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Ink for Inkjet Textile Printing and an Inkjet Textile Printing Method Using the Same

a technology of textile printing and inkjet printing, which is applied in the direction of dyeing process, weaving, synthetic resin layered products, etc., to achieve excellent discharging property, excellent storage stability, and less bleeding

Inactive Publication Date: 2009-05-07
NIPPON KAYAKU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006]The direct printing method for polyester textile by the inkjet method can employ a wide range of dyes compared with the thermal transfer printing method and thus have such a wide application as required for light fastness, sublimation fastness and the like, while it has such problems that pretreatment, washing and the like are needed leading to a cost-up, equipments are needed for pretreatment, fixing, washing and the like, and so on. The present invention has an object to provide a disperse dye ink for inkjet textile printing which has excellent fastnesses and causes less bleeding on textile, as well as a method for low cost inkjet textile printing using said ink.Means of Solving the Problems
[0008]The ink for inkjet textile printing of the present invention has characteristics that even when inkjet printing is performed on a polyester textile without pretreatment for inkjet printing, combination at a certain ratio of two certain compounds as organic solvents in the ink to be added for the purpose to prevent ink from drying at a nozzle tip and to adjust physical properties leads to much less bleeding on the textile, as well as the ink has excellent storage stability and excellent discharging property in inkjet printing. Therefore, the ink of the present invention makes it possible to perform inkjet printing on a usual polyester textile without applying pretreatment to prevent bleeding and the like on the polyester textile by the direct printing method.

Problems solved by technology

The direct printing method for polyester textile by the inkjet method can employ a wide range of dyes compared with the thermal transfer printing method and thus have such a wide application as required for light fastness, sublimation fastness and the like, while it has such problems that pretreatment, washing and the like are needed leading to a cost-up, equipments are needed for pretreatment, fixing, washing and the like, and so on.

Method used

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  • Ink for Inkjet Textile Printing and an Inkjet Textile Printing Method Using the Same
  • Ink for Inkjet Textile Printing and an Inkjet Textile Printing Method Using the Same
  • Ink for Inkjet Textile Printing and an Inkjet Textile Printing Method Using the Same

Examples

Experimental program
Comparison scheme
Effect test

production example 1

[0024]The following ingredients formulated with the following composition underwent dispersion treatment with a sand mill using glass beads having a diameter of 0.3 mm under water cooling for 15 hours and after completion of the dispersion treatment, 100 parts of ion-exchanged water was added to prepare an aqueous dispersion liquid having a dye concentration of 15%. Next, said dispersion was filtered through a glass fiber filter GC-50 (manufactured by Toyo Roshi Kaisha, Ltd.) to remove coarse particles so as to obtain an aqueous dispersion. The dye concentration of the aqueous dispersion was 15%. The average particle size was 99 nm and the viscosity was 3.5 mPa·s.

[0025]In this connection, the viscosity was measured using an R-115 viscometer (E-type) manufactured by Toki Sangyo Co., Ltd., and for the average particle size, the aqueous dispersion liquid was diluted with ion-exchanged water until its dye concentration became 0.5% mass and the volume average median diameter was measured...

production example 2

[0026]In the same manner as in Production Example 1, the following ingredients formulated with the following rate underwent dispersion treatment, dilution with ion-exchanged water, and filtration to obtain an aqueous dispersion. The dye concentration of this aqueous dispersion was 15%. The average particle size was 92 nm and the viscosity was 4.2 mPa·s.

TABLE 2C.I.Disperse Red 9230.0 partsDEMOLRTM N (Note 5)27.0 partsNIKKOLRTM BPS-30 1.8 partsSurfynolRTM 104P G50 0.2 partsIon-exchanged water41.0 parts(Note 5): A formalin condensate of β-naphthalenesulphonate, manufactured by Kao Corporation.

production example 3

[0027]In the same manner as in Production Example 1, the following ingredients formulated with the following rate underwent dispersion treatment, dilution with ion-exchanged water, and filtration to obtain an aqueous dispersion. The dye concentration of this aqueous dispersion was 15%. The average particle size was 95 nm and the viscosity was 3.6 mPa·s.

TABLE 3C.I.Disperse Red 9230.0 partsLavelinRTM AN-4045.0 partsNIKKOLRTM DHC-30 (Note 6) 1.8 partsSurfynolRTM 104PG50 0.2 partsIon-exchanged water23.0 parts(Note 6): An EO (30) adduct of cholestanol, manufactured by Nikko Chemicals Co., Ltd.

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Abstract

The present invention has an object to provide an ink for inkjet textile printing which has excellent fastnesses and causes less bleeding on a textile and to provide a low cost method for inkjet textile printing by using said ink; and relates to an ink for inkjet textile printing wherein the ink contains at least one kind disperse dye, a dispersing agent, water and at least one kind (referred to as A compound) of the compounds represented by the following formula (1):(wherein, n is an integer number of 1 to 12)and at least one kind compound (referred to as B′ compound) selected from the group consisting of alkanediols having 3 to 5 carbon atoms and polypropylene glycols, as organic solvents, the total content of A compound and B′ compound is 12 to 50% by weight based on the total amount of the ink, and the ratio by weight of A compound to B′ compound is in the range of 5:1 to 0.7:1.

Description

TECHNICAL FIELD[0001]The present invention relates to an ink for inkjet textile printing with a disperse dye, and an inkjet textile printing method and a dyed product by using said ink.BACKGROUND ART[0002]Although inkjet textile printing of hydrophobic textile material such as polyester textile by using disperse dyes still has such problems as low speed compared with screen textile printing and so on, it has such advantages that a plate making process is not needed, printed samples can be quickly made, the requirement of small lot processing in a short time for quick delivery is easily met, and it can be interlocked with a CAD system, so it has just started to be widely performed (Non-Patent Literature 1 and Non-Patent Literature 2).[0003]Inkjet textile printing of polyester textile is roughly classified mainly into two methods, the direct printing method where dye ink is applied (printed) to a textile followed by fixing the dye to the textile by heat treatment such as high temperat...

Claims

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Application Information

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IPC IPC(8): C09B67/38C09B67/06C09B67/10B41J2/01B41M5/00C09B67/20C09D11/00C09D11/326C09D11/328C09D11/38D06P1/613D06P5/00D06P5/20
CPCC09D11/328C09D11/38D06P1/613D06P1/6138D06P1/65118D06P3/004D06P3/54D06P5/30B32B27/20B41J2/01C09D11/326D06P1/65131Y10T442/20
Inventor AKATANI, YOSHIKISUZUKI, YUJI
Owner NIPPON KAYAKU CO LTD
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