CN110144141A - A kind of ceramic ink jet printing ink dispersing agent and its preparation method and application - Google Patents
A kind of ceramic ink jet printing ink dispersing agent and its preparation method and application Download PDFInfo
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- CN110144141A CN110144141A CN201910260374.XA CN201910260374A CN110144141A CN 110144141 A CN110144141 A CN 110144141A CN 201910260374 A CN201910260374 A CN 201910260374A CN 110144141 A CN110144141 A CN 110144141A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
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- 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
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
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Abstract
The invention discloses a kind of ceramic ink jet printing ink dispersing agents and its preparation method and application, the dispersing agent is linear phenolic resin and the sulfonate that the reaction of sultones class compound generates, dispersing agent of the invention can under the dicyandiamide solution of water dispersed ceramic inorganic pigment, prepare the water-based ceramic ink of inkjet printing, the average grain diameter of ink can reach 0.8 μm or less, viscosity is low, and stability is good.The preparation method of dispersing agent of the invention is easy to get with raw material, and for synthesis process without high-temperature high-voltage reaction, the period is short, and preparation process is simple, the low prepared water-based ceramic ink of overall cost using when it is solvent-free distribute, low cigarette, low toxicity, the advantages that process is environmentally friendly.
Description
Technical field
The present invention relates to ceramic ink jet ink, specifically relate to a kind of ceramic ink jet printing ink dispersing agent and preparation method thereof
And application.
Background technique
Most ceramic needs the coated ceramic ink on surface, and depicting pattern, tradition calls glaze, then high
Temperature is fired.Ceramic glaze after firing can show beautiful pattern, also more wear-resisting, tolerance chemical reagent such as acid, alkali, dyestuff
Erosion.
Currently, the ink that the overwhelming majority is applied to ceramics is the ink based on inorganic pigment dispersion.
The application of these ceramic inks can use silk-screen printing and intaglio printing, they are suitable for producing in large quantity, uncomfortable
For small lot, production is customized.
The technology that another kind carries out printed decoration to ceramics is the digital printing by ink-jet technology.
Due to using the injection diameter of the spray head of the printing device of ceramic ink to be generally 30-100 μm, in order at high speeds
Spray orifice is flowed through without blocking, and inorganic pigment must be well dispersed into liquid medium, and diameter is lower than 1 μm.This ruler
Very little inorganic pigment ink is usually to be ground using microsphere to pigment in having grinding aid medium, to obtain
Even dispersion.
On the other hand, existing ceramic ink is generally solvent-based ink, need to be unfavorable for giving birth to a large amount of organic solvents are added
Produce operator health and pollution environment, with people's environmental consciousness gradually reinforce and relevant laws and regulations gradual perfection,
Research and development high-performance, the even free of contamination ceramic printing technology of low pollution are necessarily becoming for ceramic ink jet printing technology development
Gesture.
Ceramic ink jet ink based on aqueous inorganic pigment dispersion, it is most important that aqueous dispersion both needed
And water-soluble and certain adhesive force can be needed with the anchoring group in conjunction with inorganic pigment.
Summary of the invention
Goal of the invention: in view of the problems of the existing technology, the present invention provides a kind of ceramic ink jet printing ink dispersion
Agent, which is suitable for the grinding distribution inorganic pigment in aqueous grinding phase, and prevents the nano grade inorganic face in final ink
The reunion and sedimentation of material.The water-based ceramic ink of inkjet printing produced has viscosity low, and average grain diameter is less than 0.8 μ
M, stable storage, inkjet printable form permanent glaze pattern after ceramic surface, sintering, and comprehensive performance meets ceramic industry
Demand.
The present invention also provides the preparation method and application of the ceramic ink jet printing ink dispersing agent.
Technical solution: to achieve the goals above, a kind of ceramic ink jet printing ink dispersing agent as described in the present invention,
The dispersing agent is the reaction product sulfonate of linear phenolic resin and sultones class compound, and structural formula is shown in chemical formula (1)
Wherein:
R represents 1,3- propane group (- CH2-CH2-CH2) or Isosorbide-5-Nitrae-butane group (- CH2-CH2-CH2-CH2) or 1,
3- butane group group (- CH2-CH(CH3)-CH2) or 1,3- propylene group (- CH2-CH2=CH2) or 1,8- naphthyl groupM and n is integer, and 2≤m≤10,2≤n≤10, m+n≤12.
Wherein, in chemical formula (1), 2≤m≤10, preferably m≤5；2≤n≤10, preferably m≤5.
Wherein, the number-average molecular weight of the dispersing agent is 700-3700.
Preferably, the linear phenolic resin is linear chain structure, number-average molecular weight 400-1300.More preferable 500-
1200, even more preferably 600-1100, particularly preferred 700-1000 is commercially available, such as from Hebei Ren County Cheng Feng resin processing plant (quotient
The name of an article be thermoplastic phenolic resin powder) and Henan strand limited industrial company (trade name phenolic resin block) buy.
Preferably, the sultones class compound can be 1,3-N-morpholinopropanesulfonic acid lactonesIt is tried from Shanghai purple one
Agent factory buys；Or 1,4- fourth sulfonic acid lactonesFrom Shanghai, Pu Zhen Biotechnology Co., Ltd is bought；Or 4- hydroxyl -2-
Butane sulfonic acid gamma- lactonesFrom Shanghai, Di Bai chemicals Technology Co., Ltd. is bought；Or acrylic -1,3- sulfonic acid
LactonesFrom Rui Ding chemical technology, (Shanghai) Co., Ltd. is bought；Or 1,8- naphthalene sulfonic acids lactonesFrom sky
Farsighted chemistry (Shanghai) Co., Ltd. buys.The sultones class compound preferably can be 1,3- propane sulfonic acid lactones
With 1,4- fourth sulfonic acid lactonesMore preferable 1,3- propane sulfonic acid lactones
The preparation method of ceramic ink jet printing ink dispersing agent of the present invention, includes the following steps:
(1) sodium hydride or metallic sodium are put into flask at room temperature, the tetrahydrofuran containing linear phenolic resin is slowly added dropwise
Solution reacts after adding, and adds the tetrahydrofuran solution of the compound of class containing sultones, then normal-temperature reaction, reheats anti-
It answers；
(2) hexamethylene is added after reaction, stirs, precipitating is washed, low temperature drying obtains repeatedly after centrifugation obtains solid
To finished product.
Ceramic ink jet printing ink dispersing agent of the present invention is in the water-based ceramic ink for preparing inkjet printing
Using.
Wherein, the water-based ceramic ink for preparing inkjet printing includes the following steps:
(1) mixed liquor is prepared, is the inorganic pigment of 5-20%, the water of 65-80% and 5-15% by weight percentage
Dispersing agent；
(2) mixed liquor enters in grinder and is ground, until with the average grain of particle size analyzer sampling Detection to ink
Degree d50 is reduced at 0.8 μm or less and no longer, the reaction of linear phenolic resin and sultones class compound that the dispersing agent is
Product, structural formula are shown in chemical formula (1).
Preferably, the average particle size of the inorganic pigment is 0.1-0.5 μm.
The reaction mechanism of linear phenolic resin described in preparation process and sultones class compound is in the present invention:
(1) hydrogen abstraction reaction occurs for linear phenolic resin and basic nucleophilic reagent, and then with lipoid substance in sulfonic acid open loop occurs for (2) again
Reaction.The basic nucleophilic reagent is one of sodium hydride or metallic sodium, and preferred sodium hydride is secondary to select metallic sodium.
It is obtained with linear phenolic resin (m+n=8), sodium hydride and the 1,3- propane sulfonic acid lactones that number-average molecular weight is 850 or so
The dispersant effect obtained is best.
The pigment and the inorganic face of conventional ceramic for the ceramic ink that the water-based ceramic ink that the present invention prepares inkjet printing uses
Material is different, their granularity is smaller, and distribution is narrower, is suitable for ink-jet and uses.Therefore, the inorganic pigment average particle size that the present invention selects
(d50) less than 0.5 μm, preferably 0.1-0.3 μm, most preferably 0.1-0.2 μm.In addition, the inorganic pigment that the present invention selects is usually
The zirconates and silicate and its oxide of Cr, Sn, Ni, Pr, Fe, Co.
The viscosity of the water-based ceramic ink of the inkjet printing of dispersing agent preparation is 5-30mPas, and preferably 8-
20mPa·s。
Organic sulfonate of the invention belongs to a kind of surfactant, and sulfonic acid group can be with inorganic matter granules of pigments very
Good combination, and the backbone of phenolic resin provides dispersibility in organic solvent, therefore, linear phenolic resin and sulphur
The reaction product of acid lactone class compound can be suitable as antisettling agent and/or the dispersion of the preparation for ceramic ink jet ink
Agent.
The present invention is well suited for using the reaction product of linear phenolic resin and sultones class compound in grinding phase
The pre-dispersed inorganic pigment of middle fluidisation, the nano grade inorganic face that can quickly grind, and be suitable for being then prevented from final ink
The reunion and sedimentation of material.The ceramic ink jet ink based on inorganic pigment is able to satisfy the demand of ceramic industry, has low viscosity,
Wherein inorganic pigment diameter is less than 0.5 μm, has long storage life, and can print in ceramic surface, can by high temperature kiln with
Form permanent glaze printing.
The utility model has the advantages that compared with prior art, the present invention has the advantage that
Contain phenolic resin structure in dispersing agent of the invention.One of most important feature of phenolic resin is exactly high temperature resistant
Property, even if at very high temperatures, being also able to maintain the globality of its structure and the stability of size, just because of this reason,
Glaze cracking does not occur in ceramic ink sintering, the pattern portrayed does not deform；The most important feature of phenolic resin it
Second is that phenolic resin systems have the advantage of low-smoke low-toxicity compared with other resin systems, just because of this reason, in ceramic oil
When ink sintering, the phenolic resin in ink will be slow decomposition and generate hydrogen, hydrocarbon, vapor and oxycarbide, decompose
Generated cigarette is relatively smaller in the process, and toxicity is also relatively low.
Contain sulfonic acid group in dispersing agent of the invention.One of important feature of sulfonic acid group is exactly water solubility, is made insoluble
The phenolic resin of Xie Yushui becomes water-soluble resin；The two of the important feature of sulfonic acid group are exactly and the metal in inorganic pigment
Particle carries out coordination combination, so that pigment particles is not occurred to reunite and is settled, performance is steady after prepared ceramic ink is placed 180 days
It is fixed, it is precipitated without observable solid, viscosity change is relative to initial value within 20%, and average particle size (d50) is less than 0.8
μm。
Dispersing agent of the invention can under the dicyandiamide solution of water dispersed ceramic inorganic pigment, prepare the aqueous pottery of inkjet printing
Porcelain ink, the average grain diameter of ink can reach 0.8 μm hereinafter, viscosity is low, and stability is good.The preparation of dispersing agent of the invention
Method is easy to get with raw material, and for synthesis process without high-temperature high-voltage reaction, the period is short, and preparation process is simple, and overall cost is low to be prepared
Water-based ceramic ink using when it is solvent-free distribute, low cigarette, low toxicity, the advantages that process is environmentally friendly.
Specific embodiment
The invention will be further described with reference to embodiments.
Embodiment 1
The preparation of dispersant A: weighing 1.7g sodium hydride and be put into 500ml flask, weigh 20g molecular weight be 856 it is linear
Phenolic resin (m+n=8), is dissolved in 100g tetrahydrofuran, solution is stirred down and is slowly dropped into flask (nitrogen in 20min
Under protection), after reacting 1h, 6.09g1 is added, 3-N-morpholinopropanesulfonic acid lactone (is dissolved in 15g tetrahydrofuran), and normal-temperature reaction 1h is warming up to 60
DEG C, then react 1h.
The purifying of resin: being added 200ml hexamethylene after reaction, stirs 5min, generates precipitating, be centrifuged (4000 turns,
5min), obtain after solid plus the washing dispersion of 100ml tetrahydrofuran, then plus 200ml hexamethylene, generate precipitating, then be centrifuged (condition
Ibid), supernatant liquor, 60 DEG C of low temperature dryings of solid are outwelled.
The dispersing agent powder solid for taking 0.1 gram of synthesis, is added in 10 grams of water, stirs 1 minute, observation dispersing agent dissolution.
Prove that sulfonic acid group has been coupled on linear phenolic resin, the reason is that the linear phenolic resin before reaction in water cannot be molten
The upper hydrophilic sulfonic acid group of solution, only connection, can just be dissolved in water.
According to the feed ratio of linear phenol-aldehyde resin and propane sultone, m can be calculated it is approximately equal to 6, n and be approximately equal to 2,
R represents 1,3- propane group (- CH2-CH2-CH2), dispersant molecule amount is about 1144, and structural formula is as follows:
Embodiment 2
The preparation of dispersant B: weighing 1.7g sodium hydride and be put into 500ml flask, weigh 20g molecular weight be 856 it is linear
Phenolic resin (m+n=8), is dissolved in 100g tetrahydrofuran, and by solution, 20min instills (nitrogen protection in flask under stiring
Under), after reacting 1h, 6.79g Isosorbide-5-Nitrae-fourth sulfonic acid lactones (being dissolved in 15g tetrahydrofuran) is added, normal-temperature reaction 1h is warming up to 60 DEG C,
1h is reacted again.
The purifying of resin: being added 200ml hexamethylene after reaction, stirs 5min, generates precipitating, be centrifuged (4000 turns,
5min), obtain after solid plus the washing dispersion of 100ml tetrahydrofuran, then plus 200ml hexamethylene, generate precipitating, then be centrifuged (condition
Ibid), supernatant liquor, 60 DEG C of low temperature dryings of solid are outwelled.
The dispersing agent powder solid for taking 0.1 gram of synthesis, is added in 10 grams of water, stirs 1 minute, observation dispersing agent dissolution.
Prove that sulfonic acid group has been coupled on linear phenolic resin, the reason is that the linear phenolic resin before reaction in water cannot be molten
The upper hydrophilic sulfonic acid group of solution, only connection, can just be dissolved in water.
According to the feed ratio of linear phenol-aldehyde resin and propane sultone, m can be calculated it is approximately equal to 6, n and be approximately equal to 2,
R represents Isosorbide-5-Nitrae-butane group (- CH2-CH2-CH2-CH2), dispersant molecule amount is about 1172, and structural formula is as follows:
Embodiment 3
The preparation of dispersing agent C: weighing 1.7g sodium hydride and be put into 500ml flask, weigh 20g molecular weight be 856 it is linear
Phenolic resin (m+n=8), is dissolved in 100g tetrahydrofuran, and by solution, 20min instills (nitrogen protection in flask under stiring
Under), after reacting 1h, it is added 6.79g 4- hydroxyl -2- butane sulfonic acid gamma- lactones (being dissolved in 15g tetrahydrofuran), normal-temperature reaction
1h is warming up to 60 DEG C, then reacts 1h.
The purifying of resin: being added 200ml hexamethylene after reaction, stirs 5min, generates precipitating, be centrifuged (4000 turns,
5min), obtain after solid plus the washing dispersion of 100ml tetrahydrofuran, then plus 200ml hexamethylene, generate precipitating, then be centrifuged (condition
Ibid), supernatant liquor, 60 DEG C of low temperature dryings of solid are outwelled.
The dispersing agent powder solid for taking 0.1 gram of synthesis, is added in 10 grams of water, stirs 1 minute, observation dispersing agent dissolution.
Prove that sulfonic acid group has been coupled on linear phenolic resin, the reason is that the linear phenolic resin before reaction in water cannot be molten
The upper hydrophilic sulfonic acid group of solution, only connection, can just be dissolved in water.
According to the feed ratio of linear phenol-aldehyde resin and propane sultone, m can be calculated it is approximately equal to 6, n and be approximately equal to 2,
R represents 1,3- butane group group (- CH2-CH(CH3)-CH2), dispersant molecule amount is about 1172, and structural formula is as follows:
Embodiment 4
The preparation of dispersing agent D: weighing 1.7g sodium hydride and be put into 500ml flask, weigh 20g molecular weight be 856 it is linear
Phenolic resin (m+n=8), is dissolved in 100g tetrahydrofuran, and by solution, 20min instills (nitrogen protection in flask under stiring
Under), it after reacting 1h, is added 5.99g acrylic -1,3- sulfonic acid lactones (being dissolved in 15g tetrahydrofuran), normal-temperature reaction 1h is warming up to
60 DEG C, then react 1h.
The purifying of resin: being added 200ml hexamethylene after reaction, stirs 5min, generates precipitating, be centrifuged (4000 turns,
5min), obtain after solid plus the washing dispersion of 100ml tetrahydrofuran, then plus 200ml hexamethylene, generate precipitating, then be centrifuged (condition
Ibid), supernatant liquor, 60 DEG C of low temperature dryings of solid are outwelled.
The dispersing agent powder solid for taking 0.1 gram of synthesis, is added in 10 grams of water, stirs 1 minute, observation dispersing agent dissolution.
Prove that sulfonic acid group has been coupled on linear phenolic resin, the reason is that the linear phenolic resin before reaction in water cannot be molten
The upper hydrophilic sulfonic acid group of solution, only connection, can just be dissolved in water.
According to the feed ratio of linear phenol-aldehyde resin and propane sultone, m can be calculated it is approximately equal to 6, n and be approximately equal to 2,
R represents 1,3- propylene group (- CH2-CH2=CH2), dispersant molecule amount is about 1140, and structural formula is as follows:
Embodiment 5
The preparation of dispersing agent E: weighing 1.7g sodium hydride and be put into 500ml flask, weigh 20g molecular weight be 856 it is linear
Phenolic resin (m+n=8), is dissolved in 100g tetrahydrofuran, and by solution, 20min instills (nitrogen protection in flask under stiring
Under), after reacting 1h, 10.28g 1 is added, 8- naphthalene sulfonic acids lactones (is dissolved in 15g tetrahydrofuran), and normal-temperature reaction 1h is warming up to 60
DEG C, then react 1h.
The purifying of resin: being added 200ml hexamethylene after reaction, stirs 5min, generates precipitating, be centrifuged (4000 turns,
5min), obtain after solid plus the washing dispersion of 100ml tetrahydrofuran, then plus 200ml hexamethylene, generate precipitating, then be centrifuged (condition
Ibid), supernatant liquor, 60 DEG C of low temperature dryings of solid are outwelled.
The dispersing agent powder solid for taking 0.1 gram of synthesis, is added in 10 grams of water, stirs 1 minute, observation dispersing agent dissolution
, it was demonstrated that sulfonic acid group has been coupled on linear phenolic resin, the reason is that the linear phenolic resin before reaction in water cannot
The upper hydrophilic sulfonic acid group of dissolution, only connection, can just be dissolved in water.
According to the feed ratio of linear phenol-aldehyde resin and propane sultone, m can be calculated it is approximately equal to 6, n and be approximately equal to 2,
R represents 1,8- naphthyl groupDispersant molecule amount is about 1140, and structural formula is as follows:
Embodiment 6
Embodiment 6 is identical as 1 preparation method of embodiment, and sodium hydride is substituted for metallic sodium；By 20g molecule in embodiment 1
The linear phenolic resin (m+n=8) that amount is 856, being substituted for molecular weight is 400,500,600,1100,1200,1300 or so
Linear phenolic resin, m+n=4,6,8 or 12, the number-average molecular weight of obtained dispersing agent is 700,1500,2000,2800,
3700 or so.
Embodiment 7
The preparation of ceramic ink jet ink: by it is each using different dispersing agent (dispersant A, dispersant B, dispersing agent C,
Dispersing agent D and dispersing agent E) five kinds of ceramic ink jet ink of preparation.
77.0 grams of water and 10.0g dispersing agent are weighed, 800 turns/min stirring is until be completely dissolved.
13.0g aluminosilicate cobalt blue pigment is added, the average particle size (d50) of pigment is 0.2 μm, 800 turns/min stirring
30min
200ml grinding is added in the mixed liquor that 200g abrasive media (0.3mm zirconium oxide bead) and 100g are prepared as described above
In tank, and ground in a planetary ball mill.
It is surveyed by Particle Size Analyzer (Mastersizer 2000 of Malvern instrument company (Malvern Instruments))
Try the granularity of particle in mixed liquor.
Every the average particle size (d50) of the mixed liquor particle in test grinding in 1 hour, until d50 less than 0.8 μm and no longer
Reduce increase with time, and minimum point after a period of stabilisation, d50 can be gradually increased with the passage of milling time.It is above-mentioned
D50 reaches i.e. best milling time of the smallest time, can be slightly changed with the difference of dispersing agent, generally at 10~15 hours.
Embodiment 8
Ceramic ink jet ink is identical as 6 preparation method of embodiment, and difference is by weight percentage, 5% inorganic pigment,
80% water and 15% dispersant A.
Embodiment 9
Ceramic ink jet ink is identical as 6 preparation method of embodiment, and difference is by weight percentage, 20% inorganic face
Material, 65% water and 15% dispersant B, the average particle size (d50) of pigment are 0.1 μm, inorganic pigment can be substituted for Cr,
The zirconates and silicate and its oxide of Sn, Ni, Pr, Fe, Co.
Embodiment 10
Ceramic ink jet ink is identical as 6 preparation method of embodiment, and difference is by weight percentage, 15% inorganic face
Material, 80% water and 5% dispersant B, the average particle size (d50) of pigment are 0.5 μm, inorganic pigment can be substituted for Cr,
The zirconates and silicate and its oxide of Sn, Ni, Pr, Fe, Co.
Embodiment 11
(1) it testing graininess: after grinding, is carried out (in embodiment 6 not using Malvern instrument company Mastersizer 2000
Same ceramic ink jet ink) grain size analysis.Average particle size (d50) is as shown in table 1.
Table 1- granularity
| Dispersing agent in ink | d50(μm) | Best milling time (h) |
| Dispersant A | 0.25 | 12 |
| Dispersant B | 0.25 | 11 |
| Dispersing agent C | 0.47 | 13 |
| Dispersing agent D | 0.35 | 11 |
| Dispersing agent E | 0.45 | 12 |
(2) viscosity test: after grinding, grain size analysis is carried out using the SNB-1 viscosimeter of Shanghai Fang Rui Instrument Ltd..
Viscosity number is as shown in table 2.
Table 2- viscosity
| Dispersing agent in ink | Viscosity (mPas) |
| Dispersant A | 9.6 |
| Dispersant B | 11.2 |
| Dispersing agent C | 13.6 |
| Dispersing agent D | 10.3 |
| Dispersing agent E | 12.5 |
(3) stability test: saving ceramic ink jet ink at room temperature, if not can be observed after preparation 180 days
Solid precipitating, viscosity change is relative to initial value within 20%, and average particle size (d50) is less than 0.8 μm, then ceramic ink jet
Ink is considered stable.
Table 3- viscosity
| Dispersing agent in ink | Viscosity change after preparation 180 days | D50 (μm) after preparation 180 days |
| Dispersant A | Increase by 11% | 0.40 |
| Dispersant B | Increase by 9% | 0.45 |
| Dispersing agent C | Increase by 12% | 0.71 |
| Dispersing agent D | Increase by 10% | 0.66 |
| Dispersing agent E | Increase by 13% | 0.69 |
(4) ink-jet sintering test will prepare resulting ceramic ink and is sprayed on ceramic base material using ink-jet printer,
Temperature between 900-1250 DEG C is fired 15-240 minutes, and the smooth flawless of glaze is bright-colored, and surface scratch-resistant reaches
The effect of commercially available ceramic ink.
To sum up, granularity viscosity test, stability test and ink-jet sintering test have been carried out, the results showed that spray produced
The water-based ceramic ink of ink printing, has viscosity low, average grain diameter less than 0.8 μm, making pottery by stable storage, inkjet printable
Porcelain surface, forms permanent glaze pattern after sintering, comprehensive performance meets the needs of ceramic industry.
Claims (9)
1. a kind of ceramic ink jet printing ink dispersing agent, which is characterized in that the dispersing agent is linear phenolic resin and sulfonic acid
The reaction product of lactone compound.
2. ceramic ink jet printing ink dispersing agent according to claim 1, which is characterized in that the structure of the dispersing agent
Formula is shown in chemical formula (1)
Wherein:
R represents 1,3- propane group (- CH2-CH2-CH2) or Isosorbide-5-Nitrae-butane group (- CH2-CH2-CH2-CH2) or 1,3- fourth
Alkyl group (- CH2-CH(CH3)-CH2) or 1,3- propylene group (- CH2-CH2=CH2) or 1,8- naphthyl groupM and n is integer, and 2≤m≤10,2≤n≤10, m+n≤12.
3. ceramic ink jet printing ink dispersing agent according to claim 1, which is characterized in that the number of the dispersing agent is equal
Molecular weight is 700-3700.
4. ceramic ink jet ink according to claim 1, which is characterized in that the linear phenolic resin is linear chain structure
, number-average molecular weight is preferably 400-1300.
5. ceramic ink jet printing ink dispersing agent according to claim 1, which is characterized in that the sultones class
Conjunction object is 1,3- propane sulfonic acid lactones1,4- fourth sulfonic acid lactones4- hydroxyl -2- butane sulfonic acid
Gamma- lactonesAcrylic -1,3- sulfonic acid lactonesWith 1,8- naphthalene sulfonic acids lactonesIn
It is a kind of.
6. a kind of preparation method of ceramic ink jet printing ink dispersing agent described in claim 1, which is characterized in that including such as
Lower step:
(1) sodium hydride or metallic sodium are put into flask at room temperature, the tetrahydrofuran solution containing linear phenolic resin are slowly added dropwise,
It is reacted after adding, adds the tetrahydrofuran solution of the compound of class containing sultones, then normal-temperature reaction, reheat reaction；
(2) hexamethylene is added after reaction, stirs, precipitating is washed, low temperature drying is obtained into repeatedly after centrifugation obtains solid
Product.
7. a kind of ceramic ink jet printing ink dispersing agent described in claim 1 is in the water-based ceramic ink for preparing inkjet printing
In application.
8. application according to claim 7, which is characterized in that the water-based ceramic ink for preparing inkjet printing includes such as
Lower step:
(1) mixed liquor is prepared, is the dispersion of the inorganic pigment of 5-20%, the water of 65-80% and 5-15% by weight percentage
Agent；
(2) mixed liquor enters in grinder and is ground, until with the average particle size d50 of particle size analyzer sampling Detection to ink
It reduces at 0.8 μm or less and no longer, the reaction product of linear phenolic resin and sultones class compound that the dispersing agent is,
Structural formula is shown in chemical formula (1).
9. application according to claim 8, which is characterized in that the average particle size of the inorganic pigment is 0.1-0.5 μm.
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| CN110982338A (en) * | 2019-12-20 | 2020-04-10 | 江苏正红彩印有限公司 | Aqueous thermosetting printing ink |
| CN110982329A (en) * | 2019-12-20 | 2020-04-10 | 江苏正红彩印有限公司 | Low-VOC high-brightness wear-resistant water-based environment-friendly ink |
| CN112778838A (en) * | 2020-12-07 | 2021-05-11 | 广东绿展科技有限公司 | Inorganic nano material printing ink and preparation method thereof |
| CN114561137A (en) * | 2020-11-27 | 2022-05-31 | 中国科学院化学研究所 | Antifogging agent, preparation method and application thereof, and antifogging product |
-
2019
- 2019-04-01 CN CN201910260374.XA patent/CN110144141A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110982338A (en) * | 2019-12-20 | 2020-04-10 | 江苏正红彩印有限公司 | Aqueous thermosetting printing ink |
| CN110982329A (en) * | 2019-12-20 | 2020-04-10 | 江苏正红彩印有限公司 | Low-VOC high-brightness wear-resistant water-based environment-friendly ink |
| CN114561137A (en) * | 2020-11-27 | 2022-05-31 | 中国科学院化学研究所 | Antifogging agent, preparation method and application thereof, and antifogging product |
| CN112778838A (en) * | 2020-12-07 | 2021-05-11 | 广东绿展科技有限公司 | Inorganic nano material printing ink and preparation method thereof |
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