CN107090289A - A kind of preparation method of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials - Google Patents
A kind of preparation method of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials Download PDFInfo
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- CN107090289A CN107090289A CN201710274443.3A CN201710274443A CN107090289A CN 107090289 A CN107090289 A CN 107090289A CN 201710274443 A CN201710274443 A CN 201710274443A CN 107090289 A CN107090289 A CN 107090289A
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- attapulgite
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/67—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
- C09K11/68—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals containing chromium, molybdenum or tungsten
- C09K11/685—Aluminates; Silicates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
Abstract
The invention discloses a kind of attapulgite loaded artificial schellite and the preparation method of Zinc Tungstate co-precipitated materials, comprise the following steps：Wolframic acid sodium water solution, calcium chloride water and solder(ing)acid are well mixed, then mixed solution is added in the absolute ethyl alcohol slurries of attapulgite rapidly, carry out high-speed stirred and heating water bath extremely seethes with excitement, isothermal reaction, it is naturally cooling to after room temperature, filters, solid product distilled water washes clean, vacuum drying, attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials needed for producing.Attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials luminescent properties produced by the present invention are excellent, not only higher luminous efficiency, also with longer fluorescence lifetime, and performance is stable, "dead", safe and reliable, can be widely used for making fluorescent paint.
Description
Technical field
The present invention relates to a kind of attapulgite loaded artificial schellite and the preparation method of Zinc Tungstate co-precipitated materials, belong to luminous
Material Field.
Background technology
Attapulgite is the clay mineral of zeopan containing Shuifu County of a kind of layer of chain structure, and its crystal is in needle-like, fiber
Shape aggregate, the brilliant diameter of single fiber is in 20nm or so, and length, up to several μm, is a kind of natural 1-dimention nano material
Material.In coating industry, attapulgite can be used to make up the deficiency of some thickeners and dispersant, preferable effect has been obtained
Really.Attapulgite can be used as the thickener, stop-off gent and levelling agent of coating, the exterior coating that is particularly suitable for use in, roof paint, structure
Coating and gelling coating.
Tungstates is salt of the anion containing tungstate radicle or poly- tungstate radicle.Ammonium ion, alkali metal, alkaline-earth metal and many weights
Metal cation can form tungstates, and tungstate material has excellent optical property and chemical stability, in luminescent material
Field has a wide range of applications, and tungstates common are sodium tungstate, artificial schellite, cobaltous tungstate, cadmium tungstate, ferrous tungstate, ammonium tungstate
With Zinc Tungstate etc..Wherein artificial schellite is self-activation fluorescent material, and it is effectively to be excited lower in X-ray, electron beam and ultraviolet
Luminescent material, irradiates exhibits blue fluorescence in 253.7nm ultraviolets, also sends blue light under cathode-ray exciting, can apply
In fluorescent paint.But yet there are no self-activation fluorescent material artificial schellite in the market and be supported on attapulgite applied to fluorescence
Example in coating, so can both play the performances such as the excellent thickening property of attapulgite, thixotropy and adsorptivity, can send out again
Artificial schellite is waved in a variety of wave bands（Such as ultraviolet, X-ray, electron beam, near-infrared）Ray excites lower luminous performance.But concave convex rod
Soil load artificial schellite haves the shortcomings that photoyield is low.And Zinc Tungstate has preferable photodamage resistant performance, it can greatly carry
High-luminous-efficiency, increases fluorescence lifetime.Therefore, the present invention develops a kind of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitation
The preparation method of material, compensate for the low defect of attapulgite loaded artificial schellite photoyield, significantly improves its luminous efficiency, greatly
Its fluorescence lifetime is extended greatly.
The content of the invention
It is an object of the invention to provide a kind of attapulgite loaded artificial schellite and the preparation side of Zinc Tungstate co-precipitated materials
Method, compensate for the low defect of attapulgite loaded artificial schellite photoyield, significantly improves its luminous efficiency, substantially prolongs its glimmering
The light life-span.
To achieve the above object, the present invention is adopted the following technical scheme that：
The preparation method of a kind of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials, comprises the following steps：
（1）According to mass ratio 1-2:0.6-0.8:0.2-0.4 weighs sodium tungstate, calcium chloride and zinc chloride；Then sodium tungstate is added
The wolframic acid sodium water solution that molar concentration is 0.3mol/L is made in water stirring, molar concentration is made is the calcium chloride stirring that adds water
0.3mol/L calcium chloride water；Zinc chloride is added water the solder(ing)acid for stirring and being made that molar concentration is 0.1mol/L；
（2）Purification of 3-5 times equivalent to sodium tungstate quality is taken to brighten attapulgite plus absolute ethyl alcohol ultrasonic agitation system after processing
It is stand-by into the slurries that mass concentration is 45-55%；
（3）Wolframic acid sodium water solution obtained above, calcium chloride water and solder(ing)acid are well mixed, then rapidly will
Mixed solution is added to step（2）In obtained slurries, carry out high-speed stirred and heating water bath extremely seethes with excitement, constant temperature 0.5-1h, from
So it is cooled to after room temperature, filters, then solid product distilled water washes clean is dried in vacuo 4-6h at 70-80 DEG C, produces
Required attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials.
Step（1）Described in the purification of attapulgite brighten processing and comprise the following steps：
（1）Attapulgite is crushed, is crossed after 80-120 mesh sieves, is calcined 1-2h at 680-740 DEG C, is cooled to room temperature；Then press
According to solid-to-liquid ratio 1:Attapulgite after roasting is added in the hydrochloric acid solution that molar concentration is 1mol/L by 10-15, then carries out height
Impulse electric field processing is pressed, electric-field intensity is 20-30kV/cm, and impulse electric field frequency is 200-300Hz, and processing time is 8-12s,
Heating water bath stirs 30-40min to 65-75 DEG C under 1000-1500r/min rotating speeds after being disposed, and filtering, filter residue steams
Distilled water is washed to neutrality, is dried, and is crushed, finely ground, crosses 100-150 mesh sieves；
（2）According to solid-to-liquid ratio 1:20-30 is by step（1）Obtained attapulgite is added to the water, 2000-3000r/min's
Stirring pulping under rotating speed and under 70-80 DEG C of bath temperature, obtains attapulgite suspension, then into attapulgite suspension
The acrylamide-sodium acrylate copolymer of the calgon and 5-10% equivalent to attapulgite quality 8-12% is added,
40-50min is stirred under 800-1200r/min rotating speed, then 20-30min is centrifuged under 5000-6000r/min rotating speed,
1-2h is stood, supernatant liquor is sucked with siphonage, same location is added water, repeats settle, stand, sucking supernatant liquor above
Operation 3-4 times, 6-8h is dried by solid product at 70-80 DEG C；
（3）According to solid-to-liquid ratio 1:20-25 is by step（2）It is molten that obtained attapulgite is added to the oxalic acid that molar concentration is 1mol/L
In liquid, the titanium trichloride equivalent to attapulgite quality 3-5% is added, microwave is heated to 70-80 DEG C, and microwave power is 600-
800W, stirs 10-15min under 1500-2500r/min rotating speed, filtering, filter residue distilled water washes clean, Ran Hou
3-5h is dried at 100-110 DEG C, then 2-3h is calcined at 560-620 DEG C, room temperature is cooled to, it is finely ground, 150-200 mesh sieves are crossed, i.e.,
Obtain required attapulgite.
Step（2）Described in ultrasonic power be 200-300W.
Step（3）Described in high-speed stirred rotating speed be 2500-3500r/min.
Beneficial effects of the present invention：
The present invention is using sodium tungstate, calcium chloride and zinc chloride as raw material, and attapulgite is carrier, by hydrothermal co-precipitation method by wolframic acid
Calcium and Zinc Tungstate co-precipitation are supported on attapulgite, are significantly improved the luminous efficiency of attapulgite loaded artificial schellite, are prolonged significantly
Its fluorescence lifetime is grown.Attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials luminescent properties produced by the present invention are excellent,
Not only higher luminous efficiency, also with longer fluorescence lifetime, performance is stable, "dead", safe and reliable, can be widely used for
Make fluorescent paint.
Embodiment
Embodiment 1
The preparation method of a kind of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials, comprises the following steps：
（1）According to mass ratio 1:0.6:0.2 weighs sodium tungstate, calcium chloride and zinc chloride；Then the sodium tungstate stirring that adds water is made
Molar concentration is 0.3mol/L wolframic acid sodium water solution, and calcium chloride is added water the chlorination stirred and be made that molar concentration is 0.3mol/L
The calcium aqueous solution；Zinc chloride is added water the solder(ing)acid for stirring and being made that molar concentration is 0.1mol/L；
（2）Take purification of 3 times equivalent to sodium tungstate quality to brighten attapulgite plus absolute ethyl alcohol ultrasonic agitation after processing to be made
Mass concentration is 45% slurries, stand-by；
（3）Wolframic acid sodium water solution obtained above, calcium chloride water and solder(ing)acid are well mixed, then rapidly will
Mixed solution is added to step（2）In obtained slurries, carry out high-speed stirred and heating water bath is to seething with excitement, constant temperature 0.5h is natural
It is cooled to after room temperature, filters, then solid product distilled water washes clean is dried in vacuo 6h at 70 DEG C, needed for producing
Attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials.
Step（1）Described in the purification of attapulgite brighten processing and comprise the following steps：
（1）Attapulgite is crushed, is crossed after 80 mesh sieves, is calcined 2h at 680 DEG C, is cooled to room temperature；Then according to solid-to-liquid ratio 1:
10 are added to the attapulgite after roasting in the hydrochloric acid solution that molar concentration is 1mol/L, then carry out at high-pressure pulse electric
Reason, electric-field intensity is 20kV/cm, and impulse electric field frequency is 200Hz, and processing time is 12s, and heating water bath is to 65 after being disposed
DEG C, 40min is stirred under 1000r/min rotating speeds, is filtered, filter residue is washed with distilled water to neutrality, is dried, is crushed, finely ground, mistake
100 mesh sieves；
（2）According to solid-to-liquid ratio 1:20 by step（1）Obtained attapulgite is added to the water, under 2000r/min rotating speed with
And stirring pulping under 70 DEG C of bath temperatures, obtain attapulgite suspension, then added into attapulgite suspension equivalent to
The calgon of attapulgite quality 8% and 5% acrylamide-sodium acrylate copolymer, are stirred under 800r/min rotating speed
50min is mixed, then 30min is centrifuged under 5000r/min rotating speed, 1h is stood, sucks supernatant liquor with siphonage, add water
To same location, repeat settle, stand above, suck supernatant liquor operation 3 times, solid product is dried into 8h at 70 DEG C；
（3）According to solid-to-liquid ratio 1:20 by step（2）Obtained attapulgite is added to the oxalic acid solution that molar concentration is 1mol/L
In, the titanium trichloride equivalent to attapulgite quality 3% is added, microwave is heated to 70 DEG C, and microwave power is 600W,
15min is stirred under 1500r/min rotating speed, is filtered, filter residue distilled water washes clean, then the dry 5h at 100 DEG C, then
3h is calcined at 560 DEG C, room temperature is cooled to, it is finely ground, 150 mesh sieves are crossed, required attapulgite is produced.
Step（2）Described in ultrasonic power be 200W.
Step（3）Described in high-speed stirred rotating speed be 2500r/min.
Embodiment 2
The preparation method of a kind of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials, comprises the following steps：
（1）According to mass ratio 1.5:0.7:0.3 weighs sodium tungstate, calcium chloride and zinc chloride；Then sodium tungstate is added water and stirs system
Into the wolframic acid sodium water solution that molar concentration is 0.3mol/L, calcium chloride is added water the chlorine for stirring and being made that molar concentration is 0.3mol/L
Change the calcium aqueous solution；Zinc chloride is added water the solder(ing)acid for stirring and being made that molar concentration is 0.1mol/L；
（2）Take purification of 4 times equivalent to sodium tungstate quality to brighten attapulgite plus absolute ethyl alcohol ultrasonic agitation after processing to be made
Mass concentration is 50% slurries, stand-by；
（3）Wolframic acid sodium water solution obtained above, calcium chloride water and solder(ing)acid are well mixed, then rapidly will
Mixed solution is added to step（2）In obtained slurries, carry out high-speed stirred and heating water bath is to seething with excitement, constant temperature 45min is natural
It is cooled to after room temperature, filters, then solid product distilled water washes clean is dried in vacuo 5h at 75 DEG C, needed for producing
Attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials.
Step（1）Described in the purification of attapulgite brighten processing and comprise the following steps：
（1）Attapulgite is crushed, is crossed after 100 mesh sieves, is calcined 1.5h at 710 DEG C, is cooled to room temperature；Then according to solid-to-liquid ratio
1:12 are added to the attapulgite after roasting in the hydrochloric acid solution that molar concentration is 1mol/L, then carry out at high-pressure pulse electric
Reason, electric-field intensity is 25kV/cm, and impulse electric field frequency is 250Hz, and processing time is 10s, and heating water bath is to 70 after being disposed
DEG C, 35min is stirred under 1200r/min rotating speeds, is filtered, filter residue is washed with distilled water to neutrality, is dried, is crushed, finely ground, mistake
120 mesh sieves；
（2）According to solid-to-liquid ratio 1:25 by step（1）Obtained attapulgite is added to the water, under 2500r/min rotating speed with
And stirring pulping under 75 DEG C of bath temperatures, obtain attapulgite suspension, then added into attapulgite suspension equivalent to
The calgon of attapulgite quality 10% and 8% acrylamide-sodium acrylate copolymer, under 1000r/min rotating speed
45min is stirred, then 25min is centrifuged under 5500r/min rotating speed, 1.5h is stood, supernatant liquor is sucked with siphonage, then
Add water to same location, repeat settle, stand above, suck supernatant liquor operation 3 times, solid product is dried at 75 DEG C
7h；
（3）According to solid-to-liquid ratio 1:22 by step（2）Obtained attapulgite is added to the oxalic acid solution that molar concentration is 1mol/L
In, the titanium trichloride equivalent to attapulgite quality 4% is added, microwave is heated to 75 DEG C, and microwave power is 700W,
12min is stirred under 2000r/min rotating speed, is filtered, filter residue distilled water washes clean, then the dry 4h at 105 DEG C, then
2.5h is calcined at 590 DEG C, room temperature is cooled to, it is finely ground, 180 mesh sieves are crossed, required attapulgite is produced.
Step（2）Described in ultrasonic power be 250W.
Step（3）Described in high-speed stirred rotating speed be 3000r/min.
Embodiment 3
The preparation method of a kind of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials, comprises the following steps：
（1）According to mass ratio 2:0.8:0.4 weighs sodium tungstate, calcium chloride and zinc chloride；Then the sodium tungstate stirring that adds water is made
Molar concentration is 0.3mol/L wolframic acid sodium water solution, and calcium chloride is added water the chlorination stirred and be made that molar concentration is 0.3mol/L
The calcium aqueous solution；Zinc chloride is added water the solder(ing)acid for stirring and being made that molar concentration is 0.1mol/L；
（2）Take purification of 5 times equivalent to sodium tungstate quality to brighten attapulgite plus absolute ethyl alcohol ultrasonic agitation after processing to be made
Mass concentration is 55% slurries, stand-by；
（3）Wolframic acid sodium water solution obtained above, calcium chloride water and solder(ing)acid are well mixed, then rapidly will
Mixed solution is added to step（2）In obtained slurries, carry out high-speed stirred and heating water bath is to seething with excitement, constant temperature 1h drops naturally
After warming to room temperature, then filtering, solid product distilled water washes clean is dried in vacuo 4h at 80 DEG C, recessed needed for producing
Convex rod soil load artificial schellite and Zinc Tungstate co-precipitated materials.
Step（1）Described in the purification of attapulgite brighten processing and comprise the following steps：
（1）Attapulgite is crushed, is crossed after 120 mesh sieves, is calcined 1h at 740 DEG C, is cooled to room temperature；Then according to solid-to-liquid ratio 1:
15 are added to the attapulgite after roasting in the hydrochloric acid solution that molar concentration is 1mol/L, then carry out at high-pressure pulse electric
Reason, electric-field intensity is 30kV/cm, and impulse electric field frequency is 300Hz, and processing time is 8s, and heating water bath is to 75 after being disposed
DEG C, 30min is stirred under 1500r/min rotating speeds, is filtered, filter residue is washed with distilled water to neutrality, is dried, is crushed, finely ground, mistake
150 mesh sieves；
（2）According to solid-to-liquid ratio 1:30 by step（1）Obtained attapulgite is added to the water, under 3000r/min rotating speed with
And stirring pulping under 80 DEG C of bath temperatures, obtain attapulgite suspension, then added into attapulgite suspension equivalent to
The calgon of attapulgite quality 12% and 10% acrylamide-sodium acrylate copolymer, under 1200r/min rotating speed
40min is stirred, then 20min is centrifuged under 6000r/min rotating speed, 2h is stood, supernatant liquor is sucked with siphonage, then add
Water repeats settle, stand above, sucks supernatant liquor operation 4 times, solid product is dried into 6h at 80 DEG C to same location；
（3）According to solid-to-liquid ratio 1:25 by step（2）Obtained attapulgite is added to the oxalic acid solution that molar concentration is 1mol/L
In, the titanium trichloride equivalent to attapulgite quality 5% is added, microwave is heated to 80 DEG C, and microwave power is 800W,
10min is stirred under 2500r/min rotating speed, is filtered, filter residue distilled water washes clean, then the dry 3h at 110 DEG C, then
2h is calcined at 620 DEG C, room temperature is cooled to, it is finely ground, 200 mesh sieves are crossed, required attapulgite is produced.
Step（2）Described in ultrasonic power be 300W.
Step（3）Described in high-speed stirred rotating speed be 3500r/min.
Claims (4)
1. the preparation method of a kind of attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials, it is characterised in that including following
Step：
(1) according to mass ratio 1-2:0.6-0.8:0.2-0.4 weighs sodium tungstate, calcium chloride and zinc chloride；Then sodium tungstate is added
The wolframic acid sodium water solution that molar concentration is 0.3mol/L is made in water stirring, molar concentration is made is the calcium chloride stirring that adds water
0.3mol/L calcium chloride water；Zinc chloride is added water the solder(ing)acid for stirring and being made that molar concentration is 0.1mol/L；
(2) purification of 3-5 times equivalent to sodium tungstate quality is taken to brighten attapulgite plus absolute ethyl alcohol ultrasonic agitation system after processing
It is stand-by into the slurries that mass concentration is 45-55%；
（3）Wolframic acid sodium water solution obtained above, calcium chloride water and solder(ing)acid are well mixed, then rapidly will
Mixed solution is added to step（2）In obtained slurries, carry out high-speed stirred and heating water bath extremely seethes with excitement, constant temperature 0.5-1h, from
So it is cooled to after room temperature, filters, then solid product distilled water washes clean is dried in vacuo 4-6h at 70-80 DEG C, produces
Required attapulgite loaded artificial schellite and Zinc Tungstate co-precipitated materials.
2. the preparation method of a kind of attapulgite loaded artificial schellite according to claim 1 and Zinc Tungstate co-precipitated materials,
Characterized in that, step（1）Described in the purification of attapulgite brighten processing and comprise the following steps：
（1）Attapulgite is crushed, is crossed after 80-120 mesh sieves, is calcined 1-2h at 680-740 DEG C, is cooled to room temperature；Then press
According to solid-to-liquid ratio 1:Attapulgite after roasting is added in the hydrochloric acid solution that molar concentration is 1mol/L by 10-15, then carries out height
Impulse electric field processing is pressed, electric-field intensity is 20-30kV/cm, and impulse electric field frequency is 200-300Hz, and processing time is 8-12s,
Heating water bath stirs 30-40min to 65-75 DEG C under 1000-1500r/min rotating speeds after being disposed, and filtering, filter residue steams
Distilled water is washed to neutrality, is dried, and is crushed, finely ground, crosses 100-150 mesh sieves；
（2）According to solid-to-liquid ratio 1:20-30 is by step（1）Obtained attapulgite is added to the water, 2000-3000r/min's
Stirring pulping under rotating speed and under 70-80 DEG C of bath temperature, obtains attapulgite suspension, then into attapulgite suspension
The acrylamide-sodium acrylate copolymer of the calgon and 5-10% equivalent to attapulgite quality 8-12% is added,
40-50min is stirred under 800-1200r/min rotating speed, then 20-30min is centrifuged under 5000-6000r/min rotating speed,
1-2h is stood, supernatant liquor is sucked with siphonage, same location is added water, repeats settle, stand, sucking supernatant liquor above
Operation 3-4 times, 6-8h is dried by solid product at 70-80 DEG C；
（3）According to solid-to-liquid ratio 1:20-25 is by step（2）It is molten that obtained attapulgite is added to the oxalic acid that molar concentration is 1mol/L
In liquid, the titanium trichloride equivalent to attapulgite quality 3-5% is added, microwave is heated to 70-80 DEG C, and microwave power is 600-
800W, stirs 10-15min under 1500-2500r/min rotating speed, filtering, filter residue distilled water washes clean, Ran Hou
3-5h is dried at 100-110 DEG C, then 2-3h is calcined at 560-620 DEG C, room temperature is cooled to, it is finely ground, 150-200 mesh sieves are crossed, i.e.,
Obtain required attapulgite.
3. the preparation method of a kind of attapulgite loaded artificial schellite according to claim 1 and Zinc Tungstate co-precipitated materials,
Characterized in that, step（2）Described in ultrasonic power be 200-300W.
4. the preparation method of a kind of attapulgite loaded artificial schellite according to claim 1 and Zinc Tungstate co-precipitated materials,
Characterized in that, step（3）Described in high-speed stirred rotating speed be 2500-3500r/min.
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|---|---|---|---|---|
| CN101805605A (en) * | 2010-04-12 | 2010-08-18 | 东南大学 | Attapulgite clay quantum dot nano-composite fluorescent material and preparation method thereof |
| CN101818000A (en) * | 2009-03-14 | 2010-09-01 | 兰州理工大学 | Method for removing iron and whitening for iron-containing attapulgite clay |
| CN103724569A (en) * | 2013-12-23 | 2014-04-16 | 杨立新 | Polymer attapulgite plural gel and preparation method thereof |
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| CN107129553A (en) * | 2017-04-25 | 2017-09-05 | 安徽博硕科技有限公司 | A kind of preparation method of polyacrylamide/attapulgite loaded artificial schellite complex thickener |
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2017
- 2017-04-25 CN CN201710274443.3A patent/CN107090289A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818000A (en) * | 2009-03-14 | 2010-09-01 | 兰州理工大学 | Method for removing iron and whitening for iron-containing attapulgite clay |
| CN101805605A (en) * | 2010-04-12 | 2010-08-18 | 东南大学 | Attapulgite clay quantum dot nano-composite fluorescent material and preparation method thereof |
| CN103724569A (en) * | 2013-12-23 | 2014-04-16 | 杨立新 | Polymer attapulgite plural gel and preparation method thereof |
| CN105036355A (en) * | 2015-07-31 | 2015-11-11 | 邵素英 | Biological purification carrier for wastewater treatment |
| CN107129553A (en) * | 2017-04-25 | 2017-09-05 | 安徽博硕科技有限公司 | A kind of preparation method of polyacrylamide/attapulgite loaded artificial schellite complex thickener |
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