KR20150006122A - The flexible lenticular sheet and Method for manufacturing thereof and the label made using it - Google Patents

The flexible lenticular sheet and Method for manufacturing thereof and the label made using it Download PDF

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Publication number
KR20150006122A
KR20150006122A KR1020130079437A KR20130079437A KR20150006122A KR 20150006122 A KR20150006122 A KR 20150006122A KR 1020130079437 A KR1020130079437 A KR 1020130079437A KR 20130079437 A KR20130079437 A KR 20130079437A KR 20150006122 A KR20150006122 A KR 20150006122A
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South Korea
Prior art keywords
resin layer
synthetic resin
thickness
transparent
lenticular
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KR1020130079437A
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Korean (ko)
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전영준
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전영준
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Priority to KR1020130079437A priority Critical patent/KR20150006122A/en
Publication of KR20150006122A publication Critical patent/KR20150006122A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • G02B3/0068—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between arranged in a single integral body or plate, e.g. laminates or hybrid structures with other optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer

Abstract

More particularly, the present invention relates to a method for producing a flexible lenticular sheet having ductility, a lenticular sheet produced thereby, and a method for manufacturing the flexible lenticular sheet, Label. ≪ / RTI >
A method of manufacturing a flexible lenticular sheet according to the present invention includes the steps of (1) preparing a release paper and applying a synthetic resin to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and (2) Forming an ink coating layer having a thickness of 0.01 to 0.05 mm by applying an offset printable ink coating material containing urethane ink, an aerosol and a solvent, and (3) offset printing on the upper surface of the ink coating layer, (4) applying a transparent silicone resin to the upper surface of the transparent synthetic resin layer to form a silicon resin layer having a thickness of 0.1 to 0.2 mm, and forming a silicon resin layer (5) placing a lenticular lens mold on the upper surface of the transparent silicone rubber thus packed, and heating the laminated film in a temperature range of 185 to 195 캜 Heat-pressing and cured 4-5 minutes to form a lenticular lens; And (6) after the step (5), peeling the label on which the lenticular lens is formed from the release paper, applying a hot-melt adhesive to the peeled surface to cure, and attaching the release paper.
The lenticular label of the present invention is prepared by preparing a releasing paper, applying a synthetic resin to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and then forming an offset printing with a urethane ink, an aerosol and a solvent on the upper surface of the synthetic resin layer And a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm is formed on the upper surface of the ink coating layer to form a transparent synthetic resin layer, A transparent silicone resin is applied to the upper surface of the layer to form a 0.1 to 0.2 mm thick silicone resin layer, a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer, A lenticular lens mold frame is placed on the upper surface of the silicone rubber, and the lens is heated and pressed in a temperature range of 185 to 195 캜 and cured for 4 to 5 minutes to form a lenticular lens Complete the agent, and then peeling the sheet from the release paper, and then cured by applying the hot-melt adhesive to the peeling surface, and then attaching the release paper, is completed by cutting according to the shape of the design label.
A method of manufacturing a lenticular label of the present invention is characterized in that a release paper is prepared, a synthetic resin layer is applied to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and then a urethane ink, an aerosol and a solvent And a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm is formed on the upper surface of the ink coating layer. Then, a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm is formed, A transparent silicone resin is applied to the upper surface of the transparent synthetic resin layer to form a silicone resin layer having a thickness of 0.1 to 0.2 mm and a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer, The lenticular lens mold was placed on the upper surface of the transparent silicone rubber thus formed, and the lens was heated and pressed under a temperature range of 185 to 195 ° C., and cured for 4 to 5 minutes to form a lenticular lens And a step of applying the hot-melt adhesive to the peeled surface to harden the peeled surface, attaching the release paper, and cutting the sheet according to the shape of the designed label.

Description

TECHNICAL FIELD [0001] The present invention relates to a flexible lenticular sheet manufacturing method, a flexible lenticular sheet manufacturing method,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a lenticular sheet, a sheet and a label attached thereto, and more particularly, to a method for manufacturing a lenticular sheet having ductility, a lenticular sheet produced thereby, .

As the information technology is developed, the market of display devices, which is a connection medium between users and information, is getting larger. Accordingly, a flat panel display (FPD) such as a liquid crystal display (LCD), an organic light emitting diode (OLED), and a plasma display panel (PDP) Usage is increasing. Among them, liquid crystal display devices capable of realizing high resolution and capable of not only miniaturization but also enlargement are widely used.

Here, the liquid crystal display device is classified into a light receiving display device. Such a liquid crystal display device can display an image by receiving a light source from a backlight unit located under the liquid crystal panel.

The backlight unit may include a light source and an optical film layer or the like to provide efficient light to the liquid crystal panel. Here, the optical film layer may include a diffusion sheet, an optical sheet, a protective sheet, and the like.

A large number of sheet layers constituted of the optical film layer exhibit a high change in optical characteristics depending on conditions and structural conditions. Here, a change in the optical characteristics of the optical film layer affects the light efficiency of the backlight unit, and affects the display quality of the liquid crystal display device. Therefore, in order to improve the display quality of the liquid crystal display device, there is a need to continue research on the field related to the optical film layer.

Further, the conventional lenticular sheet has a disadvantage in that when it is pulled by a pulling force due to curing and rigidity of a certain hardness, the resilience to the circular shape is very weak due to lack of elasticity, and the bending strength is very weak, have.

1. Korean Patent Publication No. 10-1999-0037290 2. Korean Patent Publication No. 10-2001-0098653 3. Korean Patent Publication No. 10-2001-0072208

The present invention provides a flexible lenticular sheet. That is, it is intended to provide a lenticular sheet having ductility properties.

Another object of the present invention is to provide a method for producing a lenticular sheet which is capable of producing a lenticular sheet having ductility and a very excellent circular recovery rate.

It is another object of the present invention to provide a label produced by using a lenticular sheet having a ductility property and a very excellent circular recovery rate. That is, it is an object of the present invention to provide a label having excellent physical properties by manufacturing a lenticular sheet having elasticity and excellent circular restoring force so that the lenticular lenticular lens corrugation is worn away by external heat, so that the lenticular effect is not lost.

A manufacturing method of a flexible lenticular sheet of the present invention, which solves the above problems,

(1) preparing a release paper, and applying a synthetic resin to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm;

(2) applying an offset printable ink coating material containing urethane ink, an aerosol and a solvent to the upper surface of the synthetic resin layer to form an ink coating layer having a thickness of 0.01 to 0.05 mm and drying the ink coating layer;

(3) offset printing on the upper surface of the ink coating layer to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm;

(4) A transparent silicone resin is applied to the upper surface of the transparent synthetic resin layer to form a silicone resin layer having a thickness of 0.1 to 0.2 mm, and transparent silicone rubber having a film thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer step;

(5) placing a lenticular lens mold frame on the upper surface of the transparent silicon rubber, curing the lens material in a temperature range of 185 to 195 캜 for 4 to 5 minutes to form a lenticular lens; And

(6) After the step (5), the step of peeling the label on which the lenticular lens is formed from the release paper, applying a hot-melt adhesive to the peeled surface and curing, and then attaching the release paper.

The synthetic resin of step (1) is white urethane resin or urethane ink, and the ink coating of step (2) comprises 35 to 45 parts by weight of urethane ink, 15 to 25 parts by weight of aerosol and 55 to 65 parts by weight of solvent And the like.

Here, the transparent synthetic resin layer in the step (3) is characterized in that urethane ink is applied.

In the present invention, a releasing paper is prepared, a synthetic resin layer is applied to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and then offset printing is performed on the upper surface of the synthetic resin layer including urethane ink, An ink paint is applied to form an ink paint layer having a thickness of 0.01 to 0.05 mm and dried, and offset printing is performed on the ink paint layer to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm, To form a silicone resin layer having a thickness of 0.1 to 0.2 mm and a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicon resin layer, The lenticular lens frame is placed on the upper surface of the rubber, and the lens is heated and pressurized in a temperature range of 185 to 195 DEG C and cured for 4 to 5 minutes to form a lenticular lens, Sex, and after peeling the sheet from the release paper, and then cured by applying the hot-melt adhesive to the peeling surface, and then attaching the release paper, to provide the finished lenticular labels by cutting according to the shape of the design label.

In the present invention, a releasing paper is prepared, a synthetic resin layer is applied to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and then offset printing is performed on the upper surface of the synthetic resin layer including urethane ink, An ink paint is applied to form an ink paint layer having a thickness of 0.01 to 0.05 mm and dried, and offset printing is performed on the ink paint layer to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm, To form a silicone resin layer having a thickness of 0.1 to 0.2 mm and a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicon resin layer, The lenticular lens frame is placed on the upper surface of the rubber, and the lens is heated and pressurized in a temperature range of 185 to 195 DEG C and cured for 4 to 5 minutes to form a lenticular lens, A step of peeling the sheet from the releasing paper, applying a hot-melt adhesive to the peeled surface to harden it, attaching the releasing paper, and cutting the sheet according to the shape of the designed label. do.

The manufacturing method of the flexible lenticular sheet provided in the present invention has the effect of providing a lenticular sheet having ductility. That is, it is possible to produce a lenticular sheet having a ductility property and an excellent circular recovery rate.

Further, in the present invention, it is possible to provide a label produced by using a lenticular sheet having ductility properties and thus having a very excellent circular recovery rate. That is, it is possible to provide a label having excellent physical properties by manufacturing a lenticular sheet excellent in the ability to recover a circular shape because the lenticular lenticular lens cores are worn by external heat, and the lenticular effect is not lost.

Therefore, the sheet manufactured by the method of manufacturing a flexible lenticular sheet provided by the present invention and the label manufactured by the method of manufacturing the lenticular label are worn by the heat of the lenticular lens which is weak in heat when PVC or urethane material, which is conventionally used material, is used A problem that the lenticular effect is lost is solved and a lenticular lens is formed by using a silicon material to provide a label which has excellent stretchability and is excellent in circular recovery force so that the lenticular effect can be maintained for a long time under any environment.

In the case of PVC or urethane materials, there is a problem that the materials are stiffly stuck and peeled when adhered to the fabric. However, the label according to the present invention has the advantage of being stripped by heat or not deformed by applying a silicone material having excellent heat resistance and heat resistance I have.

1 is a block diagram showing an example of a manufacturing method of a flexible lenticular sheet according to the present invention.
2 is a cross-sectional view showing an example of a step of processing a sheet of the present invention.
3 is a cross-sectional view of a lenticular sheet according to an embodiment of the present invention.
4 to 6 are photographs showing an example of a lenticular label completed according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in more detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in more detail with reference to the accompanying drawings.

1 is a block diagram showing an example of a method for manufacturing a lenticular label according to the present invention, FIG. 2 is a sectional view showing an example of a step of processing the label paper of the present invention, FIG. 3 is a cross- And Figs. 4 to 6 are photographs showing an example of a lenticular label completed according to the present invention.

A method of manufacturing a flexible lenticular sheet of the present invention comprises the steps of: (1) preparing a release paper and applying a synthetic resin to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm;

(2) applying an offset printable ink coating material containing urethane ink, an aerosol and a solvent to the upper surface of the synthetic resin layer to form an ink coating layer having a thickness of 0.01 to 0.05 mm and drying the ink coating layer;

(3) offset printing on the upper surface of the ink coating layer to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm;

(4) A transparent silicone resin is applied to the upper surface of the transparent synthetic resin layer to form a silicone resin layer having a thickness of 0.1 to 0.2 mm, and transparent silicone rubber having a film thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer step;

(5) placing a lenticular lens mold frame on the upper surface of the transparent silicon rubber, curing the lens material in a temperature range of 185 to 195 캜 for 4 to 5 minutes to form a lenticular lens; And

(6) After the step (5), the step of peeling the label on which the lenticular lens is formed from the release paper, applying a hot-melt adhesive to the peeled surface and curing, and then attaching the release paper.

According to the present invention, the synthetic resin of the step (1) forms a synthetic resin layer by using white urethane resin or urethane ink.

According to the present invention, the ink coating material of the second step uses an ink coating material containing 35 to 45 parts by weight of urethane ink, 15 to 25 parts by weight of an aerosol and 55 to 65 parts by weight of a solvent. As the solvent to be used herein, conventionally used solvents may be used, but aldehydes, isopropanol, ethyl ether, methyl acetate, ethyl acetate, propyl acetate, butyl acetate, isobutyl acetate, pentyl acetate, isopentyl acetate, Any one selected from the group consisting of acetone, methyl ethyl ketone (MEK), methyl butyl ketone (MBK), methyl isobutyl ketone (MIBK), dimethylformamide (DMF), cyclohexanone, glycol ether, , And more preferably DMF or cyclohexanone is used. Here, it is preferable that the ink paint is formed by coating to a thickness of 0.01 to 0.05 mm, because if the thickness is less than 0.01 mm, there is a problem that offset printing is not performed well, If the thickness exceeds 0.05 mm, offset printing is performed well. However, there is a problem that the label becomes too rigid due to too thick and stiff at the completion of the final label, that is, it is difficult to produce a flexible label. In addition, there is a disadvantage that the thickness of the finally formed label becomes thick and the manufacturing cost increases.

According to the present invention, the transparent synthetic resin layer in the step (3) is formed by applying a urethane ink.

The method of manufacturing the lenticular sheet of the present invention described above will be described in more detail with reference to FIGS. 1 to 3,

First, the release paper 10 is prepared (S100), and a synthetic resin layer 20 is formed by applying white urethane resin or urethane ink as a synthetic resin to one side of the release paper 10 (S200).

At this time, the synthetic resin layer 20 is preferably formed to a thickness of 0.05 to 0.1 mm.

After the synthetic resin layer 20 is formed, an ink-repellent ink paint is evenly applied to form an ink paint layer, which is then passed through a drying device such as a heating roller or a hot air dryer to be dried to form an ink paint layer 30 S300). At this time, it is preferable that the ink paint layer 30 has a thickness of 0.01 to 0.05 mm, because if the thickness is less than 0.01 mm, there is a problem that offset printing is not performed well, There is a problem in that the offset printing is successful but becomes too rigid due to too thick and stiff at the completion of the final sheet, that is, the production of a ductile sheet becomes difficult. In addition, the manufacturing cost may increase.

The ink coating used in this case includes 35 to 45 parts by weight of urethane ink, 15 to 25 parts by weight of an aerosol and 55 to 65 parts by weight of a solvent. If the amount of the urethane ink used is out of the critical range, it is difficult to form a uniform ink layer. When the amount of the urethane ink is out of the critical range, if the amount of the ink layer is too small after the ink layer is formed The surface thereof is too smooth, so that the offset printing can not be smoothly performed due to the inadequate inking during offset printing, which may cause a problem of deterioration of the print quality. If the amount is too large, the elasticity and stretchability of the sheet become poor .

In addition, the solvent is used for uniform dispersion and mixing of the urethane ink and the aerosol. If the solvent is out of the critical range, the final ink coating may be too dilute or too sticky to uniformly apply the ink coating have. That is, when the ink is diluted, the urethane ink and the aerosol are dispersed and mixed well, but when it is too thin, the adhesion with the synthetic resin layer 20 when the ink paint is applied falls off, Smoothness may not be formed, and when it is too sticky, dispersion and mixing property of the ink coating material may be deteriorated, and uniform coating may be difficult.

Here, an example of the aerosol to be used is an ultrafine powder anhydrous silica such as Aerosil, a product of Aerosil Inc. of Japan.

The ink coating forming the ink coating layer has a roughened surface so that the desired pattern or printing layer can be clearly formed by offset printing.

After forming the ink coating layer 30, offset printing is performed by expressing various label patterns on the upper surface thereof to form an offset printing layer 40 (S400).

After the offset printing layer 40 is formed, a transparent synthetic resin layer 50 is formed on the upper surface thereof (S500). At this time, it is preferable to use urethane ink as the transparent synthetic resin to be used.

The transparent resin layer 50 is formed and then a silicone resin is applied to form a silicon resin layer 60 in step S600 and a silicon rubber 70 is formed on the silicon resin layer 60 in step S700. At this time, the silicone rubber is joined before the silicone resin layer is dried.

After forming the silicon rubber 70, a lenticular lens 80 having regularly formed lens troughs 86 in which a trough 82 and a mountain 84 are repeatedly formed is formed on the upper surface of the lenticular lens mold 80 72 are placed and heated and pressed at a temperature of 185 to 195 DEG C to form lens troughs 86 to form a lenticular lens 80 (S800). At this time, the lenticular lens 80 is formed by laminating the silicone resin layer 60 and the silicone rubber 70 together.

After the lenticular lens 80 is formed, the label paper 100 is peeled off from the releasing paper, and the hot melt adhesive layer 90 is formed by applying a hot melt adhesive evenly to the release face 92 and drying the same. After the hot-melt adhesive layer 90 is formed, the release paper is re-joined to complete the final label product.

3, the hot-melt adhesive layer 90, the synthetic resin layer 20 formed on one side thereof, and the upper surface of the synthetic resin layer 20 are formed by the manufacturing method according to the present invention, An offset printing layer 40 formed by offset printing on the ink coating layer 30 and a transparent synthetic resin layer 50 formed on an upper surface of the offset printing layer 40, A silicon resin layer 60 formed on the upper surface of the layer 50 and a silicon rubber 70 formed on the upper surface of the silicon resin layer 60 are formed and then a plurality of lens troughs 86 formed by heating and pressing are regularly formed It is possible to provide the lenticular sheet 200 constituted by bonding the release paper 94 to one side of the hot melt adhesive layer 90 to the other side of the lenticular lens 80 and the synthetic resin layer 20.

The lenticular sheet 200 having the above-described structure is obtained by forming a pattern according to the designed shape of the sheet 200 at the time of use, cutting it according to the pattern, and producing the finished product as a finished product, After the release paper 94 is peeled off, the product is placed on one side of the product to be attached and heated and pressed by a usual method.

Further, the present invention provides a lenticular label using the above-described method of manufacturing a flexible lenticular sheet.

The lenticular label is prepared by preparing a release paper, applying a synthetic resin to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and then forming an offset printable ink containing a urethane ink, an aerosol and a solvent on the upper surface of the synthetic resin layer And a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm is formed on the upper surface of the ink coating layer to form a transparent synthetic resin layer having a thickness of 0.01 to 0.05 mm. A transparent silicone resin is applied to the upper surface to form a silicone resin layer having a thickness of 0.1 to 0.2 mm, a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer, A lenticular lens mold frame is placed on the upper surface of the mold and heated and pressurized in a temperature range of 185 to 195 DEG C for 4 to 5 minutes to form a lenticular lens, After the release sheet is peeled from the releasing paper, a hot-melt adhesive is applied to the peeled surface and cured. After the release paper is attached, the sheet is cut according to the shape of the designed label.

At this time, each raw material used in each manufacturing process is the same as that of the lenticular sheet described above.

On the other hand, the shape of the label can be completed by printing the pattern of the label on the ink paint layer during the offset printing, or the print layer forms various background patterns on the offset printing, The label can be completed by printing so as to form the edge of the label. Such a label, for example, as shown in Figs. 4 to 6, can be provided.

At this time, it is preferable to perform digital printing on the lenticular lens. This is because, when a normal printing method such as sublimation transfer is used, the lenticular lens may be damaged by heat at a high temperature.

In the present invention, a releasing paper is prepared, a synthetic resin layer is applied to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm, and then offset printing is performed on the upper surface of the synthetic resin layer including urethane ink, An ink paint is applied to form an ink paint layer having a thickness of 0.01 to 0.05 mm and dried, and offset printing is performed on the ink paint layer to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm, To form a silicone resin layer having a thickness of 0.1 to 0.2 mm and a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicon resin layer, The lenticular lens frame is placed on the upper surface of the rubber, and the lens is heated and pressurized in a temperature range of 185 to 195 DEG C and cured for 4 to 5 minutes to form a lenticular lens, A step of peeling the sheet from the releasing paper, applying a hot-melt adhesive to the peeled surface to harden it, attaching the releasing paper, and cutting the sheet according to the shape of the designed label. do.

As described above, the flexible lenticular sheet manufacturing method according to the present invention and the sheet provided by the method of manufacturing the same and the label using the sheet can solve the problem that PVC or urethane is melted by heat when only PVC or urethane is used It is excellent in cold resistance and heat resistance by applying silicone to form lenticular bones. It has excellent ability to recover circularity due to excellent elasticity recovery ratio of silicone. Especially, labels provided are attached to labels on clothes, shoes, etc., The effect is semi permanent.

The drying conditions to be applied when forming each layer not described in the present invention described above may be a conventional drying device such as a heating roller and hot air drying within the range not hindering the present invention.

10: release paper 20: synthetic resin layer
30: ink paint layer 40: offset printing layer
50: transparent synthetic resin layer 60: silicone resin layer
70: silicone rubber 80: lens corrugated
90: hot melt adhesive layer 92: peeling surface
94: lenticular lens 100: sheet

Claims (5)

A method of manufacturing a lenticular sheet,
(1) preparing a release paper, and applying a synthetic resin to one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm;
(2) applying an offset printable ink coating material containing urethane ink, an aerosol and a solvent to the upper surface of the synthetic resin layer to form an ink coating layer having a thickness of 0.01 to 0.05 mm and drying the ink coating layer;
(3) offset printing on the upper surface of the ink coating layer to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm;
(4) A transparent silicone resin is applied to the upper surface of the transparent synthetic resin layer to form a silicone resin layer having a thickness of 0.1 to 0.2 mm, and transparent silicone rubber having a film thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer step;
(5) placing a lenticular lens mold frame on the upper surface of the transparent silicon rubber, curing the lens material in a temperature range of 185 to 195 캜 for 4 to 5 minutes to form a lenticular lens; And
(6) A method for manufacturing a flexible lenticular sheet, comprising the steps of: peeling the label having the lenticular lens formed thereon from the releasing paper after the step (5), applying a hot-melt adhesive agent to the peeled surface, .
The method according to claim 1,
The synthetic resin of step (1) is white urethane resin or urethane ink, and the ink coating of step (2) includes 35 to 45 parts by weight of urethane ink, 15 to 25 parts by weight of aerosol and 55 to 65 parts by weight of solvent Wherein the flexible lenticular sheet is made of a thermoplastic resin.
The method according to claim 1,
Wherein the transparent synthetic resin layer in the step (3) is coated with a urethane ink.
A releasing paper was prepared and a synthetic resin layer was applied on one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm and then an offset printable ink paint containing urethane ink, an aerosol and a solvent was applied to the upper surface of the synthetic resin layer An ink coating layer having a thickness of 0.01 to 0.05 mm is formed and dried to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm on the upper surface of the ink coating layer to form a transparent synthetic resin layer, A resin is applied to form a silicone resin layer having a thickness of 0.1 to 0.2 mm and a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer, The lens mold is placed on the sheet and heated and pressed under a temperature range of 185 to 195 DEG C to cure for 4 to 5 minutes to form a lenticular lens to complete the sheet, After peeled from the release paper, and then cured by applying the hot-melt adhesive to the peeling surface, and then attaching the release sheet, the lenticular labels, characterized in that the cutting is completed, depending on the shape of the design label.
A releasing paper was prepared and a synthetic resin layer was applied on one side of the release paper to form a synthetic resin layer having a thickness of 0.05 to 0.1 mm and then an offset printable ink paint containing urethane ink, an aerosol and a solvent was applied to the upper surface of the synthetic resin layer An ink coating layer having a thickness of 0.01 to 0.05 mm is formed and dried to form a transparent synthetic resin layer having a thickness of 0.1 to 0.2 mm on the upper surface of the ink coating layer to form a transparent synthetic resin layer, A resin is applied to form a silicone resin layer having a thickness of 0.1 to 0.2 mm and a transparent silicone rubber film having a thickness of 0.4 to 0.45 mm is formed on the upper surface of the silicone resin layer, The lens mold is placed on the sheet and heated and pressed under a temperature range of 185 to 195 DEG C to cure for 4 to 5 minutes to form a lenticular lens to complete the sheet, After peeled from the release paper, and then cured by applying the hot-melt adhesive to the peeling surface, and then attaching the release paper method of producing the lenticular labels, including the step of cutting according to the shape of the design label.
KR1020130079437A 2013-07-08 2013-07-08 The flexible lenticular sheet and Method for manufacturing thereof and the label made using it KR20150006122A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102121542B1 (en) * 2020-02-11 2020-06-10 안병학 Lenticular Sheet Product Having Separation Type Background Print Layer
KR102123191B1 (en) * 2019-12-24 2020-06-15 주식회사 원일에스에이치 Clothing with a lenticular structure
KR20210029935A (en) 2019-09-09 2021-03-17 안병학 Product Of Lenticular Transferring Printed Matter Heat-Adhered By Hot-Melt Resin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210029935A (en) 2019-09-09 2021-03-17 안병학 Product Of Lenticular Transferring Printed Matter Heat-Adhered By Hot-Melt Resin
KR102123191B1 (en) * 2019-12-24 2020-06-15 주식회사 원일에스에이치 Clothing with a lenticular structure
KR102121542B1 (en) * 2020-02-11 2020-06-10 안병학 Lenticular Sheet Product Having Separation Type Background Print Layer

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