JPH0770954A - Dry dyeing method and method for producing laminated fabric having dyed image - Google Patents

Abstract

(57) [Summary] (Modified) [Object] To provide a method for dry-dying a fabric and a method for producing a laminated fabric having a dyed image. [Structure] In this dry dyeing method, a temporary image temporarily formed on a fabric and containing a dye capable of dyeing fibers by heating is dyed by applying a heating surface coated with a water / oil repellent resin. In addition, a water-repellent / oil-repellent resin film is applied to a temporary image temporarily formed on a fabric and containing a dye capable of dyeing fibers by heating, and a heated surface is applied to dye the image. Is.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for dry-dying a cloth and a method for producing a laminated cloth having a dyed image.

[0002]

2. Description of the Related Art In recent years, printers used by connecting to office computers, personal computers, etc., and so-called labelers that can easily print labels at home, office, etc. have rapidly spread.

In most of such printers, paper is used as a recording medium, and cloth is not.

The reason for this is that the surface smoothness of the cloth is extremely inferior to that of paper, and in the case of cloth, the tacit assumption that the printed image must withstand washing and friction unlike paper and the like. Because it was.

The latter seems to be solved at first glance by replacing the pigment, which is a coloring component usually used in printers, with a dye and applying a printing method.

However, there is a problem that it takes time and labor to prepare high temperature steam and to wash it with water.

On the other hand, to fix a cloth on which information such as characters, images and identification marks is recorded by some method, for example, a label-shaped cloth with a printed barcode, to another cloth, for example, clothing, hot melt is used. Bonding is preferable because it is simpler than bonding by sewing or the like. Here, if the amount of the hot melt adhesive is increased, it can be expected that the adhesive strength is improved, but if the amount is increased, the hot melt adhesive may stick out from the label-like fabric and stain the press surface.
There was a problem that I could not do too much.

[0008]

In view of the above problems, the present invention is capable of easily dyeing a fabric with good fastness in a short time, and changing a fabric having such a dyed image to another fabric. It is intended to be easily laminated.

[0009]

The present invention solves the above problems by the following gist.

In the dry dyeing method of the present invention, a heating surface formed by coating a water-repellent / oil-repellent resin on a temporary image temporarily formed on a cloth and containing a dye capable of dyeing fibers by heating is applied. It is characterized by staining with
In addition, a water-repellent / oil-repellent resin film is applied to a temporary image formed on a cloth and containing a dye capable of dyeing fibers by heating, and the heated surface is applied for dyeing. Is.

In the method for producing a laminated fabric having a dyed image of the present invention, a temporary image having a hot melt adhesive on one side and a dye for dyeing fibers by heating on the other side is The temporarily formed cloth A is placed on the adhered cloth B, and the heating surface covered with the water-repellent / oil-repellent resin is pressed to dye the temporary image of the cloth A, and at the same time the cloth A is adhered to the cloth B. In addition, a temporary image having a hot-melt adhesive on one side and a dye for dyeing the fibers on the other side by heating is provided on the other side. The temporarily formed cloth A is placed on the cloth B to be adhered, and water repellent
It is characterized in that an oil-repellent resin film is laminated, and the heating surface is pressed against the film to dye the temporary image of the cloth A, and at the same time, the cloth A is hot-melt bonded to the cloth B to be adhered.

[0012]

The present invention will be described in more detail below.

The inventor of the present invention mainly forms a dyeing image by forming a temporary image of dyeing on a cloth with inks containing a sublimation dye from a printer, and applying a dry dye removal sheet or the like to dry heating to form a dyed image. I have proposed a dyeing method.

As the name implies, the first purpose of the excess dye removing sheet in this method is to remove the excess dye remaining during heating, but the second purpose is to stain the surface of the heating element. Is to prevent.

However, as a result of further studies, when the heating surface is covered with a water / oil repellent resin or when heating is performed with a water / oil repellent resin film interposed, the excess dye is not necessarily used. I have found that a removal sheet is not needed.

Moreover, when the above operation is performed on the cloth to which the hot melt adhesive is attached, the hot melt adhesive protruding from the cloth during the hot melt adhesion adheres to the excess dye removing sheet, which is not preferable so far. But
It turned out to solve that too.

The water / oil repellent resin is not particularly limited, but a fluorine resin is preferably used. The fluorine-based resin is not particularly limited, and polyterolafluoroethylene or polychlorotrifluoroethylene,
Homopolymer resins such as polyvinylidene fluoride and polyvinyl fluoride, ethylene / tetrafluoroethylene copolymer, tetrafluoroethylene / hexafluoropropylene copolymer, tetrafluoroethylene / perfluoroalkyl vinyl ether copolymer , Ethylene / trifluoroethylene chloride copolymer, tetrafluoroethylene / hexafluoropropylene / perfluoroalkyl vinyl ether copolymer, tetrafluoroethylene / perfluorosulfonyl floor vinyl ether copolymer, etc. be able to.

The dyes used in the present invention are not particularly limited in kind, such as dye disperse dyes and basic dyes, which are capable of dyeing the fibers of the cloth by heating corresponding to the cloth, but are sublimable, Sublimation temperature 140 ℃ or more 300 ℃
The following are preferable, those of 180 ° C or more and 280 ° C or less are more preferable, and those of 200 ° C or more and 250 ° C or less are more preferable. In short, it is preferable to use a dye having high fastness to sublimation. Further, it is preferable to use a dye suitable for the type of cloth, and if the fibers constituting the cloth are polyester fibers, a disperse dye is preferably used. Dyes listed in the above example, BASF Paranil Navy B
lue TRM P / C (CIDisperse Blue 330) and CIDisperse
The dye of eBlue 207 is an example that is preferably used.
However, it is not limited to these and may be used.
The sublimation temperature referred to in the present invention means the temperature at which the vapor pressure (sublimation pressure) of the sublimable dye becomes equal to the external pressure.

Further, the sublimation dye may be used in a single kind or a plurality of kinds having an arbitrary mixing ratio, and may be appropriately selected according to the color of the image to be recorded. Identification marks, especially bar codes and the like are generally read by the presence or absence of reflection of light in the red to near-infrared wavelength region, and in that case, the dyes listed in the above example, namely BASF Pa.
ranil Navy Blue TRM P / C and CIDisperse Blue 207
The dye is preferably used as an example.

The cloth used in the present invention is not particularly limited and may be composed of fibers of any composition or fiber fineness, but the cloth composed of polyester fibers is used. Preferably
In particular, when a cloth mainly composed of ultrafine fibers having a single fiber fineness of 0.0001 denier or more and 1 denier or less is used, the cloth is excellent in surface smoothness and a very sharp dyed image can be obtained at the time of thermal transfer printing, which is preferable. . The single fiber fineness is more preferably 0.0001 denier or more and 0.1 denier or less, and 0.0001 denier or more and 0.07.
A denier or less is more preferable. These ultrafine fibers are very preferable because they have a large specific surface area and also have an advantage that dyeing is completed in a shorter time.

Further, a fabric which is made of ultrafine fibers, and the ultrafine fibers are made of two kinds of fibers, that is, polyamide fiber and polyester fiber, and which is well mixed, has a dense surface,
Further, it has a surface having excellent smoothness, which is preferable. It is also a preferred method to subject the fabric surface to a high-speed fluid flow treatment (water jet punch) to open and / or entangle the ultrafine fibers to densify the surface. By such treatment, the shape stability of the fabric is also significantly improved.
Further, calendering also leads to improvement of surface smoothness and dimensional stability due to entanglement of fibers, which is very preferable. The method for producing the ultrafine fibers is not particularly limited, and various conventionally known techniques for producing ultrafine fibers can be used as they are. Incidentally, a cloth composed of polyester fibers and polyamide fibers, particularly a cloth in which they are mixed with ultrafine fibers in a single fiber order is preferably used because the surface smoothness may be excellent without the above treatment. It is what is done.

The sectional shape is not limited to the circular shape, and may be any shape such as triangular, quadrangular, elliptical or polygonal. Rather, an elliptical shape having a large flatness, a rectangular cross-sectional shape, and the like are more preferable shapes because the surface smoothness is improved when compared with the same single fiber fineness.

Further, the present invention can be applied not only when the cloth is the subject of the chromosome subject, but also when the polymer film is the subject of the chromosome subject. In that case, a polyester film is preferably used, and a film containing polyethylene terephthalate as a main component is preferably used.

The hot melt adhesive is not particularly limited, but a hot melt adhesive film mainly composed of a saturated polyester thermoplastic resin is preferably used. In that case, the melting point is 100 ° C. or higher and 150 ° C. or lower, and the melt viscosity at 190 ° C. is 3,
000 poises or more and 5,000 poises or less, and a thickness of 2
The composition is not particularly limited as long as it is 0 μm or more and 80 μm or less. For example, one synthesized from an aliphatic diol having a methylene chain of 4 or more such as butylene glycol or an aromatic dicarboxylic acid such as terephthalic acid or isophthalic acid. preferable. Such a resin is preferable because it has a low swelling property with respect to water and the adhesive strength during washing is kept higher than that of, for example, a polyamide hot melt adhesive.

The melting point of the hot melt adhesive film is more preferably 100 ° C. or higher and 130 ° C. or lower,
It is more preferably 0 ° C or higher and 120 ° C or lower. Also, 190 ℃
Melt viscosity is 3,300 poises or more and 4,500
Poise or less is more preferable, 3,600 poise or more 4,
It is more preferably 000 poise or less. Further, the thickness of the film is more preferably 30 μm or more and 70 μm or less, and 4
It is more preferably 0 μm or more and 60 μm or less.

The heating method is not particularly limited, and a heating roll may be used as a heating body, a heat press machine or the like may be used, or an iron may be used. In short, as described above, it may be covered with a water / oil repellent resin such as a fluorine resin. Of course, this is not the case when a water / oil repellent resin film is interposed.

The heating temperature may be appropriately selected, but it is preferable to add a temperature equal to or higher than the sublimation temperature of the dye. For example, if the dye sublimation temperature is 140 ° C or higher, the heating temperature is 140 ° C or higher and the sublimation temperature is 18 ° C or higher.
If it is 0 ° C. or higher, the heating temperature is 180 ° C. or higher, and if the sublimation temperature is 200 ° C. or higher, the heating temperature is 200 ° C. or higher.

The heating time may be appropriately selected in the same manner. However, according to the knowledge of the inventors, when the dyes exemplified in the above description of the amount of the dye are used, a dry heat press at 180 ° C. It is possible to produce a dyed fabric or film having good friction fastness with almost no problem within 20 seconds of treatment. The longer the heating time is, the better the friction fastness is. However, from the viewpoint of quick supply property, the shorter the heating time is, the better the total heating time is from 5 seconds to 180 seconds.
More preferably 10 seconds or more and 120 seconds or less, 20 seconds or more 6
It is more preferably within 0 seconds.

When hot-melt adhesion is performed, the pressure during heating is also important, but it is preferably 1 kg / cm ² above and 5 kg / cm ² below, more preferably 1.3 kg / cm ² or more and 4 kg / cm ² below. , 1.5 Kg / cm ² above 3 Kg / cm ² is more preferable. This is because if the pressure is too low, the adhesive strength will be insufficient, and if the pressure is too high, the hot melt adhesive will bleed out to the opposite side of the adhesive surface of the fabric.

In the above conditions, as a guide, it is preferable to select the heating temperature and time required to dye 95% or more of the sublimation dye contained in the thermal transfer image forming portion to the dyeing base material. It is more preferable to select the heating temperature and time required to dye 97% or more of the dye.
More preferably, the heating temperature and time required for dyeing 99% or more of the dye are selected.

The method of forming a temporary image composed of a sublimation dye is
It can be performed by various printers. Thermal transfer printing may be carried out using a dye-containing thermal transfer ribbon, or inkjet printing or impact printing may be carried out using dye-containing ink. Further, transfer printing or direct printing, which are conventional printing methods, may be used. Therefore, the dye-containing body that forms the temporary image may be a dispersion, suspension, or emulsion of a dye, a water-soluble sizing agent, or the like, or an oily polymer or a wax.

[0032]

The present invention will be described in more detail with reference to the following examples. It should be noted that the scope of the validity and rights of the present invention is not limited to or limited by this.

Example 1 First, a high-density fabric composed of 700 warp and weft yarns of 700 ultrafine polyester filaments each having a single fiber fineness of 0.06 denier was subjected to a water jet punch treatment, and then a so-called 24 ton press machine was used. 20 kg / cm ² 1
The fabric was calendered at 90 ° C. to obtain a smooth and dense surface smooth fabric.

On the other hand, as a dye, BASF's Paranil Navy Blu
A dye-containing thermal transfer ribbon was prepared using e TRM P / C.
A bar code was then recorded on the fabric using the dye-containing thermal transfer ribbon thermal transfer printer. Then 190
The temporary image portion of the bar code was directly heated with a so-called Teflon (polytetrafluoroethylene) processed iron at 30 ° C. for 30 seconds. With respect to the bar code dyed image obtained by this, the rubbing fastness obtained by rubbing with a damp cotton cloth and a dry cotton cloth 100 times, respectively, under a load of 200 g is 5th grade (all cotton cloth is It did not pollute). Also, the ironing surface was not contaminated.

[0035]

INDUSTRIAL APPLICABILITY As described above, according to the present invention, a cloth having good fastness can be dyed easily under a dry process in a short time, and a cloth having such a dyed image can be easily formed on another cloth. It can be laminated.

Claims (10)

[Claims] 1. A temporary image, which is formed on a fabric and contains a dye capable of dyeing fibers by heating, is dyed by applying a heating surface coated with a water-repellent / oil-repellent resin. Dry dyeing method. 2. A water-repellent / oil-repellent resin film is applied to a temporary image formed on a cloth and containing a dye capable of dyeing fibers by heating, and the heated surface is applied to dye the image. Dry dyeing method. 3. The dry dyeing method according to claim 1, wherein the water / oil repellent resin is a fluororesin. 4. The dry dyeing method according to claim 3, wherein the fluorine-based resin is polytetrafluoroethylene. 5. The dry dyeing method according to claim 1 or 2, wherein the dye is a sublimation type. 6. The dry dyeing method according to claim 1, wherein the temporary image is printed by a thermal transfer printer using a melt-type thermal transfer ribbon containing a dye. 7. The dry dyeing method according to claim 1, wherein the cloth is in the form of a label. 8. A cloth A having a hot-melt adhesive on one side and a temporary image temporarily formed on the other surface containing a dye capable of dyeing fibers by heating, to be adhered cloth B A dyed image characterized by being placed on top and dyeing a temporary image of the fabric A by pressing a heating surface coated with a water-repellent / oil-repellent resin, and at the same time hot-melt bonding the fabric A to the adherend fabric B. A method for producing a laminated fabric having: 9. A cloth A to be adhered, which is a cloth A to which a temporary image having a hot melt adhesive on one side and a temporary image containing a dye for dyeing fibers by heating is temporarily formed on the other surface. Place on top of it, overlay a water-repellent / oil-repellent resin film on it, and further press the heating surface from above to dye the temporary image of the cloth A and at the same time hot melt bond the cloth A to the cloth to be adhered B. A method for producing a laminated fabric having a dyed image characterized by: 10. The method for producing a laminated fabric having a dyed image according to claim 8 or 9, wherein the fabric A has a label shape.