inner surface of the box body 110, a smooth adhesion (coupling) may be achieved, and if necessary, the heat insulating part 120 may be smoothly separated.

In addition, the box body 110 has a plurality of opening and closing surface 113 having a folding portion (113a) and a cutting portion (113b) on each surface for folding and unfolding operation for opening and closing at the top or bottom.

That is, when each opening and closing surface 113 is folded based on the folding portion 113a, the box body 110 is closed while the opening and closing surfaces 113 are independently folded inward by the cutout 113b.

On the contrary, when the opening and closing surface 113 is opened on the basis of the folding portion 113a, the box body 110 is opened while the opening and closing surface 113 is independently extended to the outside by the cutout 113b.

In addition, the box body 110 preferably includes a corrugated, flute (eg, E-flute, F-flute, N-flute, or G-flute) non-corrugated or embossed air channel 114.

Here, the flute (Flute) refers to a form in which the entrance is thin and long.

In addition, the air channel 114 may be formed in a vertical, horizontal, diagonal or other direction, and may be located in parallel with each other.

In addition, the air channel 114 is preferably closed at both ends to block the movement of heat and improve the thermal insulation efficiency.

That is, both ends of the air channel 114 formed in the box body 110 is preferably closed by a tape or the like to minimize the heat transfer.

In addition, printed matters such as letters, pictures, and figures of various forms are formed on the outer surface of the box body 110 as necessary.

The heat insulation unit 120 is freshly accommodated by the adhesive layer 121, which is detachably bonded to the inner surface of the box body 110, and articles such as seafood, meat, and agricultural products. It is composed of a heat insulating layer 122 to minimize the movement of the heat to transport or transport.

The adhesive layer 121 is made of a high density polyethylene (HDPE: high density polyethylene) film on one side of the corona, that is, discharge treatment (discharge treatment) to facilitate the adhesion without a transition phenomenon during the application of the adhesive.

In other words, by using a discharge treatment machine to generate a corona salt on one surface of the high-density polyethylene film to pass through the film therebetween to perform a discharge treatment to modify the surface, the surface of the film is oxidized to reduce the contact angle with water indicating the degree of hydrophilicity. .

Accordingly, since the transition phenomenon is prevented when the adhesive is applied to one surface of the high-density polyethylene film, which is the adhesive layer 121, the durability of the heat insulation layer 122 is improved, and at the same time, the detachment is smoothly performed on the inner surface of the box body 110. This can facilitate the separate collection.

In addition, in order to reduce the deformation of the sheet and to smoothly attach and detach the inner surface of the box body 110 by using the high density polyethylene film, the adhesive force of the adhesive is preferably 1,000 to 1,200.

In addition, the adhesive layer 121 is less than the folded portion 113a of the box body 110 to achieve a smooth adhesion (bonding) and separation when the heat insulating portion 120 is bonded (bonded) to the inner surface of the box body 110. It is preferable to make it adhere.

That is, when the entire bonding to the opening and closing surface 113 on the basis of the folded portion (113a), after the packaging of the article, condensation or moisture or moisture generated by the heat exchange means 130 to be described later through the gaps There is a possibility of outflow to the box body 110.

Therefore, it is preferable that the adhesive layer 121 is adhered only to the bottom surface based on the folded portion 113a.

In addition, it is preferable that the heat insulating part 120 located on the upper and lower surfaces of the folding part 113a is sealed by a tape (not shown) or the like.

In addition, the adhesive may preferably use an acrylic adhesive or a urethane adhesive so that the heat insulating layer 122 is easily and firmly attached to the box body 110 or is easily detachable.

The acrylic adhesive is composed of an acrylic copolymer and a solvent.

The acrylic adhesive is composed mainly of an acrylic copolymer of at least one acrylic ester monomer plus an ethylenic carboxylic acid monomer having an ethylene carboxylic acid monomer portion of 0 to 10 parts by weight and a viscosity of 500 to 50,000 centipoise.

And the acrylic ester monomer used in the acrylic copolymer is methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, dimethyl fumarate, diethyl fumarate, dimethyl malate, dimethyl itaco Acrylate, monomethyl fumarate, monoethyl fumarate, 2-ethylhexyl acrylate, etc. Preferably, methyl acrylate, methyl methacrylate, ethyl acrylate or ethyl methacrylate are most preferred ethyl methacrylate. Examples of the ethylenically unsaturated carboxylic acid monomers include acrylic acid, methacrylic acid, crotonic acid, maleic acid, fumaric acid, and itaconic acid.

Preferably acrylic acid. Acrylic acid is preferably used in the copolymerization oligomer in an amount of 1 to 6 parts by weight.

The polyurethane adhesive can be prepared in various formulations.

As an example, a small amount of protected diisocyanate is added mainly as a polyurethane prepolymer, and under normal temperature drying conditions, the precursor is cured by evaporation of a solvent and the isocyanate protected by a heat dissociation reaction is activated and cured by a urethane reaction.

Diisocyanate protecting agents include phenols, phenol derivatives, oximes, lactams, dialkylmalonates, pyrazole derivatives, triazoles and imidazoles, and the like.

Alternatively, the polyurethane prepolymer may be used as the main component, and the urethane prepolymer diacrylate may be added, and a small amount of the crosslinking component may be added to cause crosslinking reaction and thermal curing.

At this time, a nucleophilic thermal reactive crosslinking component and an electrophilic thermal reactive crosslinking component are used as a crosslinking component.

Monomers containing hydroxy alkyl groups as nucleophilic thermally reactive crosslinking components include 2-hydroxyethyl acrylate, 2-hydroxymethyl methacrylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, hydroxybutyl acryl Ethylene, hydroxybutyl methacrylate, 3-chloro-2-hydroxypropyl methacrylate and 2-hydroxy-3-phenoxypropyl acrylate may be used, and acryl amide and ethylene amine may be used. Amides, methacrylamides, N-methylolacrylamides, N-methylolmethacrylamides, N, N-dimethylacrylamides and their corresponding amines may be used. Preferably, 01 to 3 parts by weight of acrylamide is used. .

In addition, glycidyl acrylate, glycidyl methacrylate, methyl glycidyl acrylate, allyl glycidyl ether, etc. may be used as the glycidyl compound as the electrophilic thermally reactive crosslinking component. As the aryl or aralkyl peroxide, tert-butyl peroxybenzoate, di-ter-butyl peroxide, lauryl peroxide, benzoic peroxide and the like are used.

In addition, maleic anhydride may also be used. Preferably glycidyl methacrylate 01 to 3 parts by weight is used.

Alternatively, the urethane-based adhesive may be blended by using a polyurethane prepolymer as a main component and adding an initiator and an acrylate.

As the acrylate, monoacrylate and / or diacrylate are used.

As a diacrylate compound, for example, urethane prepolymer diacrylate, 1,6-hexanediol diacrylate, 1,6-hexanediol ethoxylated diacrylate, 1,4-butanediol diacrylate, tetraethylene Diacrylate, hydroxy pivalate neopentyl glycol diacrylate, tripropylene glycol diacrylate, dipropylene glycol diacrylate, polyethylene glycol diacrylate, polyethylene glycol diacrylate, bisphenol A ethoxylated diacrylate, trimethyl Roll propane trialkylate, glycerin propoxylated triacrylate, pentaerythritol triacrylate, dipentaerythritol pentaacrylate or di (pentaerythritol hexaacrylate).

As a monoacrylate compound, for example, isobornyl acrylate, isobornyl methacrylate, 2-hydroxyethyl methacrylate, 2-hydroxyethyl acrylate, methacrylic acid, acrylic acid, methyl methacrylate, methylacryl Ethylene glycol dimethacrylate, triethylene glycol dimethacrylate, and the like. As an initiator, an azo compound having an RN = NR 'structural formula having a relatively high decomposition temperature is used.

Solids of such acrylic adhesives or urethane adhesives are diluted two or more times with a solvent.

Commonly used solvents include BTX solvents and ketones such as MIBK and MEK.

Such an adhesive is preferably applied uniformly to one surface of the high-density polyethylene film, which is the adhesive layer 121, with an appropriate thickness detachable by roll coating or comma coating.

However, the adhesive according to the present invention is not limited thereto, and the insulating layer 122 may be easily attached to or detached from the box body 110, or 'post-it' of 3M company (3M company). It is also possible to use adhesives having adhesive properties used for adhesive memo papers which are widely known under the trade names.

The heat insulating layer 122 is formed to be integral with the other surface of the adhesive layer 121 and is made of a composite heat insulating material to minimize the temperature change of the outside and the inside.

That is, the heat insulation layer 122 is laminated through one surface of the polyethylene foam 122a having a plurality of air layers a and the polyethylene foam 122a to block external light and ultraviolet rays and to block heat movement. Aluminum foil 122b for improving thermal insulation, and oriented polypropylene 122c for preventing penetration of moisture or water and preventing performance degradation against penetration of oil and fat.

Here, since the movement of heat is blocked or minimized by forming a plurality of air layers a in the polyethylene foam 122a, heat of the article packaged by the heat insulating part 120 is prevented from being deprived of heat or the heat penetrating into the article for a long time. Freshness can be maintained.

The heat insulating layer 122 of this configuration is preferably formed by laminated finishing.

Therefore, the present invention is fresh and safe transport or transport of goods such as fish and shellfish (fish), meat (에), agricultural products (農 産物) by the heat insulating portion 120 and at the same time separate from the box body 110 Easily and smoothly, recycling of resources can prevent environmental pollution.

In addition, the heat insulation layer 122 according to the present invention is preferably formed to a thickness of 1 to 10t.

In other words, when the thickness of the heat insulation layer 122 is less than 1t, the heat insulation function is not smoothly achieved, and when the heat insulation layer 122 is formed to be 10t or more, the price is increased and the volume is increased to reduce the packaging efficiency as well as the price Since it is not possible to achieve the excellent heat insulation efficiency, it is preferable to form a thickness of 1 to 10t.

In addition, the heat exchange unit 130 is preferably formed inside the heat insulating part 120.

Here, the heat exchange means 130 is preferably made of a hot pack for keeping warm or ice or a refrigerant for cooling.

Therefore, the heat insulating box 100 of the present invention through the heat exchange means 130 formed in the heat insulating part 120 can carry or store the heat or cold insulation of the article even more safely and freshly.

In particular, the heat exchange means 130 is to be formed in the heat insulating part 120, so that condensation, moisture and moisture do not flow into the box body 110 to improve the thermal insulation or cold storage efficiency.

Referring to the assembled state of the present invention configured as described above are as follows.

First, the heat insulating part 120 is attached to the inner surface of the box body 110.

In this case, the adhesive layer 121 of the heat insulating part 120 may be bonded only to the bottom surface based on the folded portion 113a of the box body 110.

Next, the box body 110 is folded to form a box.

At this time, to close the bottom surface of the box body 110 by folding the opening and closing surface 113 on the basis of the folding portion (113a) to form the inner space 111 by closing the bottom.

Then, the heat insulation part 120 corresponding to each opening and closing surface 113 of the bottom surface of the box body 110 is folded to seal the cut portion with a tape.

Accordingly, the heat insulating part 120 corresponding to the bottom surface of the inner space 111 forms a gastight state.

Next, insert the heat exchange means 130 and the article to be transported or transported into the inner space 111 of the box body 110 bonded to form the heat insulating part 120 integrally.

Thereafter, the heat insulation part 120 corresponding to each opening and closing surface 113 of the upper surface of the box body 110 is folded to seal the cut portion with a tape.

In addition, when each opening and closing surface 113 is folded on the basis of the folding portion 113a to close the upper surface of the box body 110, each opening and closing surface 113 of the upper surface is independently opened by the cutout 113b. While folded, the upper surface of the box body 110 is closed.

Therefore, the heat insulation box 100 of the present invention can maintain the freshness during storage, transport or transport of the food, such as fish or meat to be kept fresh, replacing the existing styrofoam box, and at the same time empty box after use Not only can they be recycled, they can be easily separated from paper and plastic, but they can also significantly reduce environmental pollution compared to the use of styrofoam boxes.

In addition, the insulation box 100 of the present invention can prevent damage caused by environmental hormones by replacing the existing styrofoam box.

On the other hand, Figure 6 is a view showing another embodiment according to the present invention, which is also formed in the outer surface of the box body 110, the heat insulating portion 120, on both the inner and outer surfaces based on the box body 110 By blocking the movement of heat, the heat insulation of the box body 110 is doubled so that items such as fish and shellfish, meat and agricultural products can be transported and stored more freshly and safely.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes to other equivalent embodiments may be made without departing from the technical spirit of the present invention. It will be apparent to those skilled in the art to which the invention pertains.

100: insulation box 110: box body
111: internal space 112: to
113: opening and closing surface 113a: folding part
113b: Incision 114: air channel
120: heat insulating portion 121: adhesive layer
122: heat insulation layer 122a: polyethylene foam
122b: aluminum foil 122c: stretched polypropylene
130: heat exchange means

Claims (8)

In the insulation box,
It is formed of an openable hexagonal body having an inner space for accommodating an article using corrugated cardboard which forms an absorbing force to alleviate the impact force when an object collides, and the inner surface is easily adhered to and detached. A box body provided with a smooth surface to facilitate;
A pressure-sensitive adhesive layer detachably adhered to an inner surface of the box body, and a product such as seafood, meat, and agricultural products can be accommodated to minimize the movement of heat to freshly transport or transport. A heat insulating portion composed of a heat insulating layer; Insulation box having a recycling function, characterized in that it comprises a. The method of claim 1,
Insulation box having a recycling function, characterized in that formed from kraft paper to facilitate the adhesion and separation of the insulation. The method of claim 1,
The adhesive layer is a heat insulating box having a recycling function, characterized in that made of a high-density polyethylene (HDPE) film of one side discharge treatment (discharge treatment) so that the adhesion is easy without a transition phenomenon when applying the adhesive. The method of claim 1,
The adhesive layer is a thermal insulation box having a recycling function, characterized in that the adhesive is bonded to the folded portion or less when bonding (bonding) to the inner surface of the box body. The method of claim 1,
The insulating layer is formed to be integral with the other surface of the adhesive layer and the insulating box having a recycling function, characterized in that made of a composite insulating material to minimize the temperature change of the outside and inside. The method of claim 1,
The insulating layer is a polyethylene foam formed with a plurality of air layers, the aluminum foil is laminated through one surface of the polyethylene foam to block heat and ultraviolet light at the same time to block the movement of heat to improve the thermal insulation, moisture or water An insulated box having a recycling function, characterized by being made of oriented polypropylene that prevents penetration and prevents performance degradation against the penetration of fats and oils. The method of claim 1,
The heat insulation box has a recycling function, characterized in that also formed on the outer surface of the box body. The method of claim 1,
The heat insulation layer is a heat insulation box having a recycling function, characterized in that formed in a thickness of 1 to 10t.

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