JPS61291199A - Manufacture of transfer sheet - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of industrial application] The present invention relates to a method for manufacturing a transfer sheet, and more specifically, a method for producing a transfer sheet by forming a partial gold film layer on a hologram pattern forming area.
Form 7 grams and combine the pattern layers ・January Y
This invention relates to a method for manufacturing a transfer sheet.

[Conventional technology]

Conventionally, as a method of manufacturing a transfer sheet that has a partial metal thin film layer and a pattern layer on the surface of the base material? , 11, a delamination layer is formed, a desired pattern is printed on the surface of the release layer using a pattern forming ink, a heat-resistant resin layer is formed on top of that, and a metal thin film is formed on the surface of the heat-resistant resin layer using a water-soluble ink. After applying the stamp El+ to the corresponding part of the unnecessary part, a metal thin film layer is formed on the surface of the heat-resistant resin layer starting from the printed part -. Thereafter, the portion printed with the water-soluble ink is removed by washing with water to form a partial metal thin film layer, and then a heat-sensitive adhesive layer is formed from the partial metal thin layer 19 to the heat-resistant resin layer surface. A method for obtaining a transfer sheet is known.

[Problem that the invention seeks to solve]

However, when transfer sheets obtained by conventional methods are transferred to an object, the metal thin film layer deforms and becomes cloudy, resulting in poor decorative properties, and the sound ejection provided with the metal thin film layer often disappears or is often damaged. Was.

When transferring a transfer sheet, apply a high temperature of 160 to 250 degrees Celsius from the direction of the substrate. 7) After bonding the rollable body and the heat-sensitive adhesive layer of the transfer sheet, perform step 4)! , 11 is carried out, but at this time, since the pattern is formed on the top of the heat-resistant resin layer, the pattern shrinks and deforms due to the heat during transfer, and the heat-resistant resin layer and partial metal thin film layer are accordingly deformed, and the metal The thin film layer loses its luster and is destroyed.

The present invention has been made in view of the drawbacks of the prior art described in 2. It is possible to produce a transfer sheet that does not cause deformation of the metal thin film layer during transfer and does not cause the metal thin film layer to lose its luster. An object of the present invention is to provide a method for manufacturing a transfer sheet, which can manufacture a transfer sheet having a beautiful bow-shaped pattern using a partial metal thin film layer and a hologram pattern.

[The first step to solving the problem] In order to solve the above problem, the present inventors conducted sound research on 9)', and as a result, formed a hologram 1 and a pattern layer on the surface of the ff1i Nl1 layer, and formed a pattern layer on the pattern layer. After forming a partial metal thin T19 layer by etching, a desired pattern is printed in the erased areas of the pattern layer using ink for pattern formation. L6] 1, it was found that it was possible to produce a beautiful and highly decorative transfer sheet that did not suffer from defects such as deformation of the metal thin film layer during transfer, and thus completed the present invention.

That is, 4, invention, heat resistant group + 4 surface! 11
forming a delamination, said I1. +I gl1 layer surface with ho1-]
A hologram 1 having a pattern is formed on the surface of the hologram J, a metal γi film layer is formed on the surface of the pattern layer, and at least the above-mentioned hologram 1 is formed on the metal thin film layer.
, the pattern part is acid resistant or alkali resistant.
In: After applying 1-, remove the metal thin film layer of 1-1 with a mixture of acid or lukewarm water, and then remove the metal thin film layer marked with 1-1, then apply Galley J,
Mark the desired pattern at 11 locations on the pattern layer using a pattern forming ink.
Thereafter, if necessary (7) I!' of transfer sheet 1, which has a special feature of forming an adhesive layer by printing with a heat-sensitive transfer sheet 1f-(ink). .

〔Example〕

Below, embodiments of the present invention will be described in detail with reference to the drawings.

In the method of the present invention, first, as shown in FIG. 1(A), a release layer 2 is formed on the surface of a heat-resistant base material 1, and a heat-resistant resin layer 3 is formed on the surface of the release layer 2. In the present invention, since the hologram pattern layer described later has heat resistance, it is not necessary to provide a heat-resistant resin layer, but in order to obtain better heat resistance when transferring the transfer sheet, a heat-resistant resin layer is provided. It is more preferable.

The base material used in the present invention has a thickness of 10 to 75 μm.
Examples of the material for the release layer include acrylic resin, chlorinated rubber, etc., and if necessary, a release agent such as silicone or wax is added (addition ratio 0.05). ~3%) is also possible.

In addition, examples of the heat-resistant resin layer (quality) include urekun resin, epoxy resin, etc., and if necessary, the above resins may be mixed with fibrous resin such as nitrocellulose, melamine-based 43.j resin, etc. Mixing ratio of resin, melamine resin, etc. 1 to 5
0 heavy goods%) → J can also be used.

Examples of the forming force method for the above-mentioned release layer and heat-resistant resin layer include coating formation such as roll coat 1. and gravure coating, and the thickness of each layer is 0.3 to 57 mm, preferably 4 mm.
; J: 0.5-3 Coating and forming on II.

In the present invention, after forming the heat-resistant resin layer, a porographic 9 pattern layer 4 is formed on the surface of the heat-resistant resin layer 3, as shown in FIG. 1(b). Further, a hologram pattern 5 is formed on the surface of the pattern layer 4.

While the hologram pattern layer 4 formed by a normal transfer hologram forming method and provided on the surface of the heat-resistant resin layer 3 is in a softened state (■), the hologram master 6 having the desired hologram pattern is transferred to the hologram pattern 5. The hologram l,
It is formed by curing the pattern layer 4.

As the resin 7 for forming the hologram pattern layer 4, a transparent lf resin such as a purple one-ray curable resin, an electron beam curable resin, or a thermosetting resin is used.

In the present invention, after forming a holographic pattern layer with a holographic pattern, as shown in FIG. After printing, the hologram J, pattern 5 and other parts on the surface of the metal thin film layer 7 are printed with an acid-resistant or alkaline ink to form an ink layer 8.

Examples of the metal used to form the metal thin film layer 7 include aluminum, chromium, copper, etc. Among them, aluminum is the most preferred. The metal thin film layer 7 is formed by vacuum evaporation, sputtering, ion blasting, etc., and the thickness of the metal 'rW B'U layer 7 is 11.
:IO0-800 people, preferably 300-600 people.

- As the ink for forming the ink layer 8, an ink having an adhesion of +41 to the metal thin film layer 7 is used,
Examples include those using a vehicle such as vinyl chloride-vinyl acetate copolymer, nitrocellulose, urethane, saturated polyester, or acrylic resin. Ink layer 8 (1
1) Silk screen printing is a printing forming force method.
Printing means such as Fusesoto screen printing and gravure printing can be used, and the thickness thereof is 0.5 to 5 μm.

In the present invention, after forming the ink layer, as shown in FIG.
As shown in FIG. 1, the layered product shown in FIG. A hologram 1O is formed from the partial metal thin film layer 9. The hologram 10 can have both decorative and display properties. Further, a planar partial metal thin film layer 9 is formed on the portion where the ink layer is applied other than the hologram pattern 5 portion.

As the acid solution used in the above etching treatment, an aqueous solution of hydrochloric acid, silicic acid, nitric acid, phosphoric acid, etc. is used.
A temperature of ON is preferred. As an alkaline solution, ice such as dithorium hydroxide or ammonium hydroxide? A combined solution is used and a concentration of 0.1 to IOH is preferred. After the immersion in the acid or alkaline solution is completed, any residual acid or alkaline solution on the laminate is neutralized, washed with water, and dried.

In the present invention, after removing the metal thin film layer in the part where the ink 1 has deteriorated, a desired pattern layer 11 is formed on any part of the hologram pattern layer 4 with pattern forming ink, as shown in FIG. 1(e). is printed, and then, if necessary, an adhesive layer 12 is formed using thermal transfer ink to obtain a transfer sheet 13.

The pattern layer 11 prints characters, figures, symbols, patterns, etc.
The layer 11 may be provided on the heat-resistant resin 3 in contact with the hologram 10, or may be provided on the heat surface 3 at a position apart from the hologram 10, or as shown in FIG. Set up LJ by combining both shown in (B).
It's okay. In this way, the design effect can be improved by placing the pattern layer overlapping with the hologram or around it.

When forming the pattern layer by printing, an ink that has adhesiveness to the ink used for printing the ink layer is used, and this ink includes acrylic resin,
Inks made of vinyl chloride-vinyl acetate copolymer, polyester, urethane, nitrocellulose, chlorinated rubber, vinyl chloride, etc. as a vehicle are mentioned, and inks made of acrylic resin, vinyl chloride-convex vinyl acetate copolymer are preferred. Can be mentioned. Examples of the printing method for forming the pattern layer include methods of printing using printing means such as silk screen printing, offset screen printing, and gravure printing, and the thickness of the layer is 0.5 to 5 μm.

The adhesive layer is provided to bond the transfer sheet to the object to be transferred, and the +J quality of this layer uses heat-sensitive ink, such as acrylic resin, vinyl chloride, etc. - Inks made of vinyl acetate copolymer, chlorinated rubber, vinyl chloride, etc., can be mentioned, but among them, it is preferable to use inks with a low melting temperature. +1, roll coating, gravure coating, silk screen printing, etc. are used as a means for forming the attractive agent layer. The adhesive layer does not need to be provided when the pattern layer and the ink layer have adhesive properties, and can be formed as necessary.

When actually using the transfer sheet 1- obtained as described above, the transfer sheet 113 is placed on the object to be transferred 14 as shown in FIG. 2, heat and pressure is applied, and the base material 1 is immediately peeled off. The base material 1 is peeled off between the peeling layer 2 and the display portion formed by the hologram 10 and printed characters, figures, etc. are transferred to the transfer target 14. At this time, there are two types of transfer sheet transfer: front transfer and back transfer. In the case of front transfer, the transferred transfer sheet becomes the front surface, that is, the Porographic J1, pattern layer, etc. formed on the transfer sheet is constructed so that it can be observed from the transfer side of the transfer sheet.

On the other hand, in the case of back transfer, the transferred object is the front surface, and the hologram, pattern layer, etc. of the transfer sheet can be observed through the transferred object. must be transparent.

Therefore, when manufacturing the transfer sheet used for surface transfer,
The hologram, letters, patterns, etc. on the picture layer must have the opposite shape, that is, it must have a 7-ga composition of the reciprocating film. - Transfer sheet 1 used for all transfers
When manufacturing ~II, the characters and patterns may be formed as they are.

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

25# thick polyester film (9.+!

S-10) -, lx was coated with acrylic resin on the entire surface by roll coating to a thickness of +1, and then urethane was mixed with nitrocellulose (mixing ratio of trocellulose was 30% by weight). It was applied to a thickness of 1μ. Next, apply acrylic melamine-based Shiyu 1-line curable resin uniformly over the entire surface with a thickness of 20μ using a rehanu coater, then press Polofurano 4 Master against the UV-curable resin and peel off the purple line to create the desired characters.
The picture etc. is 11 graphics, and the pattern is 1L. Next, aluminum is vacuum-deposited (400 mm thick), and then a vinyl chloride-dinyl Mllate copolymer is applied to the aluminum-deposited surface 1-, which corresponds to the area where the hologram pattern is formed. In-1 (manufactured by Dairo Seika Co., Ltd.: VM Bar Ink) was used to print a roll with a thickness of 317 mm using silk screen printing.

”Second laminate sheet? Immerse it in a sodium hydroxide aqueous solution (40℃) with an R degree of 0.25N for about 20 seconds to neutralize the residual adhesion of sodium hydroxide and the aqueous solution, then wash it with water and place it in an L dryer (400℃). The remaining moisture was removed by drying to form a partially deposited aluminum layer. After that, ink with acrylic resin vehicle (manufactured by Showa Ink: TA
1. Print a desired pattern using silk screen printing (SS ink) on a roll to a thickness of 511 mm. Heat-sensitive adhesive made of acrylic resin (manufactured by Showa Ink: H3)
32G) was coated on the entire surface by roll coating to obtain a transfer sheet having a hologram.

Using the obtained transfer sheet, hot roll transfer was performed on the surface of an acrylic resin plate at a temperature of about 190°C, and the hologram formed had good decorative properties together with the pattern layer. It had excellent adhesion to the acrylic transparent plate.

〔Effect of the invention〕

1≧l As explained above, according to the method of the present invention, the decorative properties of the hologram and the pattern layer act synergistically, and a very beautiful and highly decorative transfer sheet can be obtained. It is possible to easily obtain a good transfer sheet that can be transferred to a transfer body without losing its decorative properties.

[Brief explanation of the drawing]

Drawing d shows an embodiment of the present invention, and FIG.
The figure is a longitudinal sectional view showing a state in which a transfer sheet obtained by the present invention is transferred to a transfer target. 1... Base material 2... Peeling layer 4... Hologram pattern layer 5... Hologram pattern 7... Metal thin film layer 8... Ink layer 11... Pattern layer 12... Adhesive Layer 13...Transfer sheet 1-1st section

Claims (1)

[Claims] A release layer is formed on the surface of a heat-resistant base material, a hologram pattern layer having a hologram pattern is formed on the surface of the release layer, a metal thin film layer is formed on the surface of the hologram pattern layer, and at least one layer on the metal thin film layer is formed. After printing the hologram pattern part with acid- or alkali-resistant ink, remove the metal thin film layer other than the printed part with an acid or alkaline solution, and then use it to form a pattern on any part of the hologram pattern layer. A method for producing a transfer sheet, comprising forming a pattern layer by printing a desired pattern with ink, and then forming an adhesive layer by printing with heat-sensitive transfer ink as needed.