JPH0615985A - Printing recording sheet having thermal breakdown recording layer - Google Patents

Abstract

PURPOSE:To enable recording display due to a plurality of colors without using thermal ribbons corresponding to the number of colors when recording display due to hue displays of a plurality of colors is performed on a recording sheet by a thermal head. CONSTITUTION:A printing recording sheet having a thermal breakdown recording layer is characterized by laminating a substrate colored layer 2, a metal vapor deposition layer 4 and a surface colored layer 5 on the surface of a base sheet 1 in this order and, if necessary, laminating a transparent protective layer 6 on the surface colored layer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a print recording sheet having a thermal breakdown recording layer in which a thermal breakdown recording layer composed of a metal vapor deposition layer is laminated.

[0002]

2. Description of the Related Art Conventionally, as a method for recording and printing on a print recording sheet by using a recording print head, a thermal head (a dot matrix flat heating element, or a thermal printing head for thermal recording using a stroke pin type dot heating element, etc.) There is a transfer recording system in which a heat-sensitive transfer ribbon for coloring (thermal ribbon) and a recording sheet (recording paper) are used to perform a desired color pattern or color printing on the sheet for recording.

FIG. 5 is a schematic side view showing an example of a conventional thermal transfer recording system, and a roll-shaped recording sheet 22 mounted on an unwinding shaft 21 of a thermal transfer recording apparatus 20 as appropriate.
The (recording paper) is appropriately unwound by an in-feed roll 21a or the like, and the thermal heads 25, 2 are arranged along the path of the unwound recording sheet 22.
6 (Rolling thermal ribbons 23, 24 are respectively wound underneath 6 (thermal head of a planar heating element in which a plurality of thermal dots are regularly arranged in a matrix), and the colored transfer layers 23a, 24a are formed on the recording sheet. The thermal ribbons 23 and 24 are respectively fed to the surface of the recording sheet 22 by causing a desired thermal dot of the plurality of thermal heads (not shown) of the thermal heads 25 and 26 to be heated so as to face each other. Colored transfer layers 23a, 24
a is sequentially transferred by heating to a recording pattern shape, and colored prints 23b and 24b are printed, respectively.

[0004]

In order to perform recording using a plurality of color tones on the recording sheet 22 according to the above recording method, the thermal ribbons 27 of a plurality of colors corresponding thereto are used.
It is necessary to set the plurality of thermal ribbons 27 to each other, and to feed and feed a new colored surface of the thermal ribbon 27 so as to be aligned with the feeding and feeding of the recording sheet 22. It takes time and the thermal heads 25, 26
The recording device such as the ribbon feeding mechanism including is large-scaled.

According to the present invention, when recording and displaying a plurality of color tones on a recording sheet with a thermal head, it is possible to record and display a plurality of colors without using the number of thermal ribbons corresponding to the number of colors. To do.

[0006]

The first invention of the present invention is as follows:
On the surface of the base material sheet 1, a base coloring layer 2 and a metal vapor deposition layer 4
And a surface coloring layer 5 and, if necessary, a transparent protective layer 6 on the surface coloring layer in this order, which is a print recording sheet having a thermal destruction recording layer.

A second invention of the present invention is that the base coloring layer 2, the metal vapor deposition layer 4, and the surface coloring layer 5 are formed on the surface of the substrate sheet 1.
And a transparent protective layer 6 in this order on the surface colored layer, if necessary, on the back surface of the substrate sheet 1, the pressure-sensitive adhesive layer 7,
Alternatively, the release recording sheet 8 is laminated via the pressure-sensitive adhesive layer 7, which is a print recording sheet having a thermal destruction recording layer.

[0008]

EXAMPLES The print recording sheet of the present invention will be described in detail with reference to the side sectional view of the print recording sheet A in the embodiment of the present invention shown in FIG. 1 (a). The base sheet 1 is polyethylene terephthalate. A synthetic resin film such as a thermoplastic resin such as polypropylene or polyvinyl chloride, or a thermosetting polyester resin is used, or paper or a composite sheet of paper and a synthetic resin film.

The thickness of the base material sheet 1 is suitably about 15 μm to 100 μm when the print recording sheet is used as a roll recording recording tape, and when it is used as a sheet or a card. Is 100 μm to 30
About 0 μm is suitable, but the present invention is not particularly limited to this.

On the entire surface of the base sheet 1, printing inks of various colors such as white, blue, green, yellow and red, or printing inks of cyan, magenta and yellow are used in a solid manner over the entire surface thereof. The underlying coloring layer 2 is applied by a printing method such as a gravure printing method, an offset printing method, or a screen printing method. Alternatively, the base color layer 2 may be formed on the surface of the base sheet 1 by using the above-mentioned printing ink on a part of the surface of the base material sheet 1 in an appropriate line drawing pattern or in a pattern having a gradation of gradation using halftone dots. It is possible. The printing ink used for printing the base color layer 2 is
It is desirable to use a relatively heat-resistant material.

On the underlying colored layer 2, for example, 0.0
A transparent anchor coat layer 3 having a thickness of about 5 mm to 0.5 mm is provided to improve the adhesiveness to a metal vapor deposition layer 4 to be laminated on the transparent anchor coat layer 3 and to laminate the underlying colored layer 2 and the upper side thereof. It is an intermediate resin layer between the metal vapor deposition layer 4 and the metal vapor deposition layer 4.

For the anchor coat layer 3, a thermoplastic (thermofusible) synthetic resin such as polyvinyl chloride, polystyrene, or acrylic can be used, and an isocyanate resin (for example, a polyurethane resin) having good adhesiveness to a metal. An epoxy resin, a ketone resin, or the like can be used.

A metal vapor deposition layer 4 obtained by vacuum vapor deposition of a metal such as aluminum or tin on the anchor coat layer 3
Has been applied. The metal vapor deposition layer 4 has a temperature of 180 ° C to 250 ° C.
It has a heat-destructible property such that it is easily melted by heating at around ℃, and its thickness is at the melting point of the metal vapor deposition layer 4 heated by the pinpoint heating operation described later, and a defect due to aggregation of the molten metal. It is necessary to have a thickness such that a region (a metal vapor deposition layer opening portion) is generated and the underlying colored layer 3 appears, and the vapor deposition layer thickness is 1 × 10 ⁻⁴ μm to 1 ×.
A range of 10 ^-1 μm is suitable.

The metal vapor deposition layer 4 exhibits the color tone (for example, silver color) of the vapor-deposited metal itself, or
The surface may be colored with a paint or printing ink having an appropriate color tone. The surface of the metal vapor deposition layer 4 is
It is desirable to have a glossy smooth surface with relatively good light reflection performance, or a mirror surface state that is as smooth as possible, but in some cases, it exhibits a rough surface state (light diffusion) with appropriate roughness. May be.

On the metal vapor deposition layer 4, the entire surface thereof,
Alternatively, the surface is colored in a solid pattern, or in a line-drawing pattern or a pattern with a gray scale using halftone dots by a printing method such as a gravure printing method, an offset printing method, or a screen printing method. Layer 5 has been applied.

The printing ink used for printing the surface coloring layer 5 may be a printing ink having such transparency that the metal vapor-deposited layer 4 therebelow can be seen through the surface coloring layer 5.

Further, the printing ink used for printing the surface coloring layer 5 has a melting point such that it is easily melted by a pinpoint heating operation (heating operation of about 180 ° C. to 250 ° C.) with a thermal dot of a thermal head. In addition, the surface coloring layer 5 is integrally incorporated into the agglomerated metal of the metal vapor deposition layer 4 which is melted by a pinpoint heating operation, and the surface coloring layer 5 has a defect opening portion. It is a printing ink to the extent that it occurs, and ordinary printing ink can be used.

FIG. 1 (b) is a side sectional view of a print recording sheet B of another embodiment of the print recording sheet of the present invention, and the print recording sheet A shown in the embodiment of FIG. 1 (a). Is a print recording sheet provided with a transparent surface protective layer 6 on the surface coloring layer 5 of, for example, polyvinyl chloride, polyvinyl chloride-vinyl acetate copolymer resin, polyolefin resin, polyester resin (saturated polyester, It is a laminate of a transparent surface protective layer 6 using a thermoplastic resin such as unsaturated polyester), a heat-crosslinking curable resin, or a mixed resin thereof.

FIG. 2 is a side sectional view of a print recording sheet C of another embodiment of the print recording sheet of the present invention,
An adhesive layer 7 is applied to the back surface of the base sheet 1 of the print recording sheet B in another embodiment shown in FIG. 1B, and a release sheet 8 is temporarily adhered to the adhesive layer 7 in a peelable manner. It can be used as an adhesive tape or an adhesive label.

The print recording sheet of the present invention shown in each of FIGS. 1 (a), 1 (b) and 2 is obtained by a pinpoint heating operation of a heated thermal dot of a thermal head of a recording / printing apparatus. The metal vapor deposition layer 4 and the surface coloring layer 5 as an upper layer thereof, or the metal vapor deposition layer 4 and the surface coloring layer 5 and a surface protective layer 6 as an upper layer thereof are melted and destroyed in a predetermined pattern, and the destroyed pattern is formed. The area is recorded and displayed.

According to FIG. 3, the print recording sheet C of the present invention shown in FIG. 2 (such as an adhesive label having an adhesive layer 7 on its back surface) is heated by a heating printing apparatus having a thermal head 13 to a predetermined position. To explain an example of recording information,
On the surface of the surface protection layer 6 of the print recording sheet C, a plurality of thermal dots 14 which are electrically heated based on a predetermined recording information signal (for example, a print font signal or a pattern font signal) are arranged in a matrix on a plane. The thermal heads 13 that are arranged in a linear manner and that perform an output operation by a planar heating element method that can be moved closer to, closer to, or separated from the print recording sheet C side face each other.

Thermal dot 14 (thermal dot 14
a), 14b, 14c, 14d), for example, a predetermined thermal dot 14b is heated based on the recording information signal, and is moved close to or in contact with the surface of the print recording sheet C facing it.

The metal deposition layer 4 and the surface coloring layer 5 (or the surface coloring layer 5 and the surface protection layer 6) close to the thermal dot 14b are melted in a pinpoint manner by the heating operation of the thermal dot 14b, and the metal deposition layer 4 is formed. The molten metal of (1) is aggregated on both sides of the non-melted metal vapor deposition layer 4 side to form the opening 12a of the metal vapor deposition layer 4.

Surface coloring layer 5 above the metal vapor deposition layer 4
(Or, the surface coloring layer 5 and the surface protection layer 6) are also broken by being partially incorporated into the molten metal by melting,
The opening 12b of the surface coloring layer 5 is formed, and the opening 1 is formed.
The recording / display unit 12 is obtained by 2a and 12b.

In this way, in the recording display portion 12 displayed on the print recording sheet C, the lower colored layer 2 is exposed, and two-color display by the colored layer 2 and the surface colored layer 5 is performed. Alternatively, the underlying color layer 2, the surface color layer 5, and the surface color layer 5 can be penetrated to obtain a three-color display by the color tone of the metal vapor deposition layer 4 as the lower layer.

The above recording operation can be carried out in the same manner for the print recording sheets B and C of the present invention.

FIG. 4 is an overall view for explaining a recording operation when the print recording sheet C of the present invention is mounted on the thermal recording / printing apparatus 10 to record and display on the sheet. A roll-shaped print recording sheet C is rotatably mounted on the unwinding shaft 11, the sheet C is appropriately fed out by an infeed roll (not shown) to a position facing the thermal head 13, and is pinned by the thermal dot 14. The recording and displaying section 12 is formed by heating the surface of the sheet C point by point.

The thermal head 13 is composed of letters, numbers,
It operates on the basis of a font signal for print display such as a symbol and a font signal for pattern display. Reference numeral 15 is a display font signal decoder. Reference numeral 16 is a predetermined recording information memory (floppy disk, magnetic tape, An external memory such as an optical disk and an internal memory such as a ROM) are mounted on the recording operation control means.

The print recording sheet of the present invention is capable of recording and printing in a multi-color display without using a thermal ribbon, but if necessary, a plurality of thermal ribbons which have been conventionally used may be used together. Color printing is possible, and it is also possible to use a stroke pin type thermal head.

[0030]

The print recording sheet of the present invention is provided with an easily destructible metal vapor deposition layer 4 which is melted and opened by heat in its inner layer, and the underlying colored layer 2 is provided as the lower layer and the upper layer of the metal vapor deposition layer 4 respectively.
Since the surface coloring layer 5 is provided, the surface of the printing and recording sheet is heated in a desired recording pattern by a pinpoint heating operation, so that the metal vapor deposition layer 4 of the heated portion and more The upper layer is thermally destroyed to form apertures 12 in a predetermined recording pattern on the surface of the print recording sheet, so that the underlying colored layer 2 under the apertures 12 is colored and displayed in a predetermined color tone. The printed pattern, or the displayed pattern of the predetermined pattern by the underlying coloring layer 2, is recorded and printed.

Therefore, the print recording sheet of the present invention can record and print by the multicolor display by the surface coloring layer 5, the metal vapor deposition layer 4, and the base coloring layer 2.

Further, since the pressure-sensitive adhesive layer 7 or the release sheet 8 is laminated via the pressure-sensitive adhesive layer 7 on the back surface of the print recording sheet, recording and printing of a desired pattern of characters, symbols, numbers, etc. It can be used as an adhesive tape, a label for display, a tape for packaging, a label for packaging, and the like.

[0033]

INDUSTRIAL APPLICABILITY The print recording sheet of the present invention can display a plurality of color tones depending on the color tone of the surface coloring layer on the surface of the print recording sheet and the color tone of the metal vapor deposition layer, and the upper layer of the metal vapor deposition layer can have a desired pattern. The underlying color layer is exposed to the surface of the sheet by heat-disintegrating it in a circular pattern, so that the color tone of the underlying color layer can be adjusted without using a conventional thermal ribbon having the number of colors corresponding to the number of colors to be recorded and displayed. And a color tone of the surface coloring layer and a color tone of the metal vapor deposition layer can be recorded and displayed in a plurality of colors, and printed matter for providing various information,
It can be used as a card, a label, a tape, etc., and it has an effect that it is difficult to tamper with the recording and display section on which thermosensitive recording is performed.

Unlike the prior art, mutual feeding alignment such as mutual setting of thermal ribbons of a plurality of colors and feeding and feeding of a new colored surface of the thermal ribbon with respect to feeding and feeding of a recording sheet is not required, and ribbon setting time is reduced. There are effects such as shortening and miniaturization of a recording device such as a ribbon feeding mechanism including a thermal head.

[Brief description of drawings]

FIG. 1A is a side sectional view of an embodiment of a print recording sheet of the present invention. (B) It is a sectional side view in other Example of the print recording sheet of this invention.

FIG. 2 is a side sectional view of another embodiment of the print recording sheet of the present invention.

FIG. 3 is a schematic side view illustrating an operation when recording and printing desired information on a print recording sheet of the present invention.

FIG. 4 is a schematic side view showing an example of a thermal recording apparatus for recording and printing desired information on a print recording sheet of the present invention.

FIG. 5 is a schematic side view illustrating a conventional heat-sensitive recording method using a recording sheet and a thermal ribbon by a multicolor display.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Substrate sheet 2 ... Base coloring layer 3 ... Anchor coat layer 4 ... Metal vapor deposition layer 5 ... Surface coloring layer 6 ... Surface protection layer 7 ... Adhesive layer 8 ...
Release sheet 10 ... Thermal recording device 11 ... Unwinding shaft 12 ... Opening portion 12a ... Metal vapor deposition layer opening portion 12b ... Surface coloring layer (surface coloring layer and surface protection layer) opening portion 13 ... Thermal head 14 ... Thermal Dot 15 ...
Decoder 16 ... Recording operation control means 20 ... Thermal recording device 21 ... Unwinding shaft 21a ... Infeed roll 22 ... Recording sheets 23, 24 ... Thermal ribbon 2
3a, 24a ... Colored layer 23b, 24b ... Colored transfer recording layer 25, 26 ... Thermal head 27 ... Thermal ribbon A, B, C ... Print recording sheet

Claims (2)

[Claims] 1. A base coloring layer 2 on the surface of a base sheet 1,
A print recording sheet having a thermal breakdown recording layer, characterized in that a metal vapor deposition layer 4, a surface coloring layer 5, and optionally a transparent protective layer 6 are laminated in this order on the surface coloring layer. 2. A base coloring layer 2 on the surface of a substrate sheet 1,
A metal vapor deposition layer 4, a surface coloring layer 5, and optionally a transparent protective layer 6 are laminated in this order on the surface coloring layer, and the pressure-sensitive adhesive layer 7 or the pressure-sensitive adhesive is formed on the back surface of the base sheet 1. A print recording sheet having a thermal destruction recording layer, characterized in that a release sheet 8 is laminated via a layer 7.