CN101392104A - Method for preparing surface modified superfine aluminium hydroxide - Google Patents
Method for preparing surface modified superfine aluminium hydroxide Download PDFInfo
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- CN101392104A CN101392104A CNA2008102264456A CN200810226445A CN101392104A CN 101392104 A CN101392104 A CN 101392104A CN A2008102264456 A CNA2008102264456 A CN A2008102264456A CN 200810226445 A CN200810226445 A CN 200810226445A CN 101392104 A CN101392104 A CN 101392104A
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- Prior art keywords
- aluminium hydroxide
- slurry
- aluminum hydroxide
- modified superfine
- surface modified
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- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910021502 aluminium hydroxide Inorganic materials 0.000 title claims description 68
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 230000004048 modification Effects 0.000 claims abstract description 25
- 238000012986 modification Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000012065 filter cake Substances 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 5
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 5
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000005642 Oleic acid Substances 0.000 claims abstract description 5
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims abstract description 5
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 5
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 5
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims abstract description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 5
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 5
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 5
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims abstract description 5
- 239000008117 stearic acid Substances 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000008234 soft water Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000005060 rubber Substances 0.000 abstract description 2
- 239000003607 modifier Substances 0.000 abstract 2
- 239000010413 mother solution Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 230000004913 activation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 238000007385 chemical modification Methods 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical compound O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- -1 electric wire Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005320 surfactant adsorption Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention relates to a method for preparing surface-modified superfine aluminum hydroxide, relating to the method for preparing modified superfine aluminum hydroxide used as flame retardant filler for wiring cables, rubbers and plastics. The method includes the steps: sodium aluminate solution is decomposed to obtain aluminum hydroxide and decomposing mother solution which are separated into liquid and solid; the obtained aluminum hydroxide filter cake is put into a washing tank and added with washing water to prepare aluminum hydroxide slurry; the method is characterized in that one or any two of stearic acid, sodium stearate, oleic acid or sodium oleate is or are used as a modifier or modifiers which is or are added into the slurry during the washing of the aluminum hydroxide for modifying the surface of the powder. The modifying of the surface of the superfine aluminum hydroxide by adopting the method is closely combined with the aluminum hydroxide producing process, which effectively reduces the production cost, simplifies the production technique, ensures good surface modification effect and improves the service performance of the product.
Description
Technical field
A kind of preparation method of surface modified superfine aluminium hydroxide relates to as the preparation method of fire-retardant fillers such as electric wire, rubber, plastics with modified superfine aluminium hydroxide.
Background technology
Aluminium hydroxide is the higher inorganic combustion inhibitor of a kind of cost performance, when reaching higher degree, consumption has good flame retardancy, and the time not discharging poison gas in burning, and can produce the cooperative flame retardant effect with multiple material such as phosphorus, is the environmental type fire retardant of present consumption maximum.
On the other hand, aluminium hydroxide is a kind of strong polarity inorganic materials, particularly the affinity of non-polar polyolefinic is poor with organic polymer, interface binding power is little, relatively poor with the consistency of superpolymer in use, thereby cause that material is mixing, mobile poor during moulding, the mechanical property decline of processing characteristics and end article.In addition, because the flame retarding efficiency of aluminium hydroxide is low. obtain satisfied flame retardant effect must fill in a large number, and this mechanical property and processing characteristics influence to material is bigger.The key that addresses these problems is to improve the fineness of filler and the consistency and the bonding force of enhancing and superpolymer base-material.
The method of aluminium hydrate powder surface modification is a lot, but can be classified as physically modified and chemical modification two classes.Physically modified is difficult to promote as: shortcomings such as low-temperature plasma modified method, High Speed Airflow Impact etc. all exist needs Special Equipment carry out modification, and facility investment is big, complex process.Therefore, generally adopt surface chemical modification.Surface chemical modification comprises esterification reaction method, coupling agent method, SURFACTANT ADSORPTION method and polymer overmold method etc., but these technologies exist properties-correcting agent to cost an arm and a leg or shortcoming such as complex process.
Summary of the invention
Purpose of the present invention is exactly the deficiency that exists at above-mentioned prior art, and a kind of preparation method that can effectively reduce the modification cost, simplify the surface modified superfine aluminium hydroxide of technology is provided.
The objective of the invention is to be achieved through the following technical solutions.
A kind of preparation method of surface modified superfine aluminium hydroxide, comprise that the aluminium hydroxide with sodium aluminate solution decomposition back gained carries out liquid-solid the separation with decomposition nut liquid, again the aluminum hydroxide filter cake of gained is put into rinse bath adding wash water and be made into the aluminium hydroxide slurry, it is characterized in that adopting in stearic acid, sodium stearate, oleic acid or the sodium oleate a kind of or wantonly two kinds as properties-correcting agent, join in the slurry of ultrafine aluminium hydroxide washing process powder carried out surface modification.
The preparation method of a kind of surface modified superfine aluminium hydroxide of the present invention, it is characterized in that described modifying process is that described properties-correcting agent is joined in the slurry of aluminium hydroxide rinse bath, under 40-95 ℃ of temperature, stirred 10 minutes to 180 minutes, stir speed (S.S.) is 50-300 rev/min and carries out modified-reaction, the properties-correcting agent add-on is 0.1%～10% of an aluminium hydroxide powder quality, and slurry after filtration, obtain the modified aluminium hydroxide powder after washing, dry, breaing up after the reaction.
The preparation method of a kind of surface modified superfine aluminium hydroxide of the present invention is characterized in that aluminium hydroxide contains the grams per liter for 50-400 admittedly in the described aluminium hydroxide slurry.
The preparation method of a kind of surface modified superfine aluminium hydroxide of the present invention is characterized in that described washing process is to adopt 50 ℃～95 ℃ hot soft water that isolated aluminum hydroxide filter cake is washed.
The preparation method of a kind of surface modified superfine aluminium hydroxide of the present invention is characterized in that described drying process is dry under the temperature under 60 ℃～150 ℃.
Method of the present invention, select cheap surface-modifying agent for use, and surface modification and ultrafine aluminium hydroxide production process combined closely, in process of production powder is carried out modification, to reduce production costs, and improve fire retardant with the consistency between aluminium hydroxide powder and organic polymer, can obtain activation index greater than 80% modified superfine fine aluminum hydroxide powder.
Description of drawings
Accompanying drawing 1 is the ultrafine aluminium hydroxide surface modification technology schema of this invention.
Embodiment
A kind of surface modifying method of ultrafine aluminium hydroxide, with in the stearic acid of cheapness or sodium stearate or oleic acid or the sodium oleate a kind of or wantonly two kinds as properties-correcting agent, in the ultrafine aluminium hydroxide washing process, powder is carried out surface modification.At first the aluminium hydroxide that sodium aluminate solution is decomposed the back gained carries out liquid-solid the separation with decomposition nut liquid, again the aluminum hydroxide filter cake of gained is put into rinse bath (also the aluminum hydroxide filter cake behind the band filter filtration washing can be added rinse bath) adding wash water and be made into the aluminium hydroxide slurry, aluminium hydroxide contains the grams per liter for 50-400 admittedly in the slurry, any or two kinds in the properties-correcting agent recited above are joined in the aluminium hydroxide rinse bath, press 0.1%～10% of aluminium hydroxide powder quality and add properties-correcting agent, the temperature of slurry is 40-95 ℃ in the rinse bath, in groove, stirred 10 minutes to 180 minutes, stir speed (S.S.) is 50-300 rev/min, and slurry after filtration after the reaction, washing, oven dry, obtain the modified aluminium hydroxide powder after breaing up.
Concrete operations the steps include:
A. the aluminium hydroxide that at first sodium aluminate solution is decomposed the back gained carries out liquid-solid the separation with decomposition nut liquid, again the aluminum hydroxide filter cake of gained is put into rinse bath, adds wash water and is made into the aluminium hydroxide slurry, and aluminium hydroxide contains the grams per liter for 50-400 admittedly in the slurry.
B. in the aluminium hydroxide slurry of in step a, being prepared, add in the properties-correcting agent recited above any or two kinds in the aluminium hydroxide rinse bath, the add-on of properties-correcting agent is 0.1%～10% of an aluminium hydroxide powder quality, adopt steam or other type of heating to make that slurry temperature maintains 40-95 ℃ in the rinse bath, stirred 10 minutes to 180 minutes in groove, stir speed (S.S.) is 50-300 rev/min.
C. after modification finished, the aluminium hydroxide slurry after the employing liquid-solid separation equipment finishes modification carried out liquid-solid separation, and wash water is back to the preparation that step a is used for slurry; Adopt 50 ℃～95 ℃ hot soft water that isolated aluminum hydroxide filter cake is washed, leaching requirement is 2-20 a times of powder quality, and it is dry under 60 ℃～150 ℃ temperature to wash the back filter cake.
D. with above-mentioned dried fine aluminum hydroxide powder, carry out machinery and break up, obtain the ultrafine aluminium hydroxide micro mist of modification.
Embodiment 1
Aluminium hydroxide slurry after decomposing is carried out liquid-solid the separation with mother liquor, aluminum hydroxide filter cake joins in the rinse bath, add wash water and be mixed with that to contain admittedly be the aluminium hydroxide slurry of 100 grams per liters, press 5% adding technical grade sodium stearate of aluminium hydroxide powder quality in the groove, slurry temperature is 70 ℃ in the groove, stirring velocity is 200 rev/mins, and modification time is 60 minutes.Reaction is used plate-and-frame filter press that slurry is carried out liquid-solid separation slurry, and with 90 ℃ hot wash water powder is washed after finishing, and leaching requirement is 20 times of powder quality.Filter cake after the washing was 150 ℃ of dryings 6 hours, and filter cake obtains the ultra fine aluminium hydroxide body of modification behind ball milling, and the activation index of aluminium hydroxide is greater than 90% after the modification.
Embodiment 2
Aluminium hydroxide slurry after decomposing is carried out liquid-solid the separation with mother liquor, aluminum hydroxide filter cake joins in the rinse bath, add wash water and be mixed with that to contain admittedly be the aluminium hydroxide slurry of 250 grams per liters, press 5% adding technical grade oleic acid of aluminium hydroxide powder quality in the groove, slurry temperature is 85 ℃ in the groove, stirring velocity is 100 rev/mins, and modification time is 60 minutes.Reaction is used plate-and-frame filter press that slurry is carried out liquid-solid separation slurry, and with 80 ℃ hot wash water powder is washed after finishing, and leaching requirement is 15 times of powder quality.Filter cake after the washing was 130 ℃ of dryings 8 hours, and filter cake obtains the ultra fine aluminium hydroxide body of modification behind ball milling, and the activation index of aluminium hydroxide is greater than 85% after the modification.
Embodiment 3
Aluminium hydroxide slurry after decomposing is carried out liquid-solid the separation with mother liquor, aluminum hydroxide filter cake joins in the rinse bath, add wash water and be mixed with that to contain admittedly be the aluminium hydroxide slurry of 100 grams per liters, press 2% adding technical grade sodium oleate of aluminium hydroxide powder quality in the groove, slurry temperature is 55 ℃ in the groove, stirring velocity is 200 rev/mins, and modification time is 150 minutes.Reaction is used plate-and-frame filter press that slurry is carried out liquid-solid separation slurry, and with 70 ℃ hot wash water powder is washed after finishing, and leaching requirement is 20 times of powder quality.Filter cake after the washing was 130 ℃ of dryings 8 hours, and filter cake obtains the ultra fine aluminium hydroxide body of modification behind ball milling, and the activation index of aluminium hydroxide is greater than 85% after the modification.
Embodiment 4
Aluminum hydroxide filter cake behind the band filter filtration washing joins in the making beating rinse bath, admittedly containing by slurry is that 300 grams per liters add hot pure water, and adding accounts for the stearic acid of butt aluminium hydroxide powder quality 1% in slurry, slurry temperature is 85 ℃ in the groove, stirring velocity is 100 rev/mins, and the reaction times is 90 minutes.After modified-reaction finishes, with pump slurry is input in the spray-drying tower, obtains the ultra fine aluminium hydroxide body of modification after spray-dried, the activation index of aluminium hydroxide is greater than 80% after the modification.
Claims (5)
1. the preparation method of a surface modified superfine aluminium hydroxide, comprise that the aluminium hydroxide with sodium aluminate solution decomposition back gained carries out liquid-solid the separation with decomposition nut liquid, again the aluminum hydroxide filter cake of gained is put into rinse bath adding wash water and be made into the aluminium hydroxide slurry, it is characterized in that adopting in stearic acid, sodium stearate, oleic acid or the sodium oleate a kind of or wantonly two kinds as properties-correcting agent, join in the slurry of ultrafine aluminium hydroxide washing process powder carried out surface modification.
2. the preparation method of a kind of surface modified superfine aluminium hydroxide according to claim 1, it is characterized in that described modifying process is that described properties-correcting agent is joined in the slurry of aluminium hydroxide rinse bath, under 40-95 ℃ of temperature, stirred 10 minutes to 180 minutes, stir speed (S.S.) is the 50-300 rev/min of reaction of carrying out modification, the properties-correcting agent add-on is 0.1%～10% of an aluminium hydroxide powder quality, and slurry after filtration, obtain the modified aluminium hydroxide powder after washing, dry, breaing up after the reaction.
3. according to the preparation method of claim 1 and 2 described a kind of surface modified superfine aluminium hydroxides, it is characterized in that aluminium hydroxide contains the grams per liter for 50-400 admittedly in the described aluminium hydroxide slurry.
4. the preparation method of a kind of surface modified superfine aluminium hydroxide according to claim 2 is characterized in that described washing process is to adopt 50 ℃～95 ℃ hot soft water that isolated aluminum hydroxide filter cake is washed.
5. the preparation method of a kind of surface modified superfine aluminium hydroxide according to claim 2 is characterized in that described drying process is dry under the temperature under 60 ℃～150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102264456A CN101392104A (en) | 2008-11-11 | 2008-11-11 | Method for preparing surface modified superfine aluminium hydroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102264456A CN101392104A (en) | 2008-11-11 | 2008-11-11 | Method for preparing surface modified superfine aluminium hydroxide |
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| Publication Number | Publication Date |
|---|---|
| CN101392104A true CN101392104A (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102264456A Pending CN101392104A (en) | 2008-11-11 | 2008-11-11 | Method for preparing surface modified superfine aluminium hydroxide |
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| CN (1) | CN101392104A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352137A (en) * | 2011-08-18 | 2012-02-15 | 中国铝业股份有限公司 | Method for preparing aluminum bydroxide powder used for flame retardance or filling |
| CN102850991A (en) * | 2011-07-01 | 2013-01-02 | 上海渊信建筑材料有限公司 | Flame-retardant two-component polysulfide rubber elastic sealant for hollow glass, and its preparation method |
| CN104004226A (en) * | 2014-05-07 | 2014-08-27 | 上海应用技术学院 | Modified aluminum hydroxide and preparation method thereof |
| CN105017793A (en) * | 2015-07-11 | 2015-11-04 | 新疆大学 | Synthesis and preparation method for hydrophobic flame retardant material |
| CN106947298A (en) * | 2017-03-17 | 2017-07-14 | 苏州大学张家港工业技术研究院 | A kind of lipophile method of modifying of nano aluminium oxide |
| CN110436499A (en) * | 2019-08-23 | 2019-11-12 | 山东省化工研究院 | A kind of regulation method of ultrafine aluminium hydroxide oil factor |
-
2008
- 2008-11-11 CN CNA2008102264456A patent/CN101392104A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850991A (en) * | 2011-07-01 | 2013-01-02 | 上海渊信建筑材料有限公司 | Flame-retardant two-component polysulfide rubber elastic sealant for hollow glass, and its preparation method |
| CN102850991B (en) * | 2011-07-01 | 2015-04-01 | 上海渊信建筑材料有限公司 | Flame-retardant two-component polysulfide rubber elastic sealant for hollow glass, and its preparation method |
| CN102352137A (en) * | 2011-08-18 | 2012-02-15 | 中国铝业股份有限公司 | Method for preparing aluminum bydroxide powder used for flame retardance or filling |
| CN104004226A (en) * | 2014-05-07 | 2014-08-27 | 上海应用技术学院 | Modified aluminum hydroxide and preparation method thereof |
| CN105017793A (en) * | 2015-07-11 | 2015-11-04 | 新疆大学 | Synthesis and preparation method for hydrophobic flame retardant material |
| CN105017793B (en) * | 2015-07-11 | 2017-08-11 | 新疆大学 | A kind of synthesis preparation method of hydrophobic fire proofing |
| CN106947298A (en) * | 2017-03-17 | 2017-07-14 | 苏州大学张家港工业技术研究院 | A kind of lipophile method of modifying of nano aluminium oxide |
| CN110436499A (en) * | 2019-08-23 | 2019-11-12 | 山东省化工研究院 | A kind of regulation method of ultrafine aluminium hydroxide oil factor |
| CN110436499B (en) * | 2019-08-23 | 2022-04-26 | 山东省化工研究院 | Method for regulating and controlling oil absorption value of superfine aluminum hydroxide |
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Open date: 20090325 |