JPH0295898A - Thermal transfer correction material and correcting utensil - Google Patents

Abstract

PURPOSE:To enhance preservation stability of a corrected part by providing a heat- fusible correction ink layer comprising a white or other pigment, a wax and a thermoplastic resin or the like as main constituents and having a melting point of 40 to 150 deg.C, on the surface of a base. CONSTITUTION:A base 1 for a thermal transfer correction material may be a film of a polyester or the like, a condenser paper or the like. A white pigment, which is most generally used for constituting a correction ink layer 2, is suitably titanium oxide, talc or the like. The melting point of the correction ink layer, set in the range of 40 to 150 deg.C, is determined by a binder, so that a wax and a thermoplastic resin with appropriate melting points are selected according to a temperature to be set. The thermal transfer correction material 3 is set on a correcting utensil, an exposed part of the correction material is brought into contact with a miswritten part of the surface of a paper, and in this condition, a thermal head is caused to generate heat, thereby heating the base of the correction material to a predetermined temperature. By this, the correction ink layer at the part corresponding to the heat generating part is melted, and is transferred onto the surface of the paper to hide the miswritten part. The correction ink layer thus transferred is then hardened through cooling. As a result, preservation stability of the corrected par can be enhanced.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention conceals erroneous writing in traces usually made by a writing tool, print marks by a typewriter or printer, or copy marks by a copying machine. The present invention relates to a correction material that allows correction by using the correction material, and a correction tool for using the correction material.

(Prior Art) Conventional correction materials of this type include correction fluids in which pigments, resins, etc. are dispersed and dissolved in volatile solvents, solid correction materials in which pigments are dispersed in resins, wax, etc. There are pressure-sensitive transfer correction materials in which a correction ink layer made of pigment, resin, etc. is formed on a base material such as a PET film.

(l!1m that the invention attempts to solve) Among the above-mentioned conventional correction materials, it is necessary to first apply the correction liquid to the incorrectly written area and then evaporate the solvent, and when the solvent dries, the m film hardens. Because it takes time to correct the errors, the ink on the incorrect parts of the paper is not corrected quickly.
Disadvantages include that the agent K i ff bleeds and stains, and that the pigment settles and separates during long-term storage, so it is necessary to redisperse the pigment by stirring before use. Secondly, solid correction materials have disadvantages such as the need to rub the wrong areas, making it cumbersome to make blood, and the inconvenience that the paint film does not harden like correction fluid, so you cannot write on it. .

In addition, the pressure-sensitive transfer correction material also requires rubbing on the incorrectly written areas, making the transfer work similarly cumbersome, and since the transfer 1 does not harden like correction fluid, there is an inconvenience that it is not possible to write on it. Since it is simply attached, there is a drawback that it may peel off over time.

The present invention eliminates the drawbacks of the conventional example, simplifies and speeds up the correction work, makes it possible to write corrected characters while concealing errors, and improves the storage stability of the corrected parts. This is the purpose.

(Means for Solving the Problems) The above object is to provide a base material such as a polyester film having a melting point of 40° C. to 150° C. mainly containing a white pigment, wax, thermoplastic resin, etc. on the surface of the base material such as a polyester film. A heat-sensitive transfer correction material characterized by forming a layer of heat-melting correction ink; and a correction tool characterized by comprising a heat-generating head that contacts and heats the back side of a base material of the heat-sensitive transfer correction material. achieved by.

Here, the base material of the thermal transfer correction material can be polyester film or capacitor paper, and the thickness is 3μ ~
The color of the pigment constituting the correction ink layer, which is preferably about 12 μm, is selected depending on the color of the paper surface, but titanium oxide, talc, etc. are suitable as the most common white pigments.

Paraffin wax, polyethylene wax, etc. can be used as the wax added as a binder for the correction ink layer, and EVA can be used as the thermoplastic resin added as the binder.

EET etc. can be used. The correction ink layer may be constructed by adding appropriate additives such as softeners and dispersants in addition to pigments and binders as necessary. The melting point of the corrected ink eyebrow is 40° C. to 150° C., but since this melting point is determined by the above-mentioned binder, wax and thermoplastic resin with appropriate melting points are selected depending on the temperature to be set. To form a correction ink layer on the surface of the base material, first, the binder was heated and melted, pigments, dispersants, etc. were added thereto, and the mixture was premixed with Daysilver, and then thoroughly mixed using three heated rolls. You can form a corrective ink and hot-melt coat it onto the base material, or you can dissolve the binder in a solvent such as toluene and add a pigment and dispersant to it and use a dispersion machine such as a bead mill. A method may be adopted in which a liquid correction ink formed by dispersion is applied onto a base material and then allowed to dry. The thickness of the correction ink layer is suitably 5 μm to 50 μm.

In order to be able to remark on the correction ink, the correction ink needs to have a certain degree of hardness. The hardness of correction ink is determined by factors such as the amount of wax, the type of thermoplastic resin, and the amount and degree of dispersion of pigment, but mainly by setting the amount of wax appropriately and selecting an appropriate thermoplastic resin. Just adjust it.

Next, as well as the correction tools, a holder is required to attach the heating head, and other components include a setting part for the thermal transfer correction material, a power supply part, a drive part, an operation part, etc., and a part of the thermal transfer correction material is placed in the holder. A portion thereof is exposed to the outside, and the heating head is configured to be able to come into contact with the back surface of the base material of the thermal transfer correction material in the exposed portion. Note that it is desirable to be able to appropriately select the size of the heat generating portion of the heat generating head so as to be able to respond to changes in the area to be corrected and to be able to correct only the necessary portions.

(Function) The thermal transfer correction material of the present invention is set in the correction tool of the present invention, and the heating head is made to generate heat while the exposed portion of the thermal transfer correction material is applied to the incorrectly written portion of the paper. When the base material is heated to a predetermined temperature, the correction ink layer corresponding to the heat generating part is melted and transferred to the paper surface to hide the erroneous part, and then cooled and hardened.

(Example) An example of the present invention will be described with reference to the drawings. 1st
The figure shows the thermal transfer correction material (3) and the base material (1).
On the back of the polyester film, correction ink layer (2)
consists of the following composition:

Back-in wax 20 parts EVA 20 A' titanium white
55〃Dispersion Addition 5I Figure 2 shows the correction tool, and the thermal transfer correction material (3
) is cut into a ribbon shape and rolled into a pancake shape, and then attached to the supply section (5) inside the holder (4), from which the ribbon (3a)i of the thermal transfer correction material (3) is fed. After pulling it out and exposing it to the outside at the tip opening (4a) of the holder (4), the winding part (6) inside the holder is exposed again.
The zero heat generating head (
7) is arranged at a position where it comes into contact with the back surface of the base material (1) of the ribbon (3a) exposed at the tip opening (4a) of the holder (4). There is also a ribbon (3a) inside the holder.
A drive unit (8) for driving the engine, a heat generating head (7), a power supply unit (9) for the drive unit (8), and an operation unit (11e) are configured.

(Effects of the Invention) Since the present invention is configured as described above, it has the following effects. First, the exposed part of the thermal transfer correction material of the correction tool is applied to the erroneously written part on the paper surface, and the operation part allows the heat generating head to generate heat to cover up the erroneously written part. It is not necessary to manually stir the correction fluid before using it, and the complicated rubbing and work required for conventional solid correction materials and pressure-sensitive transfer correction materials is also unnecessary, making the work extremely simple. The correction ink layer is heated and transferred to the paper in a molten state, and then cooled and hardened, so it is possible to write on it again, without the inconvenience of conventional solid correction agents or pressure-sensitive transfer correction materials. Eliminate. Although it takes some time for the correction ink layer to melt and harden by cooling, it is shorter than the time it takes for the solvent in conventional correction fluid to dry, so rewriting can be done quickly. Furthermore, when the correction ink layer is transferred to the paper surface, it melts and a portion of it penetrates between the fibers of the paper surface, so there is no problem of peeling of conventional pressure-sensitive transfer correction materials, and the storage stability of the correction area is improved. . Unlike the conventional correction fluid, the solvent does not dissolve the ink on the paper surface, so the paper surface does not bleed and become stained.

[Brief explanation of drawings]

FIG. 1 is a partial sectional view of the thermal transfer correction material, and FIG. 2 is a schematic structural diagram of the correction tool. (1) Base material, (2) Correction ink layer, (3)
...Thermal transfer correction material, (4)...Holder, (5)
... Supply section, (6) ... Winding section, (7) ... Heat generating head, (8) ... Drive section, (9) ... Power supply section, Control section... . Patent applicant Mitsubishi Lead Sasa Co., Ltd.

Claims (1)

[Claims] 1. A heat-melting correction ink layer having a melting point of 40° C. to 150° C. is formed on the surface of a base material such as a polyester film, the main components being a white pigment, wax, thermoplastic resin, etc. A heat-sensitive transfer correction material characterized by: 2. A correction tool comprising a heat-generating head that comes into contact with and heats the back surface of the base material of the thermal transfer correction material according to claim 1.