KR100956627B1 - Label of wet glue plastic film - Google Patents

Abstract

PURPOSE: A water-soluble adhesive plastic film label is provided to reduce a cleaning charge by rapidly removing the film label from a container, and to prevent molds from growing. CONSTITUTION: A water-soluble adhesive plastic film label(100) comprises the following: a shrinkable plastic film layer(10) shrinking by the contact of hot water, fume, and hot air; a printing layer(20) laminated on the upper side of the shrinkable plastic film layer while being printed with letters and characters to mark an indicating product; and an adhering layer to attach the shrinkable plastic film layer to a container while being laminated on the lower side of the shrinkable plastic film layer. The adhering layer is formed with a water-soluble adhesive.

Description

Label of wet glue plastic film

The present invention relates to a water-soluble adhesive plastic film label, and more particularly, in a label attached to a container such as a glass bottle or a PET bottle, a shrinkage plastic film layer that shrinks as hot water, steam, or hot air of a predetermined temperature or more is applied. It is composed of a pressure-sensitive adhesive layer made of a water-soluble adhesive and excellent in water resistance, no crushing, no mildew, and a quick release from the container relates to a water-soluble adhesive plastic film label that can reduce the bottle cost.

In general, the label attached to a container such as a glass bottle or a PET bottle is a paper or vinyl material and is attached to the container by a water-soluble adhesive (adhesive layer), and a container recycling company uses the container when removing the label to recycle the container. The label was peeled off and removed by soaking in a warm water or the like and slowly dissolving the adhesive layer with hot water.

Conventional paper labels are easily absorbed by water, so they are less water-resistant, friable after water, ice, and cold storage, are more likely to be handled by the label's starch, and easily moldy due to the starch component of the paper. In the case of a conventional paper label attached to the container by the water-soluble adhesive, the label is not removed from the container cleanly in the bottle washing process to remove the label for recycling of the container, and the residue of the label and adhesive remains on the container. There are many cases that separate personnel and processes are required to remove them again, so the bottle cost increases, and the conventional water-soluble adhesive takes a lot of bottle time to remove the label because the water-soluble adhesive is slowly dissolved in water and the label is peeled from the container. There was a problem.

In addition, since the water used in the bottle washing process is easily contaminated with the label and adhesive residues, there is a problem in that an additional economic loss caused by the purification of the wastewater generated therefrom occurs.

The present invention has been made to solve the above problems of the conventional paper label, in the label attached to a container such as a glass bottle or PET bottle, shrinkage plastic shrinking as hot water, steam or hot air of a predetermined temperature or more is applied An object of the present invention is to provide a water-soluble adhesive plastic film label which is composed of a film layer and a pressure-sensitive adhesive layer made of a water-soluble adhesive, which has excellent water resistance, no crushing, no mold generation, and is quickly detached from a container to reduce bottle cost.

The water-soluble adhesive plastic film label according to the present invention is a label attached to a container, the shrinkable plastic film layer shrinking as hot water, steam or hot air is applied at a predetermined temperature or more; A printed layer on which the letters or figures are printed and stacked on top of the shrink plastic film layer to display a product; A pressure-sensitive adhesive layer is formed to be laminated under the shrink plastic film layer to attach the shrink plastic film layer to the container, wherein the adhesive layer is made of a water-soluble adhesive, and the water-soluble adhesive is styrene-butadiene-rubber latex 40-50 It is made by mixing a weight part, 35-45 weight part of acrylic emulsion, 5-15 weight part of ethylene-vinyl-acetate emulsions, 0.5-1.0 weight part of sodium hydroxide, 0.05-0.15 weight part of fungicide, and 3.5-4.5 weight part of water. do.
On the other hand, the water-soluble adhesive plastic film label according to the present invention, in the label attached to the container, the shrinkage plastic film layer that shrinks as a hot water, steam or hot air of a predetermined temperature or more is applied; A printed layer on which the letters or figures are printed and stacked on top of the shrink plastic film layer to display a product; A pressure-sensitive adhesive layer is formed to be laminated under the shrink plastic film layer to attach the shrink plastic film layer to the container, wherein the adhesive layer is made of a water-soluble adhesive, and the water-soluble adhesive is styrene-butadiene-rubber latex 40-50 A weight part, 45-55 weight part of acrylic emulsion, 0.5-1.0 weight part of methyl alcohol, 0.5-1.0 weight part of sodium hydroxide, 0.05-0.15 weight part of fungicides, 3.0-4.0 weight part of water, It is characterized by the above-mentioned.

In addition, the water-soluble adhesive plastic film label according to the present invention is a coating layer is further included to protect the shrink plastic film layer and the printed layer, the coating layer is laminated on the lower side or the upper side in contact with the shrink plastic film layer. Or the coating layer is laminated on the lower side in contact with the shrink plastic film layer and the upper side in contact with the printing layer.

In addition, the water-soluble adhesive plastic film label according to the present invention is further formed in contact with the coating layer laminated to the upper side of the printing layer or the lower side of the contracted plastic film layer is further formed in contact with the coating layer laminated to the lower side It is characterized by.

On the other hand, the water-soluble adhesive plastic film label according to the present invention, in the label attached to the container, the shrinkage plastic film layer that shrinks as a hot water, steam or hot air of a predetermined temperature or more is applied; A printed layer displaying letters and figures printed and laminated under the shrink plastic film layer to display a product; The adhesive layer is formed to be laminated to the lower side of the printing layer to adhere the printing layer to the container, the adhesive layer is made of a water-soluble adhesive, the water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, acrylic 45 to 55 parts by weight of the emulsion, 0.5 to 1.0 parts by weight of methyl alcohol, 0.5 to 1.0 parts by weight of sodium hydroxide, 0.05 to 0.15 parts by weight of fungicide, and 3.0 to 4.0 parts by weight of water.
On the other hand, the water-soluble adhesive plastic film label according to the present invention, in the label attached to the container, the shrinkage plastic film layer that shrinks as a hot water, steam or hot air of a predetermined temperature or more is applied; A printed layer displaying letters and figures printed and laminated under the shrink plastic film layer to display a product; The adhesive layer is formed to be laminated to the lower side of the printing layer to adhere the printing layer to the container, the adhesive layer is made of a water-soluble adhesive, the water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, acrylic 45 to 55 parts by weight of the emulsion, 0.5 to 1.0 parts by weight of methyl alcohol, 0.5 to 1.0 parts by weight of sodium hydroxide, 0.05 to 0.15 parts by weight of fungicide, and 3.0 to 4.0 parts by weight of water.

In addition, the water-soluble adhesive plastic film label according to the present invention is a coating layer is further included to protect the shrink plastic film layer and the print layer, the coating layer is laminated on the upper side or the bottom side in contact with the shrink plastic film layer. Or the coating layers 40 and 40 'are laminated on the upper side and the lower side in contact with the shrinkable plastic film layer.

In addition, the water-soluble adhesive plastic film label according to the present invention is formed in contact with the coating layer laminated to the upper side or the bottom of the printed layer in contact with the coating layer laminated to the upper side of the shrink plastic film layer further comprises an embossed layer below. It is characterized by.

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According to the water-soluble adhesive plastic film label according to the present invention, it is composed of a contracted plastic film layer and a pressure-sensitive adhesive layer composed of a water-soluble adhesive that shrinks as hot water, steam, or hot air is applied at a predetermined temperature or more, and has excellent water resistance, no crushing, and mold generation. There is no such thing, and it can be quickly removed from the container, thereby reducing the cost of bottle.

Hereinafter, described in detail with reference to the accompanying drawings, the water-soluble adhesive plastic film label according to the present invention.

1 is a state of use of the water-soluble adhesive plastic film label according to the present invention according to the present invention, Figure 2 is a cross-sectional view of another embodiment of the water-soluble adhesive plastic film label according to the present invention and Figure 3 is a water-soluble adhesive plastic film label according to the present invention It is a bottle of state.

The water-soluble adhesive plastic film label according to the present invention is a shrink plastic film that shrinks as a hot water, steam or hot air of a predetermined temperature or more is applied to a label attached to a container such as a glass bottle or a PET bottle as shown in FIG. 1. Layer 10; A printed layer 20 for displaying a product by printing and stacking letters or figures on the upper side of the shrink plastic film layer 10; The adhesive layer 30 is laminated to the bottom of the shrink plastic film layer 10 to attach the shrink plastic film layer 10 to the container, but the adhesive layer 30 is made of a water-soluble adhesive. do.

According to this, the shrinkage plastic film layer is formed with the printing layer on the upper side as shown in Figure 2 (a) is composed of the front printing and the plastic film layer is the back side is attached to the container Is achieved.

The shrink plastic film layer is made of a heat shrink plastic film, the heat shrink plastic film is a heat shrink PET (polyethylene terephthalate) film, heat shrink polyvinychloride (PVC) film, heat shrink PS (polystyrene) film, heat shrink PP (polypropylene) film, heat shrink PO (polyolefin) As the film, the heat shrinkable PE (polyethylene) film, and the heat shrinkable biodegradable film, all plastic films having heat shrinkage characteristics such as heat shrinkable PLA (Poly Lactic Acid) film can be used.

The heat-shrinkable polyethyleneterephthalate (PET) film is a film made of polyethyleneterephthalate (PET) resin that does not use a chlorine-based resin. Since it does not use chlorine-based resins, it does not generate chlorine gas or dioxin even when incinerated and generates less heat than other materials. It is a material with printability, solvent resistance, transparency, and low temperature and high shrinkage.

The heat-shrinkable PP (Polypropylene) film is a film made of PP (Polypropylene), which is a lightweight, easy-to-molding thermoplastic resin obtained by polymerizing propylene.

The heat-shrinkable polyvinychloride (PVC) film is a film made of polyvinychloride (PVC) consisting of a homopolymer of vinyl chloride and a copolymer containing 50% or more of vinyl chloride.

The heat shrinkable PS (Polystyrene) film is a polymer compound and can be obtained cheaply from benzene and ethylene, and is made of PS (Polystyrene) having good electrical insulation, transparency, and moldability.

In addition, the printing layer laminated on the upper side of the shrink plastic film layer has a function of promoting a product by printing a letter or a figure related to the contents contained in the container, advertisements and warning papers. Characters or figures can be printed by gravure printing, silkscreen printing, offset printing, inkjet printing, dot printing (FLEXO printing, LETTER PRESS printing) or ultraviolet curing printing techniques.

In addition, the adhesive layer is laminated under the shrink plastic film layer so that the water-soluble adhesive plastic film label according to the present invention can be adhered to the container in close contact. The adhesive layer is made of a water-soluble adhesive, the adhesion to the container should not be greater than the shrinkage force of the shrink plastic film and should not be easily peeled off at room temperature. Generally, the adhesive layer should not be peeled off within 72 hours by soaking in water at room temperature. do.

The water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, 35 to 45 parts by weight of acrylic emulsion, 5 to 15 parts by weight of ethylene-vinyl acetate acetate, 0.5 to 1.0 parts by weight of sodium hydroxide, and 0.05 to 0.15 parts by weight of disinfectant , 3.5 to 4.5 parts by weight of water or 40 to 50 parts by weight of styrene-butadiene-rubber latex, 45 to 55 parts by weight of acrylic emulsion, 0.5 to 1.0 parts by weight of methyl alcohol, 0.5 to 1.0 parts by weight of sodium hydroxide, and 0.05 to fungicide It is characterized by consisting of 0.15 parts by weight, 3.0 to 4.0 parts by weight of water.

According to this, the said water-soluble adhesive comprises the said adhesion layer. The styrene-butadiene-rubber (SBR) latex (Latex) is a synthetic rubber that is the main raw material of the water-soluble adhesive.

The acrylic emulsion is made of a polymer by reacting an acrylic monomer with an emulsifier and a polymerization initiator in a reactor, and the acrylic emulsion serves as a binder of the components constituting the water-soluble adhesive.

The ethylene-vinyl acetate emulsion (Ethylene-Vinyl-Acetate Emulsion) is an emulsion of ethylene and vinyl acetate copolymer is produced by a high-pressure hatching polymerization reaction, the ethylene content of 5 to 30% is used for the paint. It has the flexibility, soaping resistance, weatherability and affinity with the polar substance of vinyl acetate, and has better alkali resistance, pigment fixing ability and weather resistance than vinyl acetate emulsion, and has better physical properties than acryl acetate copolymer emulsion. Have.

The acrylic emulsion and the ethylene-vinyl-acetate emulsion may have the same properties and effects by combining the acrylic emulsion and the methyl alcohol.

The sodium hydroxide (Sodium Hydroxide) is a hydroxide of metal sodium, so deliquescent and corrosive strong and soluble in water and alcohol due to the strong deliquescent property of the water-soluble adhesive according to the present invention promotes the label peeling from the container in the bottle bottling process It is to play a role.

That is, as the order to be certain substances can be best affinity comparable to that good water hydrogen group (H ⁺⁾ and hydroxyl (OH ^-) have a have a and Na ⁺ OH Sodium hydroxide ^{- -} hydroxyl group (OH) a. Thus, sodium (Na) is a hydroxyl group (OH ^{-) -} self-pulling, so pull the pull hard materials such as water and become a means like the combining Besides electronegativity hydroxyl make a big Sodium is very intense (OH) This is true even from solid to liquid.

The fungicide is sufficient to add a very small amount relative to the total weight of the water-soluble adhesive to remove the mold.

In addition, the water-soluble adhesive plastic film label according to the present invention, as shown in Figure 2 (a) is further included a coating layer 40 to protect the shrink plastic film layer 10 and the printing layer 20 The coating layer 40 is laminated below the shrink plastic film layer 10 or above the printing layer 20, or the coating layer 40 below the shrink plastic film layer 10 and above the printing layer 20. 40, 40 ') are laminated.

According to this, the printing content formed on the printing layer by the coating layer is prevented from being scratched, blurred or erased, and the scratched plastic film layer can be prevented from being scratched and damaged.

In addition, the water-soluble adhesive plastic film label according to the present invention is embossed layer 50 to the upper side of the coating layer 40 above or to the lower side of the coating layer 40 'as shown in Figure 2 (a) It is characterized in that it is formed to include more.

According to this, the water-soluble adhesive plastic film label is formed in a single sheet, but when they are laminated, there is a point that it is difficult to use one by one in close contact with each other. Thus, by forming the convex embossed layer as described above, it is possible to contain air and separate from each other to be convenient for use.

On the other hand, the water-soluble adhesive plastic film label according to the present invention, in a label attached to a container such as a glass bottle or PET bottle, shrinkage plastic film layer 10 that shrinks as a hot water, steam or hot air of a predetermined temperature or more is applied; ; A printing layer 20 for displaying a product by stacking letters or figures under the shrink plastic film layer 10 to display a product; The adhesive layer 30 is laminated to the lower side of the printing layer 20 to attach the printing layer 20 to the container, but the adhesive layer 30 is made of a water-soluble adhesive.

According to this, the shrinkage plastic film layer is formed with the printing layer to the lower side as shown in Figure 2 (b) is composed of the back printing and the printing layer is the back side is made of a configuration attached to the container. .

The other configuration is the same as that of the above-mentioned front printing, and the back printing is composed of the back printing, so that the printed contents formed on the printing layer by the shrinkable plastic film layer are scratched and blurred or erased even without the protection means such as the coating layer. Can be prevented.

In addition, the water-soluble adhesive plastic film label according to the present invention, as shown in Figure 2 (b) is further included a coating layer 40 to protect the shrink plastic film layer 10 and the printing layer 20 The coating layer 40 is laminated on the upper side of the shrink plastic film layer 10 or the lower side of the printing layer 20, or the coating layer is disposed on the upper side of the shrink plastic film layer 10 and the lower side of the printing layer 20. 40, 40 ') are laminated.

According to this, the printing content formed on the printing layer by the coating layer is prevented from being scratched, blurred or erased, and the scratched plastic film layer can be prevented from being scratched and damaged.

In addition, the water-soluble adhesive plastic film label according to the present invention is embossed layer 50 to the upper side of the coating layer 40 above or to the lower side of the coating layer 40 'as shown in Figure 2 (b) It is characterized in that it is formed to include more.

According to this, the water-soluble adhesive plastic film label is formed in a single sheet, but when they are laminated, there is a point that it is difficult to use one by one in close contact with each other. Thus, by forming the convex embossed layer as described above, it is possible to contain air and separate from each other to be convenient for use.

In addition to the configuration of the sheet as described above, it will also be possible to form a separate protective film to the lower side of the pressure-sensitive adhesive layer to be used by winding the water-soluble adhesive plastic film label according to the invention in the form of a roll.

Hereinafter, the water-soluble adhesive plastic film label according to the present invention will be described in more detail with reference to Examples. However, the examples are for illustrating the present invention, and the present invention is not limited by the examples.

<Examples>

Composed of the front printing as shown in Figure 2 (a), the shrink plastic film layer is a heat shrinkable PET (polyethylene terephthalate) film and the contents related to the contents contained in the container to the upper side of the shrink plastic film layer, advertising and warning phrases, etc. Was printed by gravure printing to form a printed layer, and was formed by forming an adhesive layer composed of the water-soluble adhesive under the shrink plastic film layer.

The water-soluble adhesive was prepared by mixing 45 parts by weight of butadiene-styrene-rubber latex, 40 parts by weight of an acrylic emulsion, 10 parts by weight of ethylene-vinyl emulsion, 0.8 parts by weight of sodium hydroxide, 0.1 parts by weight of a disinfectant, and 4.1 parts by weight of water.

Labeling the water-soluble adhesive plastic film label according to the present invention prepared as described above in a glass bottle (soju bottle), the device for this was to use a conventional water-soluble adhesive labeler (Labeler) without additional equipment.

<Test Example>

The condition of the water-soluble adhesive plastic film label according to the present invention prepared in the above example and adhered to the glass bottle and the bottle to be peeled off using hot water were tested.

1. State when the container is attached

Compared with conventional paper labels, it has excellent water resistance, no water absorption, no crushing on contact with water and ice, and even after refrigeration, no fingerprints on the handle of the label, and no mold due to the presence of starch. Unlike paper labels, which did not produce any mold, and unlike paper labels, there was no foreign matter that occurred on the labels.

2. bottle

When hot water at 80 ° C. to 85 ° C. was applied to peel the water-soluble adhesive plastic film label according to the present invention from the container, as shown in FIG. 3, the label fell within 30 seconds while shrinking in the longitudinal and transverse directions.

What has been described above is merely an embodiment for carrying out the water-soluble adhesive plastic film label according to the present invention, the present invention is not limited to the above-described embodiment, the subject matter of the present invention as claimed in the following claims Without departing from the scope of the present invention, any person having ordinary skill in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

1 is a state of use of the water-soluble adhesive plastic film label according to the present invention according to the present invention.

2 is a cross-sectional view of another embodiment of a water soluble adhesive plastic film label according to the present invention.

Figure 3 is a bottle state of the water-soluble adhesive plastic film label according to the invention.

Description of the Related Art

10. Shrink plastic film layer 20. Printing layer

30. Adhesion layer 40, 40 '. Coating layer

50. Embossing layer 100. Water soluble adhesive plastic film label

200. Shochu bottle

Claims (8)

In the label attached to the container, Shrink plastic film layer 10 that shrinks as hot water, steam, or hot air above a predetermined temperature is applied; A printed layer 20 for displaying a product by printing and stacking letters or figures on the upper side of the shrink plastic film layer 10; The adhesive layer 30 is laminated to the bottom of the shrink plastic film layer 10 to attach the shrink plastic film layer 10 to the container, The adhesive layer 30 is made of a water-soluble adhesive, the water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, 35 to 45 parts by weight of acrylic emulsion, 5 to 15 parts by weight of ethylene-vinyl-acetate emulsion, hydroxide A water-soluble adhesive plastic film label comprising 0.5 to 1.0 parts by weight of sodium, 0.05 to 0.15 parts by weight of fungicide, and 3.5 to 4.5 parts by weight of water. In the label attached to the container, Shrink plastic film layer 10 that shrinks as hot water, steam, or hot air above a predetermined temperature is applied; A printed layer 20 for displaying a product by printing and stacking letters or figures on the upper side of the shrink plastic film layer 10; The adhesive layer 30 is laminated to the bottom of the shrink plastic film layer 10 to attach the shrink plastic film layer 10 to the container, The adhesive layer 30 is made of a water-soluble adhesive, the water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, 45 to 55 parts by weight of acrylic emulsion, 0.5 to 1.0 parts by weight of methyl alcohol, 0.5 to 1.0 sodium hydroxide A water-soluble adhesive plastic film label comprising a weight part, a disinfectant 0.05 to 0.15 part by weight, and water 3.0 to 4.0 part by weight. The method according to claim 1 or 2, The coating layer 40 is further included to protect the shrinkable plastic film layer 10 and the print layer 20, and the bottom contacted with the shrinkable plastic film layer 10 or the upper side contacted with the printed layer 20. Water-soluble adhesive plastic film label, characterized in that the coating layer (40) is laminated or the coating layer (40, 40 ') is laminated on the lower side in contact with the shrinkage plastic film layer (10) and the upper side in contact with the printing layer (20). The method of claim 3, The embossed layer 50 further contacts the coating layer 40 'stacked on the upper side or the lower side of the shrinkable plastic film layer 10 in contact with the coating layer 40 stacked above the printed layer 20. Water-soluble adhesive plastic film label, characterized in that it is formed. In the label attached to the container, Shrink plastic film layer 10 that shrinks as hot water, steam, or hot air above a predetermined temperature is applied; A printing layer 20 for displaying a product by stacking letters or figures under the shrink plastic film layer 10 to display a product; The adhesive layer 30 is formed to be stacked below the printed layer 20 to attach the printed layer 20 to a container, The adhesive layer 30 is made of a water-soluble adhesive, the water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, 45 to 55 parts by weight of acrylic emulsion, 0.5 to 1.0 parts by weight of methyl alcohol, 0.5 to 1.0 sodium hydroxide A water-soluble adhesive plastic film label comprising a weight part, a disinfectant 0.05 to 0.15 part by weight, and water 3.0 to 4.0 part by weight. In the label attached to the container, Shrink plastic film layer 10 that shrinks as hot water, steam, or hot air above a predetermined temperature is applied; A printing layer 20 for displaying a product by stacking letters or figures under the shrink plastic film layer 10 to display a product; The adhesive layer 30 is formed to be stacked below the printed layer 20 to attach the printed layer 20 to a container, The adhesive layer 30 is made of a water-soluble adhesive, the water-soluble adhesive is 40 to 50 parts by weight of styrene-butadiene-rubber latex, 45 to 55 parts by weight of acrylic emulsion, 0.5 to 1.0 parts by weight of methyl alcohol, 0.5 to 1.0 sodium hydroxide A water-soluble adhesive plastic film label comprising a weight part, a disinfectant 0.05 to 0.15 part by weight, and water 3.0 to 4.0 part by weight. The method according to claim 5 or 6, The coating layer 40 is further included in order to protect the shrinkable plastic film layer 10 and the print layer 20, and is in contact with the shrinkable plastic film layer 10 and the lower side in contact with the printed layer 20. A water-soluble adhesive plastic film label, characterized in that the coating layer (40) is laminated or the coating layer (40, 40 ') is laminated on the upper side and the lower side in contact with the shrink layer plastic film layer (10). The method of claim 7, wherein The embossed layer 50 further contacts the coating layer 40 'laminated on the upper side or the lower side of the printed layer 20 in contact with the coating layer 40 stacked above the shrink plastic film layer 10. Water-soluble adhesive plastic film label, characterized in that it is formed.

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