JP2018114661A - Manufacturing method of label base material and label - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a simple manufacturing method of a label base material having a metal foils being bonded to predetermined sites.SOLUTION: In the manufacturing method, a base material sheet 1 is prepared which has a long belt-like base film 11, a coat layer 12 laminated on the base film 11, and protrusions 13 bonded to the coat layer 12. A transfer sheet 3 is prepared which has a release film, a metal foil 32 peelably laminated on the release film, and an adhesive layer laminated on the metal foil 32, the adhesive layer being bondable to the protrusions 13 and unbondable to the coat layer 12. The long belt-like base material sheet 1 is transported in its length direction while the coat layer 12 and the protrusions 13 of the base material sheet 1 are set to face the adhesive layer of the transfer sheet 3; the base material sheet 1 is laminated on the transfer sheet 3, then the transfer sheet 3 is parted from the base material sheet 1, thereby producing a label base material having the metal foil 32 being bonded to predetermined sites.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a method for producing a label substrate processed into various labels.

Conventionally, various labels are attached to containers containing various contents such as beverages for decoration purposes.
Such a label is configured by processing a label base material on which various designs are printed into a desired shape.
A label using a label base material to which a metal foil is attached is also known.
In Patent Document 1, as a method for producing a label base material to which the metal foil is attached, a long base material sheet and a metal foil sheet are conveyed to a foil pressing position, and the base material sheet is heated by a heating member. It is disclosed that a predetermined pattern is transferred by pressing a metal foil sheet against the softened base sheet at the foil pressing position with a heated foil pressing plate while being softened.

However, as in Patent Document 1, in the method of pressing the metal foil sheet and transferring the metal foil at a predetermined position (foil pressing position) of the base sheet being conveyed in the longitudinal direction, the base sheet is positioned at a predetermined position. There is a possibility that the metal foil cannot be accurately transferred. Specifically, in the manufacturing method of Patent Document 1, both must be operated in synchronism so that the heated foil-pressing plate matches the predetermined position of the long belt-like substrate sheet conveyed in the longitudinal direction. Further, the base sheet conveyed in the longitudinal direction may be extended or shifted in the short direction, or the operation of the foil pressing plate may be shifted. Therefore, the foil pressing plate may be shifted from a predetermined position of the base sheet. Therefore, the deviation adjustment becomes complicated.
Moreover, in patent document 1, although the part which adhered the thin metal foil is planar, the label excellent in the decorating property which the part which adhered the metal foil swells in three dimensions is calculated | required. .

JP 2009-000955 A

The first object of the present invention is to easily manufacture a label substrate having a metal foil attached at a predetermined position.
A second object of the present invention is to easily manufacture a label base material in which a portion to which a metal foil is attached is three-dimensionally raised.
A third object of the present invention is to provide a label having a three-dimensionally raised portion to which a metal foil is attached and having excellent decorating properties.

  The method for producing a label base material of the present invention is a step of preparing a base material sheet having a long strip base film, a coat layer laminated on the base film, and a protrusion attached to the coat layer. A release film, a metal foil laminated on the release film so as to be peelable, and an adhesive layer laminated on the metal foil, which can be bonded to the protrusion and to the coat layer A transfer sheet having a non-adhesive adhesive layer, and the transfer sheet of the transfer sheet on the coating layer and the protrusions of the base sheet while transporting the long belt-like base sheet in the longitudinal direction. A process of superimposing the transfer sheet on the base material sheet while facing the adhesive layer; and a process of peeling the superposed transfer sheet from the base material sheet.

  In a preferred method for producing a label base material of the present invention, the protrusion is formed to a thickness of 40 μm or more.

According to another aspect of the invention, a label is provided.
The first label of the present invention has a base film, a coat layer laminated on the surface of the base film, and a foil portion protruding from the surface of the coat layer, and the foil portion is the coat. A protrusion attached to the surface of the layer, and a metal foil bonded to the surface of the protrusion via an adhesive layer, the foil having a portion whose thickness is greater than its minimum width. .
The second label of the present invention has a base film, a coat layer laminated on the surface of the base film, and a foil part protruding from the surface of the coat layer, and the foil part is the coat A protrusion attached to the surface of the layer, and a metal foil bonded to the surface of the protrusion via an adhesive layer, the foil having a portion having a non-uniform thickness.

According to the label substrate manufacturing method of the present invention, a label substrate having a metal foil attached at a predetermined position can be easily manufactured. According to the manufacturing method of the present invention, it is also possible to easily manufacture a label base material in which a portion to which a metal foil is attached is raised three-dimensionally.
Moreover, the label of this invention has the foil part which brings out sufficient three-dimensional effect, and is excellent in decorating property.

The side view of the base material sheet of 1st Embodiment. The top view of the base material sheet (The top view which looked at the base material sheet from the arrow II direction of FIG. 1). The expanded sectional view cut | disconnected by the III-III line of FIG. The expanded sectional view cut | disconnected by the IV-IV line of FIG. The reference schematic diagram which shows the manufacturing process of a base material sheet. The top view of the transfer sheet of 1st Embodiment. The expanded sectional view cut | disconnected by the VII-VII line of FIG. The expanded sectional view cut | disconnected by the VIII-VIII line of FIG. The reference schematic diagram which shows the manufacturing process of a transfer sheet. The reference schematic diagram which shows the manufacturing process of the label base material of 1st Embodiment. The expanded sectional view in the white arrow XI part of FIG. 10 (The expanded sectional view which cut | disconnected the state which accumulated the base material sheet and the transfer sheet in the longitudinal direction). FIG. 11 is an enlarged end view taken along white arrow XII in FIG. 10 (an enlarged end view obtained by cutting the transfer sheet from the base sheet in the longitudinal direction). The top view of the label base material of 1st Embodiment. The expanded sectional view cut | disconnected by the XIV-XIV line | wire of FIG. The reference schematic diagram which shows the manufacture process which performs from preparation of a base material sheet and a transfer sheet to manufacture of a label base material in series. The top view of the label continuous body of 1st Embodiment. The expanded sectional view cut | disconnected by the XVII-XVII line of FIG. The expanded sectional view which cut | disconnected the base material sheet of 2nd Embodiment in the longitudinal direction. The top view which shows the process in which a winding label is formed using the label base material of 2nd Embodiment. (A) is a front view which shows the process which mounts a winding label to a to-be-adhered body, (b) is a front view which shows the state after winding a winding label around the to-be-adhered body. The top view of the base material sheet of 3rd Embodiment. The expanded sectional view cut | disconnected by the XXII-XXII line | wire of FIG. The top view of the label base material of 3rd Embodiment. The expanded sectional view cut | disconnected by the XXIV-XXIV line | wire of FIG. The top view of the base material sheet of 4th Embodiment. The expanded sectional view cut | disconnected by the XXVI-XXVI line of FIG. The top view of the label base material of 4th Embodiment. The expanded sectional view cut | disconnected by the XXVIII-XXVIII line | wire of FIG.

Hereinafter, the present invention will be specifically described with reference to the drawings.
In the present specification, “plan view” refers to viewing from a direction perpendicular to the sheet surface, and “plan view shape” refers to a shape viewed from the above direction.
In addition, the numerical range represented by “to” means a numerical range including numerical values before and after “to” as a lower limit value and an upper limit value. When a plurality of lower limit values and a plurality of upper limit values are separately described, an arbitrary lower limit value and an arbitrary upper limit value can be selected and set to a range connected by “˜”.
It should be noted that the dimensions, scales and shapes of the layers, portions and members shown in each figure may differ from the actual ones.

[Method for Producing Label Base Material of First Embodiment]
The method for producing a label base material of the present invention includes a step of preparing a long strip-shaped base sheet, a step of preparing a transfer sheet, and the base while transporting the long strip-shaped base sheet in the longitudinal direction thereof. The method includes a step of superimposing the transfer sheet on the material sheet and a step of peeling the superposed transfer sheet from the base material sheet, and may include other steps as necessary.
As will be described later, individual labels can be produced by cutting out a long strip-shaped label base material. Therefore, it can be said that the label base material is conceptually a label precursor in which a plurality of labels are continuously connected.
In the production of the label substrate, each of the steps may be performed in series on one production line, or one or two or more steps selected from the steps are performed on one line and remain. The process may be performed on one or more other lines. Further, all of the steps may be performed by one practitioner, or one or more steps selected from the steps may be performed by one practitioner, and the remaining steps may be performed by another practitioner. The person may go.

<Preparation process of base sheet>
FIG. 1 is a side view of the base sheet 1, FIG. 2 is a plan view of the base sheet 1 viewed from the front side, and FIG. 3 is a cross-sectional view of the base sheet 1. 4 is an enlarged cross-sectional view, and FIG. 4 is an enlarged cross-sectional view of the base sheet 1 cut in the longitudinal direction.
In FIG.1 and FIG.2, it has shown in the state which pulled out the front-end | tip part of the longitudinal direction of the base material sheet 1 from the roll body 1A which wound up the base material sheet 1 in roll shape. But the base material sheet 1 is not necessarily limited to what was wound up in roll shape.

The base material sheet 1 is a main component of the label base material, and is formed in a long band shape in plan view.
In the present specification, the “long strip shape” refers to a substantially rectangular shape in plan view in which the length in the longitudinal direction is sufficiently longer than the short direction. As a long strip shape, for example, the length in the short direction is 1000 mm to 4000 mm, the length in the longitudinal direction is 5 m or more, and preferably the length in the longitudinal direction is 10 m or more. In addition, a transversal direction is a direction orthogonal to a longitudinal direction.
As shown in FIG.1 and FIG.2, the elongate strip-shaped base material sheet 1 is wound around the cylindrical core material in roll shape, for example, and it is set as the roll body 1A. The base sheet 1 made into the roll body 1A can be easily pulled out in the longitudinal direction.
The base sheet 1 may be wound with the front side facing inward, or may be wound with the back side facing inward.

As shown in FIGS. 3 and 4, the base sheet 1 is attached to the surface side of the coat layer 12, a long strip base film 11, a coat layer 12 laminated on the surface side of the base film 11, and the coat layer 12. And a printing layer 14 as necessary.
In the illustrated example, an adhesive layer 15 is further provided on the back surface of the base film 11, and a release film 2 is provided on the back surface of the adhesive layer. Hereinafter, in order to distinguish the adhesive layer of the transfer sheet and the adhesive layer of the base sheet in terms of terms, the adhesive layer of the transfer sheet is referred to as “transfer adhesive layer”, and the adhesive layer of the base sheet is referred to as “base material”. It is called “adhesive layer”. In order to distinguish the release film of the transfer sheet and the release film of the base sheet in terms of terms, the release film of the transfer sheet is referred to as “transfer release film”, and the release film of the base sheet is referred to as “base material”. It is called a release film.
In addition, the surface in each layer or part which comprises the base material sheet 1 points out the surface above the paper surface of FIG.3 and FIG.4, and a back surface refers to the surface on the opposite side (surface below paper surface).

The base film 11 may be a transparent or opaque film.
Here, in the present specification, “transparent” means that the display on the front surface side can be visually recognized from the back surface side through the film or a certain portion, and “opaque” means that it cannot be visually recognized from the back surface side.
The transparent base film 11 can be represented by, for example, total light transmittance. The total light transmittance of the transparent base film 11 is, for example, 80% or more, preferably 85% or more, and more preferably 90% or more. However, the total light transmittance of the base film 11 refers to a value measured by a measuring method based on JIS K7361.

Examples of the transparent base film 11 include a transparent synthetic resin film. Examples of the opaque base film 11 include an opaque synthetic resin film, paper, synthetic paper, nonwoven fabric, foamed resin sheet, and a laminate of these and a synthetic resin film. Examples include the body.
Preferably, a transparent synthetic resin film is used as the base film 11.

When the base film 11 is a synthetic resin film, the material is not particularly limited, and a conventionally known material can be used. Examples of the base film 11 include polyester resins such as polyethylene terephthalate, olefin resins such as polyethylene, polypropylene, and cyclic olefin, styrene resins such as styrene-butadiene copolymer, polyamide resins such as nylon, and vinyl chloride. And a resin film containing a thermoplastic resin such as an ethylene-based resin and an ethylene vinyl acetate copolymer as a main component.
The base film 11 may have a single layer structure or a laminated film in which two or more resin layers are laminated.
The thickness of the base film 11 is not specifically limited, For example, it is 20 micrometers-120 micrometers, Preferably, it is 30 micrometers-80 micrometers.

The base film 11 may be a film having heat shrinkability and / or self-stretchability, or may be a film having substantially no heat shrinkability and self-stretchability.
The heat shrinkage refers to the property of contracting in a predetermined direction when heat is applied, and the self-stretching property refers to the property of expanding when pulled and returning almost to the original shape when the tensile force is released. In addition, the film which has heat shrinkability may have self-stretchability.
In the present embodiment, a film having substantially no heat shrinkability and self-stretchability is used as the long strip-like base film 11.

A printing layer 14 is provided on the base film 11. The printing layer 14 may be provided on the surface of the base film 11 as illustrated, or may be provided on the back surface side of the base film 11 or on both the front surface and the back surface side (not shown). . The printing layer 14 is formed of a known printing ink. The printing ink is not particularly limited, and a colored ink in which a colorant such as a pigment is blended with a binder resin such as an acrylic resin or a urethane resin can be used. Note that when the printing layer 14 is formed by a toner printer, the printing layer 14 is formed of toner, and the toner is also included in the category of the printing ink.
The printed layer 14 may be a printed layer whose design is represented by itself, may be a printed layer representing a further design in cooperation with a foil portion to which a metal foil is attached, or may be a non-patterned one-color printed layer. Alternatively, a combination thereof may be used. Examples of the patternless one-color printing layer include a white printing layer and a black printing layer. Design refers to any information and / or pattern such as characters, pictures, symbols, etc. that can be visually identified.

The printing layer 14 may be provided in a solid shape in the longitudinal direction of the base film 11, or may be provided partially with a predetermined interval in the longitudinal direction of the base film 11.
The printing layer for displaying the design by itself or the foil layer in cooperation with the foil portion is repeatedly provided in the longitudinal direction of the base film 11. Since the label base material is like a label precursor in which individual labels are continuously connected as described above, printing layers to be designed for individual labels are also repeatedly provided on the base film 11. That is, the printing layer 14 is provided so that the printing layer formed in at least one range is included for each label finally manufactured. The printed layers 14 that are repeatedly provided in the longitudinal direction may have the same design, or some of the printed layers 14 may have different designs. The printing layer 14 formed by a plate printing method such as a gravure printing method is usually provided repeatedly in the longitudinal direction with the same design, and the printing layer 14 formed by a plateless printing method such as inkjet or toner is The same or different design is repeatedly provided in the longitudinal direction.
In the illustrated example, the printing layer 14 is repeatedly provided at predetermined intervals in the longitudinal direction.

Although the thickness of the printing layer 14 is not specifically limited, For example, they are 0.1 micrometer-5 micrometers, Preferably they are 0.2 micrometer-4 micrometers.
In the present specification, a certain layer is “solid” means that the material forming the layer extends in the plane direction to substantially form one continuous layer. However, since the layer formed by the plate printing method such as the gravure printing method is composed of a collection of materials adhering to dots, when viewed macroscopically, the material extends in the surface direction. Note that although there is one continuous layer, when viewed microscopically, there may be countless fine gaps in the plane. Thus, when viewed microscopically, even if there is a fine gap, if it forms one continuous layer macroscopically, it is included in the solid category.

A coat layer 12 is provided on the surface of the print layer 14. When the printing layer 14 is not provided or when the printing layer 14 is provided on the back side of the base film 11, the coat layer 12 is provided in direct contact with the surface of the base film 11.
The coat layer 12 is provided in a solid shape so as to cover the entire surface of the base film 11. Providing to cover the entire base film 11 means providing the coat layer 12 in such a state that the coat layer 12 can be seen but the base film 11 cannot be seen when viewed from the surface side of the base film 11.
In the illustrated example, the print layer 14 is laminated on the entire surface of the base film 11, and the coat layer extends over the entire surface of the print layer 14 and the entire surface portion of the base film 11 where the print layer 14 is not laminated. 12 are stacked in a solid shape. The coat layer 12 may be either transparent or opaque. However, in the case where the printed layer 14 having the above-described design is provided, the transparent coat layer 12 is provided in order to make the design visible from the surface side. .

The coat layer 12 is formed of a material that can be bonded to the base film 11 side and cannot be bonded to the adhesive layer 33 of the transfer sheet 3 described later.
The material that can be bonded to the base film 11 side means a material that can be directly bonded to the surface of the base film 11 when the coating layer 12 is provided so as to be in direct contact with the surface of the base film 11. When the coating layer 12 is provided so as to be in direct contact with the printing layer 14 provided on the surface of the film 11, it means a material that can adhere to the surface of the printing layer 14.
In this specification, “adhesive” means that the object adheres to the object with a sufficient adhesive strength. For example, the object adheres to the object with an adhesive strength of 5 N / 25 mm or more, preferably adhesive strength. Including the case of bonding at 8 N / 25 mm or more. Further, “non-adhesive” means that the object does not substantially adhere to the object. For example, even when the object does not adhere completely or slightly adheres to the object, the adhesion strength is 0. .5 N / 25 mm or less, preferably 0.3 N / 25 mm or less. In this specification, the adhesive strength (N / 25 mm) is determined in accordance with JIS Z 0237 in a peel test under the condition that a test piece having a width of 25 mm has a peel angle of 180 degrees, a peel speed of 300 mm / min, and a temperature of 23 ° C Measured.

The material for forming the coating layer 12 is not particularly limited, and is a thermoplastic resin such as a polyester resin, an ionizing radiation curable resin such as an ultraviolet curable resin, a thermosetting resin, a two-component curable resin, or an ionizing radiation curable type. Examples thereof include a resin containing a mixture of a resin and a thermosetting resin as a main component.
Here, in the present specification, the “main component” refers to the largest component (weight ratio) among the resins contained in the object.
An ionizing radiation curable resin is a mixture of prepolymers (including oligomers) and / or monomers having a polymerizable unsaturated bond or cationic polymerizable functional group in the molecule, and can be cured by ionizing radiation. A composition.

Examples of the ionizing radiation curable resin include epoxy acrylate, urethane acrylate, polyester acrylate, polyfunctional acrylate, polyether acrylate, silicone acrylate, polybutadiene acrylate, unsaturated polyester / styrene, polyene / thiol, polystyryl methacrylate, and the like. A copolymer or a mixture of two or more of these may be used.
Examples of thermosetting resins include epoxy resins, xylene resins, diallyl phthalate resins, urethane resins, vinyl ester resins, unsaturated polyesters, imide resins, melamine resins, maleic resins, acrylic resins, silicon resins, alkyd resins, Or the mixture of these 2 or more types is mentioned.
Examples of the two-component curable resin include two-component materials such as a polyol compound and an isocyanate compound, an epoxy compound and an amine compound, or an acrylic resin and a melamine resin.

  When the base film 11 is formed of a synthetic resin film containing a polyester resin, polyethylene, olefin resin, and / or polyamide resin, or the printing layer 14 contains an acrylic resin and / or a urethane resin. When formed with a binder resin, the coat layer 12 is preferably formed of a resin containing an acrylic resin as a main component because of its excellent adhesion to them.

  The thickness of the coat layer 12 is not particularly limited, but if it is too small, it is not meaningful to provide the coat layer 12, and is preferably 1 μm or more, and more preferably 2 μm or more. The upper limit of the thickness of the coat layer 12 is not particularly limited.

A protrusion 13 is provided on the surface of the coat layer 12. The protrusion 13 is attached in direct contact with the surface of the coat layer 12. As will be described later, the protrusion 13 is a portion where the metal foil 32 adheres to the surface.
The protrusions 13 are provided on a part of the surface of the coat layer 12. That is, in plan view, the surface of the coat layer 12 has a sea-island structure in which the surface of the coat layer 12 is the sea and the protrusions 13 are islands.

The planar view shape of the protrusion 13 is not particularly limited and can be arbitrarily set. The planar view shape of the protrusion 13 may be a shape representing the design itself, a shape representing the design in cooperation with the printing layer 14, or an arbitrary shape not particularly representing a specific design. In the illustrated example, for the sake of convenience, the protrusion 13 having a substantially donut shape in plan view is illustrated.
Since the label base material is like a label precursor in which individual labels are continuously connected as described above, the protrusions 13 are formed on the coat layer 12 so that each label includes at least one protrusion 13. It is repeatedly provided in the longitudinal direction on the surface. All of the protrusions 13 provided repeatedly in the longitudinal direction may have the same plan view shape, or some of the protrusions 13 may have different shapes. For example, when the protrusions 13 are formed by the plate printing method, the protrusions 13 having the same planar view shape are usually provided repeatedly in the longitudinal direction with a predetermined interval.

As shown in FIGS. 3 and 4, the protrusion 13 swells from the surface of the coat layer 12, and the cross-sectional shape thereof is a substantially semicircular shape, a substantially semielliptical shape, or a substantially rectangular shape. In the example of illustration, the protrusion 13 of the cross sectional view substantially semi-elliptical shape is shown. Here, the “substantially” shape means a shape allowed in the technical field to which the present invention belongs. The “substantially” substantially semicircular and elliptical shapes include, for example, a shape in which a part of the circumference is slightly inflated or depressed, and a shape in which a part of the circumference is slightly straight or oblique. The “substantially” of the substantially square shape includes, for example, a shape in which corners are chamfered, a shape in which a part of a side is slightly inflated or depressed, and a shape in which a side is slightly curved.
Further, the protrusion 13 is made of a material having relatively high rigidity so as not to be crushed or destroyed when a transfer sheet, which will be described later, is superimposed on the base sheet.

The thickness of the protrusion 13 is not particularly limited, but if it is too small, the three-dimensional effect of the foil part 6 may not be sufficiently produced. Therefore, the thickness is preferably 40 μm or more, more preferably 50 μm or more, and further preferably 60 μm or more. Since the three-dimensional foil portion 6 can be formed, the thickness of the protrusion 13 is preferably as large as possible. However, if the thickness is too large, the protrusion 13 is crushed when the metal foil 32 is transferred, and the metal foil 32 is adhered cleanly. There is a possibility that it cannot be made. From this viewpoint, the thickness of the protrusion 13 is preferably 200 μm or less, and more preferably 150 μm or less.
The thickness of the protrusion 13 refers to the length of the perpendicular from the surface of the coat layer 12 to the top of the protrusion 13.

The material for forming the protrusion 13 is not particularly limited as long as it is a material that can be adhered to the coat layer 12 and the transfer adhesive layer 33 of the transfer sheet 3, and a conventionally known resin can be used.
As described above, when the coat layer 12 is formed of a resin containing an acrylic resin as a main component, the protrusion 13 is formed of a resin containing an acrylic urethane resin as a main component because it adheres strongly thereto. It is preferable that

The substrate adhesive layer 15 is an adhesive layer used when a label processed from a label substrate is attached to an adherend.
In addition, in this specification, an adhesive bond layer means the layer formed from the adhesive agent or the adhesive.
The adhesive or pressure-sensitive adhesive forming the base adhesive layer 15 is not particularly limited, and conventionally known heat-sensitive adhesives, heat-sensitive pressure-sensitive adhesives, pressure-sensitive adhesives, pressure-sensitive pressure-sensitive adhesives and the like can be mentioned. A heat-sensitive adhesive or a heat-sensitive adhesive is a type of adhesive or pressure-sensitive adhesive that does not exhibit tackiness at room temperature, and that develops tackiness upon heating, and a pressure-sensitive adhesive or pressure-sensitive adhesive is at room temperature. A type of adhesive or pressure-sensitive adhesive that exhibits adhesiveness and can be directly adhered to an adherend.
The base adhesive layer 15 in the illustrated example is formed from a pressure sensitive adhesive.

  The base adhesive layer 15 is provided in a solid shape on the entire back surface of the base film 11. However, since the base adhesive layer 15 may be provided only on a part of the back surface of each finally produced label, the base adhesive layer 15 is not limited to the case where the base adhesive layer 15 is provided in a solid shape as described above. It may be provided partially. Further, the base adhesive layer 15 is provided in a solid shape on the entire back surface of the base film 11, and in order to conceal a part of the back surface of the base adhesive layer 15, A masking layer (not shown) may be provided in part. In the portion where the masking layer is not provided, the back surface of the base adhesive layer 15 is exposed, and the portion can be attached to the adherend.

The base material adhesive layer 15 is laminated on the surface of the base material release film 2 so as to be peelable.
The substrate release film 2 is a sheet generally called a separator or a release paper, and its surface is a release surface. The substrate release film 2 is generally formed from a synthetic resin film, paper, synthetic paper, or the like. The thickness of the substrate release film 2 is not particularly limited, and is, for example, 30 μm to 300 μm. A release agent layer made of a release agent containing a silicone resin is provided on the surface of the base release film 2, and the surface of the release agent layer becomes the release surface of the base release film 2.

The base release film 2 is usually the same length as the base film 11 (the same length in the short direction), and preferably has the same shape and size. However, the length in the short direction of the substrate release film 2 may be larger than that of the base film 11.
The back surface of the base adhesive layer 15 made of the pressure-sensitive adhesive is affixed to the surface of the base release film 2 so as to be peelable. That is, the back surface of the base material adhesive layer 15 is bonded to the surface of the base material release film 2 with a very weak adhesive strength that can be easily peeled off manually.
In addition, since the pressure sensitive adhesive has adhesiveness at room temperature, the substrate release film 2 is attached. However, the heat sensitive adhesive and the heat sensitive adhesive do not have adhesiveness at room temperature. When the adhesive layer 15 is formed of a heat-sensitive adhesive or a heat-sensitive adhesive, the substrate release film 2 may be omitted.

The said base material sheet 1 can be manufactured as follows, for example.
A long belt-like substrate laminate in which a long belt-like base film 11 is laminated on a surface of a long belt-like substrate release film 2 via a substrate adhesive layer 15 made of a pressure sensitive adhesive or the like. Make it. A commercial item may be used for this base material layered product.
In the case of producing a label substrate having the print layer 14, as shown in FIG. 5, printing ink is applied to the surface of the base film 11 in the middle of transporting the long belt-like substrate laminate 100 in the longitudinal direction. Is applied by a printing machine 91 by a known printing method to form the printing layer 14. Examples of the printing method include a gravure printing method, a flexographic printing method, a relief printing method, a plate printing method such as a relief printing method, and a plateless printing method such as a toner printing method and an ink jet printing method. A plate printing method such as a printing method is used.
In addition, when providing the printing layer 14 in the back surface of the base film 11, before producing the said base material laminated body 100, the printing layer 14 is formed in the back surface of the base film 11 with the printer 91 by various printing methods. .

Next, the coat layer 12 is formed on the entire surface of the base film 11.
When there is a portion where the surface of the base film 11 is exposed, a coating agent is applied over the entire surface and the surface of the printing layer 14 by a coating machine 92 using a known coating method. Thus, the coat layer 12 is formed.
The coating agent is a liquid agent containing a resin component, which is a material for forming the above-described coating layer 12. Examples of the coating agent include a solvent volatile liquid containing a resin component and a solvent, and a curable liquid containing a curable resin that cures under predetermined conditions. Examples of the resin contained in the solvent-type liquid include the thermoplastic resins described above. Examples of the resin contained in the curable liquid include the above-mentioned ionizing radiation curable resin, thermosetting resin, and two-component curable resin.
Commercially available products may be used as the coating agent, and examples thereof include trade names “AF Medium” and “CF Medium” (both are UV curable acrylic coating agents) manufactured by T & KTOKA Corporation.
Examples of the coating method for the coating agent include various printing methods; a general-purpose coater method using a bar coater, a comma coater, and the like. Preferably, a plate printing method such as a gravure printing method is used.

Furthermore, the base material sheet 1 is obtained by coating the adhesive on the surface of the coat layer 12 with a coating machine 93 by a known coating method to form the protrusions 13.
The adhesive is a liquid agent containing a resin component, which is a material for forming the above-described protrusion 13. Examples of the adhesive include a solvent volatile liquid containing a resin component and a solvent, and a curable liquid containing a curable resin that cures under predetermined conditions.
For example, a liquid agent containing an ultraviolet curable resin containing an acrylic urethane resin can be used as the adhesive.

Examples of the method for applying the adhesive include various printing methods and coater methods. The protrusion 13 may be formed by applying the adhesive once, or may be formed by repeatedly applying the adhesive twice or more. Since the protrusion 13 having a relatively large thickness can be formed even if the adhesive is applied once, it is preferable to form the protrusion 13 by applying the adhesive by a silk screen printing method. For example, when the protrusion 13 is formed by a rotary screen printing method, the viscosity of the adhesive is preferably 2000 Pa · s to 4000 Pa · s from the viewpoint of printability. The viscosity is a value measured at 23 ° C. using a B-type viscometer.
After forming the protrusions 13 on the laminate, as shown in FIG. 5, the base sheet 1 as shown in FIGS. 1 and 2 can be produced by winding in a roll shape.

<Preparation process of transfer sheet>
FIG. 6 is a plan view in which a part of the transfer sheet 3 is omitted, and FIGS. 7 and 8 are enlarged cross-sectional views of the transfer sheet 3 cut in the lateral direction and the longitudinal direction. The front surface of each layer constituting the transfer sheet 3 indicates the upper surface of the paper in FIGS. 7 and 8, and the rear surface indicates the opposite surface (the lower surface of the paper).

The transfer sheet 3 is a sheet used for attaching the metal foil 32 to the protrusion 13 of the base sheet 1. The transfer sheet 3 in the illustrated example is formed in a long band shape in plan view like the base sheet 1. The transfer sheet 3 preferably has the same length as that of the base sheet 1 (the length in the short direction is the same), and more preferably has the same shape and size. However, since the length in the short direction of the transfer sheet 3 only needs to have a length that overlaps at least the protrusion 13 in the short direction of the base sheet 1, the length in the short direction of the transfer sheet 3. May be smaller than the lateral length of the base sheet 1. Further, the transfer sheet 3 may be, for example, a sheet-like shape that is not a long band shape, but the metal foil 32 is continuously attached to the plurality of protrusions 13 of the base sheet 1 by a roll-to-roll method. Therefore, as shown in FIG. 1, it is preferably a long strip shape.
The long belt-shaped transfer sheet 3 may be wound in a roll shape or may not be wound in a roll shape.

As shown in FIGS. 7 and 8, the transfer sheet 3 has a long strip-shaped transfer release film 31, a metal foil 32 laminated on the back surface of the transfer release film 31, and a back surface of the metal foil 32. And a laminated transfer adhesive layer 33.
The transfer release film 31 is the same as the substrate release film 2 described above. Briefly, the transfer release film 31 has a release agent layer provided on the back surface of a synthetic resin film or the like, and the back surface of the release agent layer becomes the release surface of the transfer release film 31.
A metal foil 32 is detachably laminated on the back surface of the transfer release film 31. The metal foil 32 is provided in a solid shape on the entire back surface of the transfer release film 31. Since the back surface of the transfer release film 31 is a release surface, the surface of the metal foil 32 is bonded to the back surface of the transfer release film 31 with a very weak adhesive strength that can be easily peeled off manually. Yes. The very weak adhesive strength that can be easily peeled off by human power is, for example, more than 0.5 N / 25 mm and not more than 3 N / 25 mm.

The metal foil 32 is made of a relatively brittle film that can be divided by applying a little shearing force.
Examples of the metal forming the metal foil 32 include aluminum, nickel, and chromium. The metal foil 32 is usually made of a metal vapor deposition film, but may be formed by transferring a metal thin film formed on a separate sheet or a spread metal thin film to the back surface of the transfer release film 31.
The thickness of the metal foil 32 is not particularly limited. For example, in the case of the metal foil 32 made of a metal vapor deposition film, the thickness is, for example, 0.005 μm to 0.2 μm, preferably 0.015 μm to 0.15 μm. It is. In addition, in the case of the metal foil 32 formed by transferring a separate metal thin film, it may be larger than the thickness.

A transfer adhesive layer 33 is laminated on the back surface of the metal foil 32. The transfer adhesive layer 33 is provided in a solid shape on the entire back surface of the metal foil 32.
The transfer adhesive layer 33 is composed of a relatively brittle layer that can be divided by applying a little shearing force.
The transfer adhesive layer 33 is a material that can adhere to the protrusions 13 and the metal foil 32, and is formed from a material that cannot adhere to the surface of the coat layer 12.

The material for forming the transfer adhesive layer 33 is olefin resin; urethane resin; polyester resin; ethylene-vinyl acetate copolymer, ethylene- (meth) acrylate ester copolymer, ethylene-acrylic acid system. Copolymer, ethylene copolymer such as ethylene-methacrylic acid copolymer; styrene-butadiene-styrene block copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS), styrene-ethylene- Styrene resins such as butylene-styrene-block copolymer (SEBS) and styrene-ethylene-propylene-styrene block copolymer (SEPS); olefin elastomers such as ethylene-α olefins, ester elastomers, amide elastomers, etc. Thermoplastic elastomers; It includes resin containing as a component.
As described above, when the coat layer 12 is formed of a resin containing an acrylic resin as a main component and the protrusion 13 is formed of a resin containing an acrylic urethane resin as a main component, a transfer adhesive layer 33 is preferably formed of a resin containing a urethane-based resin as a main component.

Since the transfer adhesive layer 33 does not require a release film (since the release film can be omitted), the transfer adhesive layer 33 is preferably formed of a heat-sensitive adhesive or a heat-sensitive adhesive.
Further, the transfer adhesive layer 33 may be either transparent or opaque.
The thickness of the transfer adhesive layer 33 is not particularly limited, but is, for example, 1 μm to 30 μm. By forming the transfer adhesive layer 33 having a relatively large thickness, it is possible to form the foil portion 6 that is raised three-dimensionally.
A colored layer may be interposed between the transfer release film 31 and the metal foil 32 (not shown). Such a colored layer is detachably laminated on the back surface of the transfer release film 31 and is adhered to the metal foil 32 so as not to be peeled off. By providing such a colored layer, the metal foil 32 becomes a colored metal foil.

The transfer sheet 3 can be manufactured, for example, as follows.
A long strip-shaped transfer laminate in which the metal foil 32 is laminated on the surface of the long strip-shaped transfer release film 31 is produced. A commercially available product may be used for the transfer laminate 300.
As shown in FIG. 9, an adhesive or pressure-sensitive adhesive is applied to the back surface of the metal foil 32 by a coating machine 94 using a known coating method while the long strip-shaped transfer laminate 300 is being transported in the longitudinal direction. To form the transfer adhesive layer 33.
Examples of the adhesive or pressure-sensitive adhesive coating method include various printing methods and coater methods, and plate printing methods such as a gravure printing method are preferably used.
The adhesive or pressure-sensitive adhesive is a liquid agent containing a resin component, which is a material for forming the transfer adhesive layer 33 described above. As the adhesive or pressure-sensitive adhesive, a heat-sensitive adhesive, a heat-sensitive pressure-sensitive adhesive, a pressure-sensitive adhesive, a pressure-sensitive pressure-sensitive adhesive, or the like can be used.

As described above, it is preferable to form the transfer adhesive layer 33 using a heat-sensitive adhesive or a heat-sensitive adhesive, and since it can be applied by various printing methods, a part-coat type heat-sensitive adhesive or a part-coat type heat-sensitive adhesive is used. More preferably, the transfer adhesive layer 33 is formed using an adhesive.
The part coat type heat-sensitive adhesive or heat-sensitive adhesive is a solution in which a resin component, a tackifier, and various additives, which are materials for forming the transfer adhesive layer 33, are dissolved or dispersed in an organic solvent or the like. It can be applied by a printing method such as a gravure printing method. The transfer adhesive layer 33 can be formed by applying a part coat type heat sensitive adhesive or heat sensitive adhesive to the back surface of the metal foil 32 in a solid shape and drying, and the transfer adhesive layer 33 is adhesive at room temperature. The tackiness is produced by heating.
After the transfer adhesive layer 33 is formed on the back surface of the metal foil 32 of the transfer laminate 300, as shown in FIG. 9, the transfer sheet 3 as shown in FIGS. it can.
In addition, the thing of the structure similar to a transfer sheet is marketed, and the transfer sheet 3 may use a commercial item.

<Overlaying process of substrate sheet and transfer sheet>
As shown in FIG. 10, the base sheet 1 is transported in the longitudinal direction, and the back surface of the transfer sheet 3 is superimposed on the surface of the base sheet 1 and the metal foil 32 is attached to the protrusions 13 during the transport.
Specifically, the surface of the base sheet 1 is composed of the surface of the coat layer 12 and the surfaces of a plurality of protrusions 13 interspersed on the surface of the coat layer 12, and the back surface of the transfer sheet 3 is a transfer adhesive. It consists of the back surface of the layer 33.
The back surface of the transfer sheet 3 is superposed on the surface of the base sheet 1, and the transfer sheet 3 is pressed against the front side of the base sheet 1 through a heated pressing tool such as a roll 95. Then, the transfer adhesive layer 33 becomes sticky, and the back surface of the transfer adhesive layer 33 of the transfer sheet 3 is in close contact with the surface of the coat layer 12 and the protrusion 13 as shown in FIG.
Since the transfer adhesive layer 33 can be bonded to the protrusion 13 and cannot be bonded to the coat layer 12, the transfer adhesive layer 33 is placed on the surface of the protrusion 13 when superposed. While adhering, it only touches the surface of the coating layer 12 (substantially without adhesion).

  The roll 95 has a roll-shaped pressing portion that comes into contact with the sheet, and the roll-shaped pressing portion has flexibility that can press the transfer sheet 3 against the entire surface of the base sheet 1. The roll-shaped pressing portion is heated to such an extent that the heat-sensitive adhesive or the heat-sensitive adhesive can be activated and exhibit adhesiveness through a heating device provided in the roll 95 or a heating device independent of the roll 95. At least the roll-shaped pressing portion of the roll 95 is formed of a flexible resin material or rubber material such as silicone resin or urethane resin. Preferably, the peelability of the pressing portion with respect to the transfer sheet 3 can be improved by forming a release layer such as a fluororesin coating on the surface of the pressing portion. The hardness of the roll-shaped pressing part of the roll 95 is, for example, 30 to 60, and preferably 40 to 55. The hardness refers to a value measured with a type A durometer. When a non-thermosensitive adhesive or pressure-sensitive adhesive is used as the transfer adhesive layer 33, an unheated roll can be used as the roll 95.

<Transfer sheet peeling process>
Next, as shown in FIG. 10, the superimposed transfer sheet 3 is peeled off from the base material sheet 1.
The transfer adhesive layer 33 is not substantially bonded on the surface of the coat layer 12, and the adhesive strength between the surface of the metal foil 32 and the back surface of the transfer release film 31 is the back surface of the transfer adhesive layer 33. Since the adhesive strength between the surface of the coating layer 12 and the surface of the coating layer 12 is larger, the transfer adhesive layer 33 is applied to the coating layer in a region corresponding to the surface of the coating layer 12 when peeled off as shown in FIG. The transfer sheet 3 itself is recovered away from the surface 12. On the other hand, the transfer adhesive layer 33 strongly adheres to the surface of the protrusion 13, and the adhesive strength between the surface of the metal foil 32 and the back surface of the transfer release film 31 has a back surface and a protrusion of the transfer adhesive layer 33. 12, the adhesive strength between the metal foil 32 and the transfer adhesive layer 33 is relatively weak in the region corresponding to the surface of the protrusion 13, as shown in FIG. 12. The transfer adhesive layer 33 is transferred onto the surface of the protrusion 13 along with the metal foil 32 along the edge of the protrusion 32.
In this way, the label base material 5 with the metal foil 32 attached to the surface of the protrusion 13 can be obtained. The obtained label base material 5 is wound up in a roll shape as necessary.

As shown in FIGS. 13 and 14, the label base 5 has a foil portion 6 at a predetermined position of the base film 11.
In addition, in FIG. 13, it has shown in the state which pulled out the longitudinal direction front-end | tip part of the label base material 5 from the roll body which wound up the elongate strip-shaped label base material 5 in roll shape.
The label base material 5 of the first embodiment is composed of a base adhesive layer 15 / base film 11 / coat layer 12 / foil portion 6 in order from the back surface side to the front surface side, and at least one of the front and back surfaces of the base film 11 is included. A printing layer 14 is provided in the direction (in the illustrated example, it is composed of a base adhesive layer 15 / base film 11 / printing layer 14 / coat layer 12 / foil portion 6).

  The foil portions 6 are scattered in the form of islands on the surface of the coat layer 12 and rise from the surface of the coat layer 12. The foil part 6 includes, in order from the back surface side to the front surface side, the protrusion 13 / transferred adhesive layer 33 / transferred metal foil 32. Therefore, the foil part 6 is a part in which the metal foil 32 is attached to the surface of the protrusion 13, and the foil part 6 has a substantially trapezoidal shape in a sectional view. In addition, although the protrusion 13 in the stage of the base material sheet 1 was substantially semi-elliptical in sectional view, the protrusion 13 is formed by pressing the transfer sheet 3 on the base material sheet 1 in an overlapping process. As a result of the deformation, a foil part 6 having a substantially trapezoidal shape in cross section can be formed. The surface of the foil part 6 having a substantially trapezoidal shape in cross section (the surface of the metal foil 32 constituting the foil part 6) is continuous with the flat top surface 6a substantially parallel to the surface of the base film 11, and the top surface 6a. And a flat side surface 6b inclined at an obtuse angle with respect to the top surface 6a. Since the top surface 6a and the side surface 6b of the foil portion 6 are both flat, almost all of the light hitting the top surface 6a and almost all of the light hitting the side surface 6b are reflected in one direction. become. For this reason, the label excellent in the glossiness can be formed by using the label base material 5 of the present invention.

According to the manufacturing method of the label base material 5 of the present invention, the transfer sheet 3 having the transfer adhesive layer 33 that can be bonded to the protrusion 13 and cannot be bonded to the coat layer 12 is used. The metal foil 32 can be transferred only to the protrusion 13 attached to a predetermined position of the sheet 1 via the transfer adhesive layer 33, and a metal other than the protrusion 13 (area where the surface of the coat layer 12 is exposed) is metal. The foil 32 is not transferred.
For this reason, the label base material 5 with the metal foil 32 attached at a predetermined position can be easily manufactured. That is, according to the method of the present invention, the metal foil 32 can be reliably attached to the surface of the protrusion 13, and the foil portion 6 can be easily formed at a predetermined position.
In particular, the protrusion 13 can be easily formed without being displaced from a predetermined position of the base sheet 1 by applying a material for forming the protrusion 13 by a printing method. Moreover, the label base material 5 which has the raised foil part 6 can be obtained by forming the protrusion 13 with comparatively large thickness. By using this label substrate 5, a label having excellent decorating properties can be formed.

In the above description, the base material sheet 1 and the transfer sheet 3 are manufactured on separate production lines, and the label base material 5 is manufactured by superimposing both on a separate production line. The preparation from the production of the transfer sheet 3 to the production of the label base material 5 may be performed in one production line.
Even when the preparation from the base material sheet 1 and the transfer sheet 3 to the production of the label base material 5 is performed in one production line, the procedure is the same as described above. Briefly, as shown in FIG. 15, a roll-shaped substrate laminate 100 (the substrate laminate 100 is a substrate release film 2 / substrate adhesive layer 15 / base film 11 in order from the back side). The substrate sheet 1 is produced by forming the print layer 14 as necessary, forming the coat layer 12, and further forming the protrusions 13.
On the other hand, the roll-shaped transfer laminated body 300 (the transfer laminated body 300 is composed of the metal foil 32 / transfer release film 31 in order from the back surface side) is pulled out, and the transfer adhesive is applied to the back surface of the metal foil 32 during the conveyance. The transfer sheet 3 is produced by forming the layer 33.
In the middle of conveying the base material sheet 1 in the longitudinal direction, the back surface of the long belt-shaped transfer sheet 3 is superposed on the front surface, and the metal foil 32 is attached to the protrusion 13. Thereafter, the superimposed transfer sheet 3 is peeled off from the base sheet 1 to obtain the label base 5 and then wound into a roll.

<Use of label substrate>
Since the label base material 5 of 1st Embodiment is affixed on the base material release film 2 through the base material adhesive layer 15 so that peeling is possible, this label base material 5 is, for example, a tack label ( It can also be used after being processed into an adhesive label or a label seal.
For example, after forming a cutting line having a desired plan view shape only on the label base material 5 affixed on the base material release film 2, and forming the cutting line repeatedly in the longitudinal direction at predetermined intervals. By removing the region other than the region surrounded by the cutting line from the substrate release film 2, a predetermined interval is provided in the longitudinal direction of the long strip substrate release film 2 as shown in FIGS. 16 and 17. It is possible to obtain a continuous label body that is opened and the tack label 71 is detachably attached. In FIG. 16, a tuck label that is shown in a state in which a longitudinal end portion thereof is pulled out from a roll body obtained by winding a continuous strip of a long strip into a roll shape, and is cut out in a substantially rectangular shape in plan view from the label substrate 5. 71 is shown.
The individual tack labels 71 are peeled off from the continuous label body, and the tack labels 71 are attached to the adherend for use.
The adherend is not particularly limited, and is typically a beverage container such as a PET bottle, a seasoning container, a sanitary container such as a shampoo, a detergent container, a cosmetic container, a pharmaceutical container, or a paper packaging box. In addition, products such as toys and machine tools are listed.

[Method for Producing Label Base Material of Second Embodiment]
2nd Embodiment is related with the manufacturing method of the label base material which does not use a base material release film.
Hereinafter, the second embodiment will be described. In the description, the configuration and effects different from those of the first embodiment will be mainly described. For the same configuration and the like, terms or symbols are used as they are, and the configuration. The description of may be omitted.

<Preparation process of base sheet and transfer sheet>
FIG. 18 is an enlarged cross-sectional view of the base sheet 1 according to the second embodiment cut in the longitudinal direction. Since the plan view of the base sheet 1 of the second embodiment is the same as that of the first embodiment, a description thereof will be omitted.
As shown in FIG. 18, the base material sheet 1 of 2nd Embodiment is the same as that of 1st Embodiment except the point which does not have a base material adhesive bond layer and a base material release film.
As in the first embodiment, the base film 11 of the base sheet 1 of the second embodiment may be a film having heat shrinkability and / or self-stretchability, or substantially heat shrinkability and self-stretchability. It may be a film that does not have.

As will be described later, when the label substrate 5 of the second embodiment is used as a winding label, the base film 11 having heat shrinkability or the base film 11 having heat shrinkability and self-stretchability may be used. preferable.
The main heat shrink direction of the base film 11 is not particularly limited, and may be a longitudinal direction or a short direction. In the example of illustration, the elongate strip-shaped base film 11 whose longitudinal direction is the main heat shrink direction is used.
The heat shrinkage rate in the main heat shrink direction (longitudinal direction in the illustrated example) of the base film 11 is not particularly limited, but is preferably 30% or more, and more preferably 40% or more. The heat shrinkage rate in the short direction is preferably as large as possible. However, since there is a limit in itself, the heat shrinkage rate in the short direction is theoretically less than 100%, but usually 85% or less. It is. The base film 11 may be a film that undergoes a heat change (thermal shrinkage or thermal extension) in the lateral direction. In this case, the heat shrinkage rate in the short direction of the base film 11 is, for example, −3% to 15%. In addition, the minus of thermal contraction rate means thermal expansion.
However, the heat shrinkage ratio is the following formula for the length of the film before heating (original length) and the length of the film after immersion for 10 seconds in warm water at 90 ° C. (length after immersion). It is obtained by substituting for.
Thermal contraction rate (%) = [{(original length in the longitudinal direction or short direction) − (length after immersion in the longitudinal direction or short direction)} / (original in the longitudinal direction or short direction) Length)] × 100.

Moreover, the base material sheet 1 of 2nd Embodiment may be provided with the printing layer 14 in the surface side of the base film 11, the back surface side, or both the surface and back surface side similarly to 1st Embodiment. Alternatively, the printing layer 14 may not be provided.
In the example of illustration, the base material sheet 1 of 2nd Embodiment has the printing layer 14 provided in the back surface of the base film 11. FIG. In this case, the base film 11 is transparent.

In addition, although not particularly illustrated, in the base sheet 1 of the second embodiment, a base adhesive layer made of a heat-sensitive adhesive or a heat-sensitive adhesive is provided on the back side of the base film 11 in a solid shape or partially. Also good. Since the base adhesive layer made of a heat-sensitive adhesive or a heat-sensitive adhesive does not have tackiness at room temperature, it is not necessary to use a base release film even if it is provided.
The transfer sheet 3 is the same as that in the first embodiment.

<Overlaying and peeling process of substrate sheet and transfer sheet>
The superposition process of the base sheet 1 and the transfer sheet 3 and the peeling process of the transfer sheet 3 are the above except that the base sheet 1 of the second embodiment without the base release film 2 is used. This is the same as in the first embodiment.

Similarly to the first embodiment, in the second embodiment, when the transfer sheet 3 is peeled off, the transfer adhesive layer 33 is transferred to the surface of the protrusion 13 with the metal foil 32.
In this way, the label base material 5 with the metal foil 32 attached to the surface of the protrusion 13 can be obtained.
The obtained label base material 5 of the second embodiment is the same as that of the first embodiment except that the base material release film 2 is not provided.

<Use of label substrate>
The label base material 5 of 2nd Embodiment can be processed and used for a winding label, for example.
For example, the long strip-shaped label base material 5 is cut so that the length in the main heat shrink direction is slightly longer than the circumference of the adherend to obtain a wound label 72 (see FIG. 19). In the label base material 5 whose longitudinal direction is the main heat shrinkage direction, the long strip-shaped label base material 5 is cut along the short direction at the position indicated by the one-dot chain line in FIG. A label 72 is obtained.
As shown in FIG. 20A, the back surface of one side portion 72a of the winding label 72 (one side portion 72a is one side portion of two side portions facing each other in the main heat shrinking direction). After being attached to the adherend 8 using an adhesive or a pressure-sensitive adhesive, the wound label 72 is attached to the adherend 8 so that the main heat shrink direction of the wound label 72 is the circumferential direction of the adherend 8. The winding label 72 is attached by attaching the back surface of the other side part 72b (the other side part 72b is the side part opposite to the one side part 72a) to the surface of the one side part 72a. It is formed in a cylindrical shape around the body 8 (see FIG. 5B).
By heating as necessary, the wound label 72 is thermally shrunk in the main heat shrink direction, and a package in which the wound label 72 is in close contact with the outer shape of the adherend 8 is obtained.

[Method for Producing Label Base Material of Third Embodiment]
3rd Embodiment is related with the manufacturing method of the label base material which has a foil part which has a part with thickness larger than the minimum width | variety.
Hereinafter, the third embodiment will be described. In the description, the configuration and effects different from those of the first and second embodiments will be mainly described, and the term or reference will be used as it is for the same configuration and the like. The description of the configuration may be omitted.

<Preparation process of base sheet and transfer sheet>
In the said 1st and 2nd embodiment, although the base material sheet 1 in which the protrusion larger than the thickness was formed was used, in 3rd Embodiment, as shown in FIG.21 and FIG.22, as shown in FIG.21 and FIG.22, The point which uses the base material sheet 1 in which the protrusion which has a part thicker than the small width 13W was formed differs.
Specifically, the protrusion 13 has a thickness 13H larger than the minimum width 13W with respect to its shape. The minimum width 13W of the protrusion 13 refers to the lateral width of the shortest portion when the protrusion 13 is cut in the thickness direction from an arbitrary position in plan view. For example, as shown in the figure, when the shape of the projection 13 in plan view is an elongated linear shape, the lateral width of the section cut in the direction orthogonal to the linear extending direction is usually the minimum width. Become.

In the illustrated example, the cut portion along the line XXII-XXII in FIG. 21 is a portion having the minimum width 13W of the protrusion 13, and the thickness 13H of the protrusion 13 in this portion is larger than the lateral width (minimum width 13W) in that portion. (See FIG. 22).
The ratio between the minimum width 13W and the thickness 13H is not particularly limited. For example, the thickness 13H of the protrusion 13 can be about 1.1 to 5 times the minimum width 13W of the protrusion 13.
In the present embodiment, as described above, the protrusion 13 having a portion having a thickness 13H larger than the minimum width 13W is formed on the surface of the coat layer 12 in the same manner as in the first and second embodiments. A base sheet 1 and a transfer sheet 3 are prepared.

<Overlaying process of base sheet and transfer sheet and peeling process of transfer sheet>
In the same manner as in the first and second embodiments, the base sheet 1 of the third embodiment and the transfer sheet 3 are overlapped, and then the transfer sheet 3 is peeled off to show in FIG. 23 and FIG. Thus, the label base material 5 which has the foil part 6 is obtained.
The obtained label base material 5 is composed of a base material adhesive layer 15 / base film 11 / coat layer 12 / foil portion 6 in order from the back surface side to the front surface side, and is formed on at least one surface of the front and back surfaces of the base film 11. A print layer 14 is provided. In addition, as the label base material 5 of the third embodiment, the label base material 5 provided with the base material adhesive layer 15 is illustrated as in the first embodiment. The label base material which does not have a material adhesive layer may be sufficient.

  The label substrate 5 of the present embodiment has a foil portion 6 (projection 13 / transfer adhesive layer 33 / metal foil 32) having a portion having a thickness 6H larger than the minimum width 6W. The ratio between the minimum width 6W and the thickness 6H is not particularly limited. For example, the thickness 6H of the foil part 6 may be about 1.1 to 5 times the minimum width 6W of the foil part 6. Note that the minimum width 6W of the foil portion 6 is the horizontal width of the shortest portion when the foil portion 6 is cut in the thickness direction from an arbitrary position in plan view, similarly to the minimum width 13W of the protrusion 13. The thickness 6H of the foil part 6 refers to the perpendicular length from the surface of the coat layer 12 to the top part of the foil part 6.

According to the manufacturing method of the present invention, by using the base sheet 1 having the protrusion 13 having the thickness 13H larger than the minimum width 13W, the foil portion 6 having the portion having the thickness 6H larger than the minimum width 6W is placed at a predetermined position. Easy to form.
Similarly to the first and second embodiments, the label substrate 5 of the present embodiment is used after being processed into various labels (the labels are not shown).
Since the obtained label has the foil portion 6 having a portion having a thickness 6H larger than the minimum width 6W, the foil portion 6 is visually raised and easily visible, has a sufficient three-dimensional effect, and has a decorative property. Are better.

[Method for Producing Label Base Material of Fourth Embodiment]
4th Embodiment is related with the manufacturing method of the label base material which has a foil part which has a part with nonuniform thickness.
Hereinafter, the fourth embodiment will be described. In the description, the configurations and effects different from those of the first to third embodiments will be mainly described. For the same configurations, terms or symbols are used as they are. The description of the configuration may be omitted.

<Preparation process of base sheet and transfer sheet>
As shown in FIGS. 25 and 26, the fourth embodiment is different in that a base sheet 1 on which a protrusion having a non-uniform thickness is formed is used.
Specifically, the protrusion 13 has a non-uniform thickness with respect to its shape. The portion having a non-uniform thickness may exist over the entire protrusion 13, or may exist in a part of the protrusion 13. Examples of non-uniform thickness include a case where the thickness changes continuously, a case where the thickness changes step by step like a staircase, and the like. In FIG. 26, the protrusion 13 has shown the case where the thickness is changing continuously.
In the portion where the thickness of the protrusion 13 is not uniform, the maximum value of the thickness difference is not particularly limited, but is, for example, 10 μm to 150 μm, and preferably 30 μm to 120 μm.

<Overlaying process of base sheet and transfer sheet and peeling process of transfer sheet>
In the same manner as in the first to third embodiments, the base sheet 1 of the fourth embodiment and the transfer sheet 3 are overlapped, and then the transfer sheet 3 is peeled off to show in FIG. 27 and FIG. Thus, the label base material 5 which has the foil part 6 is obtained.
The obtained label base material 5 is composed of a base material adhesive layer 15 / base film 11 / coat layer 12 / foil portion 6 in order from the back surface side to the front surface side, and is formed on at least one surface of the front and back surfaces of the base film 11. A print layer 14 is provided. In addition, as the label base material 5 of the third embodiment, the label base material 5 provided with the base material adhesive layer 15 is illustrated as in the first embodiment. The label base material which does not have a material adhesive layer may be sufficient.

The label base material 5 of the present embodiment has a foil portion 6 (projection 13 / transfer adhesive layer 33 / metal foil 32) having a portion with a non-uniform thickness. In the portion where the thickness of the foil part 6 is not uniform, the maximum value of the thickness difference is not particularly limited, but is, for example, 10 μm to 150 μm, and preferably 30 μm to 120 μm.
According to the manufacturing method of the present invention, by using the base sheet 1 having the protrusion 13 having a thickness difference, the foil part 6 having a portion having a non-uniform thickness can be easily formed at a predetermined position.
Similarly to the first and second embodiments, the label substrate 5 of the present embodiment is used after being processed into various labels (the labels are not shown).
Since the obtained label has the foil part 6 with non-uniform thickness, it has a part where the foil part 6 can be seen three-dimensionally and a part which is difficult to see three-dimensionally, and is excellent in decorating properties.
In addition, by using the third embodiment and the fourth embodiment together, a label base material and a label having a foil portion (projection) having a portion having a thickness larger than a small width and a portion having a non-uniform thickness are obtained. You can also.

DESCRIPTION OF SYMBOLS 1 Base material sheet 11 Base film 12 Coat layer 13 Projection 3 Transfer sheet 31 Release film (release film of transfer sheet)
32 Metal foil 33 Adhesive layer (adhesive layer of transfer sheet)

Claims (4)

Preparing a base sheet having a long strip-shaped base film, a coat layer laminated on the base film, and a protrusion attached to the coat layer;
A release film, a metal foil laminated on the release film so as to be peelable, and an adhesive layer laminated on the metal foil, which can be bonded to the protrusions and to the coat layer A step of preparing a transfer sheet having an adhesive layer that cannot be bonded;
The transfer sheet is stacked on the base sheet while the adhesive sheet of the transfer sheet is opposed to the coat layer and the protrusion of the base sheet while the long base sheet is conveyed in the longitudinal direction. The process of combining,
A method for producing a label base material, comprising a step of peeling the superimposed transfer sheet from the base material sheet.   The manufacturing method of the label base material of Claim 1 which forms the said protrusion in 40 micrometers or more in thickness. A base film, a coat layer laminated on the surface of the base film, and a foil portion protruding from the surface of the coat layer,
The foil part has a protrusion attached to the surface of the coat layer, and a metal foil bonded to the surface of the protrusion through an adhesive layer,
The label in which the foil portion has a portion whose thickness is larger than its minimum width. A base film, a coat layer laminated on the surface of the base film, and a foil portion protruding from the surface of the coat layer,
The foil part has a protrusion attached to the surface of the coat layer, and a metal foil bonded to the surface of the protrusion through an adhesive layer,
The label which the said foil part has a part with nonuniform thickness.

Images