JPS5833834B2 - transfer paper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Transfer paper in which a cover coat is formed by covering a transfer pattern applied on a water-soluble glue layer of a mount with a printing layer of a vehicle made of a resin solution is already widely known.

The cover coat serves as a carrier for the pattern forming the coating layer and prevents it from collapsing during the work of dissolving the water-soluble glue layer and transferring the transferred pattern onto ceramics or other objects using a sliding means, and However, since the surface is extremely smooth and the intermolecular forces of the polymer are strong, when the transfer paper is stacked to preserve it, the cover coat becomes the upper layer. Connected to the back of the mount.

When the cover coat and transferred pattern are peeled off during use, the adhesion often damages a part of the cover coat and the transferred pattern, making it unusable. This requires anti-blocking means such as sandwiching the material between layers or sprinkling talc on the cover coat, which impairs the efficiency of the lamination process for preservation and the process of use.

The purpose of the present invention is to provide a non-blocking property that prevents the cover coat from adhering to the back surface of the backing paper even when the transfer paper is stacked, and the present invention uses two non-compatible printing methods to print the cover coat. The gist is to use a vehicle consisting of a mixed solution of soluble resins.

An embodiment of the present invention will be described.

The transfer paper 1 is a water-absorbent mount 2 as shown in the attached drawing.
A transfer pattern 4 is printed in one color or in multiple colors on the water-soluble glue layer 3 applied to the surface, and a cover coat 5 of an arbitrary area is printed to cover the pattern 4.

The cover coat 5 is formed by spreading a vehicle containing two incompatible resin solutions using printing means such as screen printing.

The cover coat 5 is made by mixing solutions of incompatible resins that do not mix together and become emulsive even when the respective solutions are mixed, and the selection of such two resin solutions is arbitrary. be.

Therefore, in the cover coat coated on the pattern 4 by screen printing etc., the two base incompatible resins remain as the solvent evaporates, promoting a milky white color and covering the picture 4. The incompatible resin solution is selected based on the fact that it has an emulsified viscosity in a vehicle state suitable for printing, and as soon as the solvent evaporates, it becomes milky white and remains on the coating as described above. Good too.

The conventional cover coat for transfer paper is a vehicle made of a concentrated solution of one type of resin that is printed using a printing method to cover the transfer pattern. The molecules are intertwined with each other to give a transparent appearance, and the material adheres closely to the transferred pattern and is used as a carrier for the pattern during slide transfer, but its surface is smooth as described above.

However, in the cover coat of the present invention, in a dry state where the solvent has evaporated, two sets of incompatible resins coexist, and they knead together to maintain a film form and cover the transferred pattern. However, it is originally a mixture of incompatible resins, and due to the differences in the molecular structure of each polymer, it scatters light and exhibits a milky color.

However, the thickness of the cover coat 5 is about 0.02 mm, so it does not interfere with the visibility of the pattern.

Furthermore, even if two sets of incompatible resins are separated from each other in the film form, the film structure is different from that of the single polymer.
Unlike the case where the polymers are incompatible with each other, the interaction between the incompatible polymers is weak, as can be inferred from the milky color shown above, and the surface is microscopically rough.

However, if the entanglement of polymers is weak, the supporting capacity of the pattern may be slightly reduced depending on the types of two or more resin materials used, so the mixing ratio of one of the two or more resin solutions may be A relative increase is appropriate.

It is preferable that the molecular weights of the incompatible resins be as far apart as possible.

Further, it is preferable to use a solvent common to each incompatible resin.

As mentioned above, the cover coat of the transfer paper of the present invention has a microscopically rough surface formed by mixing and arranging incompatible resin polymers on the surface of a dry film, and air is trapped on the rough surface. Even if a large number of transfer papers are stacked, the air accumulated on the surface will not be removed at all, and even if pressure is applied on a plane, the incompatible resins will not adhere to each other, so the cover coat It is possible to completely eliminate the possibility that the front surface and the back surface of the upper mount will adhere inseparably and cause a blocking phenomenon.

[Brief explanation of the drawing]

The accompanying drawing is a sectional view showing the transfer paper of the present invention.

Claims (1)

[Claims] 1. The transferred pattern formed on the water-soluble glue layer of the mount is coated with a printing layer of a vehicle consisting of an emulsion mixture of two incompatible resin solutions, and after the respective solvents have evaporated, a milky white color is formed. 1. A transfer paper characterized in that a cover coat is formed on the surface of the paper, and the non-locking property of the cover coat prevents adhesion to the back surface of a mount stacked on top of the paper.