CN108641048A - A kind of preparation method of the recessed native complex thickener of salt tolerant - Google Patents
A kind of preparation method of the recessed native complex thickener of salt tolerant Download PDFInfo
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- CN108641048A CN108641048A CN201810446471.3A CN201810446471A CN108641048A CN 108641048 A CN108641048 A CN 108641048A CN 201810446471 A CN201810446471 A CN 201810446471A CN 108641048 A CN108641048 A CN 108641048A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
- D06P1/5257—(Meth)acrylic acid
Abstract
The present invention relates to a kind of preparation methods of the recessed native complex thickener of salt tolerant, this method is with the N with hydrophobicity long-chain, N diallyls oleamide, vinyl silicane coupling agent are attapulgite modified to be copolymerized as crosslinking agent and acrylic monomer, simultaneously, in the course of the polymerization process, 2 hydroxyl of a small amount of hydrophilic monomer, 3 allyloxy propanesulfonate is added, gained thickener thickening properties, electrolyte resistance are excellent.
Description
Technical field
The invention belongs to textile printing fields, and in particular to a kind of preparation method of the recessed native complex thickener of salt tolerant.
Background technology
Printing in textiles is the effect by thickener, and dyestuff and chemicals are configured to have certain viscosity print paste
Come what is realized, printing thickening agent is the important component of print paste, and performance quality directly affects the print of printing in textiles
Effect processed.
Anionic agent for polyacrylic acid thickening is one of the principal item of printing in textiles thickener, macromolecular main chain
Upper to contain a large amount of carboxyl, by the charge repulsion that these carboxyls generate under ionized state, strand is fully extended, fluid force
It learns volume to increase, system viscosity increases.During printing in textiles, some electrolyte for using can weaken polyacrylic acid and divide greatly
Repulsion between subchain leads to the reduction of system viscosity.
Attapulgite is a kind of porous type chain layered hydrous richness magnesium alumino metasilicate salt clay mineral, when encountering water or other poles
Property solution when, can be swollen rapidly, formed have certain rheological properties can stable suspension, and have certain electrolyte-resistant
Energy.
In the building-up process of thickener, adds suitable crosslinking agent and assign its slight cross-linked structure, even if thickener
Water swelling, polymer chain is intersegmental will not to generate Relative sliding, ensure the stability of thickening capabilities.Common crosslinking agent is with neighbour
Dially phthalate, N, based on the difunctionals short chain compound such as N '-di-2-ethylhexylphosphine oxide propionamides.Some researches show that poly-
It closes and introduces hydrophobicity long-chain on object macromolecular chain, the heat resistance and salt tolerance of hydrophobic grouping can be formed by the small space of Influence of Electrolyte
Grid structure improves the electrolyte resistance of thickener.However, the crosslinking agent with hydrophobicity long-chain is selected to be used for polyacrylic acid
The synthesis of class thickener is rarely reported so far.
Invention content
To solve the deficiencies in the prior art, the present invention is attapulgite modified as crosslinking agent using vinyl silicane coupling agent,
Then during inverse emulsion polymerization prepares Polyacrylate thickeners, N, N- diallyls oleamide are added (structure is as follows)
As hydrophobic monomer and crosslinking agent, long chain hydrophobic group can associate to form space net structure, to improve thickener
Salt tolerance；Meanwhile in the course of the polymerization process, a small amount of hydrophilic monomer is added, the hydrophily of polymer is improved, improves its thickening properties
And electrolyte resistance.
A kind of preparation method of the recessed native complex thickener of salt tolerant provided by the invention, includes the following steps：
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 30-60min at 70-80 DEG C, after being washed to neutrality
It centrifuges, dry, ground 400 mesh sieve is spare；
(2) take 10g through step (1) treated attapulgite, the silane that 25-50mL mass concentrations 5%-10% is added is even
Join agent aqueous solution, with salt acid for adjusting pH to 3-4, then stirring at normal temperature 24-48h is washed with deionized 3-5 times, centrifuges,
Dry, ground 400 mesh sieve obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer are uniformly mixed, wherein acrylamide quality accounts for acrylic monomers
The 20%-40% of quality；PH value 6-7 is adjusted with ammonium hydroxide, is configured to aqueous phase solution；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, be added emulsifier span80, crosslinking agent,
Aviation kerosine, silane coupler modified recessed soil are made into oil phase, and aqueous phase solution is slowly added into oil phase under stirring condition,
After 1000-1500 revs/min of high speed emulsification 60-90min；Then under 300-450 revs/min of stirring condition, it is water-soluble that initiator is added dropwise
Liquid, 65-70 DEG C is caused polymerization, and after reacting 1-2h, cooling discharging, then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Silane coupling agent described in above-mentioned steps (2) be vinyltriethoxysilane, vinyltrimethoxysilane,
Vinyl three ('beta '-methoxy ethyoxyl) silane.
Hydrophilic monomer described in above-mentioned steps (3) is 2- hydroxyl -3- allyloxy propanesulfonates, and hydrophilic monomer accounts for
The 5%-10% of acrylic monomers quality.
Crosslinking agent described in above-mentioned steps (4) is N, and N- diallyl oleamides, dosage of crosslinking agent accounts for acrylic monomers matter
The 1.0%-2.0% of amount.
Silane coupler modified recessed soil described in above-mentioned steps (4) accounts for the 0.4%-0.8% of acrylic monomers quality；
The dosage of span80 accounts for the 4-6% of acrylic monomers quality；Aviation kerosine accounts for the 20%-30% of acrylic monomers quality.
Initiator described in above-mentioned steps (4) is ammonium persulfate, and initiator quality accounts for acrylic monomers quality
0.5%-1.0%.The beneficial effects of the invention are as follows：
(1) N with hydrophobicity long-chain, N- diallyls oleamide is selected to improve thickener stability as crosslinking agent
While, improve the electrolyte resistance of thickener.
(2) hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are introduced on polymer macromolecule chain, improve and increases
Thick dose of hydrophily further increases its electrolyte resistance.
Specific implementation mode
With reference to specific embodiment, description is of the invention in further detail.It should be understood that these embodiments are intended merely to
It illustrates the present invention, rather than limits the scope of the invention in any way.
Embodiment 1
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 30min at 80 DEG C, is washed to centrifugation point after neutrality
From dry, ground 400 mesh sieve is spare；
(2) it takes 10g through step (1) treated attapulgite, three ethoxy of vinyl of 50mL mass concentrations 10% is added
Base silane aqueous solution, with salt acid for adjusting pH to 4, then stirring at normal temperature 48h is washed with deionized 5 times, centrifuges, and does
Dry, ground 400 mesh sieve obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are uniformly mixed,
In, acrylamide quality accounts for the 40% of acrylic monomers quality；Hydrophilic monomer accounts for the 10% of acrylic monomers quality；Use ammonia
Water adjusts pH value 7, is configured to aqueous phase solution；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- diallyl oleamide, aviation kerosine, silane coupler modified recessed soil are made into oil phase, wherein silane coupler modified recessed
Soil accounts for the 0.8% of acrylic monomers quality；The dosage of span80 accounts for the 6% of acrylic monomers quality；Aviation kerosine accounts for acrylic acid
The 30% of monomer mass；Dosage of crosslinking agent accounts for the 2.0% of acrylic monomers quality；Aqueous phase solution is slowly added under stirring condition
Enter into oil phase, after 1500 revs/min of high speed emulsification 60min；Then under 450 revs/min of stirring conditions, initiator over cure is added dropwise
Sour aqueous ammonium, initiator quality account for the 1.0% of acrylic monomers quality；70 DEG C are caused polymerization, after reacting 1h, cooling discharging,
Then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Comparative example 1-1 (crosslinking agent is N,N methylene bis acrylamide)
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 30min at 80 DEG C, is washed to centrifugation point after neutrality
From dry, ground 400 mesh sieve is spare；
(2) it takes 10g through step (1) treated attapulgite, three ethoxy of vinyl of 50mL mass concentrations 10% is added
Base silane aqueous solution, with salt acid for adjusting pH to 4, then stirring at normal temperature 48h is washed with deionized 5 times, centrifuges, and does
Dry, ground 400 mesh sieve obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are uniformly mixed,
In, acrylamide quality accounts for the 40% of acrylic monomers quality；Hydrophilic monomer accounts for the 10% of acrylic monomers quality；Use ammonia
Water adjusts pH value 7, is configured to aqueous phase solution；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- methylene-bisacrylamide, aviation kerosine, silane coupler modified recessed soil are made into oil phase, wherein silane coupler modified
Recessed soil accounts for the 0.8% of acrylic monomers quality；The dosage of span80 accounts for the 6% of acrylic monomers quality；Aviation kerosine accounts for propylene
The 30% of acid monomers quality；Dosage of crosslinking agent accounts for the 2.0% of acrylic monomers quality；Aqueous phase solution is slowly added under stirring condition
Enter into oil phase, after 1500 revs/min of high speed emulsification 60min；Then under 450 revs/min of stirring conditions, initiator over cure is added dropwise
Sour aqueous ammonium, initiator quality account for the 1.0% of acrylic monomers quality；70 DEG C are caused polymerization, after reacting 1h, cooling discharging,
Then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Comparative example 1-2 (does not add silane coupler modified recessed soil)
(1) acrylic acid, acrylamide, hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are uniformly mixed,
In, acrylamide quality accounts for the 40% of acrylic monomers quality；Hydrophilic monomer accounts for the 10% of acrylic monomers quality；Use ammonia
Water adjusts pH value 7, is configured to aqueous phase solution；
(2) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- diallyl oleamide, aviation kerosine are made into oil phase, wherein the dosage of span80 accounts for the 6% of acrylic monomers quality；Boat
Empty kerosene accounts for the 30% of acrylic monomers quality；Dosage of crosslinking agent accounts for the 2.0% of acrylic monomers quality；By water under stirring condition
Phase solution is slowly added into oil phase, after 1500 revs/min of high speed emulsification 60min；Then under 450 revs/min of stirring conditions, drop
Initiator ammonium persulfate aqueous solution, initiator quality is added to account for the 1.0% of acrylic monomers quality；70 DEG C are caused polymerization, react 1h
Afterwards, cooling discharging, then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Comparative example 1-3 (does not add hydrophilic monomer)
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 30min at 80 DEG C, is washed to centrifugation point after neutrality
From dry, ground 400 mesh sieve is spare；
(2) it takes 10g through step (1) treated attapulgite, three ethoxy of vinyl of 50mL mass concentrations 10% is added
Base silane aqueous solution, with salt acid for adjusting pH to 4, then stirring at normal temperature 48h is washed with deionized 5 times, centrifuges, and does
Dry, ground 400 mesh sieve obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide are uniformly mixed, wherein acrylamide quality accounts for the 40% of acrylic monomers quality；
PH value 7 is adjusted with ammonium hydroxide, is configured to aqueous phase solution；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- diallyl oleamide, aviation kerosine, silane coupler modified recessed soil are made into oil phase, wherein silane coupler modified recessed
Soil accounts for the 0.8% of acrylic monomers quality；The dosage of span80 accounts for the 6% of acrylic monomers quality；Aviation kerosine accounts for acrylic acid
The 30% of monomer mass；Dosage of crosslinking agent accounts for the 2.0% of acrylic monomers quality；Aqueous phase solution is slowly added under stirring condition
Enter into oil phase, after 1500 revs/min of high speed emulsification 60min；Then under 450 revs/min of stirring conditions, initiator over cure is added dropwise
Sour aqueous ammonium, initiator quality account for the 1.0% of acrylic monomers quality；70 DEG C are caused polymerization, after reacting 1h, cooling discharging,
Then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Embodiment 2
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 60min at 70 DEG C, is washed to centrifugation point after neutrality
From dry, ground 400 mesh sieve is spare；
(2) it takes 10g through step (1) treated attapulgite, the vinyl trimethoxy of 25mL mass concentrations 5% is added
Silane-water solution, with salt acid for adjusting pH to 3, stirring at normal temperature for 24 hours, is then washed with deionized 3 times, centrifuges, dry,
Ground 400 mesh sieve, obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are uniformly mixed,
In, acrylamide quality accounts for the 20% of acrylic monomers quality；Hydrophilic monomer accounts for the 5% of acrylic monomers quality；Use ammonium hydroxide
PH value 6 is adjusted, aqueous phase solution is configured to；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- diallyl oleamide, aviation kerosine, silane coupler modified recessed soil are made into oil phase, wherein silane coupler modified recessed
Soil accounts for the 0.4% of acrylic monomers quality；The dosage of span80 accounts for the 4% of acrylic monomers quality；Aviation kerosine accounts for acrylic acid
The 20% of monomer mass；Dosage of crosslinking agent accounts for the 1.0%% of acrylic monomers quality；It is under stirring condition that aqueous phase solution is slow
It is added into oil phase, after 1000 revs/min of high speed emulsification 90min；Then under 300 revs/min of stirring conditions, initiator mistake is added dropwise
Ammonium sulfate solution, initiator quality account for the 0.5% of acrylic monomers quality；65 DEG C are caused polymerization, and after reacting 2h, cooling goes out
Material, then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Embodiment 3
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 45min at 75 DEG C, is washed to centrifugation point after neutrality
From dry, ground 400 mesh sieve is spare；
(2) it takes 10g through step (1) treated attapulgite, (the β-first of vinyl three of 30mL mass concentrations 8% is added
Oxygroup ethyoxyl) silane-water solution, with salt acid for adjusting pH to 3.5, then stirring at normal temperature 36h is washed with deionized 4 times, from
The heart detaches, dry, and ground 400 mesh sieve obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are uniformly mixed,
In, acrylamide quality accounts for the 30% of acrylic monomers quality；Hydrophilic monomer accounts for the 8% of acrylic monomers quality；Use ammonium hydroxide
PH value 6.5 is adjusted, aqueous phase solution is configured to；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- diallyl oleamide, aviation kerosine, silane coupler modified recessed soil are made into oil phase, wherein silane coupler modified recessed
Soil accounts for the 0.6% of acrylic monomers quality；The dosage of span80 accounts for the 5% of acrylic monomers quality；Aviation kerosine accounts for acrylic acid
The 25% of monomer mass；Dosage of crosslinking agent accounts for the 1.5% of acrylic monomers quality；Aqueous phase solution is slowly added under stirring condition
Enter into oil phase, after 1200 revs/min of high speed emulsification 70min；Then under 350 revs/min of stirring conditions, initiator over cure is added dropwise
Sour aqueous ammonium, initiator quality account for the 0.8% of acrylic monomers quality；68 DEG C are caused polymerization, and after reacting 1.5h, cooling goes out
Material, then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Embodiment 4
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 40min at 78 DEG C, is washed to centrifugation point after neutrality
From dry, ground 400 mesh sieve is spare；
(2) it takes 10g through step (1) treated attapulgite, the vinyl triethoxyl of 40mL mass concentrations 6% is added
Silane-water solution, with salt acid for adjusting pH to 3, then stirring at normal temperature 28h is washed with deionized 5 times, centrifuges, dry,
Ground 400 mesh sieve, obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer 2- hydroxyl -3- allyloxy propanesulfonates are uniformly mixed,
In, acrylamide quality accounts for the 25% of acrylic monomers quality；Hydrophilic monomer accounts for the 7% of acrylic monomers quality；Use ammonium hydroxide
PH value 6 is adjusted, aqueous phase solution is configured to；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent is added
N, N- diallyl oleamide, aviation kerosine, silane coupler modified recessed soil are made into oil phase, wherein silane coupler modified recessed
Soil accounts for the 0.5% of acrylic monomers quality；The dosage of span80 accounts for the 4.5% of acrylic monomers quality；Aviation kerosine accounts for propylene
The 22% of acid monomers quality；Dosage of crosslinking agent accounts for the 1.8% of acrylic monomers quality；Aqueous phase solution is slowly added under stirring condition
Enter into oil phase, after 1300 revs/min of high speed emulsification 80min；Then under 400 revs/min of stirring conditions, initiator over cure is added dropwise
Sour aqueous ammonium, initiator quality account for the 0.7% of acrylic monomers quality；67 DEG C are caused polymerization, and after reacting 1.2h, cooling goes out
Material, then addition phase inversion agent TX-10, which is stirred evenly, gets product.
Embodiment 5
It is accurate to weigh 2g thickeners, 98g distilled water is added, stirs and be added dropwise 3-4 drop ammonium hydroxide, is sufficiently stirred and is made into quality point
The white slurry of number 2%.It is surveyed at room temperature at constant rotational speed 10 revs/min (No. 6 rotors) with II+Pro viscosimeters of Brookfield DV-
The viscosity of ding white ware slurry.
Electrolyte resistance is indicated with viscosity retention ratio, is measured above-mentioned thickener and is starched addition 0.05%NaCl (solid) in vain in vain
Slurry viscosity, viscosity retention ratio=ηAfter adding NaCl/ηBefore adding NaCl, viscosity retention ratio is higher, and electrolyte-resistant is better.
1 sample thickening properties of table
It can be seen that from 1 data of table, sample obtained by embodiment 1-4 has excellent thickening properties and electrolyte resistance；With
Embodiment 1 is compared, and since crosslinking agent used is free of hydrophobicity long-chain, products obtained therefrom electrolyte resistance obviously drops comparative example 1-1
It is low；It is not added with hydrophilic monomer when comparative example 1-3 polymerizations, the thickening properties of products obtained therefrom, electrolyte resistance is not as good as implementation
Example 1.
Claims (6)
1. a kind of preparation method of the recessed native complex thickener of salt tolerant, it is characterised in that：Include the following steps：
(1) attapulgite is placed in 1mol/L hydrochloric acid solutions, ultrasound 30-60min, centrifuges after being washed to neutrality at 70-80 DEG C
Separation, dry, ground 400 mesh sieve are spare；
(2) it takes 10g through step (1) treated attapulgite, the silane coupling agent of 25-50mL mass concentrations 5%-10% is added
Aqueous solution, with salt acid for adjusting pH to 3-4, then stirring at normal temperature 24-48h is washed with deionized 3-5 times, centrifuges, and does
Dry, ground 400 mesh sieve obtains silane coupler modified recessed soil；
(3) acrylic acid, acrylamide, hydrophilic monomer are uniformly mixed, wherein acrylamide quality accounts for acrylic monomers quality
20%-40%；PH value 6-7 is adjusted with ammonium hydroxide, is configured to aqueous phase solution；
(4) equipped with blender, thermometer, dropping funel four-hole boiling flask in, emulsifier span80, crosslinking agent, aviation is added
Kerosene, silane coupler modified recessed soil are made into oil phase, aqueous phase solution are slowly added into oil phase under stirring condition, 1000-
After 1500 revs/min of high speed emulsification 60-90min；Then under 300-450 revs/min of stirring condition, initiator solution, 65- is added dropwise
70 DEG C are caused polymerization, and after reacting 1-2h, cooling discharging, then addition phase inversion agent TX-10, which is stirred evenly, gets product.
2. a kind of preparation method of the recessed native complex thickener of salt tolerant described in claim 1, it is characterised in that：Institute in step (2)
The silane coupling agent stated is vinyltriethoxysilane, vinyltrimethoxysilane, (the 'beta '-methoxy ethoxy of vinyl three
Base) silane.
3. a kind of preparation method of the recessed native complex thickener of salt tolerant described in claim 1, it is characterised in that：Institute in step (3)
The hydrophilic monomer stated is 2- hydroxyl -3- allyloxy propanesulfonates, and hydrophilic monomer accounts for the 5%- of acrylic monomers quality
10%.
4. a kind of preparation method of the recessed native complex thickener of salt tolerant described in claim 1, it is characterised in that：Institute in step (4)
Crosslinking agent is stated as N, N- diallyl oleamides, dosage of crosslinking agent accounts for the 1.0%-2.0% of acrylic monomers quality.
5. a kind of preparation method of the recessed native complex thickener of salt tolerant described in claim 1, it is characterised in that：Institute in step (4)
State the 0.4%-0.8% that silane coupler modified recessed soil accounts for acrylic monomers quality；The dosage of span80 accounts for acrylic monomers matter
The 4-6% of amount；Aviation kerosine accounts for the 20%-30% of acrylic monomers quality.
6. a kind of preparation method of the recessed native complex thickener of salt tolerant described in claim 1, it is characterised in that：Institute in step (4)
The initiator stated is ammonium persulfate, and initiator quality accounts for the 0.5%-1.0% of acrylic monomers quality.
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| CN115417945A (en) * | 2022-09-16 | 2022-12-02 | 常州大学 | Method for preparing polyacrylic acid/attapulgite composite thickener with assistance of ultrasound |
| CN115748268A (en) * | 2022-12-06 | 2023-03-07 | 常州大学 | Attapulgite composite cationic thickener and preparation method thereof |
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Cited By (11)
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| CN110663935A (en) * | 2019-11-14 | 2020-01-10 | 陈淑英 | Preparation method of salt-resistant stable thickening agent material |
| CN110885396A (en) * | 2019-12-03 | 2020-03-17 | 江苏麦阁吸附剂有限公司 | Salt-tolerant attapulgite/polyacrylic acid composite thickening agent and preparation method thereof |
| CN110885396B (en) * | 2019-12-03 | 2020-08-04 | 江苏麦阁吸附剂有限公司 | Salt-tolerant attapulgite/polyacrylic acid composite thickening agent and preparation method thereof |
| CN111303344A (en) * | 2020-03-03 | 2020-06-19 | 常州大学 | Preparation method of modified sodium alginate/polyacrylic acid composite thickening agent |
| CN111303344B (en) * | 2020-03-03 | 2022-08-30 | 常州大学 | Preparation method of modified sodium alginate/polyacrylic acid composite thickening agent |
| CN113372750A (en) * | 2021-05-11 | 2021-09-10 | 安徽万博材料科技有限公司 | Water-based multicolor paint based on lithium-based attapulgite and preparation method thereof |
| CN115417945A (en) * | 2022-09-16 | 2022-12-02 | 常州大学 | Method for preparing polyacrylic acid/attapulgite composite thickener with assistance of ultrasound |
| CN115417945B (en) * | 2022-09-16 | 2023-07-25 | 常州大学 | Method for preparing polyacrylic acid/attapulgite clay composite thickener with assistance of ultrasound |
| WO2023241730A1 (en) * | 2022-09-16 | 2023-12-21 | 常州大学 | Ultrasonic-assisted method for preparing polyacrylic acid/attapulgite composite thickening agent |
| CN115748268A (en) * | 2022-12-06 | 2023-03-07 | 常州大学 | Attapulgite composite cationic thickener and preparation method thereof |
| CN115748268B (en) * | 2022-12-06 | 2024-03-15 | 常州大学 | Attapulgite composite cationic thickener and preparation method thereof |
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