CN106752368B - High-viscosity dye type black neutral ink - Google Patents
High-viscosity dye type black neutral ink Download PDFInfo
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- CN106752368B CN106752368B CN201710069041.XA CN201710069041A CN106752368B CN 106752368 B CN106752368 B CN 106752368B CN 201710069041 A CN201710069041 A CN 201710069041A CN 106752368 B CN106752368 B CN 106752368B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
- C09D11/17—Writing inks characterised by colouring agents
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a high-viscosity dye type black neutral ink which comprises the following raw materials: the water-based paint comprises a black dye, an anionic waterborne polyurethane-acrylate composite emulsion, polyoxyethylene ether, polyacrylamide, sodium polyacrylate, carboxymethyl chitosan, chondroitin sulfate, lecithin, superfine aluminum silicate, coarse whiting powder, nano silicon dioxide, modified starch and deionized water. The ink disclosed by the invention is high in viscosity, completely solves the problems of ink leakage, backflow, water overflow and the like, has typical thixotropy, good lubricity, is smooth to write, does not stagnate the pen, has the advantages of firm coloring, smooth to write, high temperature resistance and the like, improves the coloring and color-preserving performance of the ink, is good in stability, does not precipitate, stratifies and reunites after being stored for a long time, is smooth and durable to write, is stable in performance, does not block the pen point, can effectively prevent the ink from fading, and prolongs the writing preservation time; the raw materials are nontoxic and harmless, and are safe and environment-friendly.
Description
Technical Field
The invention belongs to the technical field of ink, and relates to high-viscosity dye type black neutral ink.
Background
The viscosity of the neutral ink is between that of the oil-based ball-point pen ink and that of the water-based ball-point pen ink, the viscosity is a key factor influencing the quality of the neutral ink, and the neutral ink has the characteristics of smooth writing, clear handwriting, good color and luster feeling, water resistance, sun resistance, long storage time and the like, and is widely accepted and used by consumers.
China is the first major country for producing gel ink pens, but most of the ink used by the gel ink pens to date depends on import, although the gel ink is developed by various enterprises, the quality of the gel ink produced in China is unsatisfactory, the variety is small, the formula of the ink is unreasonable, the ink has poor pseudoplasticity, ink leakage, backflow and water overflow occur when the viscosity is low, and the ink has the defects of low ink yield, poor lubricity, insufficient smoothness of writing and the like when the viscosity is high. Therefore, the development and development market prospect and the economic benefit of the neutral ink are very considerable.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the high-viscosity dye type black neutral ink which has typical thixotropy and good lubricity, is smooth to write, simultaneously completely solves the problems of ink leakage, backflow and the like, and has the advantages of firm coloring, smooth writing, high temperature resistance and the like.
The technical scheme of the invention is as follows:
a high-viscosity dye type black neutral ink comprises the following raw materials in parts by weight: 30-45 parts of black dye, 5-8 parts of anionic waterborne polyurethane-acrylate composite emulsion, 5-8 parts of polyoxyethylene ether, 8-10 parts of polyacrylamide, 15-20 parts of sodium polyacrylate, 10-15 parts of carboxymethyl chitosan, 6-10 parts of chondroitin sulfate, 6-8 parts of lecithin, 5-8 parts of superfine aluminum silicate, 3-5 parts of heavy calcium powder, 15-17 parts of nano silicon dioxide, 6-8 parts of modified starch and 75-90 parts of deionized water.
The black dye is direct black, acid black, vat black and the like.
The superfine aluminum silicate is 3000 meshes.
The coarse whiting powder is 2500 meshes.
The nano silicon dioxide is preferably modified, and the modification method comprises the following steps: adding nano SiO2 into ethylene glycol according to a mass ratio of 1: 5-8, carrying out ultrasonic treatment for 20min, dropwise adding 3-aminopropyltriethoxysilane, heating and refluxing for 20-24 h, carrying out suction filtration, washing a filter cake with absolute ethyl alcohol, drying, dispersing into deionized water, adjusting the dispersion concentration to 15-20 g/L, dropwise adding 0.2mol/L of titanium ammonium oxalate under the protection of inert gas until the concentration of the titanium ammonium oxalate in the system is 15-20 mmol/L, dropwise adding 0.05mol/L of nitric acid solution to adjust the pH to 2-3, stirring, reacting at 30-50 ℃ for 25-30 h, carrying out suction filtration, washing the filter cake with absolute ethyl alcohol and distilled water in sequence, and carrying out vacuum drying.
The preparation method of the high-viscosity dye type black neutral ink comprises the following steps: firstly, boiling deionized water, adding modified starch for dissolving, cooling to room temperature, sequentially adding polyoxyethylene ether, polyacrylamide, superfine aluminum silicate and nano silicon dioxide, stirring, ultrasonically oscillating for 20-25 min, then adding carboxymethyl chitosan, chondroitin sulfate, lecithin and coarse whiting powder, uniformly mixing, rapidly stirring for 15min, then dropwise adding an anionic waterborne polyurethane-acrylate composite emulsion while stirring, finally adding a black dye and sodium polyacrylate, stirring for 30min at 50-80 ℃, and sending into a ball mill for ball milling until the granularity of slurry is 950-1000 nm to obtain the nano-composite emulsion.
The high-viscosity dye type black neutral ink is fast cured by adopting an aqueous solvent and is easy to dry, in the formula, the anionic aqueous polyurethane-acrylate composite emulsion is a novel adhesive, has high surface activity, good ecological safety and intermiscibility, can form a coating on the surface of dried handwriting, and has good water resistance, mechanical property, thermal stability, adhesive force, impact strength, hardness and flexibility. The added polyacrylamide, carboxymethyl chitosan, modified starch and the like have strong water absorption capacity and high water retention capacity, can repeatedly release and absorb water, effectively prevent dehydration, increase viscosity, ensure firm adhesion of handwriting and can be kept in the sun, at high temperature and in water for a long time without falling off. Proper amount of lecithin and superfine aluminum silicate are added to increase the water resistance and heat resistance. The nano silicon dioxide, especially the modified nano silicon dioxide, has good dispersion in aqueous solution, can be compounded with ions brought by other components in an ink formula to initiate a polymerization system, carries out surface graft polymerization, and utilizes a steric hindrance effect. Part of the groups of the polymer are dissociated and charged, and adsorbed on the surface of the inorganic particles. The stability of the system is increased, and the problems of precipitation, agglomeration and the like are overcome. The added sodium polyacrylate is a thickening agent with various special properties, has the function of fixing metal ions and can prevent the negative effect of free metal ions. The heavy calcium powder has weather resistance and color retention, the chondroitin sulfate and the polyoxyethylene ether effectively improve the lubricating property during writing, the writing film is tough and firm, and the pen point is not easy to dry.
Compared with the prior art, the high-viscosity dye type black neutral ink has the beneficial effects that: the ink has high viscosity, completely solves the problems of ink leakage, backflow, water overflow and the like, has typical thixotropy, good lubricity, is smooth to write, does not lead to stagnation, has the advantages of firm coloring, smooth writing, high temperature resistance and the like, improves the coloring and color retention performance of the ink, has good stability, does not generate precipitation, layering and agglomeration after long-term storage, is smooth and durable to write, has stable performance, can not block a pen point, can effectively prevent the ink from fading and prolong the preservation time of handwriting; the raw materials are nontoxic and harmless, and are safe and environment-friendly.
Detailed Description
The invention is further illustrated by the following specific examples, it being understood that the preparation of the examples is illustrative only and is not intended to be limiting; on the premise of the conception of the invention, simple modification of the preparation method of the invention belongs to the protection scope of the invention.
Example 1
A high-viscosity dye type black neutral ink comprises the following raw materials in parts by weight: 42.7 parts of reduced direct black DB, 6 parts of anionic waterborne polyurethane-acrylate composite emulsion, 6.6 parts of polyoxyethylene ether, 9 parts of polyacrylamide, 18 parts of sodium polyacrylate, 13.6 parts of carboxymethyl chitosan, 8 parts of chondroitin sulfate, 7.5 parts of lecithin, 6 parts of superfine aluminum silicate, 4 parts of heavy calcium powder, 16 parts of nano silicon dioxide, 7.5 parts of modified starch and 85 parts of deionized water.
The preparation method comprises the following steps: firstly, boiling deionized water, adding modified starch for dissolving, cooling to room temperature, sequentially adding polyoxyethylene ether, polyacrylamide, superfine aluminum silicate and nano silicon dioxide, stirring, ultrasonically oscillating for 25min, then adding carboxymethyl chitosan, chondroitin sulfate, lecithin and coarse whiting powder, uniformly mixing, rapidly stirring for 15min, then dropwise adding an anionic waterborne polyurethane-acrylate composite emulsion under stirring, finally adding a black dye and sodium polyacrylate, stirring for 30min at 50-80 ℃, and sending into a ball mill for ball milling until the granularity of slurry is 950-1000 nm, thus obtaining the modified starch.
Example 2
A high-viscosity dye type black neutral ink comprises the following raw materials in parts by weight: 30 parts of reduced direct black BCN, 5.5 parts of anionic waterborne polyurethane-acrylate composite emulsion, 5 parts of polyoxyethylene ether, 8 parts of polyacrylamide, 15 parts of sodium polyacrylate, 12 parts of carboxymethyl chitosan, 6 parts of chondroitin sulfate, 6 parts of lecithin, 5.5 parts of superfine aluminum silicate, 3 parts of heavy calcium powder, 15 parts of nano silicon dioxide, 6 parts of modified starch and 75 parts of deionized water.
The preparation method is the same as example 1.
Example 3
A high-viscosity dye type black neutral ink comprises the following raw materials in parts by weight: the modified polyurethane-acrylate composite emulsion comprises, by weight, 17245 parts of acid black, 8 parts of anionic waterborne polyurethane-acrylate composite emulsion, 8 parts of polyoxyethylene ether, 10 parts of polyacrylamide, 20 parts of sodium polyacrylate, 14.5 parts of carboxymethyl chitosan, 10 parts of chondroitin sulfate, 8 parts of lecithin, 8 parts of superfine aluminum silicate, 5 parts of heavy calcium powder, 17 parts of nano silicon dioxide, 8 parts of modified starch and 90 parts of deionized water.
The preparation method is the same as example 1.
Example 4
The difference from the embodiment 1 is that the nano-silica is modified nano-silica, and the modification method comprises the following steps: adding nano SiO2 into ethylene glycol according to the mass ratio of 1:6, carrying out ultrasonic treatment for 20min, dropwise adding 3-aminopropyltriethoxysilane, heating and refluxing for 20h, carrying out suction filtration, washing a filter cake with absolute ethyl alcohol, drying, dispersing into deionized water to obtain a dispersion concentration of 18g/L, dropwise adding 0.2mol/L titanium ammonium oxalate under the protection of inert gas until the concentration of the titanium ammonium oxalate in a system is 15-20 mmol/L, dropwise adding 0.05mol/L nitric acid solution to adjust the pH to 2, stirring, reacting at 30-50 ℃ for 25h, carrying out suction filtration, washing the filter cake with absolute ethyl alcohol and distilled water in sequence, and carrying out vacuum drying.
The test results of the neutral inks obtained in examples 1 to 4 and written on plain paper are shown in Table 1.
TABLE 1
The data of a comparison experiment also show that the viscosity of the neutral black ink is obviously higher than that of the common neutral ink, the neutral black ink has obvious thixotropy, good pseudoplasticity, larger viscosity of the ink when the neutral black ink is static, smaller viscosity of the ink under the action of shearing force, smooth writing, uniform and stable linear form, stronger adhesive force, water soaking resistance, sunlight resistance, high temperature resistance, difficult shedding, stable color generation and the like, and the ink has the characteristics of quick curing time, difficult fading and good surface gloss. .
Claims (4)
1. A high-viscosity dye type black neutral ink is characterized by comprising the following raw materials in parts by weight: 30-45 parts of black dye, 5-8 parts of anionic waterborne polyurethane-acrylate composite emulsion, 5-8 parts of polyoxyethylene ether, 8-10 parts of polyacrylamide, 15-20 parts of sodium polyacrylate, 10-15 parts of carboxymethyl chitosan, 6-10 parts of chondroitin sulfate, 6-8 parts of lecithin, 5-8 parts of superfine aluminum silicate, 3-5 parts of heavy calcium powder, 15-17 parts of nano silicon dioxide, 6-8 parts of modified starch and 75-90 parts of deionized water;
the nano silicon dioxide is modified nano silicon dioxide, and the modification method comprises the following steps: nano SiO2Adding the mixture into ethylene glycol according to the mass ratio of 1: 5-8, performing ultrasonic treatment for 20min, and then dropwise addingAdding 3-aminopropyltriethoxysilane, heating and refluxing for 20-24 h, performing suction filtration, washing a filter cake with absolute ethyl alcohol, drying, dispersing into deionized water, adjusting the dispersion concentration to 15-20 g/L, dropwise adding 0.2mol/L titanium ammonium oxalate under the protection of inert gas until the concentration of the titanium ammonium oxalate in a system is 15-20 mmol/L, dropwise adding 0.05mol/L nitric acid solution to adjust the pH to 2-3, stirring, reacting at 30-50 ℃ for 25-30 h, performing suction filtration, washing the filter cake with absolute ethyl alcohol and distilled water in sequence, and performing vacuum drying;
the preparation method of the high-viscosity dye type black neutral ink comprises the following steps: firstly, boiling deionized water, adding modified starch for dissolving, cooling to room temperature, sequentially adding polyoxyethylene ether, polyacrylamide, superfine aluminum silicate and nano silicon dioxide, stirring, ultrasonically oscillating for 20-25 min, then adding carboxymethyl chitosan, chondroitin sulfate, lecithin and coarse whiting powder, uniformly mixing, rapidly stirring for 15min, then dropwise adding an anionic waterborne polyurethane-acrylate composite emulsion while stirring, finally adding a black dye and sodium polyacrylate, stirring for 30min at 50-80 ℃, and sending into a ball mill for ball milling until the granularity of slurry is 950-1000 nm to obtain the nano-composite emulsion.
2. The high-viscosity dye-based black neutral ink according to claim 1, wherein: the black dye is direct black, acid black or vat black.
3. The high-viscosity dye-based black neutral ink according to claim 1, wherein: the superfine aluminum silicate is 3000 meshes.
4. The high-viscosity dye-based black neutral ink according to claim 1, wherein: the coarse whiting powder is 2500 meshes.
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| CN107603337A (en) * | 2017-10-25 | 2018-01-19 | 代延召 | A kind of water-soluble black ink not easy to fade |
| CN108359311B (en) * | 2018-05-25 | 2021-05-11 | 上海晨光文具股份有限公司 | Aqueous anti-halation ink |
| CN110106729B (en) * | 2019-05-29 | 2021-08-24 | 台山新科化工制品有限公司 | Preparation method of printing adhesive for digital printing |
| US20230073595A1 (en) * | 2020-01-30 | 2023-03-09 | Mitsubishi Pencil Company, Limited | Ink composition for water-based ballpoint pen |
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| CN101544864B (en) * | 2009-05-05 | 2011-09-07 | 上海乐美文具有限公司 | Pure blue gel ink and method for manufacturing same |
| JP5825253B2 (en) * | 2010-03-15 | 2015-12-02 | 大正製薬株式会社 | Inkjet ink |
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Address after: 271000 class 10, clinical medicine, School of basic medicine, Shandong First Medical University, Tai'an City, Shandong Province Applicant after: Liu Menghan Address before: Room 701, unit 1, building 26, West District, new world sunshine garden, Huaiyin District, Ji'nan City, Ji'nan City, Shandong Province, 250000 Applicant before: Liu Menghan |
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Effective date of registration: 20220211 Address after: 266109 xichenghui community, Chengyang street, Chengyang District, Qingdao City, Shandong Province Patentee after: QINGDAO ATON STATIONERY CO.,LTD. Address before: 271000 class 10 of clinical medicine, School of basic medicine, Shandong First Medical University, Tai'an City, Shandong Province Patentee before: Liu Menghan |