Dye-type ink-jet ink and preparation method and application thereof

Abstract

The invention relates to the technical field of ink-jet ink, in particular to dye-type ink-jet ink as well as a preparation method and application thereof. Compared with the prior art, the invention has the following beneficial effects: glycerol plays a moisturizing role, triethylene glycol plays an anti-freezing role, triethylene glycol monobutyl ether plays a role of a penetrant, triethanolamine is used as a pH value regulator and a cosolvent, and the leveling agent, the lubricant and the silicone oil play a role of a surfactant. According to the invention, through reasonable matching of the components and control of performance parameters such as pH value, conductivity, surface tension, viscosity and the like, the obtained dye-type ink-jet ink has small color difference with OEM ink, and the cost is low.

Description

Technical Field

[0001] The present invention relates to the technical field of inkjet inks, and in particular to a dye-based inkjet ink and a preparation method and application thereof. Background Art

[0002] With the development and popularization of digital technology in work and life, inkjet printers are being used more and more widely. Inkjet printing ink is the key technology of inkjet printing. Inkjet printing ink is mainly divided into two types: dye and pigment. Pigment ink has excellent properties such as low toxicity, light resistance, and water resistance compared to dye ink. Dye ink has stronger dissolving power, no clogging, bright colors, and the ink is easily absorbed by the material after printing. At the same time, it has many advantages such as low price and low cost. As for dye ink, imported ink is more common on the market. However, there are defects such as large color difference and high cost between purchased ink and OEM (original equipment manufacturer) ink. Summary of the Invention

[0003] In view of this, the object of the present invention is to provide a dye-based inkjet ink and its preparation method and application. The dye-based inkjet ink provided by the present invention has low cost and small color difference with original ink.

[0004] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions:

[0005] The present invention provides a dye-based inkjet ink, characterized in that it comprises a color paste and an auxiliary agent:

[0006] The color pastes are cyan paste, light cyan paste, magenta paste and yellow paste;

[0007] The cyan paste is Alpha-Jet Cyan GX610 Liq;

[0008] The light cyan paste is Alpha-Jet Cyan GX610 Liq and Alpha Jet-MagentaBB liq;

[0009] The magenta pastes are J671 (RED SF-4B) and J708 (Magenta SF-N);

[0010] The yellow color pastes are AlphaJet-YellowBR01 liq and AlphaJet-YellowYW liq;

[0011] When the color paste is cyan paste or light cyan paste, the additives include glycerol, triethylene glycol, triethylene glycol monobutyl ether, an antibacterial agent, a pH regulator, a leveling agent, a lubricant and deionized water;

[0012] When the color paste is magenta paste and yellow paste, the auxiliary agent includes glycerol, triethylene glycol, triethylene glycol monobutyl ether, antibacterial agent, pH regulator, leveling agent, lubricant, silicone oil and deionized water;

[0013] When the color paste is cyan paste, light cyan paste, or magenta paste, the pH adjuster is triethanolamine;

[0014] When the color paste is yellow color paste, the pH adjuster is sodium hydroxide.

[0015] Preferably, the following components are included in mass fractions:

[0016] When the color paste is a cyan color paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0017]

[0018] When the color paste is a light cyan color paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0019] Alpha-Jet Cyan GX610 Liq 295-300 parts; Alpha Jet-Magenta BB Liq 9-10 parts;

[0020]

[0021] When the color paste is a magenta paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0022]

[0023] When the color paste is yellow color paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0024]

[0025]

[0026] 529.05-577.05 parts of deionized water.

[0027] Preferably, the antibacterial agent is Proxel GXL.

[0028] Preferably, the leveling agent is SURFYNOL 440.

[0029] Preferably, the lubricant is SURFYNOL 465.

[0030] Preferably, the silicone oil is TSF4440.

[0031] The present invention also provides a method for preparing the dye-based inkjet ink, which is characterized by comprising the following steps:

[0032] The color paste and the auxiliary agent are mixed to obtain the dye-based inkjet ink.

[0033] The invention also provides application of the dye-based inkjet ink in the field of printing, wherein the application is used for an Epson ink cartridge.

[0034] Preferably, the Epson ink cartridges include Epson 4th generation series cube ink cartridges, Epson 5th generation series cube ink cartridges and Epson 6th generation series cube ink cartridges.

[0035] The present invention provides a dye-based inkjet ink, comprising color pastes and additives: the color pastes are cyan paste, light cyan paste, magenta paste and yellow paste; the cyan paste is Alpha-Jet Cyan GX610 Liq; the light cyan paste is Alpha-Jet Cyan GX610 Liq and AlphaJet-MagentaBB Liq; the magenta paste is J671 (RED SF-4B) and J708 (Magenta SF-N); the yellow paste is Alpha Jet-Yellow BR01 Liq and Alpha Jet-Yellow YW liq; when the color paste is cyan paste or light cyan paste, the additives include glycerol, triethylene glycol, triethylene glycol monobutyl ether, an antibacterial agent, a pH adjuster, a leveling agent, a lubricant and deionized water; when the color paste is magenta paste or yellow paste, the additives include glycerol, triethylene glycol, triethylene glycol monobutyl ether, an antibacterial agent, a pH adjuster, a leveling agent, a lubricant, silicone oil and deionized water; when the color paste is cyan paste, light cyan paste or magenta paste, the pH adjuster is triethanolamine; when the color paste is yellow paste, the pH adjuster is sodium hydroxide.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] In the present invention, glycerol plays a moisturizing role, triethylene glycol plays an antifreeze role, triethylene glycol monobutyl ether plays a penetrant role, triethanolamine serves as a pH regulator and a cosolvent, and the leveling agent, lubricant and silicone oil play a surfactant role.

[0038] The present invention rationally matches various components and controls performance parameters such as pH value, conductivity, surface tension, viscosity, etc., so that the obtained dye-based inkjet ink has a small color difference from OEM ink and a low cost of about 12 yuan / kg, which is only 50% of the cost of purchased ink, which is conducive to cost saving; the ink has completed three system tests on predetermined model ink cartridges, and the test results are all normal. Each set of printers prints more than 20 sets of ink cartridges without damage to the print head, and the overall test has passed; the ink has been tested on samples of predetermined models for more than half a year and has been tested normally, and the sample test has passed. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 Glossy photo paper for T16 cartridge;

[0040] Figure 2 Glossy photo paper for T29 cartridge;

[0041] Figure 3 Glossy photo paper for T603 ink cartridge;

[0042] Figure 4 Glossy photo paper for T702 cartridge;

[0043] Figure 5 Glossy photo paper for the T202 ink cartridge. DETAILED DESCRIPTION

[0044] The present invention provides a dye-based inkjet ink, comprising a color paste and an additive:

[0045] The color pastes are cyan paste, light cyan paste, magenta paste and yellow paste;

[0046] The cyan paste is Alpha-Jet Cyan GX610 Liq;

[0047] The light cyan paste is Alpha-Jet Cyan GX610 Liq and Alpha Jet-MagentaBB liq;

[0048] The magenta pastes are J671 (RED SF-4B) and J708 (Magenta SF-N);

[0049] The yellow color pastes are AlphaJet-YellowBR01 liq and AlphaJet-YellowYW liq;

[0050] When the color paste is cyan paste or light cyan paste, the additives include glycerol, triethylene glycol, triethylene glycol monobutyl ether, an antibacterial agent, a pH regulator, a leveling agent, a lubricant, silicone oil and water;

[0051] When the color paste is magenta paste and yellow paste, the auxiliary agent includes glycerol, triethylene glycol, triethylene glycol monobutyl ether, antibacterial agent, pH regulator, leveling agent, lubricant, silicone oil and water;

[0052] When the color paste is cyan paste, light cyan paste, or magenta paste, the pH adjuster is triethanolamine;

[0053] When the color paste is yellow color paste, the pH adjuster is sodium hydroxide.

[0054] In the present invention, unless otherwise specified, the raw materials used are commercially available products in the art.

[0055] In the present invention, when the color paste is a cyan color paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0056]

[0057]

[0058] In parts by mass, the dye-based inkjet ink includes 400 to 450 parts of Alpha-Jet Cyan GX610Liq, preferably 410 to 420 parts; in parts by mass, the dye-based inkjet ink preferably includes 110 to 140 parts of propylene glycol, more preferably 120 to 130 parts; in parts by mass, the dye-based inkjet ink preferably includes 30 to 35 parts of triethylene glycol, more preferably 32 to 33 parts; in parts by mass, the dye-based inkjet ink preferably includes 45 to 50 parts of triethylene glycol monobutyl ether, more preferably 46 to 47 parts; in parts by mass, the dye-based inkjet ink preferably includes 1.2 parts of a bacteriostatic agent; the bacteriostatic agent is preferably Proxel GXL; in parts by mass, the dye-based inkjet ink preferably includes 3.1 parts of triethanolamine; in parts by mass, the dye-based inkjet ink preferably includes 2.5 parts of a leveling agent; the leveling agent is preferably SURFYNOL 440; in parts by mass, the dye-based inkjet ink preferably includes 10 parts of a lubricant, and the lubricant is preferably SURFYNOL465; in parts by mass, when the color paste is a cyan paste, it preferably includes 380.2-398.2 parts of deionized water, more preferably 353.2-375.2 parts.

[0059] In the present invention, when the color paste is a light cyan color paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0060]

[0061] The dye-based inkjet ink preferably includes 295-300 parts by mass of Alpha-Jet Cyan GX610 Liq, more preferably 295-298 parts by mass; the dye-based inkjet ink preferably includes 9-10 parts by mass of Alpha Jet-Magenta BB Liq, more preferably 9-9.3 parts by mass; the dye-based inkjet ink preferably includes 110-140 parts by mass of glycerol, more preferably 120-130 parts by mass; and the dye-based inkjet ink preferably includes 30-35 parts by mass of triethylene glycol, more preferably 32-33 parts by mass. The dye-based inkjet ink preferably includes 45-50 parts of triethylene glycol monobutyl ether, more preferably 46-47 parts. The dye-based inkjet ink preferably includes 1.2 parts of a bacteriostatic agent, preferably Proxel GXL, based on parts by mass. The dye-based inkjet ink preferably includes 3.1 parts of triethanolamine. The dye-based inkjet ink preferably includes 2.5 parts of a leveling agent, preferably SURFYNOL 440. The dye-based inkjet ink preferably includes 10 parts of a lubricant, preferably SURFYNOL 465. The dye-based inkjet ink preferably includes 448.2-494.2 parts of deionized water, more preferably 450-460 parts.

[0062] When the color paste is a magenta paste, the dye-based inkjet ink comprises the following components in parts by mass:

[0063]

[0064] In parts by mass, the dye-based inkjet ink preferably includes 75 to 80 parts of J671 (RED SF-4B), more preferably 75 to 76 parts; in parts by mass, the dye-based inkjet ink preferably includes 9 to 10 parts of J708 (Magenta SF-N), more preferably 9 to 9.2 parts; in parts by mass, the dye-based inkjet ink preferably includes 110 to 140 parts of propylene glycol, more preferably 120 to 130 parts; the dye-based inkjet ink preferably includes 30-35 parts of triethylene glycol, more preferably 32 to 33 parts. The dye-based inkjet ink preferably includes 45-50 parts of triethylene glycol monobutyl ether, more preferably 46-47 parts; the dye-based inkjet ink preferably includes 1.2 parts of an antibacterial agent in parts by mass; the dye-based inkjet ink preferably includes 3.1 parts of triethanolamine in parts by mass; the dye-based inkjet ink preferably includes 5.5 parts of a leveling agent in parts by mass; the leveling agent is preferably SURFYNOL 440; the dye-based inkjet ink preferably includes 12 parts of a lubricant in parts by mass; the lubricant is preferably SURFYNOL 465; the dye-based inkjet ink preferably includes 0.25 parts of silicone oil in parts by mass, and the silicone oil is preferably TSF4440.

[0065] When the color paste is yellow color paste, the components of the dye-based inkjet ink are as follows:

[0066]

[0067]

[0068] The dye-based inkjet ink preferably includes 72-75 parts by weight of AlphaJet-Yellow BR01 liq, more preferably 72-74 parts. The dye-based inkjet ink preferably includes 145-150 parts by weight of AlphaJet-Yellow YW liq, more preferably 148-150 parts. The dye-based inkjet ink preferably includes 110-140 parts by weight of glycerol, more preferably 120-130 parts. The dye-based inkjet ink preferably includes 30-35 parts by weight of triethylene glycol, more preferably 32-33 parts. The dye-based inkjet ink preferably includes 45-50 parts of triethylene glycol monobutyl ether, more preferably 46-47 parts; the dye-based inkjet ink preferably includes 1.2 parts of a bacteriostatic agent in parts by mass; the dye-based inkjet ink preferably includes 2 parts of sodium hydroxide in parts by mass; the dye-based inkjet ink preferably includes 5.5 parts of a leveling agent in parts by mass; the leveling agent is preferably SURFYNOL 440; the dye-based inkjet ink preferably includes 12 parts of a lubricant in parts by mass; the lubricant is preferably SURFYNOL 465; the dye-based inkjet ink preferably includes 529.05-577.05 parts of deionized water in parts by mass, more preferably 530-550 parts; the dye-based inkjet ink preferably includes 0.25 parts of silicone oil in parts by mass.

[0069] The present invention also provides a method for preparing the dye-based inkjet ink described in the above technical solution, comprising the following steps:

[0070] The color paste and the auxiliary agent are mixed to obtain the dye-based inkjet ink.

[0071] The present invention has no particular limitation on the specific manner of mixing, and any manner well known to those skilled in the art may be used.

[0072] The present invention also provides an application of the dye-based inkjet ink described in the above technical solution in the field of printing, wherein the application is used for an Epson ink cartridge.

[0073] In the present invention, the Epson ink cartridges preferably include Epson 4th generation series cube ink cartridges, Epson 5th generation series cube ink cartridges and Epson 6th generation series cube ink cartridges.

[0074] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0075] Example 1

[0076] A cyan dye-based inkjet ink comprising the following components in parts by weight:

[0077]

[0078] The preparation method is as follows: the above components are mixed to obtain a cyan dye-based inkjet ink, which is recorded as CD043.

[0079] Example 2

[0080] A light cyan dye-based inkjet ink comprising the following components in parts by weight:

[0081]

[0082] The preparation method is as follows: the above components are mixed to obtain a light cyan dye-based inkjet ink, which is recorded as CD042.

[0083] Example 3

[0084] A magenta dye-based inkjet ink comprising the following components in parts by weight:

[0085]

[0086] The preparation method is as follows: the above components are mixed to obtain a magenta dye-based inkjet ink, which is recorded as MD042.

[0087] Example 4

[0088] A yellow dye-based inkjet ink comprising the following components in parts by weight:

[0089]

[0090] 0.25 parts of silicone oil.

[0091] The preparation method is as follows: the above components are mixed to obtain a yellow dye-based inkjet ink, which is recorded as YD042.

[0092] Comparative Example 1

[0093] CD301 ink.

[0094] Comparative Example 2

[0095] MD303 ink.

[0096] Comparative Example 3

[0097] MD303 ink.

[0098] The performance of the dye-based inkjet inks prepared in Examples 1 to 4 was systematically tested three times, and the results are shown in Tables 1 to 9. It can be seen that the inks of the present invention have substantially the same performance as commercially available inks, but at a significantly lower cost.

[0099] Table 1 Performance test results of the first batch of ink samples

[0100]

[0101] Table 2 First Batch of Ink Cartridges

[0102]

[0103]

[0104] The ink cartridges produced for the first time were tested, and the results are shown in Table 3. It can be seen that many ink cartridges leaked ink after being exposed to high temperatures, while the remaining high-temperature cartridges and other normally aged cartridges printed normally, indicating that the overall test passed.

[0105] Table 3 Ink cartridge test results

[0106]

[0107]

[0108] Table 4 Performance test results of the first batch of ink samples

[0109]

[0110] Table 5: Second batch of ink cartridges

[0111] model Ink model Ink volume / ml Total quantity defective products T2712 CD042 14 100 5 T2713 MD042 14 100 4 T2714 YD042 14 100 4 T2992 CD042 14 100 3 T2993 MD042 14 100 5 T2994 YD042 14 100 4

[0112] The ink cartridges produced the second time were tested, and the results are shown in Table 6. It can be seen that many ink cartridges leaked ink after being exposed to high temperatures, while the remaining high-temperature cartridges that did not leak ink and other normally aged cartridges printed normally, indicating that the overall test passed.

[0113] Table 6 Test results of the ink cartridges obtained for the second time

[0114]

[0115]

[0116] Table 7 Performance test results of the third batch of ink samples

[0117]

[0118] Table 8 Second batch of ink cartridges

[0119]

[0120]

[0121] The ink cartridges produced in the third run were tested, and the results are shown in Table 9. It can be seen that many ink cartridges leaked ink after being exposed to high temperatures, while the remaining high-temperature cartridges that did not leak ink and other normally aged cartridges printed normally, indicating that the overall test passed.

[0122] Table 9 Test results of the ink cartridges obtained for the second time

[0123]

[0124] The prepared ink cartridges were tested for retained samples, and the test results are shown in Table 10. It can be seen that the ink of the present invention is applied to Epson ink cartridges, and the test results of the retained samples of the ink cartridges for 6 months are normal.

[0125] Table 10 Test results of retained samples

[0126]

[0127] In summary, the ink of the present invention has completed system testing on a predetermined type of ink cartridge, the test results are normal, and the sample test of the predetermined type has passed.

[0128] The properties of the inks of Comparative Examples 1 to 3 are shown in Table 11.

[0129] Table 11 Performance of inks of comparative examples 1 to 3

[0130]

[0131]

[0132] The present invention compares the color difference of several inks with that of OEM. The comparison results are shown in Table 12 and Figures 1 to 5 It can be seen that: C / M / YD042 and CD043 inks were tested on some representative models. The overall color difference of the images is smaller than that of the current purchased inks, and is closer to the OEM color. They can control the color without too much deviation on many common models. At the same time, the overall ink cost is greatly reduced. As a general ink, it can basically meet daily needs.

[0133] Table 12 Color difference comparison results

[0134]

[0135] Note: In Table 12, C, M, and Y represent the CD042, MD042, and YD042 color blocks; R, G, and B represent the red, green, and blue basic color blocks.

[0136] Color difference point selection test: Select the upper left picture of the "Color Picture Test Plate" and the gray area in the lower left corner of the character background (taking T16 as an example, the black circle position) as the test point. The multi-color composite at this point is representative.

[0137] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation thereto. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications shall also be considered within the scope of protection of the present invention.

Claims

1. A dye-based inkjet ink, characterized in that: Including colorants and additives: The color pastes are cyan paste, light cyan paste, magenta paste and yellow paste; The cyan paste is Alpha-Jet Cyan GX610 Liq; The light cyan paste is Alpha-Jet Cyan GX610 Liq and Alpha Jet-MagentaBB liq; The magenta pastes are J671 (RED SF-4B) and J708 (Magenta SF-N); The yellow color pastes are AlphaJet-YellowBR01 liq and AlphaJet-YellowYWliq; When the color paste is cyan paste or light cyan paste, the additives include glycerol, triethylene glycol, triethylene glycol monobutyl ether, an antibacterial agent, a pH regulator, a leveling agent, a lubricant and deionized water; When the color paste is magenta paste and yellow paste, the auxiliary agent includes glycerol, triethylene glycol, triethylene glycol monobutyl ether, antibacterial agent, pH regulator, leveling agent, lubricant, silicone oil and deionized water; When the color paste is cyan paste, light cyan paste, or magenta paste, the pH adjuster is triethanolamine; When the color paste is yellow, the pH adjuster is sodium hydroxide.

2. The dye-based inkjet ink according to claim 1, wherein The following components are included in the mass fraction: When the color paste is a cyan color paste, the dye-based inkjet ink comprises the following components in parts by mass: When the color paste is a light cyan color paste, the dye-based inkjet ink comprises the following components in parts by mass: When the color paste is a magenta paste, the dye-based inkjet ink comprises the following components in parts by mass: When the color paste is yellow color paste, the dye-based inkjet ink comprises the following components in parts by mass:

3. The dye-based inkjet ink according to claim 1 or 2, characterized in that: The antibacterial agent is Proxel GXL.

4. The dye-based inkjet ink according to claim 1 or 2, characterized in that: The leveling agent is SURFYNOL440.

5. The dye-based inkjet ink according to claim 1 or 2, characterized in that: The lubricant is SURFYNOL465.

6. The dye-based inkjet ink according to claim 1 or 2, characterized in that: The silicone oil is TSF4440.

7. The method for preparing a dye-based inkjet ink according to any one of claims 1 to 6, characterized in that: The following steps are involved: The color paste and the auxiliary agent are mixed to obtain the dye-based inkjet ink.

8. Use of the dye-based inkjet ink according to any one of claims 1 to 6 in the field of printing, characterized in that: The application is for Epson ink cartridges.

9. The use according to claim 8, characterized in that The Epson ink cartridges include Epson 4th generation series cube ink cartridges, Epson 5th generation series cube ink cartridges and Epson 6th generation series cube ink cartridges.

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