WO2016204133A1 - 液圧転写用ベースフィルム - Google Patents
液圧転写用ベースフィルム Download PDFInfo
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- WO2016204133A1 WO2016204133A1 PCT/JP2016/067615 JP2016067615W WO2016204133A1 WO 2016204133 A1 WO2016204133 A1 WO 2016204133A1 JP 2016067615 W JP2016067615 W JP 2016067615W WO 2016204133 A1 WO2016204133 A1 WO 2016204133A1
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- Prior art keywords
- hydraulic transfer
- film
- base film
- mass
- parts
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/175—Transfer using solvent
- B44C1/1758—Decalcomanias applied under pressure only, e.g. provided with a pressure sensitive layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/175—Transfer using solvent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/08—Oxygen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
Definitions
- the present invention relates to a hydraulic transfer base film for producing a hydraulic transfer film used for printing on a transfer target such as a molded body having a three-dimensional surface or a curved surface having irregularities. Further, a method for producing the hydraulic transfer base film, a roll formed by winding the hydraulic transfer base film, a hydraulic transfer film formed by printing on the surface of the hydraulic transfer base film, and the roll The present invention relates to a production method and a hydraulic transfer method using the hydraulic transfer film.
- a means for forming a printed layer for imparting design properties or improving surface physical properties on the surface of a molded body having uneven three-dimensional surfaces or curved surfaces it is suitable for transfer onto a water-soluble or water-swellable film surface.
- a method using a hydraulic transfer film on which a printing layer is formed is known. For example, in Patent Document 1, after floating on the liquid surface of a liquid represented by water with the printing surface of the hydraulic transfer film facing up, various molded bodies that are transferred bodies are pushed in from above. In addition, a method for transferring a printing layer to the surface of a transfer medium using hydraulic pressure is described.
- the base film for hydraulic transfer used for manufacturing the film for hydraulic transfer is wound into a roll after being continuously formed in the form of a long film, and packed in the form of a roll.
- the roll that has been transported to the secondary processing manufacturer, etc., and then unpacked is mounted on a feeding device, and the hydraulic transfer base film unrolled from the roll is subjected to secondary processing such as printing, so that the hydraulic transfer film It is often said.
- the present invention has been made in order to solve the above-described problems, and is a base film for hydraulic transfer that is difficult to break when unrolled from the roll, a manufacturing method thereof, and a roll formed by winding the base film for hydraulic transfer.
- Another object of the present invention is to provide a hydraulic transfer film obtained by printing on the surface of the hydraulic transfer base film, a manufacturing method thereof, and a hydraulic transfer method using the hydraulic transfer film.
- the present inventors have found that according to the base film for hydraulic transfer containing a plate-like or needle-like filler having a specific average particle diameter and aspect ratio, It has been found that the adhesion between the surfaces is suppressed and the mechanical strength of the film itself is increased, and as a result, the occurrence of breakage when the film is unwound from the roll is greatly reduced.
- the present inventors have further studied based on the findings and completed the present invention.
- the present invention [1] A plate having an average particle diameter of 2 to 14 ⁇ m and an aspect ratio of 4 to 60 with respect to 100 parts by mass of polyvinyl alcohol (hereinafter, “polyvinyl alcohol” may be abbreviated as “PVA”) A single-layer base film for hydraulic transfer containing 1.5 to 15 parts by mass of acicular filler, [2] The base film for hydraulic transfer according to [1], wherein the saponification degree of PVA is 80 to 99 mol%, [3] The base film for hydraulic transfer according to the above [1] or [2], wherein the average degree of polymerization of PVA is 500 to 3,000, [4] A film-forming stock solution containing 1.5 to 15 parts by mass of a plate-like or needle-like filler having an average particle diameter of 2 to 14 ⁇ m and an aspect ratio of 4 to 60 with respect to 100 parts by mass of PVA.
- PVA polyvinyl alcohol
- a process for producing a base film for hydraulic transfer comprising a step of forming a film, [5] A roll formed by winding the hydraulic transfer base film of any one of [1] to [3] above, [6] A hydraulic transfer film obtained by printing on the surface of the hydraulic transfer base film of any one of [1] to [3] above, [7] A method for producing a hydraulic transfer film, comprising a step of feeding out the hydraulic transfer base film from the roll of [5], and a step of printing on the surface of the drawn hydraulic transfer base film, [8] The method includes the step of floating the hydraulic transfer film of [6] above on the liquid surface with the printed surface facing upward, and the step of pressing the transfer medium from above the floated hydraulic transfer film. Hydraulic transfer method, About.
- a hydraulic transfer base film that is difficult to break when unrolled from a roll, a method for manufacturing the same, a roll formed by winding up the hydraulic transfer base film, and a surface of the hydraulic transfer base film.
- a hydraulic transfer film formed by printing, a production method thereof, and a hydraulic transfer method using the hydraulic transfer film are provided.
- the base film for hydraulic transfer of the present invention contains PVA.
- the PVA includes one of vinyl esters such as vinyl acetate, vinyl formate, vinyl propionate, vinyl butyrate, vinyl pivalate, vinyl versatate, vinyl laurate, vinyl stearate, vinyl benzoate, and isopropenyl acetate. What can be obtained by saponifying polyvinyl ester obtained by polymerizing 2 or more types can be used. Among the above vinyl esters, vinyl acetate is preferable from the viewpoints of ease of production of PVA, availability, cost, and the like.
- the polyvinyl ester is preferably obtained using only one or two or more vinyl esters as monomers, and more preferably obtained using only one vinyl ester as a monomer. However, as long as it does not impair the effects of the present invention, it may be a copolymer of one or more vinyl esters and other monomers copolymerizable therewith.
- Examples of the other monomer copolymerizable with the vinyl ester include ⁇ -olefins having 2 to 30 carbon atoms such as ethylene, propylene, 1-butene, and isobutene; (meth) acrylic acid or a salt thereof; (Meth) methyl acrylate, (meth) ethyl acrylate, (meth) acrylate n-propyl, (meth) acrylate i-propyl, (meth) acrylate n-butyl, (meth) acrylate i-butyl, ( (Meth) acrylic acid esters such as t-butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, dodecyl (meth) acrylate, octadecyl (meth) acrylate; (meth) acrylamide, N-methyl ( (Meth) acrylamide, N-ethyl (meth) acrylamide, N,
- Vinyl ether vinyl cyanide such as (meth) acrylonitrile
- vinyl halide such as vinyl chloride, vinylidene chloride, vinyl fluoride, vinylidene fluoride
- Allyl compounds such as allyl acetate and allyl chloride; maleic acid or its salts, esters or acid anhydrides; itaconic acid or its salts, esters or acid anhydrides
- vinylsilyl compounds such as vinyltrimethoxysilane; unsaturated sulfonic acids be able to.
- Said polyvinyl ester can have a structural unit derived from 1 type, or 2 or more types of an above described other monomer.
- the proportion of structural units derived from the other monomers described above in the polyvinyl ester is preferably 25 mol% or less based on the number of moles of all structural units constituting the polyvinyl ester, and is 15 mol%. More preferably, it is more preferably 5 mol% or less. When the ratio exceeds 25 mol%, the affinity between the hydraulic transfer base film and the printing layer tends to be reduced.
- the above PVA may be modified with one or two or more types of graft copolymerizable monomers as long as the effects of the present invention are not impaired.
- the graft copolymerizable monomer include unsaturated carboxylic acids or derivatives thereof; unsaturated sulfonic acids or derivatives thereof; ⁇ -olefins having 2 to 30 carbon atoms, and the like.
- the proportion of structural units derived from the graft copolymerizable monomer in PVA is preferably 5 mol% or less based on the number of moles of all structural units constituting PVA.
- the above PVA may have a part of its hydroxyl group cross-linked or not cross-linked. Moreover, said PVA may react with aldehyde compounds, such as acetaldehyde and a butyraldehyde, etc. to form an acetal structure, and the said PVA does not react with these compounds and does not form an acetal structure. May be.
- aldehyde compounds such as acetaldehyde and a butyraldehyde, etc.
- the degree of polymerization of the PVA is preferably in the range of 500 to 3,000, more preferably in the range of 700 to 2,800, and in the range of 1,000 to 2,500. Further preferred.
- the degree of polymerization of PVA is equal to or more than the above lower limit, the mechanical strength of the obtained base film for hydraulic transfer is improved, and it becomes difficult to break when it is fed out from a roll.
- the degree of polymerization of PVA is less than or equal to the above upper limit, the production efficiency when producing a base film for hydraulic transfer is improved, and the water solubility of the base film for hydraulic transfer and thus the film for hydraulic transfer is increased. This makes it easier to perform hydraulic transfer at a more economical process speed.
- the polymerization degree of PVA as used in this specification means the average degree of polymerization measured according to description of JIS K6726-1994.
- the degree of saponification of the above PVA is preferably in the range of 80 to 99 mol%, more preferably in the range of 83 to 96 mol%, and still more preferably in the range of 85 to 90 mol%. .
- the degree of saponification of PVA refers to the total number of moles of structural units (typically vinyl ester units) that can be converted into vinyl alcohol units by saponification and the vinyl alcohol units of PVA. The proportion (mol%) occupied by the number of moles of vinyl alcohol units.
- the degree of saponification can be measured according to the description of JIS K6726-1994.
- the content of the PVA in the base film for hydraulic transfer is preferably 50% by mass or more, and preferably 80% by mass or more from the viewpoint of securing basic physical properties as the base film for hydraulic transfer. More preferably, it is more preferably 85% by mass or more.
- the upper limit of the content is not particularly limited as long as it satisfies the provisions of the present invention, but the content is preferably 98% by mass or less, and more preferably 97% by mass or less.
- the base film for hydraulic transfer includes a plate-like or needle-like filler having an average particle diameter of 2 to 14 ⁇ m and an aspect ratio of 4 to 60.
- needle refers to a broad concept that includes a portion having a relatively long sharp end (this is generally referred to as a spindle shape) to a portion having a long end close to a hemisphere or flat.
- the material of the filler is not particularly limited, and may be an inorganic filler or an organic filler, and examples thereof include clay, talc, and alumina. As the filler, an inorganic filler is preferable, and talc is more preferable.
- the average particle size of the filler must be in the range of 2 to 14 ⁇ m.
- the average particle size is less than 2 ⁇ m, sufficient slip properties cannot be obtained, and the membrane surfaces are easily brought into close contact with each other, and are easily broken when the hydraulic transfer base film is fed out from a roll.
- the average particle diameter is larger than 14 ⁇ m, when the hydraulic transfer base film is fed out from the roll, a hole is easily formed in the hydraulic transfer base film from the filler added portion as a starting point, and breakage easily occurs.
- the average particle diameter is preferably 3 ⁇ m or more, more preferably 4 ⁇ m or more, further preferably 5 ⁇ m or more, and preferably 13 ⁇ m or less, and 12 ⁇ m or less.
- the average particle diameter of the filler can be obtained by a laser diffraction / scattering method. Specifically, a 2% by mass aqueous dispersion of the filler to be measured is prepared, and this is prepared by laser diffraction / scattering manufactured by Horiba, Ltd. It can be determined by measuring using a particle size distribution measuring apparatus “Partica LA-950”.
- the aspect ratio of the filler needs to be 4 to 60.
- the aspect ratio is smaller than 4 or larger than 60, sufficient slip properties cannot be obtained, and the film surfaces are easily brought into close contact with each other, and are easily broken when the hydraulic transfer base film is fed out from the roll.
- the lower limit of the aspect ratio is preferably 10 or more.
- the upper limit of the aspect ratio is preferably 50 or less, more preferably 48 or less, and further preferably 45 or less.
- the aspect ratio of the filler is obtained by dividing the major axis of the filler by the minor axis. In the case of a plate-like filler, the major axis is the average particle diameter and the minor axis is the average thickness of the filler.
- the major axis may be the average length of the filler and the minor axis may be the average width of the filler.
- the average thickness, average length, and average width can all be determined from photographs taken with a scanning electron microscope (SEM), and the thickness, length, and width of any 100 fillers present in the photographs. It can be obtained by averaging each.
- SEM scanning electron microscope
- the content of the filler in the hydraulic transfer base film of the present invention is in the range of 1.5 to 15 parts by mass with respect to 100 parts by mass of PVA. If the content is less than 1.5 parts by mass, sufficient slip properties cannot be obtained, and the film surfaces are likely to be in close contact with each other, and are easily broken when the hydraulic transfer base film is unwound from a roll. On the other hand, when the content is more than 15 parts by mass, the hydraulic transfer base film becomes brittle and easily breaks when it is fed out. From such a viewpoint, the content is preferably 2 parts by mass or more with respect to 100 parts by mass of PVA, and the content is preferably 12 parts by mass or less, and is 10 parts by mass or less. Is more preferable.
- the base film for hydraulic transfer of the present invention needs to be a single layer. If the base film for hydraulic transfer is a multilayer film in which a filler layer and a coating layer containing PVA are coated on a PVA film that does not contain a filler, it is possible to impart slip properties to the resulting film. The rigidity is not enough. In this case, wrinkles are likely to occur in the multilayer hydraulic transfer base film due to the conveyance tension in the flow direction of the hydraulic transfer base film manufacturing process and printing process.
- the plasticizer is preferably a polyhydric alcohol, and specific examples thereof include ethylene glycol, glycerin, propylene glycol, diethylene glycol, diglycerin, triethylene glycol, tetraethylene glycol, and trimethylolpropane.
- the content of the plasticizer in the base film for hydraulic transfer is preferably 20 parts by mass or less, more preferably 15 parts by mass or less with respect to 100 parts by mass of PVA. If the plasticizer content exceeds 20 parts by mass, blocking may occur in the hydraulic transfer base film.
- a water-soluble polymer other than PVA can be contained in the above-mentioned base film for hydraulic transfer.
- water-soluble polymers other than PVA include, for example, dextrin, gelatin, glue, casein, shellac, gum arabic, polyacrylic acid amide, sodium polyacrylate, polyvinyl methyl ether, a copolymer of methyl vinyl ether and maleic anhydride, Examples thereof include a copolymer of vinyl acetate and itaconic acid, polyvinyl pyrrolidone, cellulose, acetyl cellulose, acetyl butyl cellulose, carboxymethyl cellulose, methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, sodium alginate and the like.
- the content of the water-soluble polymer other than PVA in the base film for hydraulic transfer is preferably 15 parts by mass or less and more preferably 10 parts by mass or less with respect to 100 parts by mass of PVA.
- the solubility and dispersibility of the hydraulic transfer film during hydraulic transfer may be lowered.
- the boron-based compound can be contained in the hydraulic transfer base film.
- the boron compound boric acid and borax are preferable.
- the content of the boron-based compound in the base film for hydraulic transfer is preferably 5 parts by mass or less, more preferably 1 part by mass or less with respect to 100 parts by mass of PVA. If the boron-based compound content exceeds 5 parts by mass, the water-solubility of the hydraulic transfer base film and the hydraulic transfer film may decrease, making it difficult to perform hydraulic transfer at an economical process speed. is there.
- the base film for hydraulic transfer may contain a surfactant.
- a surfactant There is no restriction
- the content of the surfactant in the hydraulic transfer base film is preferably 4 parts by mass or less with respect to 100 parts by mass of PVA. When the content of the surfactant exceeds 4 parts by mass, bleed out may occur and handling properties may be deteriorated.
- the hydraulic transfer base film may contain other components such as a heat stabilizer, an ultraviolet absorber, an antioxidant, and a colorant.
- the content of these other components is usually 10 parts by mass or less, more preferably 5 parts by mass or less with respect to 100 parts by mass of PVA, although it depends on the type. If the content of other components exceeds 10 parts by mass, the impact resistance of the hydraulic transfer base film may deteriorate.
- the thickness of the hydraulic transfer base film of the present invention may be appropriately selected in consideration of the balance between water solubility and process passability, but is usually in the range of 10 to 100 ⁇ m, preferably in the range of 20 to 80 ⁇ m. More preferably, it is within the range of 30 to 50 ⁇ m.
- process passability of the hydraulic transfer base film is improved.
- the thickness is less than or equal to the above upper limit, the water-solubility of the base film for hydraulic transfer, and hence the film for hydraulic transfer, is improved, and it becomes easy to perform hydraulic transfer at a more economical process speed.
- a general base film for hydraulic transfer may be a long film or a rectangular film, and in the case of a long film, the roll film is continuously rolled.
- the film can be printed on the surface while being fed out to form a hydraulic transfer film, and the film can be taken out as it is or once after being wound up in a roll, and continuously supplied to the hydraulic transfer.
- the shape is a rectangular film having a relatively short length (for example, each side is less than 1 m), even if the shape is a long film.
- it may be any, and may be a polygonal shape such as a triangle or a pentagon, or a circular shape, but a long film and a rectangular film are preferable from the viewpoint of handling at the time of hydraulic transfer, and printing or A long film is more preferable in consideration of the point that hydraulic transfer can be continuously performed.
- the length and width of the long film are not particularly limited, but from the viewpoint of productivity during printing, the length is preferably 1 m or more, more preferably 100 m or more, and 1000 m or more. Is more preferable. Moreover, as an upper limit of length, 10,000 m is mentioned, for example. On the other hand, from the viewpoint of improving productivity during printing, the width is preferably 50 cm or more, more preferably 80 cm or more, and further preferably 100 cm or more. The width is preferably 4 m or less, more preferably 3 m or less because production of a hydraulic transfer base film having a uniform thickness is easy.
- the method for producing the base film for hydraulic transfer according to the present invention is not particularly limited, but since the film having excellent processability can be easily produced, the filler is added in an amount of 1.5 to 15 with respect to 100 parts by mass of PVA. It is preferable to form a film using a film-forming stock solution containing parts by mass.
- the filler content is more preferably 2 parts by mass or more.
- the filler content is more preferably 12 parts by mass or less, and further preferably 10 parts by mass or less.
- Specific examples of such a film-forming stock solution include a film-forming stock solution containing PVA, the above filler and a liquid medium, in which PVA is dissolved or melted.
- liquid medium used for preparing the membrane forming stock solution examples include water, dimethyl sulfoxide, dimethylformamide, dimethylacetamide, N-methylpyrrolidone, ethylene glycol, glycerin, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, Trimethylolpropane, ethylenediamine, diethylenetriamine and the like can be mentioned, and one or more of these can be used.
- water is preferably used from the viewpoint of environmental load and recoverability.
- the volatile fraction of the film-forming stock solution (content ratio of a volatile component such as a liquid medium removed by volatilization or evaporation during film formation) varies depending on the film-forming method, film-forming conditions, etc., but generally 50 The content is preferably -95% by mass, more preferably 55-90% by mass, particularly preferably 60-85% by mass. If the volatile content of the membrane-forming stock solution is too low, the viscosity of the membrane-forming stock solution becomes too high, making filtration and defoaming difficult when preparing the membrane-forming stock solution, and producing a base film for hydraulic transfer with few foreign substances and defects Tend to be difficult. On the other hand, if the volatile fraction of the film-forming stock solution is too high, the concentration of the film-forming stock solution becomes too low, and it tends to be difficult to manufacture an industrial base film for hydraulic transfer.
- Examples of the film forming method when forming the base film for hydraulic transfer using the above-described film forming stock solution include a wet film forming method, a gel film forming method, a casting film forming method, and an extrusion film forming method. Can be adopted. A method based on a combination of these can also be employed.
- the casting film forming method or the extrusion film forming method is preferably employed since a film film having a uniform thickness and width and having good physical properties can be obtained.
- a T-type slit die, a hopper plate, an I-die, a lip coater die, etc. are used to rotate the film-forming stock solution around the rotating heated roll (or belt) positioned on the most upstream side. 1 which was uniformly discharged or cast on the surface, evaporated and dried from one surface of the film discharged or cast on this roll (or belt), and then disposed on the downstream side.
- Further industrially preferably adopting a method of further winding on a peripheral surface of one or a plurality of heated heated rolls or passing through a hot air drying device and further winding it with a winding device. Can do. Drying with a heated roll and drying with a hot air dryer may be performed in an appropriate combination.
- the base film for hydraulic transfer after film formation may be non-stretched, or uniaxially or biaxially stretched for the purpose of improving mechanical properties in accordance with transfer conditions during liquid surface transfer. Also good.
- the hydraulic transfer film can be obtained by printing on the surface of the hydraulic transfer base film of the present invention.
- a printing layer can be formed by employ
- the printing may be performed directly on the hydraulic transfer base film with printing ink, or once the printing layer is formed on another film, the printing is performed by transferring it to the hydraulic transfer base film. It can also be done.
- a conventionally well-known thing can be used as printing ink used for printing.
- the above-described hydraulic transfer film is floated on the surface of a liquid such as water with the printed surface facing upward, and hydraulic transfer is performed by pressing a transfer target such as various molded bodies from above. it can.
- a more detailed hydraulic transfer method for example, the first step of activating the printing layer by floating the hydraulic transfer film on the liquid surface with the printed side up and spraying an ink activator, etc.
- a hydraulic transfer method comprising each step can be mentioned.
- transfer material for example, woody substrates such as wood, plywood, and particle board; various plastics; gypsum board; fiber cement boards such as pulp cement boards, slate boards, asbestos cement boards; calcium silicates Plates; Magnesium silicate plates; Glass fiber reinforced cement; Concrete; Plates of metals such as iron, stainless steel, copper, and aluminum; and composites thereof.
- the transferred body may have a flat surface, a rough surface, or an uneven shape, but may be a transferred object having an uneven solid surface or curved surface. It is preferable that the advantage of hydraulic transfer can be utilized more effectively.
- Example 1 100 parts by mass of PVA (saponified vinyl acetate homopolymer) having a saponification degree of 88 mol% and a polymerization degree of 1,700, 2 parts by mass of glycerin, and 2 parts by mass of talc having an average particle diameter of 5 ⁇ m and an aspect ratio of 17 as a plate-like filler
- An aqueous solution containing 18% by mass of PVA is used as a film forming stock solution, which is cast on a stainless steel belt having a temperature of 95 ° C. and dried for 2 minutes to obtain a hydraulic transfer base film having a thickness of 40 ⁇ m. It was. About the obtained base film for hydraulic transfer, arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- Example 2 The thickness of the plate-like filler was the same as in Example 1 except that talc having an average particle diameter of 8 ⁇ m and an aspect ratio of 27 was used, and the amount used was changed to 10 parts by mass with respect to 100 parts by mass of PVA.
- a 40 ⁇ m hydraulic transfer base film was obtained. About the obtained base film for hydraulic transfer, arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- Example 3 The plate-like filler was used in the same manner as in Example 1 except that talc having an average particle diameter of 12 ⁇ m and an aspect ratio of 40 was used, and the amount used was changed to 10 parts by mass with respect to 100 parts by mass of PVA.
- a 40 ⁇ m hydraulic transfer base film was obtained. About the obtained base film for hydraulic transfer, arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- Example 4 Similar to Example 1 except that alumina fibers having an average particle diameter of 5 ⁇ m and an aspect ratio of 40 are used as needle-like fillers instead of plate-like fillers, and the amount used is 10 parts by mass with respect to 100 parts by mass of PVA.
- a base film for hydraulic transfer having a thickness of 40 ⁇ m was obtained.
- arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- Example 1 The plate-like filler was used in the same manner as in Example 1 except that talc having an average particle diameter of 1 ⁇ m and an aspect ratio of 3 was used, and the amount used was changed to 5 parts by mass with respect to 100 parts by mass of PVA. A 40 ⁇ m hydraulic transfer base film was obtained. About the obtained base film for hydraulic transfer, arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- Example 2 As a plate-like filler, while using talc with an average particle diameter of 0.7 ⁇ m and an aspect ratio of 5 and operating in the same manner as in Example 1 except that the amount used was 10 parts by mass with respect to 100 parts by mass of PVA, A base film for hydraulic transfer having a thickness of 40 ⁇ m was obtained. About the obtained base film for hydraulic transfer, arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- talc having an average particle diameter of 15 ⁇ m and an aspect ratio of 50 is used, and the amount used is 10 parts by mass with respect to 100 parts by mass of PVA.
- a base film for hydraulic transfer was obtained.
- arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- Example 8 The same operation as in Example 1 was conducted except that silica having an average particle diameter of 7 ⁇ m and an aspect ratio of 1 was used as a spherical filler instead of the plate filler, and the amount used was 10 parts by mass with respect to 100 parts by mass of PVA. Thus, a base film for hydraulic transfer having a thickness of 40 ⁇ m was obtained. About the obtained base film for hydraulic transfer, arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- an aqueous solution having a PVA concentration of 12% by mass, containing 100 parts by mass of PVA having a saponification degree of 94 mol% and a polymerization degree of 2,000, and 2 parts by mass of talc having an average particle diameter of 5 ⁇ m and an aspect ratio of 17 as a plate-like filler is used as a coating solution.
- arithmetic mean roughness (Ra), breaking elongation, and Young's modulus were measured according to said method. The results are shown in Table 1.
- the base film for hydraulic transfer obtained in Examples 1 to 4 has an arithmetic average roughness (Ra) of 0.030 ⁇ m or more, the film surfaces are hardly adhered to each other, and the film itself has high mechanical strength. It was difficult to break when unrolling from the roll.
- Ra arithmetic average roughness
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Abstract
Description
[1]ポリビニルアルコール(以下、「ポリビニルアルコール」を「PVA」と略記することがある)100質量部に対して、平均粒子径が2~14μmでありアスペクト比が4~60である板状または針状のフィラーを1.5~15質量部含む単層の液圧転写用ベースフィルム、
[2]PVAのけん化度が80~99モル%である、上記[1]の液圧転写用ベースフィルム、
[3]PVAの平均重合度が500~3,000である、上記[1]または[2]の液圧転写用ベースフィルム、
[4]PVA100質量部に対して、平均粒子径が2~14μmでありアスペクト比が4~60である板状または針状のフィラーを1.5~15質量部含む製膜原液を用いて製膜する工程を有する、液圧転写用ベースフィルムの製造方法、
[5]上記[1]~[3]のいずれか1つの液圧転写用ベースフィルムが巻き取られてなるロール、
[6]上記[1]~[3]のいずれか1つの液圧転写用ベースフィルムの表面に印刷を施してなる液圧転写用フィルム、
[7]上記[5]のロールから液圧転写用ベースフィルムを繰り出す工程と、繰り出された液圧転写用ベースフィルムの表面に印刷を施す工程とを有する液圧転写用フィルムの製造方法、
[8]上記[6]の液圧転写用フィルムを印刷が施された面を上にして液面に浮かべる工程と、浮かべた液圧転写用フィルムの上方から被転写体を押し付ける工程とを有する液圧転写方法、
に関する。
本発明の液圧転写用ベースフィルムはPVAを含む。当該PVAとしては、酢酸ビニル、ギ酸ビニル、プロピオン酸ビニル、酪酸ビニル、ピバリン酸ビニル、バーサティック酸ビニル、ラウリン酸ビニル、ステアリン酸ビニル、安息香酸ビニル、酢酸イソプロペニル等のビニルエステルの1種または2種以上を重合して得られるポリビニルエステルをけん化することにより得られるものを使用することができる。上記のビニルエステルの中でも、PVAの製造の容易性、入手容易性、コスト等の点から、酢酸ビニルが好ましい。
KEYENCE社製形状測定レーザマイクロスコープ「VK-X200」を用いて測定した。具体的には、液圧転写用ベースフィルムの一方の面上で任意に5箇所を測定位置として定め(個々の測定位置の面積は20mm2)、各測定位置において個々の算術平均粗さ(Ra)を測定し、その平均値を算出して液圧転写用ベースフィルムの算術平均粗さ(Ra)とした。算術平均粗さ(Ra)が0.030μm以上のときに膜面同士が密着しにくくなるため、「A」(良好)と判定し、算術平均粗さ(Ra)が0.030μm未満であるときに膜面同士が密着しやすくなるため、「B」(不良)と判定した。
幅15mmにカットした液圧転写用ベースフィルムを、15℃、40%RHの雰囲気のもとで1週間調湿した後、オリエンテック社製テンシロンUTM-4Lで引張り試験を行い、破断伸度を求めた。なお、チャック間隔は150mm、引張り速度は1,000mm/分とした。破断伸度が10%以上の場合を「A」(良好)と判定し、破断伸度が10%未満である場合を「B」(不良)と判定した。
上記の破断伸度の測定と同じ操作を行い、ヤング率が4400MPa以上の場合を「A」(良好)と判定し、ヤング率が4400MPa未満である場合を「B」(不良)と判定した。
けん化度88モル%、重合度1,700のPVA(酢酸ビニルの単独重合体のけん化物)100質量部、グリセリン2質量部、板状フィラーとして平均粒子径5μmでアスペクト比17のタルク2質量部を含みPVAの濃度が18質量%の水溶液を製膜原液として用い、これを温度95℃のステンレス製ベルト上に流延し、2分間乾燥して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径8μmでアスペクト比27のタルクを用いるとともに、その使用量をPVA100質量部に対して10質量部に変更したこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径12μmでアスペクト比40のタルクを用いるとともに、その使用量をPVA100質量部に対して10質量部に変更したこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーの代わりに針状フィラーとして平均粒子径5μmでアスペクト比40のアルミナ繊維を用いるとともに、その使用量をPVA100質量部に対して10質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径1μmでアスペクト比3のタルクを用いるとともに、その使用量をPVA100質量部に対して5質量部に変更したこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径0.7μmでアスペクト比5のタルクを用いるとともに、その使用量をPVA100質量部に対して10質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径2μmでアスペクト比3のタルクを用いるとともに、その使用量をPVA100質量部に対して10質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径5μmでアスペクト比17のタルクを用いるとともに、その使用量をPVA100質量部に対して1質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径8μmでアスペクト比27のタルクを用いるとともに、その使用量をPVA100質量部に対して20質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径15μmでアスペクト比50のタルクを用いるとともに、その使用量をPVA100質量部に対して10質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーとして、平均粒子径7μmでアスペクト比70のタルクを用いるとともに、その使用量をPVA100質量部に対して10質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
板状フィラーの代わりに球状フィラーとして平均粒子径7μmでアスペクト比1のシリカを用いるとともに、その使用量をPVA100質量部に対して10質量部としたこと以外は、実施例1と同様に操作して、厚み40μmの液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
けん化度88モル%、重合度1,700のPVA(酢酸ビニルの単独重合体のけん化物)100質量部、グリセリン2質量部を含み、PVAの濃度が18質量%の水溶液を製膜原液として用い、これを温度95℃のステンレス製ベルト上に流延し、2分間乾燥して、厚み40μmのフィルムを得た。次いで、けん化度94モル%、重合度2,000のPVA100質量部、板状フィラーとして平均粒子径5μmでアスペクト比17のタルク2質量部を含有する、PVA濃度12質量%の水溶液をコート液とし、グラビア幅54cmのグラビアロールを用いて上記フィルムに15m/分の速度でコートし、直ちに100℃の熱風で30秒間乾燥し、厚み1.9μmのコート層を有する多層の液圧転写用ベースフィルムを得た。得られた液圧転写用ベースフィルムについて、上記の方法に従って、算術平均粗さ(Ra)、破断伸度およびヤング率を測定した。結果を表1に示した。
Claims (8)
- ポリビニルアルコール100質量部に対して、平均粒子径が2~14μmでありアスペクト比が4~60である板状または針状のフィラーを1.5~15質量部含む単層の液圧転写用ベースフィルム。
- ポリビニルアルコールのけん化度が80~99モル%である、請求項1に記載の液圧転写用ベースフィルム。
- ポリビニルアルコールの平均重合度が500~3,000である、請求項1または2に記載の液圧転写用ベースフィルム。
- ポリビニルアルコール100質量部に対して、平均粒子径が2~14μmでありアスペクト比が4~60である板状または針状のフィラーを1.5~15質量部含む製膜原液を用いて製膜する工程を有する、液圧転写用ベースフィルムの製造方法。
- 請求項1~3のいずれか1項に記載の液圧転写用ベースフィルムが巻き取られてなるロール。
- 請求項1~3のいずれか1項に記載の液圧転写用ベースフィルムの表面に印刷を施してなる液圧転写用フィルム。
- 請求項5に記載のロールから液圧転写用ベースフィルムを繰り出す工程と、繰り出された液圧転写用ベースフィルムの表面に印刷を施す工程とを有する液圧転写用フィルムの製造方法。
- 請求項6に記載の液圧転写用フィルムを印刷が施された面を上にして液面に浮かべる工程と、浮かべた液圧転写用フィルムの上方から被転写体を押し付ける工程とを有する液圧転写方法。
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JP2003104436A (ja) * | 2001-09-28 | 2003-04-09 | Kuraray Co Ltd | アルカリ性物質包装用水溶性フィルム |
WO2010082522A1 (ja) * | 2009-01-13 | 2010-07-22 | 株式会社クラレ | 水圧転写用多層ベースフィルム |
JP2011046188A (ja) * | 2009-07-29 | 2011-03-10 | Nippon Synthetic Chem Ind Co Ltd:The | 液圧転写印刷用ベースフィルム及びそれを用いた転写方法 |
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JP2021066154A (ja) * | 2019-10-28 | 2021-04-30 | 凸版印刷株式会社 | 水圧転写シート |
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TW201708364A (zh) | 2017-03-01 |
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US10576777B2 (en) | 2020-03-03 |
CN107635791A (zh) | 2018-01-26 |
KR102504426B1 (ko) | 2023-02-27 |
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US20180111410A1 (en) | 2018-04-26 |
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