WO2012128518A2 - 폴리에스테르계 증착필름 - Google Patents
폴리에스테르계 증착필름 Download PDFInfo
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- WO2012128518A2 WO2012128518A2 PCT/KR2012/001941 KR2012001941W WO2012128518A2 WO 2012128518 A2 WO2012128518 A2 WO 2012128518A2 KR 2012001941 W KR2012001941 W KR 2012001941W WO 2012128518 A2 WO2012128518 A2 WO 2012128518A2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
Definitions
- the present invention relates to a deposition film comprising a polyester-based film layer having heat shrinkage properties and to the use of the film as a label of a film material that can replace the label of the paper material attached to the glass bottle.
- PET bottles and glass bottles have been collected and used again.
- labels with printed product names, ingredient names and other emblems should be removed separately.
- Paper labels that have been used so far have been removed using industrial water. Specifically, the PET bottle or glass bottle collected is immersed in industrial water at about 80 ° C. containing caustic soda and the label is removed. As a result, environmental wastewater is generated in recycling empty bottles, and environmental regulations are in full swing.
- An example of a film that can be utilized as a label may include a polyvinyl chloride-based film, but this is not preferable because of environmental problems such as generating dioxin during incineration, and thus, a polyester-based heat-shrinkable film is made of a paper material. It is emerging as a means to replace the label.
- polyester-based heat-shrinkable film as a label may be a method of printing on a film like a sticker or a conventional paper label and pasting it using a water-soluble adhesive.
- an adhesive may be applied to the back layer of the label using a method such as gravure printing and then attached to the bottle.
- the printing effect is insufficient as a general label, and when the label is a film material, there is a shortage in the incidence of the advertising effect using the label.
- the present invention while maintaining the shrinkage can be implemented for a clear deposition color when applied for label use and can double the advertising effect, it provides a polyester-based deposition film having process ease in the online bonding process.
- a label including such a polyester-based deposition film is attached, which can double the advertising effect, and can also remove the label using only hot water when recycling, thereby preventing wastewater generation. We can do it and provide environmentally friendly bottle.
- the present invention provides a method for producing a bottle with a label that can be carried out in one process in the transfer of the label, the application of the adhesive and the adhesion to the bottle despite the application of the label of the film material.
- the heat-shrinkable polyester film substrate A metal deposition layer on the substrate; And a printing layer on the metal deposition layer, and provides a polyester-based deposition film having a stiffness of 1.5 g / mm 2 or more in the maximum shrinkage direction of the film.
- the heat-shrinkable polyester film substrate A metal deposition layer on the substrate; A print layer on the metal deposition layer; And a back layer on the other side of the substrate.
- the rear layer may be an uneven layer or a white pigment coating layer formed by physically or chemically treating the surface of the heat-shrinkable polyester film.
- a primer layer may be included between the metal deposition layer and the printing layer.
- polyester-based deposition film may include a protective layer on the printed layer.
- the protective layer is a copolyester, acrylic copolymer, styrene copolymer, methacrylate copolymer, polystyrene, vinyl acetate, polyamide, alkyl acrylate, urea Formaldehyde, epoxidized soybean oil, ethylene-vinyl acetate copolymer, tallow oleamide, polyethylene glycol distearate, polyvinylidene, polyolefin copolymer, urethane and vinyl resin It may be a resin layer consisting of a single or a mixture thereof selected from.
- Polyester-based deposition film according to a preferred embodiment of the present invention may have a rigidity in the maximum shrinkage direction of 1.5 to 13.0g / mm 2 .
- the heat-shrinkable polyester film substrate may have a thickness of 35 to 65 ⁇ m.
- the heat-shrinkable polyester film substrate may be a uniaxially oriented heat-shrinkable polyester film substrate or a bidirectional heat-shrinkable polyester film substrate.
- the metal deposition layer may have an optical density of 1.0 to 3.5.
- the heat-shrinkable polyester film base material may include a polyester-based resin containing a butylene terephthalate repeating unit.
- the heat-shrinkable polyester film base material is terephthalic acid, oxalic acid, malonic acid, succinic acid, adipic acid, suberic acid, azelaic acid, sebacic acid, phthalic acid, isophthalic acid, naphthalenedicarboxylic acid Dicarboxylic acid component containing one or more dicarboxylic acid, such as an acid and diphenyl ether dicarboxylic acid, and ethylene glycol, neopentyl glycol, propylene glycol, trimethylene glycol, tetramethylene glycol, hexamethylene glycol, di It may comprise at least one copolyester selected from copolyesters obtained from a diol component comprising at least one diol such as ethylene glycol, polyalkylene glycol, 1,4-cyclohexane dimethanol.
- the copolyester may include at least 80 mol% of terephthalic acid units in the dicarboxylic acid units, and 12 to 24 mol% of units other than ethylene glycol in the diol units.
- the polyester-based deposition film of the present invention may be 40 to 80% of the shrinkage in the maximum shrinkage direction when treated over 90 seconds in hot water at 90 °C.
- the shrinkage start temperature in the maximum shrinkage direction may be 68 to 94 ° C.
- the polyester-based deposition film of the present invention may have a maximum shrinkage expression temperature in the maximum shrinkage direction of 80 to 110 ° C., and a maximum shrinkage stress of 0.60 to 1.80 kg / mm 2.
- Polyester-based deposition film of the present invention may have a total light transmittance of 0.01 to 5%.
- the heat-shrinkable polyester film base material may be a haze of 0.3 to 10%.
- Polyester-based deposition film according to an embodiment of the present invention may have a bending characteristic value defined in the detailed description is 5mm or less.
- Such a bottle may be removed from the polyester-based deposition film by immersion in hot water.
- a process of applying an adhesive to a surface of the polyester-based deposition film described in the embodiments facing the printing layer provides a method for producing a label-labeled bottle comprising the step of attaching the surface facing the printing layer of the polyester-based deposition film, the adhesive is applied to the bottle.
- Polyester-based deposition film can double the advertising effect as it can implement a vivid deposition color, while maintaining shrinkage, the process of adhesion to the bottle by maintaining the roughness of the degree of paper labels Ease of use, when applying it as a substitute for the existing paper label transfer of the label, the application of the adhesive and the adhesion to the bottle can be performed on one process line can be applied to the existing paper label line as it is
- the bottle obtained has a heat-shrinkable polyester label, which is beautiful in printing appearance and excellent in concealability.
- the bottle can be removed by using only hot water when recycled, thereby preventing wastewater generation. .
- Example 1 is a graph illustrating a change in the shrinkage stress value in the maximum shrinkage direction according to a temperature change of a polyester-based deposited film obtained according to Example 1 using a thermal stress meter.
- Polyester-based deposition film is a heat-shrinkable polyester film base material; A metal deposition layer on the substrate; And a printing layer on the metal deposition layer, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A print layer on the metal deposition layer; And a back layer on the other side of the substrate, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A primer layer on the metal deposition layer; And a printing layer on the primer layer, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A primer layer on the metal deposition layer; A print layer on the primer layer; And a back layer on the other side of the substrate, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A print layer on the metal deposition layer; And a protective layer on the printed layer, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A print layer on the metal deposition layer; A protective layer on the printed layer; And a back layer on the other side of the substrate, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A primer layer on the metal deposition layer; A print layer on the primer layer; And a protective layer on the printed layer, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the polyester-based deposition film according to another aspect of the present invention is a heat-shrinkable polyester film substrate; A metal deposition layer on the substrate; A primer layer on the metal deposition layer; A print layer on the primer layer; A protective layer on the printed layer; And a back layer on the other side of the substrate, wherein the stiffness in the maximum shrinkage direction of the film is 1.5 g / mm 2 or more.
- the term “heat-shrinkable polyester film base material” means that the main matrix constituting the film is a polyester-based resin, maximal uniaxial or biaxial orientation through low temperature uniaxial or biaxial stretching, and a solution of residual stress through heat treatment. It will be understood as a film base material manufactured on the principle that the molecular chains oriented by exclusion retain the residual stress as it is and then shrink under the force of the residual stress in the final shrinkage process.
- the heat-shrinkable polyester film base material is not particularly limited in its composition, and examples thereof include terephthalic acid, oxalic acid, malonic acid, succinic acid, adipic acid, suveric acid, azelaic acid, sebacic acid, phthalic acid, isophthalic acid,
- a dicarboxylic acid component containing at least one known dicarboxylic acid such as naphthalenedicarboxylic acid, diphenyl ether dicarboxylic acid, and the like, ethylene glycol, neopentyl glycol, propylene glycol, trimethylene glycol, tetramethylene
- copoly selected from copolyesters obtained from diol components comprising one or more known diols such as glycols, hexamethylene glycols, diethylene glycols, polyalkylene glycols, 1,4-cyclohexane dimethanol and the like ester; Or obtained from a mixture of homopolyester and copoly
- Copolyester itself can be manufactured by the manufacturing method of polyester generally performed.
- the direct esterification method which reacts diol directly with dicarboxylic acid the transesterification method which makes diol act on the dimethyl ester of dicarboxylic acid, etc. are mentioned.
- the copolyester may be a copolyester in which terephthalic acid units constitute 80 mol% or more of the dicarboxylic acid units and units other than ethylene glycol in the diol units constitute 12 to 24 mol% or more.
- Units other than ethylene glycol units in the copolyester have a function of increasing the shrinkage rate by lowering the crystallinity of the polyester polymer, and the ratio of the units within the above ranges controls drying process, film processability, It may be advantageous in terms of controlling melting characteristics and physical properties.
- the said copolyester itself can be manufactured by the manufacturing method of polyester generally performed.
- the direct esterification method which reacts diol directly with dicarboxylic acid the transesterification method which reacts the dimethyl ester diol of dicarboxylic acid, etc. are mentioned.
- the melting point of the copolyester (Melting Point; °C) is 190 ⁇ 220 °C, the intrinsic viscosity is 0.60 ⁇ 0.75 dl / g.
- the melting point (° C.) may be adjusted according to the composition of the monomer used to prepare the polymer, and the intrinsic viscosity may vary depending on the degree of polymerization. In the present invention, the melting point (° C.) is controlled through such adjustment. Copolyesters with intrinsic viscosity and in the above range can be used.
- polytriethylene terephthalate may be used instead of or in combination with polybutylene terephthalate as a homopolyester.
- lubricants such as silicon dioxide, titanium dioxide, silica powder, and calcium carbonate may be added in order to improve slipperiness, and if necessary, antistatic agents, anti-aging agents, ultraviolet rays, and the like.
- additives such as an inhibitor and a pigment, can also be added.
- the heat-shrinkable polyester film base material is required to be made of a film roll by running a long film at high speed or winding at a high speed in view of improving productivity in a film forming process or a post-processing process. It may include an in-line coating layer.
- 'inline coating layer' will be understood by those skilled in the art as a layer formed by a coating process in any one process of extruding a polyester resin to form a film.
- the static electricity generated by the friction is alleviated, thereby eliminating the phenomenon that the films stick to each other during the process of winding the film roll. It can be advantageous in that it can help to easily escape the introduced air in the intake process.
- feeding defects can be controlled by preventing printing defects caused by static electricity generated by the friction of the printing roll and the film during the printing process, and removing the sticking of the film by the static electricity during the post-processing process. .
- the type of antistatic agent is not particularly limited, but examples thereof include quaternary ammonium compounds, alkyl sulfonate compounds classified as RSO 3 Na, alkyl sulfate compounds classified as ROSO 3 Na, alkyl phosphate compounds and the like.
- the content is 0.1 to 1.5% by weight based on the active ingredient in the crude liquid for forming the inline coating layer may be preferable in terms of excellent processability and antistatic performance by minimizing the amount of foreign matter generated by the friction during the printing process.
- the in-line coating layer may include a binder resin in consideration of the binding force and the adhesive force, wherein the binder resin is not particularly limited.
- binder resin As an example of the binder resin which can be considered, a polyester type, an acryl- polyester copolymer, a co-polyester type, etc. are mentioned.
- the heat-shrinkable polyester film base material may preferably have a haze of 0.3 to 10% in terms of realizing a bright deposition color when forming a metal deposition layer.
- the thickness of the heat-shrinkable polyester film base material is 35 to 65 ⁇ m, preferably 40 to 60 ⁇ m, and the feeding stability of the label and the label for the bottle when the deposition and printing is completed are attached to the bottle. It may be advantageous in terms of uniformity of adhesion.
- in one embodiment of the present invention includes not only uniaxially oriented heat shrink film but also bidirectional shrink film, and is not particularly limited. In the aspect it may be more advantageous to be a bidirectional shrink film.
- the polyester-based deposition film of the present invention includes a metal deposition layer on the heat-shrinkable polyester film base material described above.
- metal deposition layer examples include Al, Zn, Mg, Sn, Ti, In, Cr, Ni, Cu, Pb, Fe, and the like, and preferably Al, Zn, Mg, in particular Al may be most preferred in terms of productivity.
- the film thickness of the metal deposition layer is 20 to 90nm, preferably 40 to 70nm may be advantageous in terms of deposition process stability and shielding effect implementation.
- the optical density of 1.0 to 3.5 may be advantageous in terms of maintaining rigidity and implementing deposition process stability and shielding effect.
- the method for forming the metal deposition layer is not particularly limited, but physical vapor deposition such as vacuum deposition, sputtering, ion plating, or chemical vapor deposition such as CVD can be used.
- Polyester-based deposition film according to an embodiment of the present invention includes a printed layer on the metal deposition layer.
- the printing layer is printed with letters or figures to print out the contents of the container, advertisements and warning texts to promote the product.
- a method of forming a printed layer a well-known method can be used, for example, gravure printing, flexographic printing, screen printing, etc. are mentioned.
- the thickness of the printed layer may be preferably 0.5 to 10 ⁇ m in view of sufficient printing layer and preventing the printed layer from breaking.
- a primer layer may be further included between the metal deposition layer and the printing layer.
- the primer layer can increase the adhesion strength between the metal deposition layer and the printing layer, which not only gives scratch resistance to the printing layer, but also prevents contamination due to peeling of the printing layer in the bottle washing process to remove the label from the bottle. can do.
- Such primer layer may be appropriately selected in consideration of the printing layer, but is not limited thereto.
- corona treatment, flame treatment, plasma treatment, glow discharge treatment, roughening treatment, etc. may be performed on the surface of the heat-shrinkable polyester film substrate before forming the metal deposition layer in order to obtain adhesion strength.
- a protective layer may be further included on the printed layer, which may be not only for protecting the printed layer but also for imparting weather resistance or durability of the metal deposition layer.
- the protective layer is not particularly limited in its composition, and for example, the protective layer may be a copolyester, an acrylic copolymer, a styrene copolymer, a methacrylate copolymer, polystyrene, vinyl acetate, polyamide, alkyl acrylate, or ureaform.
- Resin layer consisting of aldehyde, epoxidized soybean oil, ethylene-vinyl acetate copolymer, tallow oleamide, polyethylene glycol distearate, polyvinylidene, polyolefin copolymer, urethane and vinyl resin alone or mixtures thereof Can be.
- the protective layer may have a thickness of 0.1 to 5.0 ⁇ m, preferably 0.3 to 1.0 ⁇ m, in terms of coating stability and drying process stability of the protective layer.
- This may include a back layer on the other side of the heat-shrinkable polyester film substrate.
- the back layer may be an uneven layer formed by physically or chemically treating the surface of the heat-shrinkable polyester film substrate, or may be a white pigment coating layer.
- the uneven layer In the case of forming the uneven layer by physically or chemically treating the surface of the heat-shrinkable polyester film substrate, when the adhesive is applied to the deposited film, the deposited film is adhered to the bottle and dried, the drying efficiency is increased due to the air layer formed on the uneven layer. It can improve and shorten the drying time.
- the back layer may be a separate coating layer instead of the uneven layer, and specifically, may be a white pigment coating layer.
- the white pigment coating layer When the white pigment coating layer is formed, the concealability of the deposited film may be improved, and the fine concavo-convex effect may be obtained by the roughness of the surface, thereby improving the drying efficiency of the adhesive applied to the film, and reducing the drying time.
- an adhesive is applied by a method such as gravure printing while transferring a label of a predetermined standard on which a printing layer is formed, and the adhesion to the bottle is continuously performed. (This is called an "online bonding process.")
- the label of the paper material even after the printing layer is formed, the flatness of the titration is maintained.
- the coating solution is formed by forming a white pigment coating layer on one surface of the substrate. This may intensify the curling of the film. Therefore, there may be a difficulty in applying a label of a film material in a bottle maker or a liquor manufacturer that has been applying a conventional paper label.
- the back layer is a coating layer containing a solvent such as a white pigment coating layer, it may be desirable that the bending property value as defined below 5 mm or less.
- the film For the finished heat-shrink polyester deposited film, place it on a flat glass plate, cut it on the deposited film and cut the film 20 cm in the horizontal direction without damage using a knife to form a first incision. Using the ruler as a reference to the center point of the improvement, the film is cut by 20 cm in the vertical direction (the direction perpendicular to the first incision line) without using a knife to form a second incision line, so as to form a second incision line.
- Four incisions each having a length of 10 cm in the horizontal and vertical directions were formed based on the intersection points.
- the incision state For the deposited film having four incision lines developed in the horizontal and vertical directions, the incision state is checked by lifting the deposited film in the vertical direction to confirm that the incision is completed.
- the adhesion process may be facilitated when the deposition film according to one embodiment of the present invention is applied as a label.
- the white pigment coating layer includes at least one resin selected from resins such as acrylic, polyurethane, ethylene-vinylacetate copolymer, and vinyl, and includes a solvent, a white pigment, a precipitation inhibitor, a thickener, and color separation. It may be preferable to form from the composition containing additives, such as an inhibitor and a pigment dispersant, in terms of being able to easily control the warpage phenomenon of the heat-shrinkable polyester film substrate.
- the solvent for preparing the crude liquid is not particularly limited, but considering at least one solvent used for forming the printed layer, at least one selected from an aromatic hydrocarbon solvent, a ketone solvent, an acetate solvent, a chlorine solvent and an alcohol solvent is selected. Can be used.
- the white pigment coating layer may be advantageous in terms of coating stability, drying process stability of the back layer and preventing label warpage by solvent having a thickness of 0.1 to 5 ⁇ m, preferably 0.4 to 2 ⁇ m.
- the stiffness of the film in the maximum shrinkage direction is 1.5 g / mm 2 or more, preferably 1.5 g / mm 2 to 13.0 g / mm 2.
- the stiffness of the film in the above and below description may be a value defined as follows.
- the finished heat-shrink polyester deposited film was cut into a rectangle of 300mm x 15mm in the maximum shrinkage direction and at right angles to it, and the measurement was started using a stiffness tester (Toyo Seiki). The maximum value was determined, and the bending stiffness was obtained by dividing the thickness and width of the measurement film, which is called “stiffness”.
- the existing paper labeling process may be adopted as it is or similarly, but only the label is not a paper label but a deposition film label. It is desirable to be able to apply to replace the bar, in the case of the deposition film is cut in the form of a label may not exhibit the same degree of firmness as paper. This may cause disadvantages in the adhesive process of attaching the label to the bottle, which may reduce productivity.
- the polyester-based deposition film according to one embodiment of the present invention may maintain the same hardness as the paper label only when the rigidity defined as described above is at least 1.5 g / mm 2 or more.
- the rigidity is increased, the form restoring force of the printing label increases, so when the printing label is attached to the bottle, the printing label may peel off from the bottle before the adhesive is dried, which may be disadvantageous in that the adhesive stability is inferior. It may be desirable to have a value of 13.0 g / mm 2 or less.
- a method of controlling the thickness of the base film of the polyester-based deposition film or controlling the thickness of the metal deposition layer may be considered.
- Polyester-based deposition film according to an embodiment of the present invention that satisfies the above configuration is that the shrinkage in the maximum shrinkage direction is 40 to 80% when treated over 90 seconds in hot water at 90 °C.
- Such a hydrothermal shrinkage range is advantageous in terms of being able to easily peel off in the process of peeling off the label using hot water at the time of recovering empty bottles after attaching the heat-shrinkable film to the bottle or the like using an adhesive.
- the shrinkage ratio in the maximum shrinkage direction is less than 40%, the time required for shrinkage becomes long, and when the label is applied, the label is removed for reuse of the bottle. Not only does the peeling efficiency drop but also the energy cost is high.
- the shrinkage rate in the maximum shrinkage direction exceeds 80%, the film is curled due to the excessively high shrinkage rate. Labels are difficult to enter and exit from the bottle, which can cause problems in the separation removal process.
- the polyester-based deposition film of the present invention can be easily removed within a short time in the removal of the label for reuse of the bottle when the shrinkage start temperature of the maximum shrinkage direction is 68 to 94 °C in the label application.
- the shrinkage start temperature may be defined as follows.
- Shrink initiation temperature After fixing the film under normal temperature and constant initial load, the stress when shrinking the film while applying heat at a constant heating rate is measured. Initial temperature at which stress is indicated.
- thermo stress tester Thermal Stress Tester
- the film is fixed at a predetermined load, and then the heat is changed at a constant heating rate, and the change of stress due to the shrinkage according to the temperature change is applied.
- FIG. 1 An example of a measurement graph by such a method is illustrated in FIG. 1.
- the initial time point on the graph is an initially set load value Ls.
- the film is tightened and shrinks when a certain temperature is reached.
- the shrinkage stress value of the same value as the initial load (Ls) is observed, this time is defined as the shrinkage start temperature (Ts).
- the shrinkage start temperature in the maximum shrinkage direction is 68 to 94 ° C. If the shrinkage start temperature is lower than 68 °C, during the summer distribution and storage of the finished product, the label is partly detached from the bottle may drop the aesthetics of the finished product, if the shrinkage start temperature is higher than 94 °C remove the label by hot water Since the process requires a long time of high temperature, a process cost may be high.
- the polyester-based deposition film according to the present invention is observed in the maximum shrinkage expression temperature in the maximum shrinkage direction of 80 to 110 °C range, where the maximum shrinkage expression temperature can be defined as follows; The first temperature that shows the maximum shrinkage stress value when the film is fixed at room temperature and constant initial load, and then the stress when shrinking the film while applying heat at a constant heating rate is plotted against the shrinkage stress with temperature.
- the shrinkage stress value at this time is defined as the maximum shrinkage stress, and the value may be 0.60 to 1.80kg / mm 2.
- the polyester-based deposited film of the present invention advantageously has a low maximum shrinkage stress expression temperature in the maximum shrinkage direction of 80 to 110 °C, the maximum shrinkage stress in terms of peeling force of the label to the container is 0.60 to 1.80kg / It is advantageous that it is mm 2.
- the polyester-based deposition film of the present invention preferably has a total light transmittance of 0.01 to 5% in order to increase the printing effect by the side and concealment properties for protecting the material inside the container from light.
- Such a method of manufacturing a polyester-based deposition film according to embodiments of the present invention is not particularly limited, but one example thereof is a metal deposition layer by vacuum-depositing a metal such as aluminum on one surface of a heat-shrinkable polyester film substrate. To form. Next, a printing layer is formed on the metal deposition layer.
- the printing layer may be formed by printing at 5 degrees in a gravure printing press.
- the above-described protective layer forming composition is coated or metal deposited on the printing layer, for example, using a gravure printing machine.
- a printed layer After forming a protective layer on the layer, a printed layer can be formed.
- an ink layer obtained by dispersing a white pigment using an alcohol solvent may be coated or physically treated using a gravure printing machine to form a back layer.
- the polyester-based deposition film according to the embodiments is useful as a label to replace the paper label, in one embodiment of the present invention provides a labeled bottle containing such a polyester-based deposition film.
- a conventional method of attaching a label of a paper material may be applied.
- water-soluble adhesives can be applied in consideration of the film material and environmental aspects as adhesives, and a water-soluble adhesive is applied to the back layer of the polyester-based deposition film transferred in the form of a single label, and the surface coated with the adhesive is applied to the bottle.
- a labeled bottle can be made.
- the removal of the polyester-based deposition film in the recovery and recycling of the bottle with the label manufactured as described above is performed by immersing the bottle in hot water, wherein the temperature of the hot water may be about 70 to 90 ° C.
- the evaluation method used in the present invention is as follows.
- MD 15 mm
- TD maximum shrinkage direction
- MD right angle direction
- 50 mm 50 mm at both ends of the TD direction.
- Heat Shrinkage (%) (300mm-Length after Shrinkage / 300mm) ⁇ 100
- the film specimen was broken in liquid nitrogen and its cross section was measured using SEM (Jeol, 6700F), and the scale bar was adjusted by adjusting the magnification for each layer constituting the film. Thickness was measured.
- the thickness of the film base material and the deposited film was measured by measuring the thickness at intervals of 5cm with respect to the entire width using a thickness gauge to calculate the average value of the value excluding the maximum and minimum values.
- the measuring method was measured based on ASTM D-1003, and the polyester film was randomly extracted from 7 parts at 2 sides and 1 center, and then sliced into 5cm ⁇ 5cm sized haze measuring instruments (Nihonden Shoku NDH 5000). After the measurement method was set to ASTM, the haze (%) was measured by transmitting light, and the average value of five values except the maximum value and the minimum value was obtained to calculate the haze.
- Bending stiffness is measured by cutting into a rectangle of 300mm x 15mm in the maximum shrinkage direction and perpendicular to the heat-shrinkable polyester deposited film, and then attaching it to a stiffness tester (Toyo Seiki). Obtain When mounting the sample on the stiffness measuring instrument, the load cell is placed in the center of the film for the accuracy of the measured value, and the tension is 0.125kg / mm2 for mounting the sample on the measuring device in a flat state. Load the sample from. During the measurement of bending stiffness, the stiffness value initially increases and then decreases after indicating the maximum value. The bending stiffness means the maximum value. The sample is taken from five places within 1m of the film length direction and the average value thereof is measured. It was obtained, divided by the width (15mm) and the thickness of the film to obtain the rigidity according to the following formula (2).
- the measurement method was measured based on ASTM D-1003, and the polyester vapor-deposited film was randomly extracted from two parts at one side and one at the center, and then sliced into 5 cm x 5 cm each to have a haze meter (Nihonden Shoku NDH 5000). ), Set the measuring method to ASTM, and mount the sample to inject light in the direction of the metal deposition layer and transmit the light to the back layer, and measure the total transmittance (%) by measuring the maximum and minimum values. The total light transmittance was calculated by obtaining an average of five values except for.
- the metal deposition layer was formed on the polyester film, seven portions were randomly extracted from two sides and one central portion with respect to the width direction of the film, and then sliced into 5 cm ⁇ 5 cm sizes, respectively, in the direction of the metal deposition layer. Equipped with a sample to inject light and transmit the light to the back layer, and measure the optical density (OD) by using an optical density meter (Gretagmacbeth, iCFilm) for five values except the maximum and minimum values The average value was calculated and the optical density (OD) was calculated.
- the polymer chain is oriented and crystallized through the stretching process, and has a structure roughly divided into a crystalline region and an amorphous region.
- the shrinkage stress The force that hinders the contraction is called a shrinkage stress, and the higher the shrinkage stress, the higher the shrinkage stress.
- the shrinkage force with temperature becomes high.
- the measured graph shows the same pattern as shown in FIG. 1, and the temperature corresponding to the shrinkage start temperature (Ts) and the peak of the graph appear when the shrinkage stress value such as the initial load value (Ls) is first observed.
- the temperature at that time is defined as the maximum contraction expression temperature (T (Smax)) and the stress value at this time as the maximum contraction stress (Smax).
- T (Smax) the maximum contraction expression temperature
- Smax the stress value at this time
- the film specimen having a width of 4 mm (MD direction) and a length of 50 mm (TD direction) was fixed at an initial load of 0.125 kg / mm2, followed by a temperature increase rate of 2.5
- the graph was obtained by measuring the shrinkage stress according to the temperature while raising the temperature to °C / sec.
- the temperature at which the shrinkage stress value equal to the initial load of 0.125kg / mm2 is first shown is the shrinkage start temperature (Ts), and the temperature at the point where the maximum shrinkage stress value is first appeared is the maximum shrinkage expression temperature (T). (Smax)) and the stress value at this time was defined as the maximum shrinkage stress (Smax).
- the finished polyester-based deposited film it was placed on a polished glass plate having a refractive index of 1.567, and cut on the deposited film with a knife to cut the film by 20 cm in the horizontal direction without damage to form a first cut line.
- the ruler as a reference to the center point of the first incision, the film is cut by 20 cm in the vertical direction (the direction perpendicular to the first incision) using a ruler to form a second incision.
- Four incisions each having a length of 10 cm in the horizontal and vertical directions were formed based on the intersection points of the second incisions.
- the incision state is checked by lifting the deposited film in the vertical direction to confirm that the incision is completed. This is again placed on a flat glass plate, and the vertical height of the four corners corresponding to the intersection point of the incision line is raised and raised from the flat surface. At this time, two cases where the upper surface of the deposition layer and the lower surface of the deposition layer are respectively measured, and the value indicating the highest height is called a bending characteristic value.
- the label-adhesive normal product except for label adhesion defects was left at 80 ° C. hot water for 2 minutes, and then the number of bottles in which the label was not completely peeled from the glass bottle was measured and peeled according to the following Equation 4 The defect rate was calculated
- the process applicability of the label is closely related to the adhesiveness and peelability of the label, and even if any one is poor in terms of process applicability, the process applicability becomes worse.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 100 mol% of ethylene glycol and 24 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.71 dl / g and a melting point of 203 ⁇ ⁇ .
- the unstretched film was stretched 4.2 times with respect to the width at 75 ° C. through a preheating section having a temperature of 85 ° C. via a roller conveyed in a mechanical direction, and then subjected to a heat treatment section at room temperature to prepare a film.
- the film thus obtained was a heat shrink film having a thickness of 50 ⁇ m, the heat shrinkage measured by the above-mentioned method was 76.5% (TD direction), and the haze was 5.7%.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of a boat evaporation method at an upper vacuum degree of 2.2 x 10 -2 mbar, lower vacuum degree of 5.8 x 10 -4 mbar, a cooling roll temperature of -16 deg.
- a mixed varnish consisting of 10% by weight of urethane (urethane varnish) and 90% by weight of vinyl chloride (vinyl chloride varnish) using a gravure roll was diluted on methyl ethyl ketone (MEK) using a gravure roll on the print layer to 25% by weight of solids.
- MEK methyl ethyl ketone
- the gravure roll was applied by applying a crude liquid containing 10 wt% of acrylic resin (BPS-5968, Samyoung Toyo), 80 wt% of methyl ethyl ketone, and 10 wt% of white pigment (R-100, KPAI) in the print layer forming crude liquid. 1 degree was used to form a backing layer having a thickness of 1.0 ⁇ m to prepare a deposited film of the present invention.
- acrylic resin BPS-5968, Samyoung Toyo
- R-100, KPAI white pigment
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 107 mol% of ethylene glycol and 17 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.63 dl / g and a melting point of 218 ⁇ ⁇ .
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method at a top vacuum degree of 2.1 ⁇ 10 -2 mbar, a bottom vacuum degree of 5.6 ⁇ 10 -4 mbar, a cooling roll temperature of -16 ° C, An aluminum metal deposition layer having an optical density (OD) of 2.35 was formed at a deposition rate of 400 m / min.
- OD optical density
- the deposition film of the present invention having a printed layer thickness and a protective layer formed on the metal deposition layer and a back layer formed on the back side under the same conditions as in Example 1 having a printed layer thickness of 1.8 ⁇ m, a protective layer thickness of 0.5 ⁇ m, and a rear layer thickness of 1.0 ⁇ m. was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as the dibasic acid component, 96 mol% of ethylene glycol and 28 mol% of neopentyl glycol as the glycol component, and 0.05 mol of antimony trioxide (relative to the acid component) as a catalyst. Combined.
- the polymer thus obtained contained 50 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m, and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.73 dl / g and a melting point of 193 ° C.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method at an upper vacuum degree of 2.2 x 10 -2 mbar, lower vacuum degree of 5.3 x 10 -4 mbar, a cooling roll temperature of -20 deg.
- the deposition film of the present invention having a printed layer thickness and a protective layer formed on the metal deposition layer and a back layer formed on the back side under the same conditions as in Example 1 having a printed layer thickness of 1.8 ⁇ m, a protective layer thickness of 0.5 ⁇ m, and a rear layer thickness of 1.0 ⁇ m. was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.70 dl / g and a melting point of 205 ⁇ ⁇ .
- the copolyester was extruded from an extruder at 270 ° C. followed by rapid cooling and solidified to yield an unstretched film.
- the unstretched film was stretched 4.2 times with respect to the width at 70 ° C. through a preheating section having a temperature of 82 ° C. via a roller which is transferred in a mechanical direction, and then a heat shrink film having a thickness of 50 ⁇ m was produced through a heat treatment section at room temperature.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method, and the upper vacuum degree of the vapor deposition machine was 2.0 ⁇ 10 -2 mbar, the lower vacuum degree was 5.0 ⁇ 10 -4 mbar, the cooling roll temperature -15 ° C, An aluminum metal deposition layer having an optical density (OD) of 2.25 was formed at a deposition rate of 350 m / min.
- OD optical density
- the deposition film of the present invention having a printed layer thickness and a protective layer formed on the metal deposition layer and a back layer formed on the back side under the same conditions as in Example 1 having a printed layer thickness of 1.8 ⁇ m, a protective layer thickness of 0.5 ⁇ m, and a rear layer thickness of 1.0 ⁇ m. was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 102 mol% of ethylene glycol and 22 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.71 dl / g and a melting point of 203 ⁇ ⁇ .
- the copolyester was extruded from an extruder at 270 ° C. followed by rapid cooling and solidified to yield an unstretched film.
- the unstretched film was stretched 4.2 times with respect to the width at 70 ° C. through a preheating section having a temperature of 92 ° C. via a roller conveyed in a mechanical direction, and then a heat shrink film having a thickness of 50 ⁇ m was produced through a heat treatment section at 85 ° C.
- the aluminum metal deposition layer of optical density (OD) 2.43 was formed on condition similar to Example 1.
- the deposition film of the present invention having a printed layer thickness and a protective layer formed on the metal deposition layer and a back layer formed on the back side under the same conditions as in Example 1 having a printed layer thickness of 1.8 ⁇ m, a protective layer thickness of 0.5 ⁇ m, and a rear layer thickness of 1.0 ⁇ m. was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 the film was stretched to 4.2 times the width at 70 ° C through a preheating section at a temperature of 92 ° C. through a roller conveyed in a mechanical direction, and then a film having a thickness of 35 ⁇ m was produced at a heat treatment section of 85 ° C. Except for the same heat shrink film was prepared.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method, and the upper vacuum degree of the vapor deposition machine was 0.8 ⁇ 10 -2 mbar, the lower vacuum degree was 2.5 ⁇ 10 -4 mbar, the cooling roll temperature -12 ° C, An aluminum metal deposition layer having an optical density (OD) of 1.13 was formed at a deposition rate of 495 m / min.
- OD optical density
- the deposition film of the present invention having a printing layer thickness of 1.8 mu m, a protective layer thickness of 0.2 mu m, and a rear layer thickness of 1.0 mu m, by forming a printing layer and a protective layer on the metal deposition layer and forming a back layer on the back side in the same manner as in Example 1 above.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 6 the film was stretched 4.2 times with respect to the width at 70 ° C. through a preheating section of a temperature of 82 ° C. via a roller conveyed in the mechanical direction, and then a film having a thickness of 50 ⁇ m was produced through a heat treatment section at room temperature. In the same manner to prepare a heat shrink film.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method, and the upper vacuum degree of the vapor deposition machine was 2.8 ⁇ 10 -2 mbar, the lower vacuum degree 8.5 ⁇ 10 -4 mbar, the cooling roll temperature -20 ° C, An aluminum metal deposition layer having an optical density (OD) of 3.37 was formed at a deposition rate of 305 m / min.
- OD optical density
- the deposition film of the present invention having a printing layer thickness of 1.8 mu m, a protective layer thickness of 0.5 mu m, and a back layer thickness of 1.0 mu m by forming a printing layer and a protective layer on the metal deposition layer and forming a back layer on the back side in the same manner as in Example 1 above.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 the film was stretched 4.2 times with respect to the width at 70 ° C through a preheating section at a temperature of 90 ° C. through a roller conveyed in a mechanical direction, and then a film having a thickness of 50 ⁇ m was produced through a heat treatment section at 80 ° C. Except for the same heat shrink film was prepared.
- the aluminum metal deposition layer of optical density (OD) 2.43 was formed on condition similar to Example 1.
- a protective layer on the printed layer and forming a back layer on the back side was carried out under the same conditions as in Example 1 to prepare a deposited film of the present invention having a protective layer thickness of 0.5 ⁇ m and a back layer thickness of 1.0 ⁇ m.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 the film was stretched at a rate of 4.0 times the width at 72 ° C through a preheating section of a temperature of 82 ° C. through a roller conveyed in a mechanical direction, and then a film having a thickness of 50 ⁇ m was produced through a heat treatment section of 85 ° C. Except for the same heat shrink film was prepared.
- the aluminum metal deposition layer of optical density (OD) 2.43 was formed on condition similar to Example 1.
- a protective layer on the printed layer and forming a rear layer on the back side was carried out under the same conditions as in Example 1 to prepare a deposited film of the present invention having a protective layer thickness of 0.5 ⁇ m and a rear layer thickness of 1.0 ⁇ m.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 8 10% by weight of the acrylic resin (BPS-5698, Samyoung Toyo) on the metal deposition layer, 80% by weight of methyl ethyl ketone (MEK, chemical instead of ketone) and yellow pigment (Yellow 10G, Hyundai) Chemicals), Red Pigment (Red-FRN, Hyundai Chemical), Green Pigment (Green 735, Hyundai Chemical), Black Pigment (Black # 30, Hyundai Chemical), Blue Pigment (Blue 501, Hyundai Chemical), Pink Pigment (Pink E) Total amount, including 10% by weight of each colorant selected from among (Hyundai Chemical), Brown Pigment (Brown HFR, Hyundai Chemical), Violet Pigment (Violet E5B, Hyundai Chemical) and White Pigment (R-100, KPAI)
- a vapor deposition film of the present invention was prepared in the same manner, except that a 9-micron thick printing layer was formed by printing a gravure roll from 9 kinds of crude liquids adjusted to 100% by weight.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 10% by weight of acrylic resin (BPS-5698, Samyoung Toyo) on the metal deposition layer, 80% by weight of methyl ethyl ketone (MEK, chemical instead of ketone) and yellow pigment (Yellow 10G, Hyundai) Each colorant selected from chemicals), red pigment (Red-FRN, Hyundai Chemical), green pigment (Green 735, Hyundai Chemical), blue pigment (Blue 501, Hyundai Chemical) and white pigment (R-100, Kpia) Five kinds of crude liquids, including 10% by weight, of which the total amount was adjusted to 100% by weight, were printed at 5 degrees using a gravure roll to form a printing layer having a thickness of 2.0 ⁇ m, and urethane (gravure roll) was used on the printing layer.
- MEK methyl ethyl ketone
- a mixed varnish consisting of 10% by weight of urethane varnish) and 90% by weight of vinyl chloride (vinyl chloride varnish) was diluted in methyl ethyl ketone (MEK) to prepare a coating liquid having a solid concentration of 25% by weight.
- MEK methyl ethyl ketone
- a deposition film of the present invention was prepared in the same manner except that a protective layer having a thickness of 3.5 ⁇ m was formed using the same.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 11 a mixed varnish composed of 90% by weight of an acrylic copolymer (vinyl formate-acrylic varnish) and 10% by weight of a styrene copolymer (styrene-vinyl varnish) using a gravure roll was methylated on a printed layer. It was diluted with ethyl ketone (MEK) to prepare a coating liquid having a solid concentration of 25%.
- MEK ethyl ketone
- a deposition film of the present invention was prepared in the same manner except that a protective layer having a thickness of 1.5 ⁇ m was formed using the same. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 11 a copolyester resin (copolyester having a number average molecular weight of 5000 produced by mixing two or more polyhydric alcohols and polybasic acids) was diluted with methyl ethyl ketone (MEK) using a gravure roll on a printed layer. A coating solution having a solid concentration of 25% was prepared and used. A deposition film of the present invention was prepared in the same manner except that a protective layer having a thickness of 1.5 ⁇ m was formed using the same. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- MK methyl ethyl ketone
- Example 1 the thickness of the printed layer forming crude liquid was printed by two degrees using a gravure roll from two kinds of crude liquids including yellow pigment (Yellow 10G, Hyundai Chemical) and white pigment (R-100, KPAI).
- a deposited film of the present invention was prepared in the same manner except that a back layer having a thickness of 2.0 ⁇ m was formed.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 the thickness of the heat-shrink film was 40 ⁇ m, and yellow pigment (Yellow 10G, Hyundai Chemical), red pigment (Red-FRN, Hyundai Chemical), green pigment (Green 735, Hyundai Chemical) in the printing layer forming solution. ) And white pigments (R-100, KPIA) from 4 kinds of crude liquids, using a gravure roll, printed at 4 degrees, except that a back layer having a thickness of 4.0 ⁇ m was formed in the same manner. A film was prepared. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 the thickness of the heat-shrinkable film was set to 55 ⁇ m, and a printing solution containing white pigment (R-100, KPIA) was applied to the printing layer-forming solution to print 1 degree using a gravure roll, and the thickness was 0.5.
- a deposited film of the present invention was prepared in the same manner except that a back layer having a thickness of ⁇ m was formed. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- a deposition film of the present invention was prepared in the same manner as in Example 1, except that the back layer was formed using an embossing roll.
- a heat shrink film is passed between the roller having the planar surface and the embossing roll having the uneven structure having a height of 100 ⁇ m on the surface, wherein the uneven structure is formed at the back layer with an embossing pressure of 15 Kg / cm 2 . I was.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- the deposition film of the present invention was prepared in the same manner except that the protective layer coating was not performed.
- a silane coupling agent (3-glycidoxy propyltrimethoxy silane, 3-Glycidoxypropyltrimethoxy silane) was diluted in methyl ethyl ketone at a concentration of 0.5% using a gravure roll on a metal deposition layer to form a primer layer having a thickness of 0.7 ⁇ m. .
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 18 a mixed varnish consisting of 10% by weight of urethane (urethane varnish) and 90% by weight of vinyl chloride (vinyl chloride varnish) was diluted in methyl ethyl ketone (MEK) using a gravure roll on the metal deposition layer. To prepare a coating liquid of 25% solids concentration was used. A deposition film of the present invention was prepared in the same manner except that a primer layer having a thickness of 0.7 ⁇ m was formed using the same. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- MEK methyl ethyl ketone
- Example 1 In the roller group conveyed in the mechanical direction with respect to the unstretched film obtained in the same manner as in Example 1 in Example 1 was stretched 1.5 times in the longitudinal direction of the film at 75 °C temperature through a preheating section of the temperature 70 °C Next, after cooling through a cooling roll at room temperature, the film was continuously drawn in the width direction under the same conditions as in Example 1 in a tenter, so that the shrinkage ratio in the film length direction MD was 30.2%, and the width direction TD was measured.
- a deposition film of the present invention was prepared by forming a metal deposition layer, a printing layer, a protective layer, and a backing layer in the same manner except that a bidirectional thermally shrinkable polyester film having a thickness of 74.5% having a thickness of 50 ⁇ m was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 20 In the roller group conveyed in the mechanical direction in Example 20 was stretched 3.0 times in the longitudinal direction of the film at 82 °C temperature through a preheating section of the temperature 75 °C, then cooled through a cooling roll at room temperature, and then continuous Stretching in the width direction under the same conditions as in Example 1 in the tenter, with a shrinkage rate of 53.2% in the film length direction (MD) and a shrinkage rate in the width direction (TD) of 65.2%, a bidirectional thermal shrinkage polyester having a thickness of 50 ⁇ m.
- a deposition film of the present invention was prepared by forming a metal deposition layer, a print layer, a protective layer and a back layer in the same manner except that the film was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 on the polyester-based heat-shrink film, aluminum having a purity of 99.9% was deposited using a boat evaporator evaporator.
- the upper vacuum degree of the vapor deposition machine was 0.5 ⁇ 10 ⁇ 2 mbar, the lower vacuum degree 1.2 ⁇ 10 ⁇ 4 mbar, and the cooling roll.
- the deposition film of the present invention was prepared in the same manner as the aluminum metal deposition layer having an optical density (OD) of 0.65 at a temperature of ⁇ 11 ° C. and a deposition rate of 550 m / min.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 yellow pigment (Yellow 10G, Hyundai Chemical), red pigment (Red-FRN, Hyundai Chemical), green pigment (Green 735, Hyundai Chemical) of the print layer forming solution of Example 10 was formed. ), Blue pigment (Blue 501, Hyundai Chemical), pink pigment (Pink E, Hyundai Chemical), brown pigment (Brown HFR, Hyundai Chemical), and white pigment (R-100, Kappiai)
- the deposition film of the present invention was prepared in the same manner except that the back layer having a thickness of 6.0 ⁇ m was formed by printing at 7 degrees using a gravure roll. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 108 mol% of ethylene glycol and 16 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.73 dl / g and a melting point of 210 ° C.
- Example 1 the polybutylene terephthalate and titanium oxide particles (particle size 0.3 ⁇ m) particles of Example 1 were melt-kneaded in a twin screw extruder to prepare a master batch chip having a titanium oxide content of 50% by weight. , Blended 95wt% copolyester of Example 1 and 5wt% of the masterbatch chip to prepare an unstretched film, except that no processing was performed on the back layer, the deposition film of the present invention in the same manner Prepared. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- a deposited film of the present invention was prepared in the same manner as in Example 1 except that no protective layer was formed on the printed layer.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Example 1 the thickness of the heat-shrinkable film was set to 30 ⁇ m, and a printing solution containing white pigment (R-100, KPIA) was applied to the printing layer-forming solution to print 1 degree using a gravure roll, and the thickness was 0.5.
- a deposited film of the present invention was prepared in the same manner except that a back layer having a thickness of ⁇ m was formed. The obtained deposition film was evaluated by the above-described method, and the results are shown in Tables 1 and 2 below.
- Examples 20 and 21 in which both of the films were stretched in both the longitudinal direction and the width direction, the labels were excellent in the adhesiveness and peeling property, and thus the processability of the label was excellent.
- the process of separating the peeled label and the bottle is relatively easy compared to other embodiments.
- a label curling phenomenon occurs in the direction of the maximum shrinkage of the film, thereby increasing the pressure or flow rate of the water when the label floats to the top of the bottle, but in Examples 20 and 21, the label is separated from the bottle. Since shrinkage occurs in both directions at the time to mitigate labeling, the label can be easily floated to the top of the bottle when compared to other embodiments to separate the label, which is advantageous in terms of water consumption and energy saving.
- Example 22 the working processability is good, but the optical density of the metal deposition layer is low, so the total light transmittance of the heat shrinkable deposition film is high, and the color of the bottle when applied to the colored bottle in the printing label as the final product This projection may lower the printing effect, and the visibility of the print pattern may be lowered, and as a result, the aesthetics of the advertisement may be lowered.
- Example 23 having a thick thickness when forming the back layer, curl was severely generated due to swelling phenomenon caused by the printing solvent, resulting in low flatness of the heat-shrink-deposited film, resulting in high bending characteristics and stiffness. Due to the high rigidity value, the adhesion of the printing label to the bottle may be partially peeled off due to warpage and high rigidity.
- Example 24 where the shrinkage start temperature was high and the maximum shrinkage stress was low, a part of the printing label was adhered to the bottle when the printing label was removed from the bottle. In such a case, the economic efficiency may be lowered because the printing label is removed several times.
- Example 25 when the printing label was attached to the bottle, the printing label was not fixed to the bottle and slipped, causing the labeling position to be different or part of the printing label peeling off from the bottle. Stability is deteriorated, and since the water penetration time between the bottle and the printing label is relatively long during the printing label removal process, the label separation time may be slightly longer during the bottle washing process.
- Example 26 in which the protective layer or the primer layer was not applied, the adhesiveness and the peeling property did not matter, but the peeling of the metal deposition layer and the print layer of the printing label occurred during the printing label peeling process. This may cause a problem of contaminating the water, which may cause secondary contamination of the bottle, resulting in a problem of additional cleaning of the bottle.
- the overall fairness is not a problem, but since the cleaning process of the bottle should be added after peeling off the printing label, it may cause an increase in process cost when the printing label is applied.
- the heat-shrinkable polyester film substrate according to the present invention A metal deposition layer on the substrate; And a printing layer on the metal deposition layer, wherein a polyester-based deposition film having a stiffness of 1.5 g / mm 2 or more in the maximum shrinkage direction has process ease in an online bonding process when applied for a label, and preferably When treated for 10 seconds in hot water at 90 ° C, the shrinkage ratio in the maximum shrinkage direction was 40 to 80%, the shrinkage start temperature in the maximum shrinkage direction was 68 to 94 ° C, the maximum shrinkage expression temperature was 80 to 110 ° C, and the maximum shrinkage When the stress has a characteristic of 0.60 to 1.80kg / mm 2, total light transmittance of 0.01 to 5%, and bending characteristic value of 5 mm or less, it can be seen that the processability, printing appearance, adhesiveness and peeling characteristics are excellent.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 100 mol% of ethylene glycol and 24 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.71 dl / g and a melting point of 203 ⁇ ⁇ .
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method at an upper vacuum of 2.3 x 10 -2 mbar, a lower vacuum of 5.7 x 10 -4 mbar, a cooling roll temperature of -15 deg.
- a metal deposition layer was formed at a deposition rate of 405 m / min (metal: Al, metal deposition layer thickness 52 nm).
- urethane varnish urethane varnish
- vinyl chloride varnish vinyl chloride varnish
- MEK methyl ethyl ketone
- the gravure roll was applied by applying a crude liquid containing 10 wt% of acrylic resin (BPS-5968, Samyoung Toyo), 80 wt% of methyl ethyl ketone, and 10 wt% of white pigment (R-100, KPAI) in the print layer forming crude liquid.
- a crude liquid containing 10 wt% of acrylic resin BPS-5968, Samyoung Toyo
- 80 wt% of methyl ethyl ketone 80 wt% of methyl ethyl ketone
- 10 wt% of white pigment R-100, KPAI
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 106 mol% of ethylene glycol and 18 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.63 dl / g and a melting point of 218 ⁇ ⁇ .
- the polyester type heat-shrink film it carried out on the conditions similar to Example 27, and produced the vapor deposition film of this invention which has a metal deposition layer thickness of 52 nm, a printed layer thickness of 2 micrometers, a protective layer thickness of 0.4 micrometer, and a back layer thickness of 1.5 micrometer. .
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as the dibasic acid component, 96 mol% of ethylene glycol and 28 mol% of neopentyl glycol as the glycol component, and 0.05 mol of antimony trioxide (relative to the acid component) as a catalyst. Combined.
- the polymer thus obtained contained 50 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m, and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.73 dl / g and a melting point of 193 ° C.
- the polyester type heat-shrink film it carried out on the conditions similar to Example 27, and produced the vapor deposition film of this invention which has a metal deposition layer thickness of 52 nm, a printed layer thickness of 2 micrometers, a protective layer thickness of 0.4 micrometer, and a back layer thickness of 1.5 micrometer. .
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.68 dl / g and a melting point of 205 ⁇ ⁇ .
- the copolyester was extruded from an extruder at 270 ° C. and then rapidly cooled and solidified to yield an unstretched film.
- the unstretched film was stretched 4.2 times with respect to the width at 72 ° C. through a preheating section having a temperature of 85 ° C. via a roller which is transferred in a mechanical direction, and then a heat shrinkable film having a thickness of 50 ⁇ m was produced through a heat treatment section at room temperature.
- the polyester type heat-shrink film it carried out on the conditions similar to Example 27, and produced the vapor deposition film of this invention which has a metal deposition layer thickness of 52 nm, a printed layer thickness of 2 micrometers, a protective layer thickness of 0.4 micrometer, and a back layer thickness of 1.5 micrometer. .
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Polycondensation was carried out by direct esterification using 100 mol% of terephthalic acid as a dibasic acid component, 100 mol% of ethylene glycol and 24 mol% of neopentyl glycol as glycol components, and 0.05 mol of antimony trioxide (relative to acid components) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.71 dl / g and a melting point of 203 ⁇ ⁇ .
- the copolyester was extruded from an extruder at 270 ° C. and then rapidly cooled and solidified to yield an unstretched film.
- the unstretched film was stretched 4.0 times with respect to the width at 72 ° C. through a preheating section having a temperature of 90 ° C. through a roller which is transported in a mechanical direction, and then a heat shrink film having a thickness of 50 ⁇ m was produced through a heat treatment section at 88 ° C.
- the polyester type heat-shrink film it carried out on the conditions similar to Example 27, and produced the vapor deposition film of this invention which has a metal deposition layer thickness of 52 nm, a printed layer thickness of 2 micrometers, a protective layer thickness of 0.4 micrometer, and a back layer thickness of 1.5 micrometer. .
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 the film was stretched 4.2 times with respect to the width at 72 ° C through a preheating section of a temperature of 90 ° C. through a roller conveyed in the mechanical direction, and then a film having a thickness of 50 ⁇ m was passed through a heat treatment section of 88 ° C. Except for the same heat shrink film was prepared.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method, and the upper vacuum degree of the vapor deposition machine was 1.0 ⁇ 10 -2 mbar, the lower vacuum degree was 3.5 ⁇ 10 -4 mbar, the cooling roll temperature -15 ° C, A metal deposition layer was formed at a deposition rate of 490 m / min. (Metal: Al, thickness of metal deposition layer 32 nm).
- the deposited film of the present invention was prepared on the metal deposition layer under the same conditions as in Example 1, having a printed layer thickness of 2 m, a protective layer thickness of 0.4 m, and a back layer thickness of 1.5 m.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 the film was stretched 4.2 times with respect to the width at 72 ° C. through a preheating section of a temperature of 82 ° C. via a roller conveyed in a mechanical direction, and then a film having a thickness of 50 ⁇ m was produced through a heat treatment section at room temperature. In the same manner to prepare a heat shrink film.
- polyester-based heat-shrink film aluminum having a purity of 99.9% was deposited on the evaporator of the boat evaporation method at an upper vacuum degree of 3.5 x 10 -2 mbar, lower vacuum degree of 8.1 x 10 -4 mbar, a cooling roll temperature of -20 deg.
- a metal deposition layer was formed at a deposition rate of 315 m / min. (Metal: Al, metal deposition layer thickness of 85 nm).
- the deposited film of the present invention was prepared on the metal deposition layer under the same conditions as in Example 1, having a printed layer thickness of 2 m, a protective layer thickness of 0.4 m, and a back layer thickness of 1.5 m.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 10% by weight of the acrylic resin (BPS-5698, Samyoung Toyo) on the metal deposition layer, 80% by weight of methyl ethyl ketone (MEK, chemical instead of ketone) and yellow pigment (Yellow 10G, Hyundai) Chemicals), Red Pigment (Red-FRN, Hyundai Chemical), Green Pigment (Green 735, Hyundai Chemical), Black Pigment (Black # 30, Hyundai Chemical), Blue Pigment (Blue 501, Hyundai Chemical), Pink Pigment (Pink E) , 8 types of crude liquid with total amount adjusted to 100% by weight, including 10% by weight of each colorant selected from among (Hyundai Chemical), Brown Pigment (Brown HFR, Hyundai Chemical) and White Pigment (R-100, KPIA)
- the protective film and the back layer were formed under the same conditions as in Example 27 except that the printed layer was printed at 8 degrees using a gravure roll to form a printed layer having a thickness of 3.5 ⁇ m, thereby forming the deposited film of the present invention.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- the deposited film of the present invention was prepared on the printed layer under the same conditions as in Example 27, having a protective layer thickness of 0.4 ⁇ m and a rear layer thickness of 1.5 ⁇ m.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 10% by weight of the acrylic resin (BPS-5698, Samyoung Toyo) on the metal deposition layer, 80% by weight of methyl ethyl ketone (MEK, chemical instead of ketone) and yellow pigment (Yellow 10G, Hyundai) Chemicals), Red Pigment (Red-FRN, Hyundai Chemical), Green Pigment (Green 735, Hyundai Chemical), Black Pigment (Black # 30, Hyundai Chemical), Blue Pigment (Blue 501, Hyundai Chemical), Pink Pigment (Pink E) , 8 types of crude liquid with total amount adjusted to 100% by weight, including 10% by weight of each colorant selected from among (Hyundai Chemical), Brown Pigment (Brown HFR, Hyundai Chemical) and White Pigment (R-100, KPIA)
- a vapor deposition film of the present invention was prepared in the same manner, except that a printing layer having a thickness of 8.0 ⁇ m was formed by printing at 8 degrees using a gravure roll.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 a mixed varnish consisting of 10% by weight of urethane (urethane varnish) and 90% by weight of vinyl chloride (vinyl chloride varnish) was diluted in methyl ethyl ketone (MEK) using a gravure roll on the printed layer. To prepare a coating liquid having a solid concentration of 25% by weight. A deposition film of the present invention was prepared in the same manner except that a protective layer having a thickness of 2.5 ⁇ m was formed using the same.
- MEK methyl ethyl ketone
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 a mixed varnish composed of 90% by weight of an acrylic copolymer (vinyl formate-acrylic varnish) and 10% by weight of a styrene copolymer (styrene-vinyl varnish) using a gravure roll was methylated on a printed layer. It was diluted with ethyl ketone (MEK) to prepare a coating liquid having a solid concentration of 25%.
- MEK ethyl ketone
- a deposition film of the present invention was prepared in the same manner except that a protective layer having a thickness of 2.0 ⁇ m was formed using the same.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 a copolyester resin (copolyester having a number average molecular weight of 5000 produced by mixing two or more polyhydric alcohols and polybasic acids) was diluted in methyl ethyl ketone (MEK) using a gravure roll on a printed layer. A coating solution having a solid concentration of 25% was prepared and used. Formation of a protective layer having a thickness of 1.5 ⁇ m using this A deposition film of the present invention was prepared in the same manner except that a protective layer having a thickness of 3.5 ⁇ m was formed.
- MEK methyl ethyl ketone
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 the thickness of the printed layer forming crude liquid was printed by two degrees using a gravure roll from two crude liquids containing yellow pigment (Yellow 10G, Hyundai Chemical) and white pigment (R-100, KPAI).
- a vapor deposition film of the present invention was prepared in the same manner except that a rear layer of 3.0 ⁇ m was formed.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 the heat-shrink film had a thickness of 40 ⁇ m, and a yellow pigment (Yellow 10G, Hyundai Chemical), a red pigment (Red-FRN, Hyundai Chemical) and a white pigment (R-100, KPI) in the printing layer forming solution.
- a vapor deposition film of the present invention was prepared in the same manner except that the back layer having a thickness of 3.5 ⁇ m was formed by printing at 3 degrees using a gravure roll from three kinds of crude liquids including I).
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 the thickness of the heat-shrinkable film was set to 55 ⁇ m, and a printing solution containing white pigment (R-100, KPIA) was applied to the printing layer-forming solution to print 1 degree using a gravure roll, and the thickness was 0.7.
- a deposited film of the present invention was prepared in the same manner except that a back layer having a thickness of ⁇ m was formed.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- a deposition film of the present invention was prepared in the same manner as in Example 27, except that the back layer was formed using an embossing roll.
- the heat shrink film passes between the roller having the planar surface and the embossing roll having the uneven structure having a height of 50 ⁇ m on the surface, wherein the embossing pressure is 20Kg / cm 2 and the unevenness is formed on the rear layer.
- the structure was formed.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 after the primer layer was formed on the metal deposition layer, a printed layer was formed and the deposition film of the present invention was prepared in the same manner except that the protective layer was not coated.
- a silane coupling agent (3-glycidoxy propyltrimethoxy silane, 3-Glycidoxypropyltrimethoxy silane) was diluted in methyl ethyl ketone at a concentration of 0.5% using a gravure roll on a metal deposition layer, and a primer layer having a thickness of 0.4 ⁇ m. was formed.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 44 a mixed varnish consisting of 10% by weight of urethane (urethane varnish) and 90% by weight of vinyl chloride (vinyl chloride varnish) was diluted in methyl ethyl ketone (MEK) using a gravure roll on the metal deposition layer. To prepare a coating liquid having a solid concentration of 25%. A deposition film of the present invention was prepared in the same manner except that a primer layer having a thickness of 0.4 ⁇ m was formed using the same.
- MEK methyl ethyl ketone
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 In the roller group conveyed in the mechanical direction with respect to the unstretched film obtained in the same manner as in Example 27 in Example 27 was stretched 1.6 times in the longitudinal direction of the film at a temperature of 70 °C through a preheating section of the temperature 65 °C Next, after cooling through a cooling roll at room temperature, the film was continuously stretched in the width direction under the same conditions as in Example 27 in a tenter, so that the shrinkage ratio in the film length direction MD was 37.3%, and in the width direction TD.
- a deposition film of the present invention was prepared by forming a metal deposition layer, a printing layer, a protective layer, and a backing layer in the same manner except that a bidirectional thermal shrinkage polyester film having a thickness of 74.9% having a thickness of 50 ⁇ m was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 46 In the roller group conveyed in the mechanical direction in Example 46 was stretched 2.5 times in the longitudinal direction of the film at a temperature of 75 °C through a preheating section of the temperature 75 °C, then cooled through a cooling roll of room temperature, then continuous In the tenter in the width direction under the same conditions as in Example 1, with a shrinkage rate of 45.8% in the film length direction (MD) and a shrinkage rate in the width direction (TD) of 70.5%, bidirectional thermally shrinkable polyester
- a deposition film of the present invention was prepared by forming a metal deposition layer, a print layer, a protective layer and a back layer in the same manner except that the film was prepared.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 on the polyester-based heat-shrink film, aluminum having a purity of 99.9% was deposited using a boat evaporator evaporator at an upper vacuum of 0.4 ⁇ 10 -2 mbar, a lower vacuum of 1.0 ⁇ 10 -4 mbar, and a cooling roll.
- a deposition film of the present invention was prepared in the same manner as the metal deposition layer having a thickness of 10 nm at a temperature of ⁇ 10 ° C. and a deposition rate of 500 m / min. The obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 yellow pigment (Yellow 10G, Hyundai Chemical), red pigment (Red-FRN, Hyundai Chemical), green pigment (Green 735, Hyundai Chemical) of the printing layer forming solution of Example 36 was formed. ), A back layer having a thickness of 5.5 ⁇ m was formed by printing 5 degrees using a gravure roll from five kinds of crude liquids including black pigment (Black # 30, Hyundai Chemical) and white pigment (R-100, KPIA). A deposition film of the present invention was prepared in the same manner except that.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Polycondensation was carried out by direct esterification using 100 mole% of terephthalic acid as the dibasic acid component, 110 mole% of ethylene glycol and 14 mole% of neopentyl glycol as the glycol component, and 0.05 mole of antimony trioxide (relative to the acid component) as a catalyst. Combined.
- the polymer thus obtained contained 500 ppm of silicon dioxide powder having an average particle diameter of 2.7 ⁇ m and dried by a conventional method to prepare a copolyester having an intrinsic viscosity of 0.71 dl / g and a melting point of 203 ⁇ ⁇ .
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- a deposited film of the present invention was prepared in the same manner as in Example 27, except that no protective layer was formed on the printed layer.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Example 27 the polybutylene terephthalate and the titanium oxide particles (particle size 0.3 ⁇ m) particles of Example 27 were melt-kneaded in a twin screw extruder to prepare a masterbatch chip having a titanium oxide content of 50% by weight.
- the unstretched film was prepared by blending 90 wt% of the copolyester of Example 27 and 10 wt% of the masterbatch chip, except that no processing was performed on the rear layer, except that the deposition film was prepared in the same manner.
- the obtained deposition film was evaluated by the above-described method, and the results are shown in the following Tables 3 and 4.
- Examples 46 and 47 in which the stretching was performed in both the longitudinal direction and the width direction of the film, the adhesiveness and peelability of the label were excellent, and thus, the processability of the label was excellent,
- the process of separating the peeled label and the bottle is relatively easy compared to other embodiments.
- the type of floating type bleaching machine where water is introduced into the bottle and the label is raised to the surface using water pressure, and the label separated using a hook from the top of the bottle is stretched only in the width direction of the film.
- a label curling phenomenon occurs in the direction of the maximum shrinkage of the film, thereby increasing the pressure or flow rate of the water when the label floats to the top of the bottle, but in the case of Examples 46 and 47, the label is separated from the bottle. Since shrinkage occurs in both directions at the time to mitigate labeling, the label can be easily floated to the top of the bottle when compared to other embodiments to separate the label, which is advantageous in terms of water consumption and energy saving.
- Example 48 of the above examples the work processability is good, but the thickness of the metal deposition layer is thin, so that the total light transmittance of the heat shrinkable deposition film is high, the color of the bottle is projected when applied to the colored bottle in the final printed label The printing effect is lowered, and the visibility of the print pattern is lowered, and as a result, the aesthetics of the advertisement may be lowered.
- Example 49 in which the thickness of the back layer is thick, the heat shrinkable evaporation film is stiff (stiff) and after the printing label is adhered, it can be seen that the phenomenon is partially peeled off from the bottle, the adhesion performance is reduced.
- Example 50 when the shrinkage start temperature was high and the maximum shrinkage stress was low, the printing label was partially adhered to the bottle when the printing label was removed from the bottle. In such a case, the economic efficiency may be lowered because the printing label is removed several times.
- Example 51 without applying the protective layer or the primer layer, the adhesiveness and peeling characteristics are not a problem, but the peeling process of the printing layer causes the phenomenon that the metal deposition layer and the printing layer of the printing label peel off. This may cause a problem of contaminating water, which may cause secondary contamination of the bottle, resulting in a problem of additional cleaning of the bottle.
- the overall fairness is not a problem, but since the cleaning process of the bottle must be added after peeling off the printing label, it may cause an increase in process cost when the printing label is applied.
- the heat-shrinkable polyester film substrate according to the present invention A metal deposition layer on the substrate; A print layer on the metal deposition layer; And the most preferred example of the polyester-based deposition film including the back layer on the other side of the substrate is 40 to 80% in the maximum shrinkage direction when treated over 90 seconds in hot water at 90 ° C.
- the shrinkage start temperature in the maximum shrinkage direction is 68 to 94 ° C
- the maximum shrinkage expression temperature is 80 to 110 ° C
- the maximum shrinkage stress is 0.60 to 1.80kg / mm2
- the total light transmittance is 0.01 to 5%. It can be seen that the appearance, adhesiveness and peeling properties are excellent.
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Abstract
Description
Claims (22)
- 열수축성 폴리에스테르계 필름 기재;기재 상의, 금속증착층; 및금속증착층 상의 인쇄층을 포함하고,필름의 최대수축방향의 강성(stiffness)이 1.5g/mm2이상인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,상기 증착필름의 최대수축방향의 강성(stiffness)이 1.5 내지 13g/mm2인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,열수축성 폴리에스테르계 필름 기재의 나머지 일면에, 열수축성 폴리에스테르계 필름 기재의 표면을 물리적 또는 화학적으로 처리하여 형성된 요철층 또는 백색 안료 코팅층으로 이루어진 후면층을 포함하는 폴리에스테르계 증착필름.
- 제 1 항 또는 제 3항에 있어서,금속증착층과 인쇄층 사이에 프라이머층을 포함하는 폴리에스테르계 증착필름.
- 제 1 항 또는 제 3항에 있어서,인쇄층 상에, 공중합 폴리에스테르, 아크릴공중합체, 스티렌공중합체, 메타크릴레이트 공중합체, 폴리스티렌, 비닐아세테이트, 폴리아미드, 알킬아크릴레이트, 우레아포름알데히드, 에폭시화 대두유, 에틸렌-비닐 아세테이트 공중합체, 우지계 올레아미드, 폴리에틸렌 글리콜 디스테아레이트, 폴리비닐리덴, 폴리올레핀계 공중합물, 우레탄 및 비닐계 수지 중에서 선택되는 단독 또는 이들의 혼합물로 이루어진 보호층을 포함하는 폴리에스테르계 증착필름.
- 제 4항에 있어서,인쇄층 상에, 공중합 폴리에스테르, 아크릴공중합체, 스티렌공중합체, 메타크릴레이트 공중합체, 폴리스티렌, 비닐아세테이트, 폴리아미드, 알킬아크릴레이트, 우레아포름알데히드, 에폭시화 대두유, 에틸렌-비닐 아세테이트 공중합체, 우지계 올레아미드, 폴리에틸렌 글리콜 디스테아레이트, 폴리비닐리덴, 폴리올레핀계 공중합물, 우레탄 및 비닐계 수지 중에서 선택되는 단독 또는 이들의 혼합물로 이루어진 보호층을 포함하는 폴리에스테르계 증착필름.
- 제 1 항에 있어서,열수축성 폴리에스테르계 필름 기재는 두께가 35 내지 65㎛ 인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,금속증착층은 광학밀도(Optical density)가 1.0 내지 3.5 인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,열수축성 폴리에스테르계 필름 기재는 부틸렌테레프탈레이트 반복단위를 포함하는 폴리에스테르계 수지를 포함하는 것인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,열수축성 폴리에스테르 필름 기재는 테레프탈산, 옥살산, 말론산, 숙신산, 아디프산, 수베르산, 아젤라산, 세바스산, 프탈산, 이소프탈산, 나프탈렌디카르복실산, 디페닐 에테르 디카르복실산과 같은 디카르복실산을 1개 이상 포함하는 디카르복실산 성분과, 에틸렌 글리콜, 네오펜틸 글리콜, 프로필렌 글리콜, 트리메틸렌 글리콜, 테트라메틸렌 글리콜, 헥사메틸렌 글리콜, 디에틸렌 글리콜, 폴리알킬렌 글리콜, 1,4-시클로헥산 디메탄올과 같은 디올을 1개 이상 포함하는 디올 성분으로부터 수득되는 코폴리에스테르 중 선택된 적어도 1종의 코폴리에스테르를 포함하는 것인 폴리에스테르계 증착필름.
- 제 10 항에 있어서,코폴리에스테르는 디카르복실산 단위체 중 테레프탈산 단위체가 80몰% 이상 포함되고, 디올 단위체 중 에틸렌 글리콜 이외의 단위체가 12 내지 24 몰% 포함되는 것인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,열수축성 폴리에스테르 필름 기재는 일축배향 열수축성 폴리에스테르 필름 기재 또는 양방향 열수축성 폴리에스테르 필름 기재인 것인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,90℃의 온수 중에서 10초간에 걸쳐서 처리한 경우에 있어서 최대수축방향에 대한 수축율이 40 내지 80%이고, 최대수축방향의 수축개시온도가 68 내지 94℃, 최대수축방향의 최대수축발현온도가 80 내지 110℃, 최대수축응력이 0.60 내지 1.80kg/㎟인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,전광선투과율이 0.01 내지 5%인 폴리에스테르계 증착필름.
- 제 1 항에 있어서,열수축성 폴리에스테르계 필름 기재는 헤이즈가 0.3 내지 10%인 폴리에스테르계 증착필름.
- 제1항에 있어서,상세한 설명에서 정의된 휨특성치가 5mm 이하인 폴리에스테르계 증착필름.
- 제 1 항 내지 제 3항에서 선택되는 어느 한 항의 폴리에스테르계 증착필름을 포함하는 라벨이 부착된 병.
- 제 17 항에 있어서,열수 중에 침지시키는 방법으로 폴리에스테르계 증착필름이 제거되는 라벨이 부착된 병.
- 라벨이 부착될 위치에 접착제를 도포하는 공정; 및접착제가 도포된 면에 제 1 항 내지 제 3항에서 선택되는 어느 한 항에 기재된 폴리에스테르계 증착필름을 부착시키는 공정을 포함하는 라벨이 부착된 병의 제조방법.
- 제 4항의 폴리에스테르계 증착필름을 포함하는 라벨이 부착된 병.
- 제 20 항에 있어서,열수 중에 침지시키는 방법으로 폴리에스테르계 증착필름이 제거되는 라벨이 부착된 병.
- 라벨이 부착될 위치에 접착제를 도포하는 공정; 및접착제가 도포된 면에 제 4항에 기재된 폴리에스테르계 증착필름을 부착시키는 공정을 포함하는 라벨이 부착된 병의 제조방법.
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US14/005,726 US20140087107A1 (en) | 2011-03-18 | 2012-03-19 | Polyester-based metalizing film |
EP12761435.2A EP2687370B1 (en) | 2011-03-18 | 2012-03-19 | Polyester-based deposition film |
JP2014500988A JP5795678B2 (ja) | 2011-03-18 | 2012-03-19 | ポリエステル系蒸着フィルム |
CN201280023835.8A CN103534086B (zh) | 2011-03-18 | 2012-03-19 | 聚酯类金属化薄膜 |
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KR10-2011-0024434 | 2011-03-18 | ||
KR1020110024475A KR101475842B1 (ko) | 2011-03-18 | 2011-03-18 | 폴리에스테르계 증착필름 |
KR1020110024434A KR101503791B1 (ko) | 2011-03-18 | 2011-03-18 | 폴리에스테르계 증착필름 |
KR10-2011-0024475 | 2011-03-18 |
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WO2012128518A2 true WO2012128518A2 (ko) | 2012-09-27 |
WO2012128518A3 WO2012128518A3 (ko) | 2012-12-27 |
WO2012128518A9 WO2012128518A9 (ko) | 2013-02-21 |
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US (1) | US20140087107A1 (ko) |
EP (1) | EP2687370B1 (ko) |
JP (1) | JP5795678B2 (ko) |
CN (1) | CN103534086B (ko) |
WO (1) | WO2012128518A2 (ko) |
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KR101468937B1 (ko) * | 2008-09-05 | 2014-12-11 | 코오롱인더스트리 주식회사 | 폴리에스테르 필름 및 이의 제조방법 |
CN103534087B (zh) * | 2011-03-18 | 2016-02-03 | 可隆工业株式会社 | 聚酯类金属化薄膜 |
EP3175983A1 (de) * | 2015-12-03 | 2017-06-07 | Klöckner Pentaplast Europe GmbH & Co. KG | Lichtdichte schrumpffolie |
KR101943701B1 (ko) * | 2016-04-25 | 2019-01-29 | 삼성에스디아이 주식회사 | 편광자 보호 필름, 이를 포함하는 편광판 및 편광판을 포함하는 액정 표시 장치 |
CN109334123B (zh) * | 2018-10-18 | 2020-06-30 | 安徽紫金鹏印务有限公司 | 一种啤酒标签压纹用补水装置 |
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JPH0739158B2 (ja) * | 1991-08-21 | 1995-05-01 | 株式会社麗光 | 金属光沢に優れた機械自動装填可能なシュリンクフィルム |
US5725966A (en) * | 1996-01-25 | 1998-03-10 | Matsushita Electric Industrial Co., Ltd. | Heat sensitive jacket label for battery and battery with the same |
US6127024A (en) * | 1998-05-21 | 2000-10-03 | Morgan Adhesives Company | Single ply battery label including varnish with patterned edges |
KR100449147B1 (ko) * | 2001-05-23 | 2004-09-21 | 주식회사 금강고려화학 | 내컬링성이 개선된 내열수지필름 합판 비닐바닥재 |
JP2003200965A (ja) * | 2002-01-08 | 2003-07-15 | Dainippon Printing Co Ltd | 遮光性シュリンク積層体 |
JP2003225962A (ja) * | 2002-02-01 | 2003-08-12 | Oji Paper Co Ltd | 粘着ラベル付き被着体及びそのラベル剥離方法 |
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- 2012-03-19 JP JP2014500988A patent/JP5795678B2/ja active Active
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- 2012-03-19 EP EP12761435.2A patent/EP2687370B1/en not_active Not-in-force
- 2012-03-19 WO PCT/KR2012/001941 patent/WO2012128518A2/ko active Application Filing
- 2012-03-19 CN CN201280023835.8A patent/CN103534086B/zh active Active
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Also Published As
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JP5795678B2 (ja) | 2015-10-14 |
EP2687370A4 (en) | 2014-10-29 |
CN103534086B (zh) | 2016-01-20 |
JP2014515705A (ja) | 2014-07-03 |
CN103534086A (zh) | 2014-01-22 |
WO2012128518A9 (ko) | 2013-02-21 |
EP2687370A2 (en) | 2014-01-22 |
WO2012128518A3 (ko) | 2012-12-27 |
US20140087107A1 (en) | 2014-03-27 |
EP2687370B1 (en) | 2020-04-29 |
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