CN112900114A - Thermal transfer printing dispersion color paste and preparation method thereof, thermal transfer printing ink and preparation method thereof - Google Patents
Thermal transfer printing dispersion color paste and preparation method thereof, thermal transfer printing ink and preparation method thereof Download PDFInfo
- Publication number
- CN112900114A CN112900114A CN202110193464.9A CN202110193464A CN112900114A CN 112900114 A CN112900114 A CN 112900114A CN 202110193464 A CN202110193464 A CN 202110193464A CN 112900114 A CN112900114 A CN 112900114A
- Authority
- CN
- China
- Prior art keywords
- thermal transfer
- transfer printing
- color paste
- parts
- dispersion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
- D06P1/5257—(Meth)acrylic acid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65118—Compounds containing hydroxyl groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/003—Transfer printing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the technical field of thermal transfer printing, and provides thermal transfer printing dispersion color paste and a preparation method thereof, thermal transfer printing ink and a preparation method thereof. The thermal transfer printing dispersion color paste provided by the invention comprises a dispersing agent, a thermal transfer printing dispersion dye, a humectant, a surfactant, a bactericide and water, wherein the dispersing agent is prepared from benzyl methacrylate, an initiator and a solvent. The thermal cracking temperature of the dispersant used in the color paste is high, the dispersant can not be gasified at the working temperature of thermal transfer printing, the dispersibility is good, the stability of the color paste can be improved, the thermal transfer printing ink prepared by the color paste is not easy to age, and white smoke and odor can not be generated during thermal transfer printing. The thermal transfer ink provided by the invention is colorless and odorless in a coloring process, good in smoothness, high in printing quality and good in spray head moisturizing performance.
Description
Technical Field
The invention relates to the technical field of thermal transfer printing, in particular to thermal transfer printing dispersing color paste and a preparation method thereof, thermal transfer printing ink and a preparation method thereof.
Background
The thermal transfer printing technology is a novel printing technology, and comprises two steps of transfer printing film printing and transfer printing processing. With the rapid development of high technology, the application of thermal transfer printing technology is more and more extensive. At present, the thermal transfer printing technology is suitable for the transfer printing of cloth and the transfer printing of hard articles subjected to coating treatment. The cloth mainly comprises terylene and polyester cotton, the hard articles mainly comprise high-temperature-resistant articles such as films, metals, glass, ceramic sheets, porcelain cups, PVC and the like, and the transfer printing of images can be completed through a special heat transfer printing machine as long as the transfer printing articles are high-temperature-resistant and matched with a heat transfer printing coating.
The thermal transfer ink is mainly used for heating transfer printing products and is an indispensable material in the thermal transfer industry. The thermal transfer ink is generally obtained by mixing thermal transfer dispersion color paste, an auxiliary agent and a solvent, wherein the thermal transfer dispersion color paste takes a thermal transfer dispersion dye and a dispersing agent as main raw materials, the thermal transfer dispersion dye and an organic pigment are different, and the molecular weight, the particle size and the like of the organic pigment are far larger than those of the thermal transfer dispersion dye, so that the dispersing agent suitable for the organic pigment color paste in the field is difficult to obtain a good effect in the thermal transfer dispersion color paste. However, the thermal transfer ink prepared by using sodium lignosulfonate is easy to age, generates a large amount of white smoke when the ink is colored, has a large smell, and causes great damage to operators and the environment.
Disclosure of Invention
In view of the above, the present invention aims to provide a thermal transfer printing dispersion color paste and a preparation method thereof, and a thermal transfer printing ink and a preparation method thereof. The thermal transfer printing dispersion color paste provided by the invention has good stability, and the thermal transfer printing ink prepared by using the thermal transfer printing dispersion color paste is not easy to age, and can not generate white smoke and odor when the ink is colored.
In order to achieve the above object, the present invention provides the following technical solutions:
the heat transfer printing dispersion color paste comprises the following components in parts by mass: 20-30 parts of a dispersing agent, 15-25 parts of a thermal transfer disperse dye, 1-20 parts of a humectant, 0.1-0.5 part of a surfactant, 0.1-0.5 part of a bactericide and 35-45 parts of water;
the dispersing agent is prepared from the following raw materials: the mass ratio of the benzyl methacrylate to the initiator is (10-30): (0.5-15): 0.1-5).
Preferably, the acid value of the dispersant is 120mgKOH/g or more.
Preferably, the humectant is an alcohol humectant.
Preferably, the alcohol humectant comprises one or more of ethanol, n-propanol, ethylene glycol, diethylene glycol, 1, 2-propylene glycol, 1, 3-propylene glycol, 1, 4-butylene glycol, 1, 2-hexylene glycol, 1, 6-hexylene glycol, glycerol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol 200, polyethylene glycol 400, polyethylene glycol 600 and polyethylene glycol 800.
Preferably, the surfactant comprises an anionic surfactant and/or a nonionic surfactant.
Preferably, D of the thermal transfer printing dispersion color paste50Particle size of 50-150 nm, D99The particle diameter is 400nm or less.
The invention also provides a preparation method of the thermal transfer printing dispersion color paste, which comprises the following steps:
mixing a dispersing agent, a thermal transfer printing disperse dye, a humectant, a surfactant, a bactericide and water to obtain a color paste dispersion liquid;
sanding the color paste dispersion liquid and then filtering to obtain heat transfer printing dispersion color paste; the sanding time is 40-60 h/600kg, the abrasive particles for sanding are zirconium beads, and the particle size of the zirconium beads is 0.05-0.2 mu m.
The invention also provides thermal transfer ink which comprises the following components in parts by mass: 20-70 parts of heat transfer printing dispersing color paste, 10-40 parts of humectant, 0.1-5 parts of assistant and 30-60 parts of water; the thermal transfer printing dispersion color paste is the thermal transfer printing color paste prepared by the scheme or the thermal transfer printing dispersion color paste prepared by the preparation method of the scheme.
Preferably, the auxiliary agent comprises one or more of a surfactant, a defoaming agent and a bactericide.
The invention also provides a preparation method of the thermal transfer ink, which comprises the following steps:
mixing water, humectant and auxiliary agent to obtain a mixed solution;
and mixing the mixed solution with the thermal transfer printing dispersion color paste and then filtering to obtain the thermal transfer printing ink.
The invention provides a heat transfer printing dispersion color paste which comprises the following components in parts by mass: 20-30 parts of a dispersing agent, 15-25 parts of a thermal transfer disperse dye, 1-20 parts of a humectant, 0.1-0.5 part of a surfactant, 0.1-0.5 part of a bactericide and 10-20 parts of water; the dispersing agent is prepared from the following raw materials: the mass ratio of the benzyl methacrylate to the initiator is (10-30): (0.5-15): 0.1-5). The dispersing agent used by the heat transfer printing dispersing color paste provided by the invention is prepared by carrying out polymerization reaction on benzyl methacrylate and methacrylate, the obtained dispersing agent is an acrylate type hyperdispersing agent, the dispersing agent is a high-molecular dispersing agent, the thermal cracking temperature is high, and gasification can not occur at the working temperature (200-210 ℃) of heat transfer printing, so that white smoke and odor can not be generated when the color of the ink is developed by the heat transfer printing prepared by the color paste, the dispersing agent has good dispersing performance, the stability of the color paste can be improved, and the heat transfer printing ink prepared by the color paste is not easy to age.
Furthermore, in the thermal transfer printing ink provided by the invention, the acid value of the dispersing agent is more than 120mgKOH/g, the hydrophilicity is better, the grinding efficiency can be improved and the grinding time can be reduced in the process of preparing the thermal transfer printing dispersion color paste, and the obtained thermal transfer printing dispersion color paste has uniform and fine particle size and is not easy to block a spray head.
The invention also provides thermal transfer ink which comprises the following components in parts by mass: 20-70 parts of heat transfer printing dispersing color paste, 10-40 parts of humectant, 0.1-5 parts of assistant and 30-60 parts of water. The thermal transfer ink provided by the invention is colorless and odorless in the coloring process, good in smoothness, high in printing quality, good in spray head moisture retention performance, good in compatibility with various industrial spray heads (such as EPSON, Seiko, Kyocera and Ricoh), not easy to block the spray heads, and capable of prolonging the service life of the spray heads.
The example results show that after the thermal transfer ink provided by the invention is stored for 14 days at 60 ℃, the viscosity and the particle size change are small, and the phenomena of precipitation, flocculation and layering do not occur, and the performance of the obtained product can reach the standard of a superior product by using the thermal transfer ink to perform four-color printing.
Detailed Description
The invention provides a heat transfer printing dispersion color paste which comprises the following components in parts by mass: 20-30 parts of dispersing agent, 15-25 parts of thermal transfer disperse dye, 1-20 parts of humectant, 0.1-0.5 part of surfactant, 0.1-0.5 part of bactericide and 35-45 parts of water.
The thermal transfer printing dispersing color paste provided by the invention comprises 20-30 parts of a dispersing agent, preferably 22-28 parts. In the invention, the dispersing agent is prepared from the following raw materials: the mass ratio of the benzyl methacrylate to the initiator is (10-30): (0.5-15): 0.1-5), preferably (15-25): 5-12): 1-4; the initiator is preferably one or more of azobisisoheptonitrile, azobisisobutyronitrile, azobisisovaleronitrile, dimethyl azobisisobutyrate, azobisisobutyramidine hydrochloride, azobisisobutyrimidazoline hydrochloride, azobisisobutyronitrile formamide, azobisdicyclohexylcarbonitrile and azobiscyanovaleric acid.
In the invention, the solvent comprises water and an organic solvent, and the mass of the water is preferably 1.5-2.5 times that of the organic solvent; the organic solvent is preferably one or more of an alcohol solvent, a ketone solvent and tetrahydrofuran, the alcohol solvent is preferably one or more of ethanol, propanol, glycerol and isopropanol, and the ketone solvent is preferably one or more of butanone, methyl isobutyl ketone, acetone, cyclohexanone and 2-pyrrolidone; the mass ratio of the benzyl methacrylate to the solvent is preferably (10-30): 50-90), and more preferably (15-25): 60-80.
In the present invention, the preparation method of the dispersant preferably includes the steps of:
mixing benzyl methacrylate, an initiator and a solvent, and reacting under an inert atmosphere to obtain the dispersing agent.
In the present invention, the operation of the reaction is specifically preferably as follows:
mixing benzyl methacrylate and a first part of organic solvent to obtain a premixed solution A; mixing potassium methacrylate, a first part of water and a second part of organic solvent to obtain a premixed solution B; mixing the first part of initiator and the third part of organic solvent to obtain a premixed solution C; mixing the rest of the initiator and the fourth part of the organic solvent to obtain a premixed solution D;
adding the residual water and the residual organic solvent into a reaction device, introducing inert gas, adding the premixed liquid A, the premixed liquid B and the premixed liquid C into the reaction device for reaction, adding the premixed liquid D into the reaction device after the reaction is carried out for 3-4 hours, continuing the reaction until the residual amounts of benzyl methacrylate and methacrylate are less than 5%, and then stopping the reaction.
The invention has no special requirements on the dosage of the organic solvents of the first part to the fourth part, and the raw materials in each premixed solution can be completely dissolved; the ratio of the initiator in the premix C to the initiator in the premix D is preferably 3: 2. In the invention, the reaction temperature is preferably 50-120 ℃, and more preferably 60-100 ℃.
In the present invention, when the organic solvent used in the preparation process is not 2-pyrrolidone, the present invention preferably further comprises a post-treatment of the product liquor after the reaction is completed, wherein the post-treatment specifically comprises: adding 2-pyrrolidone into the obtained product feed liquid for distillation. When the solvent used in the preparation process is not 2-pyrrolidone, the solvent is replaced by adding 2-pyrrolidone for distillation, the solvent in the product feed liquid is replaced by 2-pyrrolidone, and the problem that solvents such as butanone and the like damage a spray head can be effectively avoided through solvent replacement.
In the present invention, the acid value of the dispersant is preferably 120mgKOH/g or more, more preferably 120 to 160mgKOH/g, and further preferably 140 mgKOH/g. The dispersing agent used in the invention has higher acid value and good hydrophilicity, and can improve the grinding efficiency and reduce the grinding time in the preparation process of the thermal transfer printing dispersing color paste.
Based on the mass portion of the dispersing agent, the thermal transfer printing dispersion color paste provided by the invention comprises 15-25 parts of thermal transfer printing dispersion dye, and preferably 18-22 parts. The thermal transfer disperse dye is not particularly required by the invention, and the thermal transfer disperse dye known to those skilled in the art can be used, specifically, one or more of disperse dye brown 27, disperse dye blue 360, disperse dye yellow 54, disperse dye blue 359 and disperse dye red 60.
Based on the mass part of the dispersing agent, the thermal transfer printing dispersing color paste provided by the invention comprises 1-20 parts of the humectant, preferably 3-15 parts. In the present invention, the humectant is preferably an alcohol humectant; the alcohol humectant preferably comprises one or more of ethanol, n-propanol, ethylene glycol, diethylene glycol, 1, 2-propylene glycol, 1, 3-propylene glycol, 1, 4-butylene glycol, 1, 2-hexylene glycol, 1, 6-hexylene glycol, glycerol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol 200, polyethylene glycol 400, polyethylene glycol 600 and polyethylene glycol 800.
Based on the mass portion of the dispersing agent, the thermal transfer printing dispersing color paste provided by the invention comprises 0.1-0.5 part of surfactant, preferably 0.2-0.3 part. The surfactant is preferably an anionic surfactant and/or a nonionic surfactant, more preferably a nonionic surfactant; in a specific embodiment of the present invention, the surfactant is preferably one or more of Surfynol 420, Surfynol 465, Surfynol 485, Dynol980, Dynol 604, Dynol 605, EFKA3580, AFCONA3580, and cyans 3308.
Based on the mass portion of the dispersing agent, the heat transfer printing dispersing color paste provided by the invention comprises 0.1-0.5 part of bactericide, preferably 0.2-0.3 part. In the present invention, the bactericide is preferably an isothiazoline bactericide, and in a specific embodiment of the present invention, the bactericide is preferably Proxel GXL.
Based on the mass portion of the dispersing agent, the thermal transfer printing dispersing color paste provided by the invention comprises 35-45 parts of water, and preferably 38-42 parts of water. The invention has no special requirement on water used in the thermal transfer printing dispersion color paste, and the water which is well known by the technicians in the field can be used, such as deionized water.
In the invention, D of the thermal transfer printing dispersion color paste50The particle size is preferably 50 to 150nm, more preferably 80 to 120nm, D99The particle size is preferably 400nm or less, more preferably 200 to 300 nm.
The invention also provides a preparation method of the thermal transfer printing dispersion color paste, which comprises the following steps:
mixing a dispersing agent, a thermal transfer printing disperse dye, a humectant, a surfactant, a bactericide and water to obtain a color paste dispersion liquid;
and sanding the color paste dispersion liquid and then filtering to obtain the heat transfer printing dispersion color paste.
The invention has no special requirements on the mixing mode, and all the raw materials can be uniformly mixed; in the invention, the sanding time is preferably 40-60 h/600kg (namely 40-60 h per 600kg of color paste is sanded), more preferably 45-50 h/600kg, the abrasive particles for sanding are preferably zirconium beads, and the particle size of the zirconium beads is preferably 0.05-0.2 μm, more preferably 0.1-0.15 μm; in the specific embodiment of the invention, sanding is stopped until the grain diameter of the obtained color paste meets the requirements of the scheme; the dispersing agent used in the thermal transfer printing dispersing color paste has high acid value and good hydrophilicity, can obviously improve the sanding efficiency, and can reduce the sanding time by 50 percent compared with the traditional dispersing agent.
The invention also provides thermal transfer ink which comprises the following components in parts by mass: 20-70 parts of heat transfer printing dispersing color paste, 10-40 parts of humectant, 0.1-5 parts of assistant and 30-60 parts of water.
The thermal transfer ink provided by the invention comprises 20-70 parts of thermal transfer dispersion color paste, preferably 30-60 parts. In the invention, the thermal transfer printing dispersion color paste is the thermal transfer printing dispersion color paste prepared by the scheme or the thermal transfer printing dispersion color paste prepared by the preparation method of the scheme.
Based on the mass parts of the thermal transfer printing dispersion color paste, the thermal transfer printing ink provided by the invention comprises 10-40 parts of humectant, preferably 20-30 parts. In the invention, the selectable types of the humectant are consistent with those of the humectant in the thermal transfer printing dispersion color paste in the scheme, and are not described again.
Based on the mass parts of the thermal transfer printing dispersion color paste, the thermal transfer printing ink provided by the invention comprises 0.1-5 parts of an auxiliary agent, preferably 1-4 parts. In the invention, the auxiliary agent preferably comprises one or more of a surfactant, a defoaming agent and a bactericide, and specifically, in the thermal transfer ink, the mass part of the surfactant is preferably 0.1-2 parts, the mass part of the defoaming agent is preferably 0.1-2 parts, and the mass part of the bactericide is preferably 0.1-1 part; in the invention, the optional types of the surfactant and the bactericide are preferably the same as the types of the surfactant and the bactericide in the thermal transfer printing dispersion color paste in the scheme, and are not described again; the invention does not require any particular kind of defoamer, and defoamers known to the person skilled in the art may be used, such as Surfynol 104H and/or Rhodoline DF 5642.
Based on the mass portion of the thermal transfer printing dispersion color paste, the thermal transfer printing ink provided by the invention comprises 30-60 parts of water, and preferably 40-50 parts of water. The water is not particularly required in the present invention, and water known to those skilled in the art, such as deionized water, may be used.
The invention also provides a preparation method of the thermal transfer ink, which comprises the following steps:
mixing water, humectant and auxiliary agent to obtain a mixed solution;
and mixing the mixed solution with the thermal transfer printing dispersion color paste and then filtering to obtain the thermal transfer printing ink.
According to the invention, water, humectant and auxiliary agent are preferably stirred and mixed for 15-20 min at room temperature to obtain a mixed solution, and the stirring speed is preferably 100-200 rpm, more preferably 130-150 rpm.
After a mixed solution is obtained, the heat transfer printing dispersion color paste is preferably added into the mixed solution and stirred for 0.5-1 h, and then filtration is carried out; the rotating speed of the stirring is preferably 100-200 rpm, and more preferably 130-150 rpm; the filtration membrane is preferably a polyvinylidene fluoride (PVDF) membrane, and the pore size of the filtration membrane is preferably 1 μm.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
The dispersants used in the following examples were prepared by the following method:
uniformly mixing 200g of benzyl methacrylate, 140g of butanone and 30g of isopropanol to obtain a premixed solution A; uniformly mixing 25g of potassium methacrylate, 200g of water and 25g of isopropanol to obtain a premixed solution B; mixing and stirring 30.5g of butanone and 7g of azodicyan valeric acid until the mixture is dissolved to obtain a premixed solution C; then, 20g of butanone and 4.3g of azobiscyanovaleric acid were mixed and stirred until dissolved, thereby obtaining a premix D.
Introducing nitrogen into a reaction bottle provided with a condensation reflux device, adding 300g of water and 18.2g of isopropanol, heating to 90-100 ℃, refluxing for half an hour, and removing air; then slowly adding the premixed solution A, B and the premixed solution C into a reaction bottle for reaction; the reaction temperature is 90 ℃, after about 5.5 hours of reaction, the premixed solution D is added into a reaction bottle and reacts for about 1 hour, and the reaction is stopped when the amount of the residual monomer is detected to be less than 5 percent; connecting the reaction bottle to a distillation device, pouring 300g of 2-pyrrolidone into the reaction bottle, heating to 90 ℃ to evaporate butanone and isopropanol, and performing solvent replacement to obtain the dispersing agent.
And (3) stability testing: the obtained dispersant was stored in an oven at 60 ℃ for 14 days, the appearance of the dispersant before and after storage was observed, and the viscosity thereof was measured, and the obtained results are shown in table 1;
table 1 stability test results of dispersants
As can be seen from Table 1, the dispersant prepared according to the present invention has good thermal stability, and the viscosity and appearance are not substantially changed after being stored in an oven at 60 ℃ for 14 days.
In addition, the thermal cracking temperature of the obtained dispersant was measured, and the result showed that the thermal cracking temperature of the dispersant was 320 ℃.
Examples 1 to 4
The thermal transfer printing dispersion color paste is prepared by using the dispersing agent, the mass fraction of the thermal transfer printing dispersion dye in the color paste is 20%, and the formula of the thermal transfer printing dispersion color paste in the embodiments 1-4 is shown in Table 2.
The preparation method of the thermal transfer printing dispersion color paste comprises the following steps: mixing the raw materials to obtain a color paste dispersion liquid, injecting the color paste dispersion liquid into a ceramic sand mill for grinding, wherein zirconium beads are used as abrasive particles in the grinding, the particle size of the grinding particles is 0.05-0.2 mu m, and D of the ground color paste50Controlled at 50-150 nm, D99The particle diameter is controlled to be<400nm, discharging and filtering after the standard is reached to obtain the thermal transfer printing dispersion color paste, wherein the specific particle size of the color paste and the grinding time required for reaching the grinding end point are shown in a table 2.
Comparative examples 1 to 4
The dispersant used in comparative examples 1-4 was sodium lignosulfonate (85A), and the formula of the color paste is shown in table 2; the preparation method of the color paste is the same as that in the embodiments 1-4, and the specific particle size of the obtained color paste and the grinding time required for reaching the grinding end point are shown in Table 2.
Table 2 formulas of thermal transfer printing dispersion color pastes in examples 1 to 4 and comparative examples 1 to 4
As can be seen from the data in Table 2, the thermal transfer dispersion pastes prepared in examples 2 to 5, which have the same formulation, have reduced time to end point by about 50% as compared with comparative examples 1 to 4, have lower viscosity, and are more suitable for preparing high-concentration thermal transfer inks, especially for Epson inks (viscosity 3 to 5 mP. s (@25 ℃).
Examples 5 to 8
The thermal transfer inks prepared in examples 1 to 4 were used in the thermal transfer dispersion pastes, and the formulations of the thermal transfer inks prepared in examples 5 to 8 are shown in Table 3.
The preparation method of the thermal transfer ink comprises the following steps: adding deionized water, a humectant, a surfactant, a defoaming agent and a bactericide in sequence, stirring at normal temperature and 200rpm for 15min, fully mixing uniformly, adding the thermal transfer printing dispersion color paste, stirring for 1h, and filtering by using a PVDF membrane with the pore diameter of 1.0 mu m to obtain the thermal transfer printing ink.
Comparative examples 5 to 8
The thermal transfer printing ink is prepared by using the thermal transfer printing dispersion color paste prepared in the comparative examples 1-4, and the formula of the ink is shown in Table 3; the preparation method of the ink was the same as in examples 5 to 8.
TABLE 3 formulations of thermal transfer inks in examples 5-8 and comparative examples 5-8
As can be seen from table 3, in the case of the ultra-high concentration ink suitable for the Epson-series piezoelectric nozzle, the ink in the example can be added with more humectant than the ink in the comparative example in the ink with the same concentration and the same viscosity, so that the ink in the example has better fluency and the nozzle has more excellent moisture retention performance.
High temperature storage stability test: 1kg of each of the thermal transfer inks prepared in examples 5 to 8 and comparative examples 5 to 8 was put in an oven at 60 ℃ and taken out after 14 days without shaking, and after returning to normal temperature, the appearance was observed, and whether the phenomena such as delamination and flocculation occurred or not was observed, and whether the relevant parameters were qualified or not was tested, and the specific test results are shown in table 4.
TABLE 4 test results of high-temperature storage stability of thermal transfer inks of examples 5 to 8 and comparative examples 5 to 8
The open time test method comprises the following steps: and removing the ink stack from the spray head, staying for a period of time and moving back to the ink stack, and detecting the number of broken holes before and after removal by using the printing test strip.
As can be seen from Table 4, after 14 days of high temperature storage, the inks of examples 5 to 8 have small changes in particle size and viscosity, while the inks of comparative examples 5 to 8 have large changes in viscosity and particle size, wherein the ink particle size of comparative examples 5 to 7 has changed by more than 5% and the viscosity of comparative examples 5 to 6 has changed by more than 10%, and the stability requirement cannot be satisfied. Therefore, the thermal transfer ink in the embodiment of the invention has stability greatly superior to that of the thermal transfer ink in the comparative example, and the open time of the thermal transfer ink in the embodiment is longer, which can meet the requirement.
Printing application performance test: the thermal transfer inks prepared in examples 5-8 and comparative examples 5-8 were used to perform thermal transfer printing of four colors on textiles, and the application properties of the printed textiles were tested, and the test results are shown in table 5.
TABLE 5 comparison of the application Properties of the four-color printing after color development of the thermal transfer inks
As can be seen from Table 5, the product prepared by the thermal transfer ink provided by the invention can reach the standard of superior products, and the application performance is far better than that of the ink in the application comparison example.
In addition, observation in the thermal transfer process shows that white smoke does not occur in the whole thermal transfer process, and no odor is generated, which indicates that the ink provided by the invention is a smokeless and odorless thermal transfer ink.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The heat transfer printing dispersion color paste is characterized by comprising the following components in parts by mass: 20-30 parts of a dispersing agent, 15-25 parts of a thermal transfer disperse dye, 1-20 parts of a humectant, 0.1-0.5 part of a surfactant, 0.1-0.5 part of a bactericide and 35-45 parts of water;
the dispersing agent is prepared from the following raw materials: the mass ratio of the benzyl methacrylate to the initiator is (10-30): (0.5-15): 0.1-5).
2. The thermal transfer printing dispersing color paste according to claim 1, wherein the acid value of the dispersing agent is more than 120 mgKOH/g.
3. The thermal transfer printing dispersion color paste according to claim 1, wherein the humectant is an alcohol humectant.
4. The thermal transfer printing dispersion color paste according to claim 3, wherein the alcohol humectant comprises one or more of ethanol, n-propanol, ethylene glycol, diethylene glycol, 1, 2-propylene glycol, 1, 3-propylene glycol, 1, 4-butylene glycol, 1, 2-hexanediol, 1, 6-hexanediol, glycerol, diethylene glycol, triethylene glycol, tetraethylene glycol, polyethylene glycol 200, polyethylene glycol 400, polyethylene glycol 600 and polyethylene glycol 800.
5. The thermal transfer printing dispersion color paste according to claim 1, wherein the surfactant comprises an anionic surfactant and/or a nonionic surfactant.
6. The thermal transfer printing dispersion color paste according to claim 1, wherein D of the thermal transfer printing dispersion color paste50Particle size of 50-150 nm, D99The particle diameter is 400nm or less.
7. The preparation method of the thermal transfer printing dispersing color paste according to any one of claims 1 to 6, which is characterized by comprising the following steps:
mixing a dispersing agent, a thermal transfer printing disperse dye, a humectant, a surfactant, a bactericide and water to obtain a color paste dispersion liquid;
sanding the color paste dispersion liquid and then filtering to obtain heat transfer printing dispersion color paste; the sanding time is 40-60 h/600kg, the abrasive particles for sanding are zirconium beads, and the particle size of the zirconium beads is 0.05-0.2 mu m.
8. The thermal transfer ink is characterized by comprising the following components in parts by mass: 20-70 parts of heat transfer printing dispersing color paste, 10-40 parts of humectant, 0.1-5 parts of assistant and 30-60 parts of water; the thermal transfer printing dispersion color paste is the thermal transfer printing color paste in any one of claims 1 to 6 or the thermal transfer printing dispersion color paste prepared by the preparation method in claim 7.
9. The thermal transfer ink of claim 8, wherein the adjuvant comprises one or more of a surfactant, a defoamer, and a biocide.
10. A method of preparing a thermal transfer ink according to claim 8 or 9, comprising the steps of:
mixing water, humectant and auxiliary agent to obtain a mixed solution;
and mixing the mixed solution with the thermal transfer printing dispersion color paste and then filtering to obtain the thermal transfer printing ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193464.9A CN112900114B (en) | 2021-02-20 | 2021-02-20 | Thermal transfer printing dispersion color paste and preparation method thereof, thermal transfer printing ink and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193464.9A CN112900114B (en) | 2021-02-20 | 2021-02-20 | Thermal transfer printing dispersion color paste and preparation method thereof, thermal transfer printing ink and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112900114A true CN112900114A (en) | 2021-06-04 |
| CN112900114B CN112900114B (en) | 2022-06-21 |
Family
ID=76124107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110193464.9A Active CN112900114B (en) | 2021-02-20 | 2021-02-20 | Thermal transfer printing dispersion color paste and preparation method thereof, thermal transfer printing ink and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112900114B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621269A (en) * | 2021-08-30 | 2021-11-09 | 东莞市优墨数字喷墨技术有限公司 | Dispersive antibacterial thermal transfer ink and preparation method thereof |
| CN114892422A (en) * | 2022-04-02 | 2022-08-12 | 福建赛孔雀新材料科技有限公司 | Smokeless or less-smokeless high-strength permeable ink and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981735A (en) * | 2014-05-21 | 2014-08-13 | 上海贝通色彩科技有限公司 | Water-based thermal transfer printing paste and preparation method thereof |
| CN109853256A (en) * | 2019-01-10 | 2019-06-07 | 深圳市墨库图文技术有限公司 | A kind of nylon fabric thermal transfer ink and preparation method thereof |
| CN111171216A (en) * | 2020-01-02 | 2020-05-19 | 传美讯电子科技（珠海）有限公司 | Water-based dispersant, preparation method and application |
| CN111253806A (en) * | 2020-03-02 | 2020-06-09 | 传美讯电子科技（珠海）有限公司 | Structured acrylic dispersing agent and preparation method thereof, and aqueous inkjet thermal transfer printing disperse dye color paste and preparation method thereof |
-
2021
- 2021-02-20 CN CN202110193464.9A patent/CN112900114B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981735A (en) * | 2014-05-21 | 2014-08-13 | 上海贝通色彩科技有限公司 | Water-based thermal transfer printing paste and preparation method thereof |
| CN109853256A (en) * | 2019-01-10 | 2019-06-07 | 深圳市墨库图文技术有限公司 | A kind of nylon fabric thermal transfer ink and preparation method thereof |
| CN111171216A (en) * | 2020-01-02 | 2020-05-19 | 传美讯电子科技（珠海）有限公司 | Water-based dispersant, preparation method and application |
| CN111253806A (en) * | 2020-03-02 | 2020-06-09 | 传美讯电子科技（珠海）有限公司 | Structured acrylic dispersing agent and preparation method thereof, and aqueous inkjet thermal transfer printing disperse dye color paste and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 凌云星等: "《油墨技术手册（中）》", 31 May 2009, 印刷工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113621269A (en) * | 2021-08-30 | 2021-11-09 | 东莞市优墨数字喷墨技术有限公司 | Dispersive antibacterial thermal transfer ink and preparation method thereof |
| CN114892422A (en) * | 2022-04-02 | 2022-08-12 | 福建赛孔雀新材料科技有限公司 | Smokeless or less-smokeless high-strength permeable ink and preparation method thereof |
| CN114892422B (en) * | 2022-04-02 | 2024-04-30 | 福建赛孔雀新材料科技有限公司 | Smokeless or low-smoke high-strength permeation type ink and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112900114B (en) | 2022-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106497222B (en) | Full-aqueous plastic flexographic ink and preparation method thereof | |
| CN112900114B (en) | Thermal transfer printing dispersion color paste and preparation method thereof, thermal transfer printing ink and preparation method thereof | |
| US6541590B1 (en) | Polymeric binders from copolymers of unsaturated carboxylic acids and surfactant monomers | |
| JP5490159B2 (en) | Ink composition, image forming method, and printed matter using the same | |
| US8349922B2 (en) | Pigment dispersion, water-based pigment dispersion liquid, and inkjet recording ink and method for producing water-based pigment dispersion liquid | |
| TWI415908B (en) | Manufacturing method of aqueous pigment dispersion and ink for ink-jet recording | |
| CN101899237B (en) | Latex-type waterborne pigment oil ink for inkjet printing of non-absorbed substrate as well as preparation method and applications thereof | |
| CN107400413A (en) | A kind of nanometer water-based paint ink-jet ink and preparation method thereof | |
| JP2005171223A (en) | Polymer composition for inkjet ink, pigment dispersion composition for inkjet ink and method of producing thereof | |
| CN114479561B (en) | Smokeless digital printing ink and preparation method thereof | |
| CN107652777A (en) | A kind of environment-friendly aqueous nanometer is modified ink-jet ink and its preparation method and application | |
| CN107987612B (en) | Water-based Jing porcelain Single-pass high-speed ink-jet printing thermal transfer ink and preparation method thereof | |
| CN107400411B (en) | High-speed printing water-based gravure ink for non-absorbent substrate | |
| CN105440785A (en) | Gravure water-based ink for ivory board and printing method | |
| CN107459867B (en) | Aqueous polyurethane composite ink with ultrahigh solid content and low viscosity | |
| JP5779841B2 (en) | Water-based inkjet recording ink | |
| CN111116843B (en) | Grafting type dispersing agent and preparation method and application thereof | |
| CN112457710A (en) | Temperature-resistant composite-color water-based ink applied to helmet | |
| CN106133073B (en) | Aqueous inkjet pigment dispersion and its manufacturing method and aqueous inkjet ink | |
| JP4872200B2 (en) | Aqueous pigment dispersion for inkjet ink and inkjet ink composition | |
| JP2016216568A (en) | Pigment dispersion and inkjet ink | |
| JP2017039879A (en) | Copolymer, ink, recorded matter, ink cartridge and recording apparatus | |
| CN111500113A (en) | Copper plate paper gravure water-based ink and preparation method thereof | |
| CN110819164B (en) | PVC furniture film aqueous jet printing ink and preparation method thereof | |
| JP2020132691A (en) | Ink, ink containing container, recording method, recording device, and method for producing ink |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 1st and 2nd Floor East Area and 3rd and 4th Floor, Phase II Logistics Center Plant, No. 3, Dingwan 7th Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province, 519000 Patentee after: Zhuhai Chuanmeixun New Materials Co.,Ltd. Address before: 519040 the first and second floors of the east area and the third and fourth floors of the second phase logistics center plant, No.3, Zhenning Bay seventh Road, Sanzao, Jinwan District, Zhuhai City, Guangdong Province Patentee before: TrendVision Electronics Science Technology (Zhuhai) Co.,Ltd. |