JPH0489300A - Suede pattern transfer foil - Google Patents

Abstract

PURPOSE:To donate a suave-looking, accommodative appearance similar to suede by forming a suede-tone resin layer containing bead pigment of specific grain diameter with an internally inflated, recessed part on the surface of a specifically formed and transferring the suede-tone resin layer to a medium for image transfer. CONSTITUTION:A suede-tone resin layer 3 which donates a suede-tone face 3a to a medium for image transfer is provided on the surface of a formed film. Then an adhesive layer 4 is provided on the resin layer 3. The formed film has a fine uneven coated layer 8 consisting of resin and fine particles 7 formed on the surface of a base 5. The surface gross value is 0.5 to 2.5% and at the same time, the surface roughness is 0.8 to 30mum. The recommended formed film base 5 is polyester film. The fine uneven coated layer 8 uses a binder resin containing spheric or spheroidal fine particles 7. Thus the center of gravity X of the fine particle 7 protrudes from the average level of a binder component coat, and a protrusion part a place where the fine particle 7 is present expands externally.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a suede-like transfer flute used for imparting an outstanding matte appearance similar to suede to an object to be transferred.

[Conventional technology]

Traditionally, in various fields such as furniture, building materials, and light electrical appliances,
As part of the design, the surfaces of these products have been made matte. As one means for making the surface of a product matte, a method is known in which a matte surface layer is transferred to the product using a transfer foil on which a matte surface layer is previously formed on a base film.

Conventional matte transfer foils have a structure in which a matte resin layer is formed on the surface of a releasable base film, and then an adhesive layer is sequentially laminated, and the matte resin layer and adhesive layer are applied to the product. It is formed so that it has a matte surface when the cloak film is peeled off after transfer.

The above-mentioned matte resin layer is made of 1) a shaped film in which fine irregularities with a surface gloss value (75° incidence) of about 3 to 8% are formed by applying surface irregularities such as sandblasting or embossing to the base film; 2) A method in which a resin layer is laminated on the shaped film using Methods such as coating on the surface have been used.

[Problem to be solved by the invention]

In recent years, there has been an increase in demand for products having excellent super-matte surfaces such as suede, and there is a desire for transfer foils that can give products a suede-like appearance.

However, in conventional transfer foils, for example, in the above transfer foil 1), the surface of the matte resin layer has a surface gloss value (75°
The transfer foil of 2) has a surface area of about 3 to 8%, has small irregularities, and has a weak matte effect (and it was not possible to obtain a suede-like appearance.)
If a matte resin layer is formed using fine particles with a particle diameter of about 30 pm, a suede-like surface can be obtained, but it is difficult to form a smooth adhesive layer, and sufficient adhesion to the transfer target is difficult. There was a problem that it was not possible to obtain In addition, when the particle size of the fine particles is reduced, sufficient adhesive strength can be obtained with respect to the adhesion to the adhesive layer, but there are problems in that the soft feel of the surface is poor and the scratch resistance of the surface is also reduced.

The present invention has been made in view of the above points, and an object of the present invention is to provide a suede-like transfer foil that gives an outstanding matte appearance similar to suede to an object to be transferred and has excellent adhesion to the object to be transferred. With the goal.

[Means to solve the problem]

The present invention is a transfer foil in which a suede-like resin layer and an adhesive layer are sequentially provided on the surface of a shaped film, and the surface of the shaped film has a surface gloss value (75° incidence) of 0.5 to 2.5.
% and has a surface roughness of 0.8 to 30 μm, the surface of the suede-like resin layer after peeling off the shaping film has a concave portion with an inwardly expanded shape, and the suede-like resin layer has a particle size of at least This is a suede-like transfer foil made of resin containing bead pigments of 1.3 to 40 μm.

(Example〕 Embodiments of the present invention will be described below based on the drawings.

As shown in FIG.
A suede-like resin layer 3 for imparting a is provided, and an adhesive layer 4 is sequentially provided on the resin layer 3.

As shown in FIG. 3, the above-mentioned shaped film 2 has a finely uneven coating layer 8 formed on the surface of a base material 5, consisting of a binder resin 6 and fine particles 7, and the finely uneven coating layer 8 has a surface gloss value. is 0.5 to 2.5% and the surface roughness is 0.8 to 2.5%.
It is 30 μm. More preferably, the shaped film 2 is
When the surface gloss value of the finely uneven coating layer 8 is 0.5 to 2.0% and the surface roughness is 1.0 to 30 μm, the suede-like resin layer provided on the shaped film has fine and Intense unevenness is formed, and a more excellent sweatshirt-like appearance can be imparted.

The surface gloss value in this case is measured by the specular gloss measurement method according to JIS Z8741, and the surface roughness is measured from the position H where fine particles 7 of the binder coating film are not present to the fine particles of the coating film. Maximum protrusion Y of 7
It is expressed in distance to.

The base material 5 of the shaped film is, for example, polyester, polyethylene, polypropylene, polyamide, acrylic, polycarbonate, polyacrylate, polyvinyl chloride,
Single films made of polyethylene terephthalate, polystyrene, polyvinyl fluoride, polytetrachloroethylene, Teflon, polyvinylidene fluoride, polyvinyl alcohol, polyetheretherketone, polyimide, polybutylene terephthalate, cellophane, etc., or by bonding these films together as appropriate. or a laminated film made by directly applying the resin, or a composite film with aluminum foil, etc. Among them, polyester film is the most preferred.

The finely uneven coating layer 8 uses a binder resin 6 to which spherical or spherical-like particles 7 are added, so that the center of gravity X of the particles 7 protrudes from the average level surface H of the binder component coating, and the particles 7 are present. It is formed so that the protrusion at the location is curved outward.

The shape of the fine particles 7 is - spherical for boat fishing; other shapes include an ellipse with a smooth surface similar to a spherical shape, an eggplant shape, a rotating body made of cardioid rotated about a symmetry axis, etc. The shape is used.

Examples of the material of the fine particles 7 include silica, alumina, calcium carbonate, precipitated barium sulfate, clay, barium cilas, henzoguanamine, and talc. The particle size of these fine particles 7 is about 0.8 to 30 μm, preferably about 1.0 to 30 μm.

The amount of fine particles 7 added to the binder resin 6 is the coating layer 8.
It can be determined as appropriate based on the surface gloss value, etc.

The binder resin 6 may be any resin that has good adhesion to the base material 5 and good releasability to the suede-like resin layer 3 when the shaped film 2 is peeled off. Binder resin 6
As the material, for example, a thermoplastic resin or an electron beam curable resin can be used. As the electron beam curable resin, polyester acrylate, urethane acrylate, 2-hydroxyethyl acrylate, neopentyl glycol diacrylate, etc. are preferable.

The suede-like resin layer 3 is formed by forming a resin layer containing at least bead pigments 9 with a particle size of 1.3 to 40 μm on the surface of the above-mentioned shaping film 2. The shaped film side surface (suede-like surface 3a) can be formed to have a concave portion 10 having an inwardly expanded shape.

As the bead pigment 9, for example, FezO3, TiO
□, CaCO3, quinacridone, etc., the surface of fine powder of ordinary pigment is coated with elastic resin such as polyurethane, acrylic, epoxy, polyester, nylon, fluorine resin, vinyl chloride vinyl acetate copolymer, etc. used. It is more preferable that the bead pigment has a particle size of 2 to 30 μm because it improves the coatability of the adhesive layer and the adhesion to the substrate without impairing the suede-like texture.

The resin material used for the suede-like resin layer 3 may be any material other than thermosetting resin, and thermoplastic resins, electron beam curable resins, etc. can be used. When the suede-like resin layer 3 is made of a thermosetting resin, there is a problem that the thermosetting temperature is high and the base material is likely to be distorted due to the high heat during curing. Examples of resin materials include acrylic, chelate-curable acrylic, and polyester urethane; two-component cure types include epochino-curable acrylic, acrylic urethane, and urethane elastomer; and electron beam-curable resins include polyester acrylate, urethane acrylate, and urethane acrylate.
-Hydroxyethyl acrylate, 2-opentyl glycol diacrylate, etc., acrylic urethane,
Urethane elastomers are preferred.

Further, the suede-like resin layer 3 may be colored arbitrarily to enhance the matte effect.

In forming the suede-like resin layer 3, suede ink in which bead pigments 9 are dispersed in a vehicle or the like is applied to the surface of the excipient film 2 by a coating method such as gravure coating or roll coating, or a printing method such as screen printing. If necessary, the resin material may be dried or hardened by heating or irradiating with ionizing radiation.

The adhesive layer 4 can be formed using an adhesive appropriately selected depending on the material of the object to be transferred, and is generally made of acrylic resin,
Adhesives made of vinyl chloride-vinyl acetate copolymer, rubber resin, thermoplastic urethane resin, etc. alone or in combination can be used.

Further, the transfer foil 1 of the present invention may be provided with a primer layer 11. By providing this primer layer 11, it is possible to facilitate the formation of an adhesive layer during the production of the transfer foil, and furthermore, after the transfer, a suede-like resin layer can be formed. 3 can be transferred more smoothly onto the object to be transferred. The primer layer 11 may be made of any material as long as it adheres closely to both the suede-like resin layer 3 and the adhesive layer 4, but it is generally made of acrylic resin, vinyl chloride-vinyl acetate copolymer, rubber resin, thermoplastic urethane resin, etc. A single substance or a mixture thereof can be used, and it can be formed by the same method as the suede-like resin layer.

The suede-like resin layer of the present invention can be applied to a variety of transfer objects by using various transfer methods such as injection molding simultaneous transfer, thermal transfer, etc., which performs transfer at the same time as injection molding. surface can be applied.

When imparting a suede-like appearance to a transferred object using the suede-like transfer foil of the present invention, as shown in FIG.
After overlapping the adhesive layer 4 so that it is in contact with the transfer target 12 and applying pressure or heat as necessary, the shaping film 2 is peeled off to give the surface of the transfer target a suede-like surface 3a. can do.

Since the suede-like resin layer 3 is formed on the surface of the excipient film 2 having the above-mentioned structure with a resin containing bead pigments having a specific particle size as mentioned above, the recessed part 10 expands inside compared to the opening part. In other words, the surface gloss value (75° incidence) on the suede-like surface 3a is 0.2 to 2.2%, and as a result, it is superior to the suede-like surface 3a. A super matte suede look is revealed.

In addition, since the particle size of the bead pigment is in the range of 1.3 to 40 μm, it has good adhesion with the adhesive layer (or brimer layer), has an excellent suede-like appearance, and has a suede-like appearance on the surface after transfer. A coating film with excellent scratch resistance of the toned resin layer can be obtained.

Next, the present invention will be explained in more detail by giving specific examples.

Example 1 Surface roughness is 1.0 μm, surface gloss value is 2.0% (75
Suede ink (■ manufactured by Showa Ink Kogyosho) in which 40% of the bead pigment with a particle size of 20 μm is dispersed on the surface of a 25 μm thick coating mat PET film (■ Release mat 1017-6 manufactured by Kimoto) Varnish Needed Ink Magic 1) is applied with a comma coater, and the amount applied is 30 when dry.
A suede-like resin layer was formed by coating to give a ratio of g/rrf.

Next, apply an adhesive (@Showa Ink Kogyosho: H) on the resin layer.
3-3W) with a comma coater, the amount applied is 25g when dry.
/m to form an adhesive layer to obtain a transfer foil.

When the obtained transfer foil was transferred to a PS base material, it was completely matte like suede and had a high design with a soft feel.
In addition, a molded article with excellent adhesion to the transfer substrate was obtained.

Example 2 Surface roughness was 1.2 μm, surface gloss value was 1.8% (75
Suede ink in which 45% of the total bead pigment with a particle size of 25 μm is dispersed on the surface of a 38 μm thick coating mat PET film (Kimoto Co., Ltd.: Release Matte A04) l Varnished ink manufactured by Showa Ink Kogyo Co., Ltd. (revised)
The amount of coating with a comma coater is 30g/rrr when dry.
A suede-like resin layer was formed.

Next, a primer (H3-CUE manufactured by Showa Ink Industries) and an adhesive (manufactured by Showa Ink Industries: H3-CUE) were applied on the resin layer.
H332) with a comma coater, the coating amount is 10 each.
A brimer layer and an adhesive layer were formed by sequentially coating the film to give a transfer film of g/rrr.

When the obtained transfer foil was transferred to a PS base material using an injection molding machine, it was completely matte like suede, had a high design with a soft feel, and had excellent adhesion to the transfer base material and was scratch resistant. A transfer layer surface with excellent properties was obtained. Note that the adhesion in this case was better than that in Example 1.

〔Effect of the invention〕

As explained above, the suede-like transfer foil of the present invention is
A suede-like resin layer containing bead pigments with a particle size of 1.3 to 40 μm and having inwardly expanded concave portions is formed on the surface of a specific excipient film, so it is possible to form a matte resin layer on a conventional excipient film. Compared to transfer foils that have been formed or transfer foils that have a matte resin layer formed using fine particles, this method allows a suede-like resin layer to be formed on a completely matte suede-like surface. By transferring the suede-like resin layer, a soft matte appearance similar to that of suede, which has an extremely high degree of matteness, can be imparted.

Furthermore, in the suede-like transfer foil of the present invention, since the suede-like resin layer is formed of a resin containing bead pigments with a specific particle size of 1.3 to 40 μm, the adhesive layer can be formed more smoothly and A suede-like surface with good adhesion to the body can be provided. In addition, the suede-like surface is 1
．． Since it does not contain fine particles less than 3 μm, it has effects such as excellent scratch resistance.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view showing an example of the suede-like transfer foil of the present invention, FIG. 2 is a longitudinal sectional view showing an example of use of the suede-like transfer foil, and FIG. 3 is a longitudinal sectional view of a forming film. 1... Suede-like transfer foil 2... Imprinting film 3... Suede-like resin layer 3a... Suede-like surface 4... Adhesive side layer 9... Bead pigment... Suede-like transfer foil 2 ... Shaped film 3a ... Suede-like surface 3 ... Suede'-like resin layer 0 ... Concave portion

Claims (1)

[Claims] A transfer foil comprising a suede-like resin layer and an adhesive layer sequentially provided on the surface of a shaped film, wherein the surface of the shaped film has a surface gloss value (75° incidence) of 0.5 to 2.5%. The surface roughness is 0.8 to 30 μm, the surface of the suede-like resin layer after peeling off the shaping film has a concave portion with an inwardly expanded shape, and the suede-like resin layer has a particle size of at least 1.3 to 40 μm. A suede-like transfer foil characterized by being made of a resin containing bead pigments.