CN106115748A - A kind of method of preparing super fine magnesium hydroxide by wet method slurry - Google Patents
A kind of method of preparing super fine magnesium hydroxide by wet method slurry Download PDFInfo
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- CN106115748A CN106115748A CN201610425063.0A CN201610425063A CN106115748A CN 106115748 A CN106115748 A CN 106115748A CN 201610425063 A CN201610425063 A CN 201610425063A CN 106115748 A CN106115748 A CN 106115748A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/14—Magnesium hydroxide
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
A kind of method of preparing super fine magnesium hydroxide by wet method slurry, comprises the steps of step 1. first by the efficient surfactant of 1 10 weight portions, and the grinding aid of 10 30 weight portions adds the water of 70 700 weight portions, stand-by after being uniformly dispersed;Step 2. weighs in the stand-by solution of hydroxide magnesium powder addition step 1 of 50 150 weight portions again, and dispersion is prepared as magnesium magma to be ground;Step 3. adds the abrasive media ball of 400 600 weight portions in the magnesium magma to be ground of step 2 and is ground, and is ground to the super fine magnesium hydroxide slurry of target grain size;The step 4. super fine magnesium hydroxide slurry in step 3 adds the stable composition auxiliary agent of 0.1 5 weight portions;The inventive method is conducive to environmental conservation, and production cost is low, and on the premise of higher solids content is constant, can improve the stability of magnesium hydroxide slurry.
Description
Technical field
The invention belongs to chemical products preparing technical field, particularly to a kind of preparing super fine magnesium hydroxide by wet method slurry
Method.
Background technology
Magnesium hydroxide has high activity, high absorption capacity, stronger shock-absorbing capacity due to it, uses safe and corrosion-free
Property, many special performances such as nontoxic, its raw material rich reserves in addition, it is widely studied in nearly recent decades.Magnesium hydroxide according to
Form and purposes are divided into filter cake shape, powdery and pulp-like three major types, and three can phase co-conversion.Magnesium hydroxide therein
Slurry production process flow process is simple, operates safety, non-environmental-pollution and enjoy high praise.The preparation method of magnesium hydroxide slurry a few days ago
Mainly include magnesium oxide aquation method, the salt sedimentation method, shepardite waterproof pulverization method.
The present situation of magnesium hydroxide slurry, the U.S. and Japan are that the use of magnesium hydroxide consumes big country, and its application is main
It is used in environmental protection aspect.This is because magnesium hydroxide can be widely applied to acid waste water neutralization, heavy metal removing, water process and cigarette
In road gas, the aspect, the particularly developed country such as the U.S., Japan such as desulfurization quickly grow.
1, shepardite is a kind of industrial mineral being mainly composed of magnesium hydroxide, can be used as after superfine grinding is processed
Low cigarette, nontoxic fire-retardant filler;Existing scientific and technical literature is recorded: use medium stirring mill that shepardite carries out Wet-type super-fine disintegrating real
Testing room and commerical test research, the factor such as grinding aid kind and consumption, pulp density, rotor speed that have studied is to product granularity
Impact.Shortcoming is to use expensive zirconium oxide microballoons as abrasive media to realize the refinement of magnesium hydroxide granularity, so not
With adding cost prepared by magnesium hydroxide in degree.2, the patent of invention of Application No. 200410005164.x discloses one
Wet method prepares shepardite or the method for sintered magnesia micropowder, is the raw material brucite powder with 1000 weight fineness >=100 mesh
Or sintering oxidation magnesium powder add the molecular weight of 10~80 weight be 1500~4500 polyacrylic acid or its salt, alkyl benzene sulphonate or its
One in one in salt, polyether phosphate, the fatty acid of 5~70 weight or its salt, phosphate ester or its salt, 600~2000
The water of weight, in grinding machine, pulverizes 1h at 50~90 DEG C, slurry has good mobility as milk, does not condenses, no between granule
Bonding, does not need to separate and convection drying i.e. obtains powder product, mean diameter < 5 μm, has hydrophobic performance and float in water.The highest
Crush efficiency, easy technological process is the feature that this technology is prominent with obtaining high-quality superfine product.Shortcoming is institute
The magnesium oxide used is to use the light-burned magnesium hydroxide of more than 800 DEG C.
3, the patent of invention of Application No. 200810300453.0 discloses a kind of sodium-hydroxide method and prepares high pure and ultra-fine hydrogen
The technique of magnesium oxide, uses decomposition of crystal seed method, by mixing in purified brine and magnesium hydroxide crystal seed addition reaction tank, 60~80 DEG C
Insulation, then sodium hydroxide solution is added reaction tank carries out precipitation, crystallization ageing, reaction extracts magnesium hydroxide after terminating
Slurry filtration, washing, filter cake drying, pulverizing, obtain magnesium hydroxide crystal product.Shortcoming is to need the ageing of long period,
Operate complex, and the filtrate produced does not reuses.
4, the method that the patent of invention of Application No. 01127343.7 discloses One-step production magnesium hydroxide: it will contain
The salt of magnesium chloride mixes with the ratio that mol ratio is 1: 1.3-2.0 of free ammonia according to magnesium chloride with ammonia, and makes mixture
The environment of 45 degree of-90 degree Celsius reacts 5-30 minute, reactant liquor is consolidated after filtering, wash, be dried, pulverizing
Body magnesium hydroxide.Shortcoming is that the method uses ammonia to participate in producing as alkali liquor, pollution environment, output ammonium chloride garbage, and
And the dispersive property of this product is poor, final products need through being dried, pulverization process.
5, the patent of invention of Application No. 200610146040.2 discloses a kind of shepardite wet method and prepares ultra-fine hydroxide
The method of magnesium powder: first existing is that raw material ball milling 36 after 450 DEG C-700 DEG C calcinings, addition dehydrated alcohol+water is little by brucite powder
Time, 120 DEG C be dried, pulverizing prepare ultrafine magnesium hydroxide powder.Shortcoming is that the method uses dehydrated alcohol to participate in producing as solvent,
There is potential safety hazard, and the process time of this product is longer, final products need through being dried, pulverization process.
In sum, this area be easily isolated in the urgent need to a kind of simple operating steps, product, solid content high and right
Eco-friendly magnesium hydroxide slurries preparation method for material.
Summary of the invention
A kind of method that it is an object of the invention to provide preparing super fine magnesium hydroxide by wet method slurry, it is conducive to environment to protect
Protecting, production cost is low, and on the premise of higher solids content is constant, can improve the stability of magnesium hydroxide slurry.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of preparing super fine magnesium hydroxide by wet method slurry
Method, comprises the following steps:
Step 1. is first by the efficient surfactant of 1-10 weight portion, and the grinding aid of 10-30 weight portion adds 70-700 weight portion
Water, stand-by after being uniformly dispersed;
Step 2. weighs in the stand-by solution of hydroxide magnesium powder addition step 1 of 50-150 weight portion again, and dispersion is prepared as waiting to grind
Mill magnesium magma;
Step 3. adds the abrasive media ball of 400-600 weight portion in the magnesium magma to be ground of step 2 and grinds
Mill, is ground to the super fine magnesium hydroxide slurry of target grain size;
The step 4. super fine magnesium hydroxide slurry in step 3 adds the stable composition auxiliary agent of 0.1-5 weight portion, and regulates super
The solid content of thin magnesium hydroxide slurry.
Wherein, in step 2, the size of hydroxide magnesium powder is 2.8-20 micron.
In step 3, the fineness of magnesium hydroxide slurry is: the granule less than 2 microns accounts for whole particle volume
80-100%, the granule less than 1 micron accounts for the 50-60% of whole particle volume.
Described stable composition auxiliary agent includes anion surfactant and nonionic surfactant, wherein anion table
Face activating agent accounts for the 92-98% of stable composition auxiliary agent total amount, and nonionic surfactant accounts for the 2-8% of stable composition auxiliary agent total amount.
Described anion surfactant is the one in dodecylbenzene sodium sulfonate and polyacrylate, non-ionic surface
Activating agent be alkylphenol polyoxyethylene, anhydrous sodium metasilicate, sodium carboxymethyl cellulose, poly-epoxy succinic acid and polyvinyl alcohol its
In one, two or more mixture.
Described efficient surfactant is sodium tripolyphosphate, sodium hexameta phosphate, polyacrylic acid sodium salt and polycarboxylate, its
In one, two or more mixture.
Described grinding aid is alcamine compound.
Described abrasive media is the one in bead, ceramic bead, Zirconium orthosilicate. pearl, and the specification of abrasive media is 0.1-
A kind of specification between 3.0mm, two kinds of specifications or the combination of media of three kinds of specification mixtures by a certain percentage.
The invention has the beneficial effects as follows:
(1) present invention by processing the 70-90 level magnesium hydroxide slurry obtained to magnesium hydroxide raw material waterproof pulverization, its slurry
Solid content brings up to more than 50%, and on the premise of keeping its solid content constant, improves the stability of magnesium hydroxide slurry;And
Preferable mobility can be kept in the case of placing 2-3 week, without lamination, meet the requirement of stability slurry.
(2) magnesium hydroxide slurry prepared by the present invention has stronger shock-absorbing capacity, higher activity and energy of adsorption
Power, and there is non-settleability, non-coherency and preferable mobility, and be prone to pumping and store, do not have corrosivity, it is not necessary to special
Anticorrosion equipment dispose, safe and nontoxic, harmless.
(3) preparation method of the present invention is carried out in inorganic mineral wet grinding workshop, and equipment is without changing and simple to operate;
Abrasive media low price, use cost is low, and grinding efficiency is high, and service wear is low.
(4) using super fine magnesium hydroxide slurry prepared by the present invention, wet method processing mode decreases the dust of processing site
Pollute, beneficially environmental conservation, save production cost, cost of transportation, increase the competitiveness of product in market.
Detailed description of the invention
Experimental raw: hydroxide magnesium powder: butt presses 100 parts of calculating;Efficient surfactant: sodium tripolyphosphate, six inclined phosphorus
Acid sodium, polyacrylic acid sodium salt and polycarboxylate, be configured to solution, and concentration is 30-50%, and molecular weight is between 1000-10000, folding
Dry relative dry hydrogen magnesium oxide addition 10-20 ‰;Grinding aid: alcamine compound, relative dry hydrogen magnesium oxide of giving money as a gift adds 10-
25‰;Abrasive media is bead, ceramic bead, Zirconium orthosilicate. pearl.
The technical scheme of invention is further illustrated below by specific embodiment.
Embodiment 1
Hydroxide magnesium powder 50 weight portion selecting particle diameter to be 2.8 microns, is equipped with 1 weight portion efficient surfactant, 15 weights
Measure in the lab scale grinder of part grinding aid, 70 weight parts waters and carry out wet grinding;Abrasive media 400 weight portion, uses 1.0-
The Zirconium orthosilicate. pearl of 3.0mm, true density is 4g/cm2, charge ratio of media is 2%;Wherein efficient surfactant is sodium tripolyphosphate
Solution, grinding aid is monoethanolamine solution, after milling time is 30 minutes, sampling and measuring grinding product particle diameter, grind
To super fine magnesium hydroxide slurry in account for the 80-100% of whole particle volume, the granule less than 1 micron less than the granule of 2 microns
Account for the 50-60% of whole particle volume;It is subsequently adding the stable composition auxiliary agent of 5 weight portions, detergent alkylate in stable composition auxiliary agent
Sodium sulfonate accounts for 93%, and anhydrous sodium metasilicate accounts for 7%;The solid content of regulation super fine magnesium hydroxide slurry is 55%, places two weeks and occurs dividing
Layer phenomenon.
Embodiment 2
Hydroxide magnesium powder 100 weight portion selecting particle diameter to be 5.0 microns, is equipped with 5 weight portion efficient surfactants, 15 weights
Measure in the lab scale grinder of part grinding aid, 100 weight parts waters and carry out wet grinding;Abrasive media 400 parts, uses 1.0-3.0mm
Ceramic bead, true density is 4g/cm2, charge ratio of media is 3%;Wherein efficient surfactant is sodium tripolyphosphate and polypropylene
The mixed solution of acid sodium-salt, grinding aid is the mixed solution of monoethanolamine and diethanolamine, after milling time is 90 minutes, sampling
Measuring the particle diameter of grinding product, in the super fine magnesium hydroxide slurry that grinding obtains, the granule less than 2 microns accounts for whole particle volume
80-100%, the granule less than 1 micron accounts for the 50-60% of whole particle volume;The stable composition being subsequently adding 5 weight portions helps
Agent, in complex stabilizer, sodium polyacrylate accounts for 95%, and alkylphenol polyoxyethylene accounts for 2%, and polyvinyl alcohol accounts for 3%;Regulate ultra-fine hydrogen-oxygen
The solid content changing magnesium slurry is 52%, lamination occurs after placing two weeks.
Embodiment 3
Selecting particle diameter is the hydroxide magnesium powder of 20 microns, is equipped with the efficient surfactant of 10 weight portions, 30 weight portions help
Grinding agent, 700 weight parts waters lab scale grinder in carry out wet grinding, abrasive media 600 parts, use the silicic acid of 1.0-3.0mm
Zirconium pearl, true density is 4g/cm2, charge ratio of media is 4%;Wherein efficient surfactant is sodium hexameta phosphate, sodium polyacrylate
Salt and the mixed solution of polycarboxylate, grinding aid is triethanolamine solution, and after milling time is 50 minutes, sampling and measuring is ground and produced
The particle diameter of thing, grinds in the super fine magnesium hydroxide slurry that obtains the granule less than 2.0 microns and accounts for the 80-of whole particle volume
100%, the granule less than 1 micron accounts for the 50-60% of whole particle volume;It is subsequently adding the stable composition auxiliary agent of 3 weight portions, compound
In stabilization aid, dodecylbenzene sodium sulfonate accounts for 98%, and sodium carboxymethyl cellulose accounts for 2%, regulates super fine magnesium hydroxide slurry solid content
It is 60%, places two weeks without lamination.
Embodiment 4
Select granularity be median be the hydroxide magnesium powder 120 parts of 15 microns, be equipped with 10 weight portion high effective surface actives
Agent, 15 weight portion grinding aids, 300 weight parts waters lab scale grinder in carry out wet grinding, abrasive media 400 parts, use
The bead of 1.0-3.0mm, true density is 4g/cm2, charge ratio of media is 4%;Wherein efficient surfactant is hexa metaphosphoric acid
The mixed solution of sodium, polyacrylic acid sodium salt and polycarboxylate, grinding aid is triethanolamine solution, after milling time is 70 minutes,
Sampling and measuring grinding product particle diameter, grind in the super fine magnesium hydroxide slurry that obtains the granule less than 2 microns and account for whole
The 80-100% that plastochondria is long-pending, the granule less than 1 micron accounts for the 50-60% of whole particle volume;The stable composition adding 2 weight portions helps
Agent, in stable composition auxiliary agent, dodecylbenzene sodium sulfonate accounts for 95%, and alkylphenol polyoxyethylene accounts for 5%;Regulation super fine magnesium hydroxide
Slurry solid content is 62%, places three weeks and starts lamination occur.
Comparative example 1
The hydroxide magnesium powder 120 parts selecting particle diameter to be 15 microns, is equipped with 2 weight portion stable composition auxiliary agents, 10 weight portions height
Imitate in the lab scale grinder of surfactant, 15 weight portion grinding aids, 300 weight parts waters and carry out wet grinding, abrasive media 400
Part, using the bead of 1.0-3.0mm, true density is 4g/cm2, charge ratio of media is 4%;Wherein efficient surfactant is six
The mixed solution of Polymeric sodium metaphosphate., polyacrylic acid sodium salt and polycarboxylate, grinding aid is triethanolamine solution, and milling time is 70 points
Zhong Hou, sampling and measuring grinding product particle diameter, grind in the super fine magnesium hydroxide slurry that obtains the granule less than 2.0 microns and account for
All 80-100% of particle volumes, the granule less than 1 micron accounts for the 50-60% of whole particle volume, in stable composition auxiliary agent ten
Dialkyl benzene sulfonic acids sodium accounts for 95%, and alkylphenol polyoxyethylene accounts for 5%;The solid content of regulation super fine magnesium hydroxide slurry is 30%, puts
Put 4 days and lamination occurs.
Comparative example 2
Selecting particle diameter is 15 microns of hydroxide magnesium powder 120 weight portions, is equipped with 10 weight portion efficient surfactants, 15 weight
Part grinding aid, 300 weight parts waters lab scale grinder in carry out wet grinding, abrasive media 400 weight portion, use 1.0-
The bead of 3.0mm, true density is 4g/cm2, charge ratio of media is 4%;Wherein efficient surfactant is sodium hexameta phosphate, gathers
Acrylic acid sodium salt and the mixed solution of polycarboxylate, grinding aid is triethanolamine solution, and after milling time is 70 minutes, sampling is surveyed
Determine grinding product particle diameter, grind in the super fine magnesium hydroxide slurry that obtains the granule less than 2.0 microns and account for whole granule
Long-pending 80-100%, the granule less than 1 micron accounts for the 50-60% of whole particle volume.Consolidating of super fine magnesium hydroxide slurry contains in regulation
Amount is 20%, after placing 2 days, lamination i.e. occurs.
The present invention is by a series of research, experiment, it was demonstrated that the super fine magnesium hydroxide slurry prepared by this method, its slurry
Solid content bring up to more than 50%, magnesium hydroxide slurry along with solid content improve, the refinement of granularity, magnesium hydroxide slurry has
Stronger shock-absorbing capacity, activity increase significantly;Magnesium hydroxide slurry has non-settleability, non-coherency and preferably flows
Property, and be prone to pumping and store.By adding stable composition auxiliary agent in this preparation method, the stability indicator of its slurry meets surely
The requirement of qualitative slip, without lamination after placing one week~three weeks, preparation method of the present invention is carried out in wet grinding workshop, wet
Method sand mill is simple to operate, and super fine magnesium hydroxide slurry uses wet method processing mode to decrease the dust pollution of processing site, has
It is beneficial to environmental conservation, saves production cost, cost of transportation, increase the competitiveness of product in market.
Claims (8)
1. the method for a preparing super fine magnesium hydroxide by wet method slurry, it is characterised in that comprise the following steps:
Step 1. is first by the efficient surfactant of 1-10 weight portion, and the grinding aid of 10-30 weight portion adds 70-700 weight portion
Water, stand-by after being uniformly dispersed;
Step 2. weighs in the stand-by solution of hydroxide magnesium powder addition step 1 of 50-150 weight portion again, and dispersion is prepared as waiting to grind
Mill magnesium magma;
Step 3. adds the abrasive media ball of 400-600 weight portion in the magnesium magma to be ground of step 2 and grinds
Mill, is ground to the super fine magnesium hydroxide slurry of target grain size;
The step 4. super fine magnesium hydroxide slurry in step 3 adds the stable composition auxiliary agent of 0.1-5 weight portion, and regulates super
The solid content of thin magnesium hydroxide slurry.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 1, it is characterised in that: hydrogen in step 2
The size of magnesia powder is 2.8-20 micron.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 1, it is characterised in that: hydrogen in step 3
The fineness of magnesium oxide slurry is: the granule less than 2 microns accounts for the 80-100% of whole particle volume, and the granule less than 1 micron accounts for entirely
The 50-60% of portion's particle volume.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 1, it is characterised in that: described is compound
Stabilization aid includes anion surfactant and nonionic surfactant, and wherein anion surfactant accounts for stable composition
The 92-98% of auxiliary agent total amount, nonionic surfactant accounts for the 2-8% of stable composition auxiliary agent total amount.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 4, it is characterised in that: described anion
Surfactant is the one in dodecylbenzene sodium sulfonate and polyacrylate, and nonionic surfactant is alkyl phenol polyoxy
Vinyl Ether, anhydrous sodium metasilicate, sodium carboxymethyl cellulose, poly-epoxy succinic acid and polyvinyl alcohol therein one or more
Mixture.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 1, it is characterised in that: described is efficient
Surfactant is sodium tripolyphosphate, sodium hexameta phosphate, polyacrylic acid sodium salt and polycarboxylate, therein one or more
Mixture.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 1, it is characterised in that: described grinding aid
Agent is alcamine compound.
The method of preparing super fine magnesium hydroxide by wet method slurry the most according to claim 1, it is characterised in that: described grinding
Medium is the one in bead, ceramic bead, Zirconium orthosilicate. pearl, the specification of abrasive media be a kind of specification between 0.1-3.0mm,
Two kinds of specifications or three kinds of specifications are by the combination of media of predetermined ratio mixture.
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Cited By (10)
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CN108440995A (en) * | 2018-01-15 | 2018-08-24 | 大连亚泰科技新材料股份有限公司 | A kind of method that wet method prepares modified micro-nano flame retardant of magnesium hydroxide |
CN111437973A (en) * | 2020-04-15 | 2020-07-24 | 山东格润德环保科技有限公司 | Grinding method and application of magnesium hydroxide suspension with uniform particle size distribution |
CN111439766A (en) * | 2020-04-15 | 2020-07-24 | 山东格润德环保科技有限公司 | Method for preparing magnesium hydroxide suspension by hydrating magnesium oxide |
CN111517800A (en) * | 2020-04-20 | 2020-08-11 | 中国科学院合肥物质科学研究院 | Method for preparing high-purity superfine zirconium boride powder by grinding aid auxiliary sanding |
CN112403213A (en) * | 2020-11-25 | 2021-02-26 | 大连海事大学 | Magnesium hydroxide slurry and preparation method thereof |
CN112588138A (en) * | 2020-11-18 | 2021-04-02 | 潍坊凯博镁盐有限公司 | Method for preparing high-stability magnesium hydroxide suspension |
CN114213875A (en) * | 2021-12-24 | 2022-03-22 | 大连理工大学 | High-stability magnesium hydroxide suspension and preparation method thereof |
CN114395274A (en) * | 2022-01-12 | 2022-04-26 | 江西广源化工有限责任公司 | Superfine modified magnesium hydroxide, preparation method and application thereof, and flame-retardant polyolefin cable material |
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CN116356605A (en) * | 2023-03-14 | 2023-06-30 | 江西广源化工有限责任公司 | Brucite flame-retardant slurry and preparation method and application thereof |
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CN111439766A (en) * | 2020-04-15 | 2020-07-24 | 山东格润德环保科技有限公司 | Method for preparing magnesium hydroxide suspension by hydrating magnesium oxide |
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CN111517800A (en) * | 2020-04-20 | 2020-08-11 | 中国科学院合肥物质科学研究院 | Method for preparing high-purity superfine zirconium boride powder by grinding aid auxiliary sanding |
CN112588138A (en) * | 2020-11-18 | 2021-04-02 | 潍坊凯博镁盐有限公司 | Method for preparing high-stability magnesium hydroxide suspension |
CN112403213A (en) * | 2020-11-25 | 2021-02-26 | 大连海事大学 | Magnesium hydroxide slurry and preparation method thereof |
CN114213875A (en) * | 2021-12-24 | 2022-03-22 | 大连理工大学 | High-stability magnesium hydroxide suspension and preparation method thereof |
CN114213875B (en) * | 2021-12-24 | 2022-05-20 | 大连理工大学 | High-stability magnesium hydroxide suspension and preparation method thereof |
CN114395274A (en) * | 2022-01-12 | 2022-04-26 | 江西广源化工有限责任公司 | Superfine modified magnesium hydroxide, preparation method and application thereof, and flame-retardant polyolefin cable material |
CN115537040A (en) * | 2022-08-30 | 2022-12-30 | 江西广源化工有限责任公司 | Superfine magnesium hydroxide and preparation method and application thereof |
CN115537040B (en) * | 2022-08-30 | 2023-09-15 | 江西广源化工有限责任公司 | Superfine magnesium hydroxide and preparation method and application thereof |
CN116356605A (en) * | 2023-03-14 | 2023-06-30 | 江西广源化工有限责任公司 | Brucite flame-retardant slurry and preparation method and application thereof |
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