JP2001098469A - Treating agent for ink jet printing of polyamide-based fiber, fabric for printing and method for printing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a polyamide-based fiber fabric used for ink jet printing, to provide a method for printing the fabric, and to provide a treating agent used for the fabric. SOLUTION: This treating agent for the ink jet printing comprises a polyethylene compound emulsion, a polyoxyethylene glycol ether-based surfactant and a pH-adjusting agent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyamide fiber fabric used for ink-jet printing, a method for printing on the fabric, and a treating agent used for the fabric.

[0002]

2. Description of the Related Art Conventionally, screen printing, roller printing, rotary screen printing, transfer printing, and the like have been used as a method of printing a pattern on a cloth. It is necessary to prepare engraving rollers, transfer paper, and the like, and the production of these screen frames, engraving rollers, and transfer paper is quite expensive, so that it is uneconomical to produce a considerable number of lots. It had the disadvantage that it could not respond quickly to diversification.

In order to solve these drawbacks, a sample is read by a scanner, and image processing is performed by a computer.
Techniques for printing the results by an ink-jet method have been developed.However, these methods limit the printing target to paper, so that when applied to a cloth, there is a problem that bleeding is remarkably inferior to color development. The solution was desired.

[0004] In the case of ink-jet printing of a polyamide fiber fabric, as pretreatment, 1) a method using a water repellent (JP-A-60-99081) 2) surface treatment with a water-soluble polymer to retain water of the fabric 3) At least one of a water-soluble metal salt and a cationic compound
Method using a treatment liquid containing a seed, a nonionic water-soluble polymer, and a nonionic surfactant or an amphoteric surfactant (Japanese Patent Laid-Open No. 7-119047) 4) Water-insoluble water-absorbing resin, polyoxyalkylene type Method using a nonionic surfactant (JP-A-8-8188)
7) and the like, and in a method other than the pretreatment, a method using an ink exhibiting a specific viscous behavior (Japanese Patent Laid-Open No. 62-101)
No. 669), but the above-mentioned method has a problem that the effect of preventing bleeding is not sufficient and a desired coloring property cannot be obtained.

[0005]

SUMMARY OF THE INVENTION The present inventors have developed a polyamide fiber fabric which has been subjected to a pretreatment most suitable for ink jet printing, a printing method using the fabric, and a treatment used for the pretreatment. As a result of intensive research on agents, we found a solution to the problems that we had in the past and completed the present invention, preventing the occurrence of bleeding, and having excellent color development, sharpness and color reproducibility. It is an object of the present invention to provide a fabric for ink-jet printing, a printing method and a treating agent having excellent printing quality in the above-mentioned aspects.

[0006]

The present invention has the following configuration to achieve the above object.

First, a first invention is a treating agent for ink-jet printing, comprising a polyethylene compound emulsion, a polyoxyethylene glycol ether-based surfactant and a pH adjuster. Is a cloth for ink-jet textile printing, characterized in that a treating agent is applied thereto.

In a third aspect of the present invention, the above-mentioned treating agent is applied to a cloth made of polyamide fiber, dried, printed on the cloth by an ink jet method using an acid dye, and then the cloth is made. Is dried and then heat-treated, which is an inkjet printing method for polyamide-based fiber cloth.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.

The fabric used in the present invention is a woven fabric, a knitted fabric or a non-woven fabric, and is made of nylon 4, nylon 6, nylon 7, nylon 11, nylon 12,
It is manufactured using filaments or staple fibers made of polyamide fiber-forming polymer such as nylon 66, nylon 6,10, polymeta-xylene adipamide, poly-para-xylylene decanamide and the like.

First, the treating agent of the present invention will be described. As described in the first invention, the treating agent contains a polyethylene compound emulsion, a polyoxyethylene glycol ether surfactant and a pH adjuster. Things.

(Polyethylene Compound Emulsion) It is important that the above-mentioned polyethylene compound emulsion be water-insoluble and hydrophobic, and because it is water-insoluble, it is not compatible with the dye ink which is an aqueous solution and has a hydrophobic property. By doing so, the penetration of the dye into the fabric is inhibited, and bleeding is prevented. Specifically, Finetex PEN (manufactured by Dainippon Ink Industries, Ltd.), Iodozol PE400 (manufactured by NSC), Sun Mariner S712 (manufactured by Nichika Chemical Co., Ltd.), or a polypropylene compound may be used. Can be used.

The above-mentioned polyethylene compound emulsion comprises:
If it is less than 2.0% by weight (based on fabric weight), the bleeding prevention effect is insufficient, and if it is 20.0% by weight (based on fabric weight), the bleeding prevention effect is too strong. Since the print tone becomes noticeable, 2.0%
It is preferable to use it so as to adhere to 20.0% by weight.

(Polyoxyethylene glycol ether-based surfactant) Next, the polyoxyethylene glycol ether-based surfactant is added to the surface of the fabric to give a dye when the dye is applied in the printing step. And improve the color development by absorbing moisture from steam. In the case of this polyoxyethylene glycol ether, it is possible to cope with a slight fluctuation of the coloring temperature, so that a slight temperature setting error does not hinder the coloring, and greatly affects the stability of the coloring. is there.

(PH adjuster) In addition to the polyethylene compound emulsion and the polyoxyethylene glycol ether-based surfactant, a pH adjuster is added.
With the pH adjuster, the affinity between the dye and the fiber is improved, and the expression of dark color and the stabilization of the hue become possible.

As described above, the treating agent for ink-jet printing of the present invention contains a polyethylene compound emulsion, a polyoxyethylene glycol ether-based surfactant, and a pH adjuster. These are diluted with water or the like. ,
The above-mentioned treating agent is applied to the polyamide-based fiber fabric by a pad nip method, a coating method, a spray method, or the like so as to have a pickup rate of 30 to 80%, and then dried to obtain a fabric for inkjet printing according to the second invention. It is.

After obtaining a polyamide fiber fabric pretreated for ink jet printing in this way, as described in the third invention, the above fabric is printed by an ink jet method using an acid dye. Then, the fabric is dried and then heat-treated to develop a color. Here, when performing the heat treatment, p
It is important to adjust the value to H4 to H5, and the darkness and hue stability can be realized as described above by adjusting the H4 to H4.

The ink jet system used in the present invention is a bubble jet system in which a heating resistor is embedded in a nozzle, the ink is boiled by the heat generated, and the ink is ejected by the pressure of the bubbles. The pulse jet method that excites the change in the volume of the ink chamber and discharges the ink particles by applying pressure, and continuously pressurizes and ejects the ink from the nozzle that oscillates ultrasonically to form particles and controls the particles to a constant charge amount An example is a charge control method in which the laser beam is deflected during electrolysis and recorded separately for recording and non-recording particles.

By printing in this manner, a fabric having excellent color developability and less bleeding can be obtained.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on embodiments. First, as a cloth, 50 d /
A plain woven fabric having a warp of 110 filaments / inch and a weft of 85 filaments / inch and a basis weight of 109 g / m ² using 100% of 18f filaments was used.

(Example 1) Subsequently, a treatment agent having the following formulation was prepared and applied to the above-mentioned cloth by a pad nip method so as to have a pickup rate of 60%.
It was dried at 120 ° C. Epan U108 3.0% by weight (polyoxyethylene glycol ether surfactant) Finetex PEN 5.0% by weight (polyethylene compound emulsion) Ammonium sulfate (pH adjuster) 1.0% by weight Water 91.0% by weight --- −−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−− Total 100.0% by weight

Next, the following four types of inks are mounted on a bubble jet type ink jet printing apparatus, and
The above fabric is continuously printed at dots / inch, then dried at 120 ° C. for 2 minutes, and further dried at 92% Rh.
After performing a heat treatment in a steam of 30 minutes at a temperature of 104 ° C., the product was washed and dried to obtain a product of Example 1. (1) CIAcid Yellow 17 10.0 wt% water 90.0 wt% (2) CIAcid Red 114 10.0 wt% water 90.0 wt% (3) CIAcid Blue 185 10.0 wt% water 90.0 wt% % (4) CIAcid Black 26 10.0% by weight Water 90.0% by weight

(Comparative Example 1) A treating agent having the following formulation was prepared, and this was treated by a pad nip method with a pickup rate of 60.
% To the above cloth, and then for 2 minutes × 120
Dry at ℃. Example 1 was applied to the thus obtained fabric.
Printing was performed under the same conditions and conditions as in Example 1 to obtain a fabric of Comparative Example 1. Sumiflu Oil EM21 0.3% by weight (Water repellent; manufactured by Sumitomo Chemical Co., Ltd.) Water 99.7% by weight -------------------------------------------------------------------------- −−−−−−−−−−− Total 100.0% by weight

(Comparative Example 2) A treating agent having the following formulation was prepared, and this was treated by a pad nip method at a pickup rate of 60.
% To the above cloth, and then for 2 minutes × 120
Dry at ℃. Example 1 was applied to the thus obtained fabric.
Printing was carried out under the same formulation and conditions as in Example 1 to obtain a fabric of Comparative Example 2. Bow nitrate (water-soluble metal salt) 2.5% by weight Carboxymethylcellulose (glue) 2.0% by weight Water 95.5% by weight -------------------------- −−−−−−−−−−−−−− Total 100.0% by weight

(Comparative Example 3) A treating agent having the following formulation was prepared, and this was treated by a pad nip method at a pickup rate of 60.
% To the above cloth, and then for 2 minutes × 120
Dry at ℃. Example 1 was applied to the thus obtained fabric.
Printing was performed under the same conditions and conditions as in Example 1 to obtain a fabric of Comparative Example 1. Sumiflu Oil EM21 0.3% by weight (Water repellent; manufactured by Sumitomo Chemical Co., Ltd.) Carboxymethylcellulose (glue) 2.0% by weight Water 97.7% by weight −−−−−−−−−−−−−− −−−−−−−−−−−−−−−−−−−−−−− Total 100.0% by weight

The printed fabrics of Example 1 and Comparative Examples 1 to 3 obtained as described above were evaluated for bleeding and coloring by visual observation of a professional inspector. The results are shown in Table 1 below. In addition, the evaluation of Table 1 is as follows.

(Bleeding) A: No bleeding A: Slight bleeding B: Bleeding X: Bleeding is remarkable

(Coloring property) ：: good Δ: slightly poor ×: bad

[0029]

[Table 1]

As is evident from the above results, the printed fabric obtained according to the constitution of the present invention was free from bleeding, had good color development, and was very excellent in print quality.

[0031]

According to the present invention, it is possible to obtain a polyamide fiber fabric which is excellent in color development without bleeding.
It is possible to provide high-quality printed products in various fields, and it is possible to respond quickly to diversification of tastes in the field of fashion.

Continued on the front page F term (reference) 4H057 AA01 AA02 BA02 CA11 CA12 CA37 CB08 CB14 CB27 CB59 CC01 DA01 DA20 DA22 DA34 GA06 GA25 HA10 JA10 JB03

Claims (3)

[Claims] 1. A polyethylene compound emulsion, a polyoxyethylene glycol ether surfactant and p
A treatment agent for inkjet printing, comprising an H adjuster. 2. A fabric comprising polyamide fibers, to which the treatment agent according to claim 1 is applied. 3. After the treatment agent of claim 1 is applied to a cloth made of polyamide fiber and dried, the cloth is printed by an ink jet method using an acid dye, and then the cloth is dried. And a subsequent heat treatment.