阅读说明：本技术 一种数码印花用分散红染料墨水及其制备方法 (Disperse red dye ink for digital printing and preparation method thereof ) 是由 苏勇志 杨泽辉 江启明 于 2020-08-04 设计创作，主要内容包括：本发明公开了一种数码印花用分散红染料墨水,按质量百分含量,其组成为：分散染料色浆28％～32％、丙三醇或乙二醇15％～20％、三乙醇胺1.1％～1.3％、聚乙二醇8％～12％,杀菌剂0.1％～0.5％,余量为去离子水；所述的分散染料色浆,按质量百分含量,其组成为：分散红染料10％～15％、聚乙二醇硬脂酸酯和/或聚乙二醇辛基苯基醚13％～14％、二甘醇18％～20％,余量为去离子水。分散红染料墨水在织物上的反应速度快、成本低、色力度、色牢度、色彩重现性好,打样效果好。(The invention discloses a disperse red dye ink for digital printing, which comprises the following components in percentage by mass: 28 to 32 percent of disperse dye color paste, 15 to 20 percent of glycerol or ethylene glycol, 1.1 to 1.3 percent of triethanolamine, 8 to 12 percent of polyethylene glycol, 0.1 to 0.5 percent of bactericide and the balance of deionized water; the disperse dye color paste comprises the following components in percentage by mass: 10-15% of disperse red dye, 13-14% of polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, 18-20% of diethylene glycol and the balance of deionized water. The disperse red dye ink has the advantages of high reaction speed on fabrics, low cost, good color intensity, color fastness and color reproducibility and good proofing effect.)

1. A disperse red dye ink for digital printing comprises the following components in percentage by mass: 28 to 32 percent of disperse dye color paste, 15 to 20 percent of glycerol or ethylene glycol, 1.1 to 1.3 percent of triethanolamine, 8 to 12 percent of polyethylene glycol, 0.1 to 0.5 percent of bactericide and the balance of deionized water;

the disperse dye color paste comprises the following components in percentage by mass: 10-15% of disperse red dye, 13-14% of polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, 18-20% of diethylene glycol and the balance of deionized water;

the disperse red dye comprises the following components: the composition comprises the following components in parts by weight: and (2) component A: 10-15 parts, component B: 10-12 parts of component C: 10-15 parts, component D: 10-12 parts, component E: 10-15 parts;

the component A is as follows:

the component B is as follows:

the component C is as follows:

the component D is as follows:

the component E is as follows:

2. the disperse red dye ink for digital printing according to claim 1, which comprises the following components in percentage by mass: 28-30% of disperse dye color paste, 15-18% of glycerol or ethylene glycol, 1.2% of triethanolamine, 9-10% of polyethylene glycol, 0.3-0.4% of bactericide and the balance of deionized water;

the disperse dye color paste comprises the following components in percentage by mass: 10-12% of disperse red dye, 13-14% of polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, 18-19% of diethylene glycol and the balance of deionized water.

3. The disperse red dye ink for digital printing according to claim 1 or 2, wherein: the bactericide is one or a mixture of more of 5-chloro-2-methyl-4-isothiazolin-3-one, 1, 2-benzisothiazolin-3-one, s-triazine, 1, 6-dihydroxy-2, 5-dioxan and isothiazolinone.

4. A method of preparing a disperse red dye ink for digital printing according to any one of claims 1 to 3, comprising the steps of: firstly, dispersing red dye, polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, diethylene glycol and deionized water; mixing uniformly, grinding in a grinding machine until the dye particles are less than 0.5 mu m to prepare disperse dye color paste, then adding glycerol or ethylene glycol, triethanolamine, polyethylene glycol, bactericide and deionized water, and mixing uniformly to obtain the disperse dye ink for digital printing.

Technical Field

The invention belongs to ink for digital printing, and particularly relates to disperse red dye ink for digital printing and a preparation method thereof.

Background

Compared with the traditional printing, the digital printing is environment-friendly, high in fineness and flexible in design, and is the development direction of printing technology. The water paint ink is an important class of digital printing ink, and has the characteristics of complete color spectrum, acid and alkali resistance, good light fastness, no pollution, suitability for various fibers and the like.

The digital printing is that the pattern is input into the Computer by digital form, and edited and processed by Computer printing color separation and drawing system (CAD-Computer Aided Design), and then the Computer controls the micro-piezoelectric ink jet nozzle to directly spray the special dye liquor onto the textile to form the required pattern.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: provides a disperse red dye ink for digital printing.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a disperse red dye ink for digital printing comprises the following components in percentage by mass: 28 to 32 percent of disperse dye color paste, 15 to 20 percent of glycerol or ethylene glycol, 1.1 to 1.3 percent of triethanolamine, 8 to 12 percent of polyethylene glycol, 0.1 to 0.5 percent of bactericide and the balance of deionized water;

the disperse dye color paste comprises the following components in percentage by mass: 10-15% of disperse red dye, 13-14% of polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, 18-20% of diethylene glycol and the balance of deionized water;

the disperse red dye comprises the following components: the composition comprises the following components in parts by weight: and (2) component A: 10-15 parts, component B: 10-12 parts of component C: 10-15 parts, component D: 10-12 parts, component E: 10-15 parts;

the component A is as follows:

the component B is as follows:

the component C is as follows:

the component D is as follows:

the component E is as follows:

the disperse red dye ink for digital printing preferably comprises the following components in percentage by mass: 28-30% of disperse dye color paste, 15-18% of glycerol or ethylene glycol, 1.2% of triethanolamine, 9-10% of polyethylene glycol, 0.3-0.4% of bactericide and the balance of deionized water;

the disperse dye color paste preferably comprises the following components in percentage by mass: 10-12% of disperse red dye, 13-14% of polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, 18-19% of diethylene glycol and the balance of deionized water.

The bactericide is one or a mixture of more of 5-chloro-2-methyl-4-isothiazolin-3-one, 1, 2-benzisothiazolin-3-one, s-triazine, 1, 6-dihydroxy-2, 5-dioxan and isothiazolinone.

The second technical problem to be solved by the invention is: a preparation method of disperse red dye ink for digital printing.

In order to solve the technical problems, the technical scheme is as follows: a preparation method of disperse red dye ink for digital printing comprises the following steps: firstly, dispersing red dye, polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, diethylene glycol and deionized water; mixing uniformly, grinding in a grinding machine until the dye particles are less than 0.5 mu m to prepare disperse dye color paste, then adding glycerol or ethylene glycol, triethanolamine, polyethylene glycol, bactericide and deionized water, and mixing uniformly to obtain the disperse dye ink for digital printing.

Has the advantages that: the disperse red dye ink for digital printing has the advantages of high reaction speed on fabrics, low cost, good color intensity, color fastness and color reproducibility and good proofing effect. The requirements for digital printing are met, various indexes of the disperse dye ink reach the standard, the stability is good, and the storage time is long. The ink-jet printing product has bright color, soft hand feeling and good fastness, wherein the light fastness can reach more than 4.5 grade, the friction fastness can reach more than 4.5 grade, and the washing fastness can reach more than 5 grade.

Detailed Description

The process of the present invention is further illustrated below with reference to examples, but the invention is not limited thereto.

The preparation method of the disperse dye ink for digital printing comprises the following steps: firstly, dispersing red dye, polyethylene glycol stearate and/or polyethylene glycol octyl phenyl ether, diethylene glycol and deionized water; mixing uniformly, grinding in a grinding machine until the dye particles are less than 0.5 mu m to prepare disperse dye color paste, then adding glycerol or ethylene glycol, triethanolamine, polyethylene glycol, bactericide and deionized water, and mixing uniformly to obtain the disperse dye ink for digital printing.