CN106189514A - Black blue and white coloring material aqueous dispersant and preparation method and application for inkjet printing - Google Patents
Black blue and white coloring material aqueous dispersant and preparation method and application for inkjet printing Download PDFInfo
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- CN106189514A CN106189514A CN201610634411.5A CN201610634411A CN106189514A CN 106189514 A CN106189514 A CN 106189514A CN 201610634411 A CN201610634411 A CN 201610634411A CN 106189514 A CN106189514 A CN 106189514A
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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
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/324—Inkjet printing inks characterised by colouring agents containing carbon black
- C09D11/326—Inkjet printing inks characterised by colouring agents containing carbon black characterised by the pigment dispersant
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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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
- C08G65/33303—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing amino group
- C08G65/3331—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing amino group cyclic
- C08G65/33313—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing amino group cyclic aromatic
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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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
- C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
- C08G77/388—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing nitrogen
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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
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/50—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing nitrogen, e.g. polyetheramines or Jeffamines(r)
Abstract
Present invention relates particularly to a kind of black blue and white coloring material aqueous dispersant for inkjet printing and its preparation method and application mode.This dispersant contains the polysiloxane backbone of flexibility, containing dopamine unit and primary amino radical on main chain, also has the polyether lateral chain containing carboxyl simultaneously.Dopamine unit and primary amino radical can firmly and manganese systems, ferrum system, chromium system oxide colour particle surface produce stable mating reaction；Polysiloxane backbone then can guarantee that dispersant molecule is attached to pigment granules surface as far as possible, and the surface tension enabling to ceramic ink is minimized；Polyether lateral chain containing carboxyl can be disperseed in water, and simultaneously under the conditions of alkalescence, carboxyl ionizes, and produces negative electricity layer, further the reunion sedimentation of suppression pigment particle on pigment particle surface.
Description
Technical field
The invention belongs to organic/inorganic composite functional material technical field, be specifically related to a kind of black for inkjet printing
Blue and white coloring material aqueous dispersant and preparation method thereof and its application in inkjet printing field.
Background technology
Pottery Digital Inkjet Printing is the new ceramics printing technique grown up for nearly 5 years, and it has printing effect
The advantage that exquisiteness true to nature, printing cost and breakage rate are relatively low, it is possible to realize personalized designs and the manufacture of ceramic product.Ceramic ink
The preparation of water is the key link of inkjet technology.Colorant and dispersant are two big important component of ceramic ink, they
Quality determines the quality of ceramic ink greatly.
Dispersant is a kind of to have amphipathic high molecular polymer, it can effectively reduce pigment granules and solvent it
Between interface energy, the molecular structure of dispersant is generally made up of two or more components, is anchoring component and dispersed component respectively.
Anchoring component relative distribution component for, be generally of stronger polarity, it is possible to and pigment granules surface metal-oxide from
Son coordinates or attracts, and makes dispersant molecule adsorb on pigment granules surface.Dispersed component is generally of more weak polarity, and they are certainly
Body can good being dissolved in solvent.
Dispersant presses its dissolubility, can be divided into oiliness dispersant and aqueous dispersion, the ceramic ink prepared by them
Also oil base ink and water-based ink can be divided into.Water, as the solvent of ceramic ink, has the unique advantage of environmental protection, is producing simultaneously
During, the production equipment of water-based ink also allows for cleaning and washing.But relatively for oil solvent, the surface tension of water is relatively big,
It is unfavorable for the inkjet printing become more meticulous.
On the other hand, for different colorant kinds, the molecular structure of dispersant the most difference.Black in ceramic ink
Blue and white color colorant, its main component is based on manganese series oxides, ferrous oxide, chromium system oxide.Relative and other colors
For colorant, the performance of dispersant supporting with black blue and white color colorant the most on the market still has to be hoisted, and the solid content of ink is still
Have to be strengthened.Its reason essentially consists in: 1) dispersant anchoring component for manganese systems, ferrum system, the anchoring effect of chromium system oxide
Not satisfactory；2) in dispersant, the anti-agglomeration effect of dispersed component still has to be hoisted.
Summary of the invention
It is an object of the invention to provide a kind of new graft copolymers as dispersant, this dispersant can effectively improve
To black blue and white pigment granules dispersion effect in aqueous solvent, and the surface tension of this black blue and white chromatic ink also obtains necessarily
Reduction.
Another object of the present invention is to provide the preparation method of above-mentioned black blue and white coloring material aqueous dispersant；
It is still another object of the present invention to provide the application in inkjet printing field of the above-mentioned black blue and white coloring material aqueous dispersant
Method.
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, structure has graft copolymer as follows
Architectural feature:
PHMS-g-(DOPA-r-EDA-r-PEGDMA)
Wherein, g represents grafting, and r represents random distribution；PHMS represents hydrogen containing siloxane polymer chain；DOPA represents many
Bar amine unit；EDA represents ethylenediamine；PEGDMA represents dicarboxylic acids Polyethylene Glycol, and molecular weight is 2000～20000Da.
Further, the quality that quality mol ratio is 1.0:1.0～1.0:5.0, DOPA and PEGDMA of DOPA and EDA is rubbed
That ratio is 1.0:0.1～1.0:2.0.
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, is prepared by methods described below:
(1) take PHMS and glycidyl methacrylate (GMA) is dissolved in solvent orange 2 A, the wherein quality of PHMS and GMA
Than be 1:1～1:15, add platinum catalyst, wherein the mass fractions relative of catalyst and epoxide unit be 0.01%～
0.1%, utilize bubbling inert gas deoxygenation 10～60 minutes afterwards, be heated to reflux at 40～100 DEG C 2～12 hours, reaction
After, to pour the solvent B washing of 0.5～5 times of volume into, stand separatory 5～30 minutes afterwards, collect lower floor's liquid, room temperature is true
Empty drying, obtains the PHMS of epoxy-functional；
(2) take the PHMS of a certain amount of epoxy-functional, be dissolved in solvent C, the mass concentration after dissolving be 10%～
40%, add the dicarboxyl Polyethylene Glycol of the PHMS mass of 1～10 times of epoxy-functional, add 0.05～0.5 times of ring
The dopamine hydrochloride of the PHMS mass of oxygen functionalization, be eventually adding relative to the PHMS mass of epoxy-functional be 0.1%～
The NaOH solution of 2.0%, is heated to reflux 0.5～6 hour at 40～80 DEG C, adds 0.01～0.2 times of epoxy-functional
The ethylenediamine of PHMS mass, continue to be heated to reflux at 40～80 DEG C 0.5～6 hour, after completion of the reaction, pass through rotary evaporation
Complete soln is concentrated into the 1/10～1/2 of original volume, obtains a kind of black blue and white coloring material aqueous dispersant for inkjet printing.
Wherein, the molecular weight of the PHMS described in step (1) is 500～10000Da, and hydrogen substitution value is 40%～80%；
Described solvent orange 2 A is the one in dimethylbenzene, toluene, benzene；Described solvent B is in methanol, ethanol, isopropanol, normal hexane
A kind of；
Solvent C described in step (2) is dimethylformamide, dimethyl acetylamide, benzene,toluene,xylene, dichloro
One in methane, chloroform；The molecular weight of described dicarboxyl Polyethylene Glycol is 2000～20000Da.
A kind of black blue and white coloring material aqueous dispersant for inkjet printing can apply to prepare black blue and white chromatic ink, black
Blue and white chromatic ink is realized by following technological means:
A, dispersant is joined in black blue and white color colorant, wherein dispersant account for the mass fraction of colorant be 10%～
20%, add distilled water, wherein the gross mass of colorant and dispersant shared mass fraction in system is 30%～50%, will stir
Mix device rotating speed and be set to 60～240 revs/min, carry out the pre-stirring operation of 15～120 minutes.
B, will in advance stirring after mixture join in ball mill, rotating speed is set to 6000～12000 revs/min, ball
Grind 30～150 minutes, in mechanical milling process, utilize sig water regulation to continue slowly regulation mixture ph and, to 7.0～9.0, obtain
A kind of black blue and white chromatic ink for inkjet printing.
The principle of the present invention is:
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, its synthetic method is based on hydrosilylation and ring
Oxygen ring-opening reaction.In mechanical milling process, utilize dopamine anchoring group contained on dispersant main chain and primary amine groups, coordinate softness
Siloxane main chain, produce the absorption of stable multi-point cooperative on black blue and white color pigment particle surface, dispersant fixedly secured
Black blue and white color pigment particle surface.Carboxyl contained in dispersant chain, in anion state under the conditions of alkalescence, can be
Pigment particle surface forms electrostatic layer, strengthens the repulsion effect between pigment particle, stops the reunion sedimentation of colorant.The opposing party
Face, the introducing of siloxane main chain also can reduce the surface tension of ceramic ink product to a certain extent.
The present invention has such advantages as relative to prior art and effect:
(1) main chain of dispersant is polysiloxanes, has splendid compliance so that dispersant molecule can be with colorant grain
Sub-surface is fully contacted, and strengthens adsorption probability, reduces the surface tension of ceramic ink simultaneously；
(2) in dispersant, dopamine and primary amine groups have splendid anchoring effect for manganese systems, ferrum system, chromium system oxide particle
Really so that the absorption of dispersant has long-time stability；
(3) containing multiple dopamine and primary amine groups unit on dispersant main chain, can effectively realize colorant particle surface
Synergistic sorption, strengthen dispersant adsorption effect；
(4) dispersant chain end contains carboxyl functional group, in ionized state under the conditions of alkalescence, can form negative electricity
Layer, effectively prevents the collision between pigment particle from reuniting.
Accompanying drawing explanation
The synthetic route schematic diagram of a kind of black blue and white coloring material aqueous dispersant for inkjet printing of Fig. 1；
Fig. 2 is by a kind of black blue and white coloring material aqueous dispersant for inkjet printing prepared by embodiment 41H H NMR spectroscopy
Figure.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit
In this.
The raw material used in embodiment is as follows:
Embodiment 1
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, is prepared by methods described below:
(1) take PHMS (molecular weight is 500Da, hydrogen substitution value 40%) and GMA to be dissolved in dimethylbenzene, wherein PHMS and
The mass ratio of GMA is 1:15, adds platinum catalyst, and wherein the mass fractions relative of catalyst and epoxide unit is 0.01%,
Utilize bubbling inert gas deoxygenation afterwards 10 minutes, be heated to reflux at 40 DEG C 12 hours, after completion of the reaction, pour 0.5 times of body into
Long-pending methanol washing, stands separatory 30 minutes afterwards, collects lower floor's liquid, and room temperature in vacuo is dried, and obtains epoxy-functional
PHMS。
(2) taking the PHMS of a certain amount of epoxy-functional, be dissolved in dimethylformamide, the mass concentration after dissolving is
10%, add the dicarboxyl Polyethylene Glycol of the PHMS mass of 1 times of epoxy-functional, add 0.05 times of epoxy-functional
The dopamine hydrochloride of PHMS mass, is eventually adding the NaOH solution that PHMS mass is 0.1% relative to epoxy-functional, in 40
It is heated to reflux at DEG C 6 hours, adds the ethylenediamine of the PHMS mass of 0.01 times of epoxy-functional, at 40 DEG C, continue heating
Reflux 6 hours, after completion of the reaction, by rotary evaporation, complete soln is concentrated into the 1/10 of original volume, obtain a kind of for spraying
The black blue and white coloring material aqueous dispersant that ink prints.
The dispersant thus prepared, the mol ratio of DOPA and EDA is that the mol ratio of 1.0:1.4, DOPA and PEGDMA is
1.0:0.16～1.0:2.0.
Embodiment 2
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, is prepared by methods described below:
(1) take PHMS (molecular weight is 2000Da, hydrogen substitution value 60%) and GMA to be dissolved in toluene, wherein PHMS and GMA
Mass ratio be 1:10, add platinum catalyst, wherein the mass fractions relative of catalyst and epoxide unit is 0.03%, afterwards
Utilize bubbling inert gas deoxygenation 20 minutes, be heated to reflux at 60 DEG C 6 hours, after completion of the reaction, pour the ethanol of 2 times of volumes into
Washing, stands separatory 20 minutes afterwards, collects lower floor's liquid, and room temperature in vacuo is dried, and obtains the PHMS of epoxy-functional.
(2) taking the PHMS of a certain amount of epoxy-functional, be dissolved in dimethyl acetylamide, the mass concentration after dissolving is
20%, add the dicarboxyl Polyethylene Glycol of the PHMS mass of 4 times of epoxy-functionals, add 0.1 times of epoxy-functional
The dopamine hydrochloride of PHMS mass, is eventually adding the NaOH solution that PHMS mass is 0.5% relative to epoxy-functional, in 60
It is heated to reflux at DEG C 4 hours, adds the ethylenediamine of the PHMS mass of 0.05 times of epoxy-functional, continue to add at 60 DEG C
Hot reflux 4 hours, after completion of the reaction, is concentrated into the 1/5 of original volume by rotary evaporation by complete soln, obtains a kind of for spraying
The black blue and white coloring material aqueous dispersant that ink prints.
The dispersant thus prepared, the mol ratio of DOPA and EDA is that the mol ratio of 1.0:2.9, DOPA and PEGDMA is
1.0:0.52。
Embodiment 3
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, is prepared by methods described below:
(1) take PHMS (molecular weight is 5000Da, hydrogen substitution value 80%) and GMA to be dissolved in toluene, wherein PHMS and GMA
Mass ratio be 1:5, add platinum catalyst, wherein the mass fractions relative of catalyst and epoxide unit is 0.06%, afterwards
Utilize bubbling inert gas deoxygenation 40 minutes, be heated to reflux at 80 DEG C 4 hours, after completion of the reaction, pour 0.5～5 times of volume into
Isopropanol washing, stand separatory 10 minutes afterwards, collect lower floor's liquid, room temperature in vacuo is dried, and obtains epoxy-functional
PHMS。
(2) taking the PHMS of a certain amount of epoxy-functional, be dissolved in dichloromethane, the mass concentration after dissolving is 30%,
Add the dicarboxyl Polyethylene Glycol of the PHMS mass of 8 times of epoxy-functionals, add the PHMS matter of 0.3 times of epoxy-functional
The dopamine hydrochloride of amount, is eventually adding the NaOH solution that PHMS mass is 1.0% relative to epoxy-functional, adds at 80 DEG C
Hot reflux 2 hours, adds the ethylenediamine of the PHMS mass of 0.1 times of epoxy-functional, continues to be heated to reflux 2 little at 80 DEG C
Time, after completion of the reaction, by rotary evaporation, complete soln is concentrated into the 2/5 of original volume, obtains a kind of for inkjet printing
Black blue and white coloring material aqueous dispersant.
The dispersant thus prepared, the mol ratio of DOPA and EDA is that the mol ratio of 1.0:3.6, DOPA and PEGDMA is
1.0:1.2。
Embodiment 4
A kind of black blue and white coloring material aqueous dispersant for inkjet printing, is prepared by methods described below:
(1) take PHMS (molecular weight is 10000Da, hydrogen substitution value 80%) and GMA to be dissolved in benzene, wherein PHMS and GMA
Mass ratio be 1:1, add platinum catalyst, wherein the mass fractions relative of catalyst and epoxide unit is 0.1%, afterwards profit
With bubbling inert gas deoxygenation 60 minutes, it is heated to reflux at 100 DEG C 2 hours, after completion of the reaction, pours the just own of 5 times of volumes into
Alkane washs, and stands separatory 5 minutes afterwards, collects lower floor's liquid, and room temperature in vacuo is dried, and obtains the PHMS of epoxy-functional.
(2) taking the PHMS of a certain amount of epoxy-functional, be dissolved in chloroform, the mass concentration after dissolving is 40%,
Add the dicarboxyl Polyethylene Glycol of the PHMS mass of 10 times of epoxy-functionals, add the PHMS of 0.5 times of epoxy-functional
The dopamine hydrochloride of quality, is eventually adding the NaOH solution that PHMS mass is 2.0% relative to epoxy-functional, at 80 DEG C
It is heated to reflux 0.5 hour, adds the ethylenediamine of the PHMS mass of 0.2 times of epoxy-functional, continue to heat back at 80 DEG C
Flow 0.5 hour, after completion of the reaction, by rotary evaporation, complete soln is concentrated into the 1/2 of original volume, obtain a kind of for ink-jet
The black blue and white coloring material aqueous dispersant printed.
The dispersant thus prepared, the mol ratio of DOPA and EDA is that the mol ratio of 1.0:4.7, DOPA and PEGDMA is
1.0:1.8。
Embodiment 5
The application process of a kind of black blue and white coloring material aqueous dispersant for inkjet printing, is real by following technological means
Existing:
(1) being joined by dispersant in black blue and white color colorant, wherein dispersant accounts for the mass fraction of colorant is 10%, adds
Distilled water, wherein the gross mass of colorant and dispersant shared mass fraction in system is 30%, is set to by agitator speed
60 revs/min, carry out the pre-stirring operation of 15 minutes.
(2) mixture after stirring in advance is joined in ball mill, rotating speed is set to 6000 revs/min, ball milling 150 points
Clock, in mechanical milling process, utilizes sig water regulation to continue slowly regulation mixture ph and, to 7.0, obtains a kind of for inkjet printing
Black blue and white chromatic ink.
Embodiment 6
The application process of a kind of black blue and white coloring material aqueous dispersant for inkjet printing, is real by following technological means
Existing:
(1) being joined by dispersant in black blue and white color colorant, wherein dispersant accounts for the mass fraction of colorant is 15%, adds
Distilled water, wherein the gross mass of colorant and dispersant shared mass fraction in system is 40%, is set to by agitator speed
120 revs/min, carry out the pre-stirring operation of 60 minutes.
(2) mixture after stirring in advance is joined in ball mill, rotating speed is set to 8000 revs/min, ball milling 90 points
Clock, in mechanical milling process, utilizes sig water regulation to continue slowly regulation mixture ph and, to 7.0, obtains a kind of for inkjet printing
Black blue and white chromatic ink.
Embodiment 7
The application process of a kind of black blue and white coloring material aqueous dispersant for inkjet printing, is real by following technological means
Existing:
(1) being joined by dispersant in black blue and white color colorant, wherein dispersant accounts for the mass fraction of colorant is 20%, adds
Distilled water, wherein the gross mass of colorant and dispersant shared mass fraction in system is 40%, is set to by agitator speed
180 revs/min, carry out the pre-stirring operation of 90 minutes.
(2) mixture after stirring in advance is joined in ball mill, rotating speed is set to 10000 revs/min, ball milling 60 points
Clock, in mechanical milling process, utilizes sig water regulation to continue slowly regulation mixture ph and, to 8.0, obtains a kind of for inkjet printing
Black blue and white chromatic ink.
Embodiment 8
The application process of a kind of black blue and white coloring material aqueous dispersant for inkjet printing, is real by following technological means
Existing:
(1) being joined by dispersant in black blue and white color colorant, wherein dispersant accounts for the mass fraction of colorant is 20%, adds
Distilled water, wherein the gross mass of colorant and dispersant shared mass fraction in system is 50%, is set to by agitator speed
240 revs/min, carry out the pre-stirring operation of 120 minutes.
(2) mixture after stirring in advance is joined in ball mill, rotating speed is set to 12000 revs/min, ball milling 30 points
Clock, in mechanical milling process, utilizes sig water regulation to continue slowly regulation mixture ph and, to 9.0, obtains a kind of for inkjet printing
Black blue and white chromatic ink.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. for the black blue and white coloring material aqueous dispersant of inkjet printing, it is characterised in that structure has grafting as follows altogether
Polymers structural formula be: PHMS-g-(DOPA-r-EDA-r-PEGDMA)；
Wherein, g represents grafting, and r represents random distribution；PHMS represents hydrogen containing siloxane polymer chain；DOPA represents dopamine
Unit；EDA represents ethylenediamine；PEGDMA represents dicarboxylic acids Polyethylene Glycol, and molecular weight is 2000～20000Da.
Black blue and white coloring material aqueous dispersant for inkjet printing the most according to claim 1, it is characterised in that DOPA and
The quality mol ratio that quality mol ratio is 1.0:1.0～1.0:5.0, DOPA and PEGDMA of EDA is 1.0:0.1～1.0:2.0.
3. being used for the preparation method of the black blue and white coloring material aqueous dispersant of inkjet printing described in any one of claim 1～2, it is special
Levy and be, comprise the steps:
(1) take PHMS and glycidyl methacrylate be dissolved in solvent orange 2 A, wherein the mass ratio of PHMS and GMA be 1:1～
1:15, adds platinum catalyst, and wherein the mass fractions relative of catalyst and epoxide unit is 0.01%～0.1%, afterwards profit
With bubbling inert gas deoxygenation 10～60 minutes, it is heated to reflux at 40～100 DEG C 2～12 hours, after completion of the reaction, pours into
The solvent B washing of 0.5～5 times of volume, stands separatory 5～30 minutes afterwards, collects lower floor's liquid, and room temperature in vacuo is dried, and obtains
The PHMS of epoxy-functional；
(2) taking the PHMS of a certain amount of epoxy-functional, be dissolved in solvent C, the mass concentration after dissolving is 10%～40%, adds
Enter the dicarboxyl Polyethylene Glycol of the PHMS mass of 1～10 times of epoxy-functional, add 0.05～0.5 times of epoxy-functional
The dopamine hydrochloride of PHMS mass, be eventually adding the NaOH that PHMS mass is 0.1%～2.0% relative to epoxy-functional
Solution, is heated to reflux 0.5～6 hour at 40～80 DEG C, adds the PHMS mass of 0.01～0.2 times of epoxy-functional
Ethylenediamine, continues to be heated to reflux 0.5～6 hour at 40～80 DEG C, after completion of the reaction, by rotary evaporation, complete soln is dense
It is reduced to the 1/10～1/2 of original volume, obtains the black blue and white coloring material aqueous dispersant for inkjet printing.
The preparation method of the black blue and white coloring material aqueous dispersant for inkjet printing the most according to claim 3, its feature
Being, the molecular weight of the PHMS described in step (1) is 500～10000Da, and hydrogen substitution value is 40%～80%.
The preparation method of the black blue and white coloring material aqueous dispersant for inkjet printing the most according to claim 3, its feature
Being, described solvent orange 2 A is the one in dimethylbenzene, toluene, benzene.
The preparation method of the black blue and white coloring material aqueous dispersant for inkjet printing the most according to claim 3, its feature
Being, described solvent B is the one in methanol, ethanol, isopropanol, normal hexane.
The preparation method of the black blue and white coloring material aqueous dispersant for inkjet printing the most according to claim 3, its feature
Be, the solvent C described in step (2) be dimethylformamide, dimethyl acetylamide, benzene,toluene,xylene, dichloromethane,
One in chloroform.
The preparation method of the black blue and white coloring material aqueous dispersant for inkjet printing the most according to claim 7, its feature
Being, the molecular weight of described dicarboxyl Polyethylene Glycol is 2000～20000Da.
9. the black blue and white coloring material aqueous dispersant applying inkjet printing is prepared as black blue and white chromatic ink.
The preparation method of black blue and white chromatic ink the most according to claim 9, it is characterised in that comprise the steps:
A, being joined by dispersant in black blue and white color colorant, wherein dispersant accounts for the mass fraction of colorant is 10%～20%, adds
Entering distilled water, wherein the gross mass of colorant and dispersant shared mass fraction in system is 30%～50%, is turned by agitator
Speed is set to 60～240 revs/min, carries out the pre-stirring operation of 15～120 minutes.
B, will in advance stirring after mixture join in ball mill, rotating speed is set to 6000～12000 revs/min, ball milling 30
～150 minutes, in mechanical milling process, utilize sig water regulation to continue slowly regulation mixture ph and, to 7.0～9.0, obtain one
Black blue and white chromatic ink for inkjet printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634411.5A CN106189514B (en) | 2016-08-04 | 2016-08-04 | Black blue and white coloring material aqueous dispersing agent and preparation method and application for inkjet printing |
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| CN110183902A (en) * | 2019-06-04 | 2019-08-30 | 云浮市金莱昊化工有限公司 | A kind of aqueous intaglio printing ink and its preparation method and application |
| CN117567746A (en) * | 2024-01-15 | 2024-02-20 | 深圳先进电子材料国际创新研究院 | Aminosilane coupling agent and application thereof in moisture-heat resistant underfill |
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| CN106189514B (en) | 2019-10-11 |
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