CN109956753A - A kind of linear high water reduction ceramic grinding dispersant special and its manufacturing method - Google Patents
A kind of linear high water reduction ceramic grinding dispersant special and its manufacturing method Download PDFInfo
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Abstract
The invention discloses a kind of linear high water reduction ceramic grinding dispersant special and its manufacturing methods, the dispersing agent is made of two function components, and wherein component A is by 15 parts -18 parts 5 parts -6 parts of pib sulfonic acid sodium by weight, 5 parts -6 parts of cis-butenedioic anhydride, polymethyl methacrylate anionic linear polymeric objects being polymerized under 2 parts of -2.4 parts of effects of ammonium peroxydisulfate with 3 parts -5 parts of acrylic monomers；Component B is by 25 parts -30 parts of silica powder by weight, 6 parts -8 parts of titanium oxide powder, 18 parts -20 parts of oxide powder and zinc, 3 parts -5 parts of lead oxide powder, 3 parts -5 parts of lithia powder, the solid slag for aoxidizing 1 part -2 parts low-melting glass micro mists constituted of yttrium powder sharp edges that Mechanical Crushing slagging obtains after sintering.The present invention with linear carboxylic acid organic matter base, water reducing ability it is good, with the high technical effect of rapid-drying properties, liquidity index.
Description
Technical field
The present invention relates to ceramic applications technical field more particularly to a kind of linear high water reduction ceramic grinding dispersant specials
And its manufacturing method.
Background technique
Ceramic dispersants are substantially a kind of surfactants, when containing hydrophilic group and lipophilic group, ceramics plus water molding, dispersion
Lipophilic group in agent is adsorbed on ceramic surface, and hydrophilic group reduces interfacial free energy, increase solids and moistened by water in conjunction with water
Wet degree, is formed simultaneously electric double layer, so that separate because of electrostatic repulsion between solid particle, two aspects may finally make
Ceramics are easier to be evenly distributed in water, improve the service performance of ceramics.
The type of dispersing agent is more, and not all dispersing agent is suitable for ceramic powder, nor adapting to a kind of the new of material
Type dispersing agent is suitable for all ceramic powders.Because different decentralized system physicochemical characteristics differ greatly, dispersing agent
It acts on also sufficiently complex, it is necessary to various dispersing agents are verified by testing to the effect of a certain raw material, i.e. measurement dispersing agent is to slurry
The various parameters indexs such as viscosity, sedimentation degree, pH value are expected to analyze adjusting various factors, and preferable dispersing agent is selected with this.It is novel
Generally there are two types of approach for the exploitation of dispersing agent, first is that the dispersing agent of industrialized production is compounded, it is often available
Very good effect.Dispersing agent performance after compounding increases substantially, and advantageously reduces use cost, this is that exploitation novel dispersant is fast
Prompt and economical approach.Second is that the chemical synthesis of novel dispersant.On the basis of related theoretical result, successfully study novel special
With and dispersant with high efficiency.What is developed now is mostly organic high molecular polymer and poly- dielectric dispersing agent, is applied to special cermacis
Or in oxide ceramics, the solid content and rheological property of slurry can be greatly improved.
Water-reducing agent is a kind of important additives that can significantly improve ceramic slurry and ceramic body slurry performance.Dispersing agent
It is widely used for Production of Ceramics each process.It can not only be such that slurry, modifier still has in the lower situation of moisture content
There are preferable dispersibility and lower viscosity and operability, and ball milling, drying and consolidation time and energy consumption can be reduced, with reality
Now improve product quality, the energy-saving and target increased economic efficiency.
But ceramic dispersants in the prior art generally will increase initial consistency, also result in liquidity index reduction in this way；
The prior art, which usually has, simultaneously releases aqueous (the more high usual dispersion effect of water content is better), and it is dry and hard to be unfavorable for ceramics；In addition, existing
There is the dispersing agent reactant in technology with excellent performance various, material prepares complexity, less economical.
Therefore need in the market a kind of linear carboxylic acid organic matter base, water reducing ability is good, has rapid-drying properties, liquidity index high
Dispersing agent.
Summary of the invention
To solve drawbacks described above existing in the prior art, the present invention is intended to provide a kind of linear carboxylic acid organic matter base,
Water reducing ability is good, with the high linear high water reduction ceramic grinding dispersant special of rapid-drying properties, liquidity index.
In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme: a kind of linear high water reduction ceramic grinding
The manufacturing method of dispersant special, comprising the following steps:
1) raw material prepare
1. raw material prepare: preparation 25 parts -30 parts of silica powder, 6 parts -8 parts of titanium oxide powder, oxide powder and zinc 18 by weight
Parts -20 parts, 3 parts -5 parts of lead oxide powder, 3 parts -5 parts of lithia powder, 1 part -2 parts of yttrium powder of oxidation, 5 parts -6 parts of pib sulfonic acid sodium,
5 parts -6 parts of cis-butenedioic anhydride, 15 parts -18 parts of polymethyl methacrylate, 2 parts -2.4 parts of ammonium peroxydisulfate, 3 parts -5 parts of acrylic monomers,
Enough Dl water；
2. equipment prepares: preparing reaction kettle, mechanical stirring device；
2) prepared by the first function component
1. by the stage 1) step 1. prepare pib sulfonic acid sodium, cis-butenedioic anhydride, polymethyl methacrylate be uniformly mixed, obtain
Mixture A；Ammonium peroxydisulfate, acrylic monomers are uniformly mixed, mixture B is obtained；
2. 1. mixture A and mixture B that step obtains is put into respectively in the deionized water of 6 times -8 times of respective weight,
After mixing evenly by the aqueous solution injection stage 1 of mixture A) in the reaction kettle that 2. prepares of step, obtain to reaction mixture；It is mixed
It is stand-by to close object B aqueous solution；
3. use the stage 1 to reaction mixture for what 2. step obtained) mechanical stirring device that 2. prepares of step with
The stirring rate of 150rpm/min-200rpm/min is stirred, and is maintained to stir and start to warm up after stirring 1min-2min, be risen
To starting to keep the temperature after 92 DEG C -95 DEG C, 2. first stage soaking time 2.5h-3h during incubation evenly obtains step temperature
Mixture B aqueous solution be all added drop-wise in reaction kettle with the volumetric rate of 50%/h, subsequently into second stage, second stage
80 DEG C -85 DEG C are cooled to, continues to be kept stirring, heat preservation obtains the first function component to drying moisture content；
3) prepared by the second function component
1. by the stage 1) the step silica powder, titanium oxide powder, oxide powder and zinc, lead oxide powder, the lithia powder, oxygen that 1. prepare
Change yttrium powder to be uniformly mixed, obtains hybrid solid powder；
2. 1. hybrid solid powder that step is obtained uses 800 DEG C of -850 DEG C of sintering glomerations, then by the ball of sintering
Body Mechanical Crushing slagging, these slag ends are required second function component；
4) preparation of dispersing agent
1. by the stage 2) obtain the first function component and the stage 3) obtain the second function component be mixed and stirred for uniformly,
Dispersing agent needed for obtaining.
A kind of linear high water reduction ceramic grinding dispersant special, the dispersing agent are made of two function components, wherein group
Part A is 5 parts -6 parts of pib sulfonic acid sodium, 5 parts -6 parts of cis-butenedioic anhydride, 15 parts -18 parts of polymethyl methacrylate to exist by weight
The lower anionic linear polymeric object being polymerized with 3 parts -5 parts of acrylic monomers of 2 parts of -2.4 parts of effects of ammonium peroxydisulfate；Component B
For will 25 parts -30 parts of silica powder, 6 parts -8 parts of titanium oxide powder, 18 parts -20 parts of oxide powder and zinc, lead oxide powder 3 by weight
Parts -5 parts, 3 parts -5 parts of lithia powder, 1 part of -2 parts of composition of oxidation yttrium powder low-melting glass micro mists after sintering Mechanical Crushing at
The solid slag for the sharp edges that slag obtains.
Dosage of the invention is the 0.32%-0.38% for needing milled ceramic weight, and every 2h is added once, and each feed supplement is first
The 50% of beginning dosage, until grinding is completed.
Compared with prior art, by adopting the above-described technical solution, the invention has the following advantages that (1) is of the invention
Core technical features be pib sulfonic acid sodium, cis-butenedioic anhydride, polymethyl methacrylate ammonium peroxydisulfate effect under with acrylic acid
Anionic linear polymeric object made of monomer polymerization, the linear polymer are substantially a kind of threadiness MA-AA-MAS polycarboxylic acids-propylene
Acid polymer, measured result of the invention are as follows: compared with two positive controls, relative to the modified polyacrylic acid in routine techniques
High polymer, slurry system viscosity is minimum, is 352.2mPas；And compared with the existing technology in the outstanding PC-67 (moral of performance
The production of Zschimmer&Schwarz company, state), when its volume is 0.35% (opposite over dry pulp quality), slurry system is glutinous
Spend it is minimum, be 138.9mPas；And present invention slurry system viscosity when its volume is 0.35% (opposite over dry pulp quality)
For 78.2mPas.For 3 kinds of dispersing agents, in identical additive amount, the slurry of linear MA-AA-MAS polycarboxylate dispersant
System viscosity is significantly lower than other 2 kinds, and reason is mainly that threadiness MA-AA-MAS polycarboxylate dispersant is formed by steric hindrance layer, hinders
The flocculation for having stopped ceramic body slurry particle is reunited；Anion on threadiness MA-AA-MAS polycarboxylic acids molecule simultaneously, is easy absorption
In slurry particle surface, when particle is close to each other, electric double layer overlaps, and particle is not easy " to reunite ", to ensure that slurry
Effective dispersion of particle increases the cutting force of the glass dregs of attachment without heavy poly-, the grinding of power-assisted ceramic grinding.(2) this hair
It is a large amount of with high degree of dispersion effect containing being provided in linear MA-AA-MAS polycarboxylic acids-acrylic molecules structure of bright dispersing agent
The groups such as hydroxyl, carboxyl and sulfonic group, molecular structure suitability is good, has a wide range of application, while it is good that ceramics can be helped to establish
The structure system of good rapid-curing cutback and high fluidity.(3) there are also another important supports for function component of the invention, that is, other oxygen
Compound building is similar to low-melting glass micro mist mixture, and the present invention is existed between each other using oxide raw material mutually to be promoted to close
System, can interact reduces respective fusing point, and fusing point is 680 in the case that the formula that the present invention uses does not consider matrix silicon based polymers
DEG C -750 DEG C, and these compositions based on silica are in the colloid using silicon based polymers as matrix, due to chemical composition
It is close to play the role of fabulous raising plasticity, improve internal bond, keep room temperature performance of the invention more stable, together
Shi Fengrui broken glass dregs have fabulous increasing machinability, simultaneously because the hardness of this low-melting glass is between ceramic raw material
Between ceramic grinding ball, the surface of ceramic grinding ball will not be not only damaged, but also second-time breakage can provide cutting force in use.
Therefore the present invention with linear carboxylic acid organic matter base, water reducing ability it is good, with the high characteristic of rapid-drying properties, liquidity index, have
Excellent comprehensive performance.
Specific embodiment
Embodiment 1:
A kind of linear high water reduction ceramic grinding dispersant special, the dispersing agent are made of two function components, wherein group
Part A be will pib sulfonic acid sodium 6Kg by weight, cis-butenedioic anhydride 6Kg, polymethyl methacrylate 18Kg in ammonium peroxydisulfate
The lower anionic linear polymeric object being polymerized with acrylic monomers 5Kg of 2.4Kg effect；Component B is to aoxidize by weight
Silicon powder 25Kg, titanium oxide powder 6Kg, oxide powder and zinc 18Kg, lead oxide powder 3Kg, lithia powder 3Kg, oxidation yttrium powder 1Kg constitute low
The solid slag of the melting point glass micro mist sharp edges that Mechanical Crushing slagging obtains after sintering；
The manufacturing method of above-mentioned dispersing agent, comprising the following steps:
1) raw material prepare
1. raw material prepare: preparation silica powder 25Kg, titanium oxide powder 6Kg, oxide powder and zinc 18Kg, lead oxide by weight
Powder 3Kg, lithia powder 3Kg, oxidation yttrium powder 1Kg, pib sulfonic acid sodium 6Kg, cis-butenedioic anhydride 6Kg, polymethyl methacrylate 18Kg, mistake
Two ammonium sulfate 2.4Kg, acrylic monomers 5Kg, Enough Dl water；
2. equipment prepares: preparing reaction kettle, mechanical stirring device；
2) prepared by the first function component
1. by the stage 1) step 1. prepare pib sulfonic acid sodium, cis-butenedioic anhydride, polymethyl methacrylate be uniformly mixed, obtain
Mixture A；Ammonium peroxydisulfate, acrylic monomers are uniformly mixed, mixture B is obtained；
2. 1. mixture A and mixture B that step obtains is put into respectively in the deionized water of 8 times of respective weight, stir
By the aqueous solution injection stage 1 of mixture A after uniformly) in the reaction kettle that 2. prepares of step, obtain to reaction mixture；Mixture
B aqueous solution is stand-by；
3. use the stage 1 to reaction mixture for what 2. step obtained) mechanical stirring device that 2. prepares of step with
The stirring rate of 200rpm/min is stirred, and is maintained to stir and start to warm up after stirring 2min, is started to protect after being warming up to 92 DEG C
Temperature, first stage soaking time 3h, the mixture B aqueous solution for during incubation evenly 2. obtaining step is with the body of 50%/h
Product rate is all added drop-wise in reaction kettle, and subsequently into second stage, second stage is cooled to 85 DEG C, continues to be kept stirring, and is protected
Temperature obtains the first function component to drying moisture content；
3) prepared by the second function component
1. by the stage 1) the step silica powder, titanium oxide powder, oxide powder and zinc, lead oxide powder, the lithia powder, oxygen that 1. prepare
Change yttrium powder to be uniformly mixed, obtains hybrid solid powder；
2. 1. hybrid solid powder that step is obtained uses 850 DEG C of sintering glomerations, then that the sphere of sintering is mechanical
Break into slag, these slag ends are required second function component；
4) preparation of dispersing agent
1. by the stage 2) obtain the first function component and the stage 3) obtain the second function component be mixed and stirred for uniformly,
Dispersing agent needed for obtaining.
Embodiment 2
It is whole consistent with embodiment 1, it is in place of difference:
A kind of linear high water reduction ceramic grinding dispersant special, the dispersing agent are made of two function components, wherein group
Part A be will pib sulfonic acid sodium 5Kg by weight, cis-butenedioic anhydride 5Kg, polymethyl methacrylate 15Kg in ammonium peroxydisulfate 2Kg
The lower anionic linear polymeric object being polymerized with acrylic monomers 3Kg of effect；Component B is will silica powder by weight
The low melting point that 30Kg, titanium oxide powder 8Kg, oxide powder and zinc 20Kg, lead oxide powder 5Kg, lithia powder 5Kg, oxidation yttrium powder 2Kg are constituted
The solid slag of the glass micro mist sharp edges that Mechanical Crushing slagging obtains after sintering；
The manufacturing method of above-mentioned dispersing agent, comprising the following steps:
1) raw material prepare
1. raw material prepare: preparation silica powder 30Kg, titanium oxide powder 8Kg, oxide powder and zinc 20Kg, lead oxide by weight
Powder 5Kg, lithia powder 5Kg, oxidation yttrium powder 2Kg, pib sulfonic acid sodium 5Kg, cis-butenedioic anhydride 5Kg, polymethyl methacrylate 15Kg, mistake
Two ammonium sulfate 2Kg, acrylic monomers 3Kg, Enough Dl water；
2) prepared by the first function component
2. 1. mixture A and mixture B that step obtains is put into respectively in the deionized water of 6 times of respective weight, stir
By the aqueous solution injection stage 1 of mixture A after uniformly) in the reaction kettle that 2. prepares of step, obtain to reaction mixture；Mixture
B aqueous solution is stand-by；
3. use the stage 1 to reaction mixture for what 2. step obtained) mechanical stirring device that 2. prepares of step with
The stirring rate of 150rpm/min is stirred, and is maintained to stir and start to warm up after stirring 1min, is started to protect after being warming up to 95 DEG C
Temperature, first stage soaking time 2.5h, the mixture B aqueous solution for during incubation evenly 2. obtaining step is with 50%/h's
Volumetric rate is all added drop-wise in reaction kettle, and subsequently into second stage, second stage is cooled to 80 DEG C, continues to be kept stirring,
Heat preservation obtains the first function component to drying moisture content；
3) prepared by the second function component
2. 1. hybrid solid powder that step is obtained uses 800 DEG C of sintering glomerations, then that the sphere of sintering is mechanical
Break into slag, these slag ends are required second function component；
The foregoing description of the disclosed embodiments, only for can be realized professional and technical personnel in the field or use this
Invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore,
The present invention will not be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent widest scope of point.
Claims (2)
1. a kind of manufacturing method of linear high water reduction ceramic grinding dispersant special, it is characterised in that the following steps are included:
1) raw material prepare
1. raw material prepare: preparation 25 parts -30 parts of silica powder, 6 parts -8 parts of titanium oxide powder, 18 parts of oxide powder and zinc-by weight
20 parts, 3 parts -5 parts of lead oxide powder, 3 parts -5 parts of lithia powder, oxidation 1 part -2 parts of yttrium powder, 5 parts -6 parts of pib sulfonic acid sodium, cis-butenedioic anhydride
5 parts -6 parts, it is 15 parts -18 parts of polymethyl methacrylate, 2 parts -2.4 parts of ammonium peroxydisulfate, 3 parts -5 parts of acrylic monomers, enough
Deionized water；
2. equipment prepares: preparing reaction kettle, mechanical stirring device；
2) prepared by the first function component
1. by the stage 1) step 1. prepare pib sulfonic acid sodium, cis-butenedioic anhydride, polymethyl methacrylate be uniformly mixed, mixed
Object A；Ammonium peroxydisulfate, acrylic monomers are uniformly mixed, mixture B is obtained；
2. 1. mixture A and mixture B that step obtains is put into respectively in the deionized water of 6 times -8 times of respective weight, stir
By the aqueous solution injection stage 1 of mixture A after uniformly) in the reaction kettle that 2. prepares of step, obtain to reaction mixture；Mixture
B aqueous solution is stand-by；
3. the stage 1 is used to reaction mixture by what 2. step obtained) mechanical stirring device that 2. prepares of step is with 150rpm/
The stirring rate of min-200rpm/min is stirred, and is maintained to stir and start to warm up after stirring 1min-2min, is warming up to 92
Start to keep the temperature after DEG C -95 DEG C, first stage soaking time 2.5h-3h, the mixing for during incubation evenly 2. obtaining step
Object B aqueous solution is all added drop-wise in reaction kettle with the volumetric rate of 50%/h, and subsequently into second stage, second stage is cooled to
80 DEG C -85 DEG C, continue to be kept stirring, heat preservation obtains the first function component to drying moisture content；
3) prepared by the second function component
1. by the stage 1) the step silica powder, titanium oxide powder, oxide powder and zinc, lead oxide powder, the lithia powder, yttrium oxide that 1. prepare
Powder is uniformly mixed, and obtains hybrid solid powder；
2. 1. hybrid solid powder that step is obtained uses 800 DEG C of -850 DEG C of sintering glomerations, then by the sphere machine of sintering
Tool break into slag, these slag ends are required second function component；
4) preparation of dispersing agent
1. by the stage 2) obtain the first function component and the stage 3) obtain the second function component be mixed and stirred for uniformly, that is, obtaining
Dispersing agent needed for obtaining.
2. a kind of linear high water reduction ceramic grinding dispersant special, it is characterised in that: the dispersing agent is by two function component groups
At, wherein component A be will 5 parts -6 parts of pib sulfonic acid sodium, 5 parts -6 parts of cis-butenedioic anhydride, polymethyl methacrylate 15 by weight
Parts -18 parts under 2 parts of -2.4 parts of effects of ammonium peroxydisulfate with 3 parts -5 parts anionic linear polymerics being polymerized of acrylic monomers
Object；Component B is will 25 parts -30 parts of silica powder, 6 parts -8 parts of titanium oxide powder, 18 parts -20 parts of oxide powder and zinc, oxygen by weight
It is mechanical after sintering to change 3 parts -5 parts of lead powder, 3 parts -5 parts of lithia powder, the low-melting glass micro mist of oxidation 1 part of -2 parts of composition of yttrium powder
The solid slag for the sharp edges that break into slag obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179013.2A CN109956753A (en) | 2019-03-11 | 2019-03-11 | A kind of linear high water reduction ceramic grinding dispersant special and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179013.2A CN109956753A (en) | 2019-03-11 | 2019-03-11 | A kind of linear high water reduction ceramic grinding dispersant special and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
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