WO2016133101A1 - Film de transfert à aspérités - Google Patents

Film de transfert à aspérités Download PDF

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Publication number
WO2016133101A1
WO2016133101A1 PCT/JP2016/054504 JP2016054504W WO2016133101A1 WO 2016133101 A1 WO2016133101 A1 WO 2016133101A1 JP 2016054504 W JP2016054504 W JP 2016054504W WO 2016133101 A1 WO2016133101 A1 WO 2016133101A1
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Prior art keywords
uneven
layer
transfer film
film
mass
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PCT/JP2016/054504
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English (en)
Japanese (ja)
Inventor
有加 松尾
充晴 中谷
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東洋紡株式会社
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Priority to JP2016514196A priority Critical patent/JP6699548B2/ja
Publication of WO2016133101A1 publication Critical patent/WO2016133101A1/fr

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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
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • C08J7/04—Coating
    • C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings

Definitions

  • the present invention relates to a concavo-convex transfer film, and more particularly to a concavo-convex transfer film for transferring a concavo-convex to a film product surface or the like used in electronic equipment articles to give a matte appearance.
  • an electromagnetic shielding film is generally used, and such an electromagnetic shielding film has a protective layer and a shielding layer.
  • the methods for producing an electromagnetic wave shielding film having the above structure there is a method using a transfer film, a protective layer is coated on the transfer film, and a shield layer and an adhesive layer are further laminated on the protective layer, The adhesive layer, the shield layer, and the protective layer are transferred onto the transfer target by a heating press.
  • the transfer film used in the manufacturing method is required to have a matte tone on the transfer surface for the purpose of designing the protective layer to be transferred, and a sandblasted film is generally used as a base film. Yes.
  • Patent Document 1 is known as a surface-treated film having surface irregularities by sandblasting or the like.
  • a conventionally proposed sandblast film such as Patent Document 1 has a problem in that the surface roughness is crushed by pressure and the surface roughness changes. Reduction of surface irregularities due to pressurization tends to cause indentation during handling, which also affects the appearance on the transfer surface, and the surface irregularities are crushed and the surface roughness is changed in the pressure pressing process, resulting in poor design. .
  • the present invention is intended to solve such a conventional problem, and an object of the present invention is to provide a concavo-convex transfer film in which surface irregularities are not easily crushed even by pressurization and are stable.
  • this invention consists of the following structures. 1.
  • One side of the film has surface irregularities, the 60 ° gloss of the surface having the surface irregularities is 20% or less, the rate of increase of 60 ° gloss after 30 seconds of pressure pressing at a pressure of 40 MPa, A concavo-convex transfer film, characterized in that it is 25% or less with respect to 60 ° gloss before the pressure pressing. 2.
  • the surface roughness Ra of the surface having surface irregularities of the film is 0.2 ⁇ m or more and 2.5 ⁇ m or less, and the reduction rate of the surface roughness Ra after performing the pressure press for 30 seconds at a pressure of 40 MPa is the pressure press
  • the film having surface irregularities on one side has an irregular layer on one side of the base film, and the irregular layer contains the resin (A) and particles (B).
  • d represents the film thickness [ ⁇ m] of the uneven layer
  • D represents the average particle diameter [ ⁇ m] of the particles (B). 5.
  • the uneven transfer film according to the third or fourth aspect wherein the average particle size of the particles (B) is 1 ⁇ m or more and 10 ⁇ m or less. 6). 6.
  • the present invention it is possible to provide a concavo-convex transfer film that is excellent in matting properties of the transfer surface and that is stable even if the surface concavo-convex is not crushed by pressure. And according to this invention, it becomes possible to provide efficiently the film for electronic devices, such as an electromagnetic wave shielding film excellent in the mat
  • the uneven transfer film of the present invention is a film having surface unevenness on one side, and may be subjected to hairline processing, sandblasting, satin processing, and shaping, for example, as shown in FIG. It is preferable that the base film 11 and the concavo-convex layer 12 are included. It is also possible to further provide a release layer 13 on the uneven layer 12.
  • the uneven layer 12 preferably contains at least a binder resin and particles 14. By including the particles 14 in the concavo-convex layer 12, it is possible to provide a concavo-convex transfer film having an appropriate surface unevenness.
  • corrugated transfer film of this invention is laminated
  • the protective layer 23 and the shield layer 22 are preferably transferred onto the transfer target 21 such as CCL for a flexible substrate.
  • an adhesive layer is further provided between the shield layer 22 and the transfer target 21. Since the surface of the uneven layer 12 of the uneven transfer film has fine unevenness, fine unevenness is transferred to the surface of the protective layer 23 laminated on the opposite surface not in contact with the uneven layer 12, It will have a tonal appearance grade. As a result, the surface on the protective layer side of the electromagnetic wave shielding film having the shield layer 22 and the protective layer 23 transferred onto the transfer target 21 has fine irregularities, and has a matte appearance quality.
  • the layer structure having a concavo-convex layer on the base film will be described as an example.
  • (Base film) Resins constituting the film used as the substrate in the present invention are polyolefin resins such as polyethylene and polypropylene, polyamide resins such as nylon 6 and nylon 66, polyethylene terephthalate, polybutylene terephthalate, polyethylene-2,6-naphthalate, polytrimethylene
  • terephthalate and copolymer components include diol components such as diethylene glycol, neopentyl glycol, and polyalkylene glycol, and dicarboxylic acid components such as adipic acid, sebacic acid, phthalic acid, isophthalic acid, and 2,6-naphthalenedicarboxylic acid.
  • a polyester resin copolymerized with can be used. Of these, polyester resins are preferred from the viewpoints of mechanical strength, chemical resistance, and heat resistance.
  • the polyester resin particularly suitably used as the base film in the present invention is polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, or polyethylene naphthalate, and these may be used in combination.
  • polyethylene terephthalate is most preferable from the balance between physical properties and cost.
  • these polyester films can improve chemical resistance, heat resistance, mechanical strength, etc. by biaxially stretching.
  • the polyester film may be a single layer or a multilayer. Moreover, as long as it exists in the range with the effect of this invention, each of these layers can contain various additives in a polyester resin as needed.
  • the additive include an antioxidant, a light resistance agent, a gelling agent, an organic wetting agent, an ultraviolet absorber, and a surfactant.
  • the base film used in the present invention may be transparent or colored. Although it does not specifically limit as a coloring method, It can color using a pigment and dye. For example, mixing a white pigment such as titanium oxide to form a white film is also preferable because the visibility can be improved.
  • the thickness of the base film used in the present invention is not particularly limited, but can be arbitrarily determined according to the standard used in the range of 12 to 500 ⁇ m.
  • the upper limit of the thickness of the base film is preferably 350 ⁇ m, and if it is 350 ⁇ m or less, there is no decrease in productivity and handling properties, which is preferable.
  • the lower limit of the film thickness is preferably 25 ⁇ m, and if it is 25 ⁇ m or more, the mechanical strength of the base film does not become insufficient, and the transfer film does not break at the time of peeling.
  • the uneven layer of the uneven transfer film of the present invention preferably contains at least the resin (A) and particles (B).
  • A the resin
  • B particles
  • corrugated layer is demonstrated.
  • the resin (A) used for the concavo-convex layer of the present invention is not particularly limited, but can be mainly composed of an acrylic resin, a polyester resin, a urethane resin, a melamine resin, an epoxy resin, or the like. 1 type may be used and 2 or more types of resin may be mixed.
  • heat and actinic radiation curable resins are preferred in terms of hardness and durability against pressure. Further, in terms of curability, flexibility, and productivity, those made of an active ray curable acrylic resin are particularly preferable.
  • the actinic ray curable acrylic resin may contain a polyfunctional acrylate, an acrylic oligomer or a reactive diluent as a polymerization curing component.
  • Acrylic oligomers include polyester acrylates, urethane acrylates, epoxy acrylates, polyether acrylates, etc., including those in which a reactive acrylic group is bonded to an acrylic resin skeleton, and rigid materials such as melamine and isocyanuric acid. A structure in which an acrylic group is bonded to a simple skeleton can also be used.
  • the reactive diluent serves as a solvent for the coating process as a coating medium, and has a group that itself reacts with a monofunctional or polyfunctional acrylic oligomer. It becomes a polymerization component.
  • those containing a photoinitiator, a photosensitizer, a thermal polymerization initiator, a modifier or the like may be used as necessary.
  • the photopolymerization initiator include acetophenone, 2,2-diethoxyacetophenone, p-dimethylacetophenone, p-dimethylaminopropiophenone, benzophenone, 2-chlorobenzophenone, 4,4′-dichlorobenzophenone, 4,4'-bisdiethylaminobenzophenone, Michler's ketone, benzyl, benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, methyl benzoyl formate, p-isopropyl- ⁇ -hydroxyisobutylphenone, ⁇ -hydroxyisobutylphenone, 2, Carbonyl compounds such as 2-dimethoxy-2-phenylacetophenone and 1-hydroxycyclohexyl phenyl ketone, tetramethylthiuram monosulfide, tetramethylthiuram disulfide, thioxanth
  • the amount of the photopolymerization initiator used is suitably 0.01 to 10 parts by mass with respect to 100 parts by mass of the resin component.
  • an electron beam or gamma ray is used as a curing means, it is not always necessary to add a polymerization initiator.
  • thermosetting resin mentioned above resin (A)
  • 1 type may be used and 2 or more types of resin may be mixed.
  • a crosslinking agent In order to further improve the durability against hardness and pressure, it is preferable to use a crosslinking agent.
  • crosslinking agent examples include isocyanate, carbodiimide, oxazoline, and silane coupling agent.
  • the coating composition used for forming the uneven layer in the present invention contains particles (B).
  • the particles (B) function to form surface unevenness in the uneven layer and impart matting properties to the transfer object.
  • the average particle size of the particles (B) used in the present invention is preferably 1 ⁇ m or more and 10 ⁇ m or less.
  • the average particle diameter is 1 ⁇ m or more, the surface unevenness effect of the uneven layer is obtained, which is preferable. More preferably, it is 2 ⁇ m or more.
  • it is 10 ⁇ m or less, there is no fear that the particles fall off, which is preferable. More preferably, it is 8 ⁇ m or less.
  • the measurement method of the average particle size of the particles was performed by observing the cross-sectional particles of the processed film with a scanning electron microscope, observing 100 particles, and setting the average value to the average particle size.
  • the shape of the particles is not particularly limited as long as the object of the present invention is satisfied, and spherical particles and irregular non-spherical particles can be used.
  • the particle diameter of the irregular shaped particles can be calculated as the equivalent circle diameter.
  • the equivalent circle diameter is a value obtained by dividing the observed area of the particle by ⁇ and calculating the square root to double.
  • the particles (B) include, for example, crosslinked polymethyl methacrylate particles, crosslinked methyl methacrylate-styrene copolymer particles, crosslinked polystyrene particles, crosslinked methyl methacrylate-methyl acrylate copolymer particles, and crosslinked alkyl for organic particles.
  • examples thereof include resin particles such as acrylate-styrene copolymer particles, crosslinked alkyl methacrylate-styrene copolymer particles, melamine / formaldehyde resin particles, benzoguanamine / formaldehyde resin particles, and polyacrylonitrile resin particles.
  • a crosslinked product is preferred from the viewpoint of durability against pressure.
  • Silica particles can be used as the inorganic particles.
  • the content of the particles (B) is preferably 20 parts by mass or more and 70 parts by mass or less with respect to 100 parts by mass of the resin component. More preferably, it is 40 parts by mass or more and 60 parts by mass or less. If it is 20 parts by mass or more, a sufficient matting property can be formed on the surface of the uneven layer. When the amount is less than 20 parts by mass, the number of convex portions due to the particles is reduced, so that the pressure applied to the particles during pressurization may increase and cracks may occur, which is not preferable. If it exceeds 70 parts by mass, the particles may fall off and the mechanical strength of the concavo-convex layer may be lowered, which is not preferable.
  • the resin component is obtained by subtracting the particles (B) from the total solid content of the uneven layer.
  • the thickness of the uneven layer preferably satisfies the following formula (1). (1/4) ⁇ D ⁇ d ⁇ (3/4) ⁇ D (1)
  • d represents the film thickness [ ⁇ m] of the uneven layer
  • D represents the average particle diameter [ ⁇ m] of the particles (B).
  • d is larger than 3/4 of D, particles are buried in the coating film, and it becomes difficult to obtain a sufficient surface unevenness effect, which is not preferable. If d is less than 1/4 of D, the pressurization durability may be lowered, which is not preferable.
  • the film thickness of the concavo-convex layer represents the film thickness of a portion where only the resin component of the concavo-convex layer is present without particles in the direction perpendicular to the base film.
  • the uneven transfer film of the present invention has a 60 ° gloss on one side having surface unevenness of preferably 20% or less, and preferably 20% or less because it is easy to impart the intended design to the transfer surface of the protective layer. . If it exceeds 20%, it is difficult to impart the intended design to the transfer surface of the protective layer, which is not preferable.
  • the surface roughness Ra of one surface having surface irregularities is preferably 0.2 ⁇ m or more and 2.5 ⁇ m or less. When Ra is less than 0.2 ⁇ m, the 60 ° gloss increases, and the matting property of the transfer surface of the protective layer tends to be insufficient, which is not preferable. On the other hand, Ra exceeding 2.5 ⁇ m is accompanied by a thick film of the concavo-convex layer, resulting in poor productivity, which is not preferable.
  • One side of the concavo-convex transfer film of the present invention having surface irregularities may have an increase rate of 60 ° gloss after applying pressure press for 30 seconds at a pressure of 40 MPa to 25% or less before applying pressure press. preferable. If the rate of increase of 60 ° gloss after pressurization exceeds 25% before pressurization, indentation may remain during handling and the impression may be transferred to the transfer surface of the protective layer and the appearance may be impaired. Unevenness is reduced in the pressing and pressing process, and the design of the transferred surface is lost, which is not preferable.
  • One side of the concavo-convex transfer film of the present invention having surface irregularities is preferably 20% or less of the reduction ratio of the surface roughness Ra after pressure pressing for 30 seconds at a pressure of 40 MPa. . If the reduction ratio of the surface roughness Ra after pressurization exceeds 20% before pressurization, indentation may remain during handling and the impression may be transferred to the transfer surface of the protective layer and the appearance may be impaired. Unevenness is reduced in the pressing and pressing process, and the design of the transferred surface is lost, which is not preferable.
  • the concavo-convex layer of the concavo-convex transfer film of the present invention may contain various additives in a range that does not impair the concavo-convexity of the concavo-convex layer.
  • the additive include fluorescent dyes, fluorescent brighteners, plasticizers, ultraviolet absorbers, pigment dispersants, foam inhibitors, antifoaming agents, leveling agents, preservatives, antistatic agents, and the like.
  • (Visibility improving additive) In order to improve visibility, it is also preferable to add a dye and / or a pigment to the uneven layer of the uneven transfer film of the present invention. Furthermore, it is one of the preferable embodiments that an anchor layer is provided between the base film and the uneven layer, and a dye and / or pigment is added to the anchor layer. Moreover, it is preferable also about the form which provides a coating layer in the surface on the opposite side to the surface which provided the uneven
  • the concavo-convex transfer film is formed by applying a coating composition containing particles that form the concavo-convex layer to the base film and curing the coating composition. It is preferable to manufacture by doing.
  • This coating solution can be applied to the substrate film by the following coating method, but is not limited to this method.
  • Known methods such as reverse roll coating method, gravure coating method, kiss coating method, die coating method, roll brush method, spray coating method, air knife coating method, wire bar coating method, pipe doctor method, impregnation coating method, curtain coating method, etc. It is done. These methods can be applied alone or in combination.
  • the coating film after drying is irradiated with active energy rays such as ultraviolet rays and electron beams.
  • the drying temperature is preferably 40 to 100 ° C.
  • the time which passes the said drying furnace is 1 second or more and less than 60 seconds.
  • UV irradiation, high-pressure mercury lamp, a fusion H lamp can be carried out by a xenon lamp or the like, the dose of ultraviolet rays, the illuminance 50 ⁇ 1000mW / cm 2, light amount 50 ⁇ 1000mJ / cm 2 is preferably about.
  • the electron beam irradiation can be performed by an electron beam accelerator or the like, and the electron beam irradiation amount is preferably about 10 to 1000 krad.
  • the drying temperature is preferably 90 to 180 ° C, more preferably 100 to 160 ° C. Moreover, it is preferable that the time which passes the said drying furnace is 1 second or more and less than 60 seconds.
  • the concavo-convex layer forming composition used in the present invention may contain an organic solvent for the purpose of improving workability during coating, controlling the coating film thickness, and forming a mixed layer with a substrate film.
  • organic solvent include alcohols such as isopropyl alcohol, methanol, and ethanol.
  • Ketones such as methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), and cyclohexanone; Esters such as methyl acetate, ethyl acetate and butyl acetate.
  • Aromatic hydrocarbons such as toluene and xylene. Alternatively, a mixture of these may be used.
  • a release layer 13 may be provided on the concavo-convex layer 12 of the concavo-convex transfer film of the present invention in order to improve the releasability of the protective layer during transfer.
  • the release agent used for the release layer 13 is not particularly limited, and a conventionally known release agent can be used.
  • a long-chain alkyl compound, a fluorine compound, a wax, a silicone compound, a polyolefin, and the like can be used. Can be mentioned.
  • a highly hydrophilic resin such as a melamine resin can be used as a release agent. These release agents may be used alone or in combination.
  • the release agent used for the release layer should not contain silicone or halogen compounds, such as long-chain alkyl compounds and melamine resins. Is preferred.
  • Examples of the long-chain alkyl compound used in the present invention include compounds such as a long-chain alkyl-modified alkyd compound and a long-chain alkyl-modified acrylic compound.
  • the film thickness of the release layer 13 is preferably 0.02 to 1 g / m 2 . If it is less than 0.02 g / m 2 , the releasability may be poor, which is not preferable. If it exceeds 1 g / m 2 , the unevenness of the uneven layer is filled, making it difficult to impart the desired design properties of the protective layer surface, which is not preferable. Therefore, even when a release layer is provided, the 60 ° gloss on the surface of the release layer is preferably 20% or less.
  • the concavo-convex transfer film of the present invention for example, by creating an electromagnetic wave shielding film, the 60 ° gloss on the protective layer surface of the electromagnetic wave shielding film can be controlled to 20% or less, and design properties can be imparted. it can.
  • the cross section was cut using a microtome (LR-85, manufactured by Daiwa Koki Co., Ltd.) in a direction perpendicular to the film of the obtained concavo-convex transfer film.
  • the cut surface was observed with an optical microscope, and the film thickness [ ⁇ m] of the resin (A) was measured.
  • the film thickness of the resin represents the film thickness of the portion where only the resin component of the concavo-convex layer is present without particles in the direction perpendicular to the base film.
  • Ten locations are measured, and the average value is taken as the thickness of the uneven layer.
  • the film was cured by irradiation with ultraviolet rays of 200 mJ / cm 2 .
  • the uneven transfer film was peeled off to obtain an uneven transfer surface on the surface of the cured protective layer.
  • the 60 ° gloss value of the uneven layer surface was measured using a gloss meter (Nippon Denshoku Industries Co., Ltd., VG-2000). Asked.
  • Example 1 An uneven layer composition was applied with a wire bar # 10 to the surface of the easy-adhesion layer side of a polyester film with an easy-adhesion layer as a base film (Toyobo Co., Ltd., Cosmo Shine (registered trademark) A4100, thickness: 50 ⁇ m). , And dried at 70 ° C. for 30 seconds. Next, an unevenness layer was formed by irradiating with ultraviolet light at 400 mJ / cm 2 with an ultraviolet irradiation device to obtain an uneven transfer film.
  • corrugated layer composition used the following coating liquid 1.
  • the following release layer composition was apply
  • Tesfine (registered trademark) 305 (manufactured by Hitachi Chemical Co., Ltd.
  • Example 2 The uneven
  • the obtained uneven transfer film was subjected to release processing in the same manner as in Example 1, and the 60 ° gloss of the transfer surface of the protective layer was evaluated.
  • Example 3 The uneven
  • FIG. Wire bar # 8 was used at the time of coating.
  • An uneven transfer film was obtained in the same manner as in Example 1 except that # 8 was used as the wire bar.
  • the obtained uneven transfer film was evaluated for 60 ° gloss, surface roughness, and uneven stability against pressure. As a result, it was a favorable result in all evaluations.
  • the following release layer composition was apply
  • the following release layer composition increased the solid content concentration as compared with Example 1.
  • Tesfine (registered trademark) 305 (manufactured by Hitachi Chemical Co., Ltd.
  • Example 4 The uneven transfer film was prepared in the same manner as in Example 3. Moreover, the following release layer composition was apply
  • Example 5 The uneven
  • the obtained uneven transfer film was subjected to release processing in the same manner as in Example 1, and 60 ° gloss of the transfer surface of the protective layer was evaluated.
  • Example 6 The uneven
  • a concavo-convex transfer film was obtained in the same manner as in Example 1 except that the coating solution 4 was used. The obtained uneven transfer film was evaluated for 60 ° gloss, surface roughness, and uneven stability against pressure. As a result, it was a favorable result in all evaluations.
  • Example 7 The uneven
  • FIG. Coating liquid 5 ⁇ Methyl ethyl ketone: 37.0% by mass ⁇ Toluene: 37.0% by mass Polyester (Byron (registered trademark) 200 / Toyobo Co., Ltd.
  • Example 8 The uneven
  • An uneven transfer film was obtained in the same manner as in Example 7 except that the coating liquid 6 was used. The obtained uneven transfer film was evaluated for 60 ° gloss, surface roughness, and uneven stability against pressure. As a result, it was a favorable result in all evaluations.
  • the obtained uneven transfer film was subjected to release processing in the same manner as in Example 1, and 60 ° gloss of the transfer surface of the protective layer was evaluated.
  • Example 9 The uneven
  • the obtained uneven transfer film was subjected to release processing in the same manner as in Example 1, and 60 ° gloss of the transfer surface of the protective layer was evaluated.
  • Example 10 The uneven
  • the following release layer composition was apply
  • the following release layer composition decreased solid content concentration compared with Example 1.
  • Tesfine (registered trademark) 305 (manufactured by Hitachi Chemical Co., Ltd.
  • the obtained uneven transfer film was subjected to release processing in the same manner as in Example 1, and the 60 ° gloss of the transfer surface was evaluated.
  • the obtained uneven transfer film was subjected to mold release processing in the same manner as in Example 1, and the 60 ° gloss of the transfer layer of the protective layer was evaluated. As a result, the 60 ° gloss of the transfer surface was high and the design property was imparted. The result was insufficient.
  • the obtained uneven transfer film was evaluated for 60 ° gloss, surface roughness, and unevenness stability against pressure. As a result, the 60 ° gloss was high and the matte property was insufficient, and the addition amount of particles was insufficient. The unevenness stability due to pressure also deteriorated.
  • the obtained uneven transfer film was subjected to mold release processing in the same manner as in Example 1, and the 60 ° gloss on the transfer surface was evaluated. As a result, the 60 ° gloss on the transfer surface of the protective layer was high and designability was imparted. The result was insufficient.
  • the present invention it is possible to provide a concavo-convex transfer film having excellent matting properties on the transfer surface and excellent ruggedness stability during pressurization. If the uneven

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  • Chemical Kinetics & Catalysis (AREA)
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Abstract

L'objectif de la présente invention est de fournir un film de transfert à aspérités stable qui résiste à un écrasement des aspérités de surface, même lorsqu'une pression est appliquée. Le film de transfert à aspérités comporte des aspérités de surface sur une surface du film, la surface qui présente les aspérités de surface possède une brillance à 60° de 20 % ou moins, et une rugosité de surface Ra de 0,2 à 2,5 μm, inclus. Le pourcentage d'augmentation de la brillance à 60° observé après avoir été soumis à un pressage pendant 30 secondes à une pression de 40 MPa n'excède pas 25 % par rapport à la brillance à 60° observée avant le pressage, et le pourcentage de réduction de rugosité de surface Ra observé après avoir été soumis au pressage n'excède pas 20 % par rapport à la rugosité de surface Ra observée avant le pressage.
PCT/JP2016/054504 2015-02-20 2016-02-17 Film de transfert à aspérités WO2016133101A1 (fr)

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Cited By (7)

* Cited by examiner, † Cited by third party
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JP2018166181A (ja) * 2017-03-28 2018-10-25 信越ポリマー株式会社 電磁波シールドフィルムおよび電磁波シールドフィルム付きプリント配線板
JP2018166180A (ja) * 2017-03-28 2018-10-25 信越ポリマー株式会社 電磁波シールドフィルムおよび電磁波シールドフィルム付きプリント配線板
JP2018166167A (ja) * 2017-03-28 2018-10-25 信越ポリマー株式会社 キャリアフィルムおよびその製造方法、ならびに電磁波シールドフィルムおよび電磁波シールドフィルム付きプリント配線板
WO2018225336A1 (fr) * 2017-06-09 2018-12-13 株式会社ダイセル Film de démoulage de moule de transfert et procédé de fabrication de corps moulé en forme de mat
WO2020203659A1 (fr) * 2019-03-29 2020-10-08 大日本印刷株式会社 Feuille de transfert et procédé de fabrication de produit moulé décoratif
CN113677494A (zh) * 2019-03-20 2021-11-19 小林股份有限公司 模具与离型膜的组合、离型膜、模具、以及成形体的制造方法

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JP2018047592A (ja) * 2016-09-21 2018-03-29 東レ株式会社 積層フィルム
JP2018166181A (ja) * 2017-03-28 2018-10-25 信越ポリマー株式会社 電磁波シールドフィルムおよび電磁波シールドフィルム付きプリント配線板
JP2018166180A (ja) * 2017-03-28 2018-10-25 信越ポリマー株式会社 電磁波シールドフィルムおよび電磁波シールドフィルム付きプリント配線板
JP2018166167A (ja) * 2017-03-28 2018-10-25 信越ポリマー株式会社 キャリアフィルムおよびその製造方法、ならびに電磁波シールドフィルムおよび電磁波シールドフィルム付きプリント配線板
KR20200011473A (ko) 2017-06-09 2020-02-03 주식회사 다이셀 전사용 이형 필름 및 매트상 성형체의 제조 방법
JP2018202840A (ja) * 2017-06-09 2018-12-27 株式会社ダイセル 転写用離型フィルム及びマット状成形体の製造方法
WO2018225336A1 (fr) * 2017-06-09 2018-12-13 株式会社ダイセル Film de démoulage de moule de transfert et procédé de fabrication de corps moulé en forme de mat
CN113677494A (zh) * 2019-03-20 2021-11-19 小林股份有限公司 模具与离型膜的组合、离型膜、模具、以及成形体的制造方法
WO2020203659A1 (fr) * 2019-03-29 2020-10-08 大日本印刷株式会社 Feuille de transfert et procédé de fabrication de produit moulé décoratif
JPWO2020203659A1 (ja) * 2019-03-29 2021-06-03 大日本印刷株式会社 転写シート及び加飾成形品の製造方法
CN113631383A (zh) * 2019-03-29 2021-11-09 大日本印刷株式会社 转印片和装饰成型品的制造方法
EP3950341A4 (fr) * 2019-03-29 2023-01-11 Dai Nippon Printing Co., Ltd. Feuille de transfert et procédé de fabrication de produit moulé décoratif
CN113631383B (zh) * 2019-03-29 2023-09-19 大日本印刷株式会社 转印片和装饰成型品的制造方法

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