CN108585890A - a kind of ceramic dispersants - Google Patents
a kind of ceramic dispersants Download PDFInfo
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63444—Nitrogen-containing polymers, e.g. polyacrylamides, polyacrylonitriles, polyvinylpyrrolidone [PVP], polyethylenimine [PEI]
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63488—Polyethers, e.g. alkylphenol polyglycolether, polyethylene glycol [PEG], polyethylene oxide [PEO]
Abstract
The invention discloses a kind of ceramic dispersants, belong to ceramic dispersants technical field.The present invention selects inorganic modifier sodium metasilicate to carry out precipitation reaction on nano granular of zinc oxide surface with surface deposition, sodium metasilicate passes through hydrolysis, it forms hydrated SiO 2 and deposits to surface of nanometer zinc oxide, its surface is set to be formed with nano grain surface without chemically combined heterogeneous clad, increase hydrophily, the surface energy of nano zine oxide is reduced, dispersion stabilization of the nano zine oxide in aqueous dispersion is improved.The effect of silane coupling agent can act on the hydroxyl in inorganic matter or its surface and interact with the long chain in organic matter, play coupling, can be as " bridge " connected between inorganic matter and organic matter.The present invention solves that there are dispersion stabilizations is poor for current ceramic dispersants, and the grain size of particle is larger, and the problem of disperse uneven and easy reunion.
Description
Technical field
The invention belongs to ceramic dispersants technical field, more particularly to a kind of ceramic dispersants.
Background technology
In recent years, super-fine material has become the research hotspot of Material Field, unique light that nano-particle is shown,
Electricity, magnetic and chemical characteristic, are allowed to be known as " 21 century most promising material ".But up to the present, due to raw material, technique,
The reason of cost and application etc., the preparation of nano-powder has not yet to see industrialized report.It is answered to reduce cost and expand
With range, a kind of suitable surfactant is selected, prepares that grain size is small, the spherical, superfine powder that is evenly distributed.It is received in preparation
When rice material, the fine dispersion of nano particle is uniformly distributed and is very important.It is, thus, sought for it is a kind of can be used for it is ultra-fine
The dispersant of material.Dispersant is that a kind of in the molecule while having the interfacial activities of two kinds of opposite natures of lipophile and hydrophily
Agent uniform can disperse inorganic, organic pigment the solid particle for being insoluble in liquid, while preventing the sedimentation of solid particle and coagulating
It is poly-.Current dispersant has：Polyester chain phosphate dispersant and polyimides dispersant（Polyester chain carboxylic acid reacts conjunction with vinylamine
At）Deng.In the prior art, the manufacturing method of dispersant is varied, such as：By polyester chain, polycaprolactone or carboxyl carboxylic acid and gather
Vinylamine reacts synthetic dispersing agent；Using polyurethane be core connect polyester, polyacrylate and polyether chain as solvent chain, to hinder amine
The polyurethanes dispersant generated for anchoring group reaction.Good dispersant can shorten jitter time, improve gloss, improve
Color power and covering power improve color developing and toning property, prevent from flocculating, prevent from settling.Traditional dispersant has paraffin, stearic acid sweet
The oil-soluble compounds such as grease, with the reinforcement of environmental consciousness and the appearance of serial environmental regulation, some products are organic from using
The system of solvent starts to be replaced by water phase, including water paint and water-based ink etc., the properties such as paper of these products
Whiteness and opacity, the stability of neutral pen ink, the fluency of writing, rheological characteristic, glossiness of coating application etc. all take
Certainly in the quality of its dispersion effect used.
Invention content
The technical problems to be solved by the invention：For current ceramic dispersants, that there are dispersion stabilizations is poor, particle
Grain size is larger, and the problem of disperse uneven and easy reunion, provides a kind of ceramic dispersants.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of ceramic dispersants include following component, 6 ~ 12 parts of mannoses, 5 ~ 10 parts of auxiliary agents, 7 ~ 15 parts of carbon according to the mass fraction
Sour sodium, 5 ~ 10 parts of sodium phosphates, 8 ~ 15 parts of sodium citrates, 70 ~ 80 parts of water, which is characterized in that further include 20 ~ 30 parts of nano-disperseds at
Divide, 15 ~ 25 parts of carbon boron carriers；
The preparation method of the nano-dispersed ingredient：In mass ratio 1：6~10：3 take sodium metasilicate, distilled water, nano zine oxide mixed
Close, adjust pH, be stirred, obtain just mixed liquid, take just mixed liquid be added just the silicone coupling agents KH570 of mixed liquid quality 10 ~ 15%,
Just the pretreatment resin of mixed liquid quality 60 ~ 80%, the just polyvinylpyrrolidone of mixed liquid quality 6 ~ 15%, just mixed liquid quality 7 ~ 12%
Isophorone diamine, be mixed, be warming up to 130 ~ 140 DEG C, be stirred, obtain mixture, mixture is taken to be placed in 90 ~ 100
DEG C degassing 20 ~ 30min, obtain nano-dispersed ingredient；
The preparation method of the carbon boron carrier：In mass ratio 1:3 ~ 5 take boric acid, citric acid mixing, in 85 ~ 120 DEG C, heating 20 ~
40min obtains gelinite, takes gelinite with 700 ~ 800 DEG C of 20 ~ 30min of heating, obtains presoma, take presoma with 1200 ~ 1500 DEG C
Heat treatment, obtains micro mist, takes micro mist in mass ratio 1:3 ~ 5 are added alkaline dopamine solution, impregnate, and filtering collects filter residue and drying, i.e.,
Obtain carbon boron carrier.
The pretreatment resin：In mass ratio 1：0.5：4 ~ 6 extracting epoxy resins, nanometer Al2O3, absolute ethyl alcohol is in 100 ~ 130
It DEG C is mixed, is cooled to 30 ~ 45 DEG C, ultrasonication is to get pretreatment resin.
The alkalinity dopamine solution：In mass ratio 1：3~5：4 take dopamine, ammonium hydroxide, sodium bicarbonate solution to be mixed,
Up to alkaline dopamine solution.
The auxiliary agent：In mass ratio 1:3 ~ 5 take Brij and Emulsifier EL-60 to mix to get auxiliary agent.
Compared with other methods, advantageous effects are the present invention：
（1）The present invention selects inorganic modifier sodium metasilicate on nano granular of zinc oxide surface precipitate instead with surface deposition
It answers, sodium metasilicate forms hydrated SiO 2 and deposit to surface of nanometer zinc oxide by hydrolysis, makes the formation of its surface and nano particle
Surface increases hydrophily without chemically combined heterogeneous clad, reduces the surface energy of nano zine oxide, improves nano zine oxide and exists
Dispersion stabilization in aqueous dispersion, its long chain of one side can prevent from being formed by particle hair with coated particle surface
Raw to reunite, another aspect polyvinylpyrrolidonemolecules molecules can be selectively adsorbed on specific crystal face, lead to this crystal face
Growth rate is slower than other crystal faces, to play the role of controlling pattern, when adding polyvinylpyrrolidone, goes out in preparation process
Existing Al (OH)3、Zn(OH)2It intersects to form flower shape, the stacking accumulation of size flower forms bulky grain steric hindrance work
With the prevention intermolecular reunion of system enhances the repulsive interaction energy between nano-particle, reinforced nano particle surface is to decentralized medium
Soakage, change its interfacial structure, improve solvation film strength and thickness, enhance solvation repulsive interaction, can larger amplitude
Nanoaction between degree ground reduction nano-particle, is effectively prevented particle aggregation and is allowed to fully dispersed, provide ceramic dispersion
The dispersion stabilization of agent；
（2）The present invention prepares carbon boron carrier using boric acid, citric acid, dopamine as raw material, has good adsorptivity, Ke Yicong
H is adsorbed in solution+, OH-Or other ions, to make system particle charge, and particle itself also contains the poles such as a small amount of hydroxyl
Property group cause system viscosity to greatly increase when solvent volatilizees, viscosity resistance increase, cause electron transfer hindered, from
And electron transfer rate is caused to be greatly reduced, and conductivity declines, silane coupling agent can have an effect again, hydrolyze the silicon hydroxyl of generation
Base forms hydrogen bond with hydroxyl existing for nano-ZnO surface, forms monomolecular film, reduces the surface energy of nano particle, significantly
The strong suction-operated between nano particle is reduced, enhances the stability of dispersion, while having to the evenly dispersed of biscuit of ceramics
Apparent enhancing effect.
Specific implementation mode
Auxiliary agent：In mass ratio 1:3 ~ 5 take Brij and Emulsifier EL-60 to mix to get auxiliary agent.
Pre-process resin：In mass ratio 1：0.5：4 ~ 6 extracting epoxy resins, nanometer Al2O3, absolute ethyl alcohol is in 100 ~ 130 DEG C
30 ~ 50min is mixed in blender, is cooled to 30 ~ 45 DEG C, 15 ~ 20min of ultrasonication is to get pretreatment resin.
Alkaline dopamine solution：In mass ratio 1：3~5：4 take dopamine, ammonium hydroxide, the sodium bicarbonate of concentration 0.5mol/L molten
20 ~ 30min is mixed to get alkaline dopamine solution in liquid.
The preparation method of nano-dispersed ingredient：In mass ratio 1：6~10：3 take sodium metasilicate, distilled water, nano zine oxide mixed
It closes, PBS buffer solution is added and adjusts pH to 7, with 500 ~ 600r/min, 10 ~ 20min of stirring, obtain just mixed liquid, take just mixed liquid addition just
The silicone coupling agents KH570 of mixed liquid quality 10 ~ 15%, just the pretreatment resin of mixed liquid quality 60 ~ 80%, just mixed liquid quality 6 ~
15% polyvinylpyrrolidone, just mixed 7 ~ 12% isophorone diamine of liquid quality, are mixed, are warming up to 130 ~ 140 DEG C, stirring
40 ~ 60min obtains mixture, takes mixture to be placed in 20 ~ 30min of degassing in 90 ~ 100 DEG C of vacuum drying ovens, obtains nano-dispersed ingredient.
The preparation method of carbon boron carrier：In mass ratio 1:3 ~ 5 take boric acid, citric acid mixing, in 85 ~ 120 DEG C, heating 20 ~
40min obtains gelinite, take gelinite in high temperature furnace with 700 ~ 800 DEG C heating 20 ~ 30min, obtain presoma, take presoma in
With 1200 ~ 1500 DEG C in vacuum drying oven, it is heat-treated 2 ~ 3h, micro mist is obtained, takes micro mist in mass ratio 1:The alkaline dopamine of 3 ~ 5 additions is molten
Liquid, impregnates 1 ~ 2h, and filtering collects filter residue and drying to get carbon boron carrier.
A kind of preparation method of dispersant, includes the following steps：
（1）According to the mass fraction, take 20 ~ 30 parts of nano-dispersed ingredients, 15 ~ 25 parts of carbon boron carriers, 6 ~ 12 parts of mannoses, 5 ~ 10 parts
Auxiliary agent, 7 ~ 15 parts of sodium carbonate, 5 ~ 10 parts of sodium phosphates, 8 ~ 15 parts of sodium citrates, 70 ~ 80 parts of water；
（2）In 50 ~ 70 DEG C, nano-dispersed ingredient, carbon boron carrier, auxiliary agent, water are taken, it is mixed with 350 ~ 450r/min stirrings in mixing machine
Close 50 ~ 70min, after be cooled to 25 ~ 30 DEG C, mannose, sodium carbonate, sodium phosphate, sodium citrate mixing is added, with 400 ~ 500r/
Min stirs 20 ~ 40min, and ultrasonic wave disperses 20 ~ 30min to get ceramic dispersants.
Auxiliary agent：In mass ratio 1:3 take Brij and Emulsifier EL-60 to mix to get auxiliary agent.
Pre-process resin：In mass ratio 1：0.5：4 extracting epoxy resins, nanometer Al2O3, absolute ethyl alcohol is in 100 DEG C
30min is mixed in blender, is cooled to 30 DEG C, ultrasonication 15min is to get pretreatment resin.
Alkaline dopamine solution：In mass ratio 1：3：4 take the sodium bicarbonate solution of dopamine, ammonium hydroxide, concentration 0.5mol/L
20min is mixed to get alkaline dopamine solution.
The preparation method of nano-dispersed ingredient：In mass ratio 1：6：3 take sodium metasilicate, distilled water, nano zine oxide mixing, add
Enter PBS buffer solution and adjust pH to 7,10min is stirred with 500r/min, obtains and just mixes liquid, takes first mixed liquid to be added and just mix liquid quality 10%
Silicone coupling agents KH570, it the pretreatment resin for just mixing liquid quality 60%, the polyvinylpyrrolidone for just mixing liquid quality 6%, just mixes
7% isophorone diamine of liquid quality is mixed, and is warming up to 130 DEG C, stirs 40min, obtains mixture, mixture is taken to be placed in 90 DEG C
Deaerate 20min in vacuum drying oven, obtains nano-dispersed ingredient.
The preparation method of carbon boron carrier：In mass ratio 1:3 take boric acid, citric acid mixing to heat 20min in 85 DEG C, obtain solidifying
Colloid takes gelinite, with 700 DEG C of heating 20min, to obtain presoma in high temperature furnace, take presoma in vacuum drying oven with 1200 DEG C,
It is heat-treated 2h, micro mist is obtained, takes micro mist in mass ratio 1:3 are added alkaline dopamine solution, impregnate 1h, and filter residue and drying is collected in filtering,
Up to carbon boron carrier.
A kind of preparation method of dispersant, includes the following steps：
（1）According to the mass fraction, 20 parts of nano-dispersed ingredients, 15 parts of carbon boron carriers, 6 parts of mannoses, 5 parts of auxiliary agents, 7 parts of carbonic acid are taken
Sodium, 5 parts of sodium phosphates, 8 parts of sodium citrates, 70 parts of water；
（2）In 50 DEG C, nano-dispersed ingredient, carbon boron carrier, auxiliary agent, water are taken, is stirred with 350r/min in mixing machine
50min, after be cooled to 25 DEG C, mannose, sodium carbonate, sodium phosphate, sodium citrate mixing is added, 20min is stirred with 400r/min,
Ultrasonic wave disperses 20min to get ceramic dispersants.
Auxiliary agent：In mass ratio 1:4 take Brij and Emulsifier EL-60 to mix to get auxiliary agent.
Pre-process resin：In mass ratio 1：0.5：5 extracting epoxy resins, nanometer Al2O3, absolute ethyl alcohol is in 115 DEG C
40min is mixed in blender, is cooled to 38 DEG C, ultrasonication 18min is to get pretreatment resin.
Alkaline dopamine solution：In mass ratio 1：4：4 take the sodium bicarbonate solution of dopamine, ammonium hydroxide, concentration 0.5mol/L
25min is mixed to get alkaline dopamine solution.
The preparation method of nano-dispersed ingredient：In mass ratio 1：8：3 take sodium metasilicate, distilled water, nano zine oxide mixing, add
Enter PBS buffer solution and adjust pH to 7,15min is stirred with 550r/min, obtains and just mixes liquid, takes first mixed liquid to be added and just mix liquid quality 13%
The pretreatment resin of silicone coupling agents KH570, just mixed liquid quality 70%, the just polyvinylpyrrolidone of mixed liquid quality 10%, just
Mixed 10% isophorone diamine of liquid quality, is mixed, is warming up to 135 DEG C, stir 50min, obtain mixture, mixture is taken to be placed in
Deaerate 25min in 95 DEG C of vacuum drying ovens, obtains nano-dispersed ingredient.
The preparation method of carbon boron carrier：In mass ratio 1:4 take boric acid, citric acid mixing to heat 30min in 100 DEG C, obtain
Gelinite takes gelinite, with 750 DEG C of heating 25min, to obtain presoma in high temperature furnace, take presoma in vacuum drying oven with 1350
DEG C, it is heat-treated 2.5h, micro mist is obtained, takes micro mist in mass ratio 1:4 are added alkaline dopamine solution, impregnate 1.5h, and filter is collected in filtering
Slag is dried to get carbon boron carrier.
A kind of preparation method of dispersant, includes the following steps：
（1）According to the mass fraction, 25 parts of nano-dispersed ingredients, 20 parts of carbon boron carriers, 9 parts of mannoses, 8 parts of auxiliary agents, 12 parts of carbon are taken
Sour sodium, 8 parts of sodium phosphates, 12 parts of sodium citrates, 75 parts of water；
（2）In 60 DEG C, nano-dispersed ingredient, carbon boron carrier, auxiliary agent, water are taken, is stirred with 400r/min in mixing machine
60min, after be cooled to 28 DEG C, mannose, sodium carbonate, sodium phosphate, sodium citrate mixing is added, 30min is stirred with 450r/min,
Ultrasonic wave disperses 25min to get ceramic dispersants.
Auxiliary agent：In mass ratio 1:5 take Brij and Emulsifier EL-60 to mix to get auxiliary agent.
Pre-process resin：In mass ratio 1：0.5：6 extracting epoxy resins, nanometer Al2O3, absolute ethyl alcohol is in 130 DEG C
50min is mixed in blender, is cooled to 45 DEG C, ultrasonication 20min is to get pretreatment resin.
Alkaline dopamine solution：In mass ratio 1：5：4 take the sodium bicarbonate solution of dopamine, ammonium hydroxide, concentration 0.5mol/L
30min is mixed to get alkaline dopamine solution.
The preparation method of nano-dispersed ingredient：In mass ratio 1：10：3 take sodium metasilicate, distilled water, nano zine oxide mixing,
PBS buffer solution is added and adjusts pH to 7, with 600r/min stirring 20min, obtains just mixed liquid, takes just mixed liquid addition just mixed liquid quality 15%
Silicone coupling agents KH570, just the pretreatment resin of mixed liquid quality 80%, just the polyvinylpyrrolidone of mixed liquid quality 15%,
Just mixed 12% isophorone diamine of liquid quality, is mixed, is warming up to 140 DEG C, stir 60min, obtain mixture, mixture is taken to set
Deaerate 30min in 100 DEG C of vacuum drying ovens, obtains nano-dispersed ingredient.
The preparation method of carbon boron carrier：In mass ratio 1:5 take boric acid, citric acid mixing to heat 40min in 120 DEG C, obtain
Gelinite takes gelinite, with 800 DEG C of heating 30min, to obtain presoma in high temperature furnace, take presoma in vacuum drying oven with 1500
DEG C, it is heat-treated 3h, micro mist is obtained, takes micro mist in mass ratio 1:5 are added alkaline dopamine solution, impregnate 2h, and it is dry to collect filter residue for filtering
It is dry to get carbon boron carrier.
A kind of preparation method of dispersant, includes the following steps：
（1）According to the mass fraction, take 30 parts of nano-dispersed ingredients, 25 parts of carbon boron carriers, 12 parts of mannoses, 10 parts of auxiliary agents, 15 parts
Sodium carbonate, 10 parts of sodium phosphates, 15 parts of sodium citrates, 80 parts of water；
（2）In 70 DEG C, nano-dispersed ingredient, carbon boron carrier, auxiliary agent, water are taken, is stirred with 450r/min in mixing machine
70min, after be cooled to 30 DEG C, mannose, sodium carbonate, sodium phosphate, sodium citrate mixing is added, 40min is stirred with 500r/min,
Ultrasonic wave disperses 30min to get ceramic dispersants.
Comparative example 1：It is essentially identical with the preparation method of embodiment 3, it has only the difference is that lacking nano-dispersed ingredient.
Comparative example 2：It is essentially identical with the preparation method of embodiment 3, it has only the difference is that lacking carbon boron carrier.
Comparative example 3：The dispersant of Wenzhou City, Zhejiang Province company production.
1,2,3 sample of embodiment and comparative example 1,2,3 of above-mentioned preparation method are used into ISO2884-2-2003 standard gauges
It is fixed, the slurry viscosity of the above various embodiments preparation is measured with NDJ-1 type rotary viscosities, test result is recorded in table 1.
Table 1:
| Test event | Slurry solid content/% | Grain size is less than 2 microns of granule content/% | 2 hours viscosity/mp.s after dispersion | Degree of scatter |
| Embodiment 1 | 80 | ≥97 | 550 | It is uniformly dispersed |
| Embodiment 2 | 82 | ≥97 | 570 | It is uniformly dispersed |
| Embodiment 3 | 83 | ≥97 | 540 | It is uniformly dispersed |
| Comparative example 1 | 60 | ≥70 | 950 | Precipitation |
| Comparative example 2 | 58 | ≥70 | 960 | Precipitation |
| Comparative example 3 | 55 | ≥70 | 940 | Precipitation |
In conclusion as shown in Table 1, ceramic dispersants degree of scatter of the invention is uniform, and the grain size of particle is smaller, it is not easy to precipitate
The problem of, there is larger development prospect.
Claims (4)
- Include following component according to the mass fraction 1. a kind of ceramic dispersants, 6 ~ 12 parts of mannoses, 5 ~ 10 parts of auxiliary agents, 7 ~ 15 parts Sodium carbonate, 5 ~ 10 parts of sodium phosphates, 8 ~ 15 parts of sodium citrates, 70 ~ 80 parts of water, which is characterized in that further include 20 ~ 30 parts of nano-disperseds Ingredient, 15 ~ 25 parts of carbon boron carriers；The preparation method of the nano-dispersed ingredient：In mass ratio 1：6~10：3 take sodium metasilicate, distilled water, nano zine oxide mixed Close, adjust pH, be stirred, obtain just mixed liquid, take just mixed liquid be added just the silicone coupling agents KH570 of mixed liquid quality 10 ~ 15%, Just the pretreatment resin of mixed liquid quality 60 ~ 80%, the just polyvinylpyrrolidone of mixed liquid quality 6 ~ 15%, just mixed liquid quality 7 ~ 12% Isophorone diamine, be mixed, be warming up to 130 ~ 140 DEG C, be stirred, obtain mixture, mixture is taken to be placed in 90 ~ 100 DEG C degassing 20 ~ 30min, obtain nano-dispersed ingredient；The preparation method of the carbon boron carrier：In mass ratio 1:3 ~ 5 take boric acid, citric acid mixing, in 85 ~ 120 DEG C, heating 20 ~ 40min obtains gelinite, takes gelinite with 700 ~ 800 DEG C of 20 ~ 30min of heating, obtains presoma, take presoma with 1200 ~ 1500 DEG C Heat treatment, obtains micro mist, takes micro mist in mass ratio 1:3 ~ 5 are added alkaline dopamine solution, impregnate, and filtering collects filter residue and drying, i.e., Obtain carbon boron carrier.
- 2. ceramic dispersants according to claim 1, which is characterized in that the pretreatment resin：In mass ratio 1：0.5：4~6 Extracting epoxy resin, nanometer Al2O3, absolute ethyl alcohol in 100 ~ 130 DEG C of mixings, be cooled to 30 ~ 45 DEG C, ultrasonication to get Pre-process resin.
- 3. ceramic dispersants according to claim 1, which is characterized in that the alkalinity dopamine solution：In mass ratio 1：3~ 5：4 take dopamine, ammonium hydroxide, sodium bicarbonate solution to be mixed to get alkaline dopamine solution.
- 4. ceramic dispersants according to claim 1, which is characterized in that the auxiliary agent：In mass ratio 1:3 ~ 5 take oleyl alcohol polyoxy Vinethene and Emulsifier EL-60 mixing are to get auxiliary agent.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044207A (en) * | 2019-12-30 | 2020-04-21 | 浙江清华柔性电子技术研究院 | Pressure sensor and preparation method thereof |
| CN111205084A (en) * | 2020-01-19 | 2020-05-29 | 常州市创捷防雷电子有限公司 | Preparation method of silicon oxide coated modified ZnO voltage-sensitive ceramic material |
| CN114605143A (en) * | 2022-03-28 | 2022-06-10 | 华中科技大学 | Based on ZnO @ SiO2Zinc oxide piezoresistor with core-shell structure and preparation method thereof |
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| CN107512858A (en) * | 2017-09-18 | 2017-12-26 | 广州速力化工科技有限公司 | A kind of cement hardener of functional modification |
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| CN103130510A (en) * | 2013-03-22 | 2013-06-05 | 天津大学 | Composite dispersing agent applied to architectural ceramics and application |
| CN105272027A (en) * | 2015-09-23 | 2016-01-27 | 江苏苏博特新材料股份有限公司 | Ultra-high performance concrete with compressive strength of 300MPa or more and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044207A (en) * | 2019-12-30 | 2020-04-21 | 浙江清华柔性电子技术研究院 | Pressure sensor and preparation method thereof |
| CN111044207B (en) * | 2019-12-30 | 2023-11-28 | 浙江清华柔性电子技术研究院 | Pressure sensor and method for producing the same |
| CN111205084A (en) * | 2020-01-19 | 2020-05-29 | 常州市创捷防雷电子有限公司 | Preparation method of silicon oxide coated modified ZnO voltage-sensitive ceramic material |
| CN114605143A (en) * | 2022-03-28 | 2022-06-10 | 华中科技大学 | Based on ZnO @ SiO2Zinc oxide piezoresistor with core-shell structure and preparation method thereof |
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