CN105273129A - Preparation method of anionic polyacrylamide with ultrahigh viscosity - Google Patents
Preparation method of anionic polyacrylamide with ultrahigh viscosity Download PDFInfo
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- CN105273129A CN105273129A CN201510745501.7A CN201510745501A CN105273129A CN 105273129 A CN105273129 A CN 105273129A CN 201510745501 A CN201510745501 A CN 201510745501A CN 105273129 A CN105273129 A CN 105273129A
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Abstract
The invention discloses a preparation method of anionic polyacrylamide with ultrahigh viscosity. The anionic polyacrylamide is a water-soluble high-molecular polymer of a rigid structure and is prepared by copolymerizing cationic monomers and acrylamide and adding structure modifiers to control the polymer structure. The product obtained through the preparation method is good in solubility, higher in adaptability to water purification equipment and water quality and better in flocculation effect.
Description
Technical field
The invention belongs to water-soluble polymer auxiliary chemicals technical field, be specifically related to a kind of preparation method of hyperviscosity anionic polyacrylamide.
Background technology
Polyacrylamide (pam) is widely used in every field as tackifier now, but there is higher requirement in some field for the viscosity of pam series products, such as perfume (or spice) processed, oil recovery, pottery and building trade etc., the pam viscosity gone out by traditional explained hereafter reaches bottleneck, is difficult to continue to significantly improve.
Summary of the invention
Hyperviscosity anionic polyacrylamide of the present invention is by cationic monomer and acrylamide copolymerization, and controls polymer architecture by adding structure regulator, thus a kind of high molecular weight water soluble polymer with rigid structure of preparation.The product favorable solubility obtained by the present invention, can the adaptability of water purifying plant and water quality stronger, flocculating effect is better.
Its technical scheme is: the raw material choosing weight part ratio: acrylamide 200-270, α thiazolinyl propanesulfonate 80-160, sodium acrylate 10-22, structure regulator 1-2, deionized water 600-700, initiator 0.02-0.08; Add the acrylamide of above-mentioned weight part ratio, α thiazolinyl propanesulfonate, sodium acrylate in the reactor, add structure regulator in proportion, logical nitrogen deoxygenation 50min, pH value is adjusted between 4-5, add initiator to be polymerized at 2-5 DEG C, reaction terminates rear taking-up jelly, and polymer prills is carried out drying, fragmentation and namely obtains this product.
Described α thiazolinyl propanesulfonate is the polymerization single polymerization monomer of non-ionic monomer, and in acrylamide, sodium acrylate and three kinds of monomers, the mass fraction of α thiazolinyl propanesulfonate is greater than 25%.
Described sodium acrylate is the polymerization single polymerization monomer of non-ionic monomer, and in acrylamide, sodium acrylate and three kinds of monomers, the massfraction of sodium acrylate is less than 8%.
Described structure regulator is the mixture of Tai-Ace S 150, Magnesium Stearate, sodium lauryl sulphate and deionized water.
Described structure regulator obtains by with under type: be dissolved in completely by 2 parts of Tai-Ace S 150 in 100 parts of water, add sodium lauryl sulphate 10 parts, be warming up to 60 DEG C, add 1.6 parts of Magnesium Stearates while stirring, adjusting rotary speed to the medium swirl degree of depth between 2-5cm, be incubated half an hour, be in store for after cooling.
Described initiator is Potassium Persulphate or sodium bisulfite.
The present invention compared with prior art, has the following advantages:
1. high viscosity, the viscosity of 1 ‰ reaches 800cps, far away higher than the 400cps of other similar products;
2. anti-salt property is good, and the sulfonic group on product side chain is insensitive to the ion in mineralized water, does not substantially affect the viscosity of product;
3. high visco-elasticity, the sulfonic group on product side chain can produce crosslinking reaction with the calcium ions and magnesium ions in water and the magnesium ion in structure regulator, gives product good mechanical resistant shear ability and good viscosity restorability.
Embodiment
A preparation method for hyperviscosity anionic polyacrylamide, chooses the raw material of weight part ratio: acrylamide 200-270, α thiazolinyl propanesulfonate 80-160, sodium acrylate 10-22, structure regulator 1-2, deionized water 600-700, initiator 0.02-0.08; Add the acrylamide of above-mentioned weight part ratio, α thiazolinyl propanesulfonate, sodium acrylate in the reactor, add structure regulator in proportion, logical nitrogen deoxygenation 50min, pH value is adjusted between 4-5, add initiator to be polymerized at 2-5 DEG C, reaction terminates rear taking-up jelly, and polymer prills is carried out drying, fragmentation and namely obtains this product.
Described α thiazolinyl propanesulfonate is the polymerization single polymerization monomer of non-ionic monomer, and in acrylamide, sodium acrylate and three kinds of monomers, the mass fraction of α thiazolinyl propanesulfonate is greater than 25%.
Described sodium acrylate is the polymerization single polymerization monomer of non-ionic monomer, and in acrylamide, sodium acrylate and three kinds of monomers, the massfraction of sodium acrylate is less than 8%.
Described structure regulator is the mixture of Tai-Ace S 150, Magnesium Stearate, sodium lauryl sulphate and deionized water.
Described structure regulator obtains by with under type: be dissolved in completely by 2 parts of Tai-Ace S 150 in 100 parts of water, add sodium lauryl sulphate 10 parts, be warming up to 60 DEG C, add 1.6 parts of Magnesium Stearates while stirring, adjusting rotary speed to the medium swirl degree of depth between 2-5cm, be incubated half an hour, be in store for after cooling.
Described initiator is Potassium Persulphate or sodium bisulfite.
Embodiment one
Choose the acrylamide 210 of weight part ratio, α thiazolinyl propanesulfonate 90, sodium acrylate 10, structure regulator 1.5, deionized water 620, Potassium Persulphate 0.012, sodium bisulfite 0.008.
Add deionized water in the reactor, acrylamide, α thiazolinyl propanesulfonate, sodium acrylate, structure regulator, initiator, after mixing, with vinylformic acid, pH value is adjusted between 4-5, logical nitrogen deoxygenation 30min, add initiator to be polymerized at 2 DEG C, reaction terminates rear taking-up jelly, by blob of viscose granulation, micelle is placed in baking oven and carries out drying in 75 DEG C, take out dry micelle after 2h and pulverize and obtain this product, the viscosity of product is 810cps.
Embodiment two
Choose the acrylamide 240 of weight part ratio, α thiazolinyl propanesulfonate 120, sodium acrylate 15, structure regulator 3, deionized water 680, Potassium Persulphate 0.027, sodium bisulfite 0.018.
Add deionized water in the reactor, acrylamide, α thiazolinyl propanesulfonate, sodium acrylate, structure regulator, initiator, after mixing, with vinylformic acid, pH value is adjusted between 4-5, logical nitrogen deoxygenation 30min, add initiator to be polymerized at 2 DEG C, reaction terminates rear taking-up jelly, by blob of viscose granulation, micelle is placed in baking oven and carries out drying in 75 DEG C, take out dry micelle after 2h and pulverize and obtain this product, product viscosity is 860cps.
Embodiment three
Choose the acrylamide 270 of weight part ratio, α thiazolinyl propanesulfonate 160, sodium acrylate 22, structure regulator 6, deionized water 700, Potassium Persulphate 0.042, sodium bisulfite 0.021.
Add deionized water in the reactor, acrylamide, α thiazolinyl propanesulfonate, sodium acrylate, structure regulator, initiator, after mixing, with vinylformic acid, pH value is adjusted between 4-5, logical nitrogen deoxygenation 30min, add initiator to be polymerized at 2 DEG C, reaction terminates rear taking-up jelly, by blob of viscose granulation, micelle is placed in baking oven and carries out drying in 75 DEG C, take out dry micelle after 2h and pulverize and obtain this product, product viscosity is 900cps.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, all belong to protection scope of the present invention.
Claims (6)
1. a preparation method for hyperviscosity anionic polyacrylamide, is characterized in that: the raw material choosing weight part ratio: acrylamide 200-270, α thiazolinyl propanesulfonate 80-160, sodium acrylate 10-22, structure regulator 1-2, deionized water 600-700, initiator 0.02-0.08; Add the acrylamide of above-mentioned weight part ratio, α thiazolinyl propanesulfonate, sodium acrylate in the reactor, add structure regulator in proportion, logical nitrogen deoxygenation 50min, pH value is adjusted between 4-5, add initiator to be polymerized at 2-5 DEG C, reaction terminates rear taking-up jelly, and polymer prills is carried out drying, fragmentation and namely obtains this product.
2. the preparation method of a kind of hyperviscosity anionic polyacrylamide according to claim 1, it is characterized in that: described α thiazolinyl propanesulfonate is the polymerization single polymerization monomer of non-ionic monomer, and in acrylamide, sodium acrylate and three kinds of monomers, the mass fraction of α thiazolinyl propanesulfonate is greater than 25%.
3. the preparation method of a kind of hyperviscosity anionic polyacrylamide according to claim 1, it is characterized in that: described sodium acrylate is the polymerization single polymerization monomer of non-ionic monomer, and in acrylamide, sodium acrylate and three kinds of monomers, the massfraction of sodium acrylate is less than 8%.
4. the preparation method of a kind of hyperviscosity anionic polyacrylamide according to claim 1, is characterized in that: described structure regulator is the mixture of Tai-Ace S 150, Magnesium Stearate, sodium lauryl sulphate and deionized water.
5. the preparation method of a kind of hyperviscosity anionic polyacrylamide according to claim 4, it is characterized in that: described structure regulator obtains by with under type: 2 parts of Tai-Ace S 150 are dissolved in completely in 100 parts of water, add sodium lauryl sulphate 10 parts, be warming up to 60 DEG C, add 1.6 parts of Magnesium Stearates while stirring, adjusting rotary speed to the medium swirl degree of depth, is incubated half an hour, is in store for after cooling between 2-5cm.
6. the preparation method of a kind of hyperviscosity anionic polyacrylamide according to claim 1, is characterized in that: described initiator is Potassium Persulphate or sodium bisulfite.
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| CN201510745501.7A CN105273129A (en) | 2015-11-06 | 2015-11-06 | Preparation method of anionic polyacrylamide with ultrahigh viscosity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294820A (en) * | 2018-03-21 | 2019-10-01 | 上海四奥化工有限公司 | A kind of preparation method of super high molecular weight polyacrylamide |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102060965A (en) * | 2009-11-11 | 2011-05-18 | 中国科学院理化技术研究所 | Preparation method of partially hydrolyzed polyacrylamide with improved temperature resistance and salt resistance |
| CN102964518A (en) * | 2012-11-09 | 2013-03-13 | 内蒙古工业大学 | Preparation method of ultra-high molecular weight cationic polyacrylamide |
| CN103539946A (en) * | 2012-07-12 | 2014-01-29 | 中国石油化工股份有限公司 | Hydrophobic polymer graft modified acrylamide polymer and preparation method thereof |
| CN105218742A (en) * | 2014-07-04 | 2016-01-06 | 山东诺尔生物科技有限公司 | A kind of preparation method of novel super-high viscosity anionic polyacrylamide |
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- 2015-11-06 CN CN201510745501.7A patent/CN105273129A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102060965A (en) * | 2009-11-11 | 2011-05-18 | 中国科学院理化技术研究所 | Preparation method of partially hydrolyzed polyacrylamide with improved temperature resistance and salt resistance |
| CN103539946A (en) * | 2012-07-12 | 2014-01-29 | 中国石油化工股份有限公司 | Hydrophobic polymer graft modified acrylamide polymer and preparation method thereof |
| CN102964518A (en) * | 2012-11-09 | 2013-03-13 | 内蒙古工业大学 | Preparation method of ultra-high molecular weight cationic polyacrylamide |
| CN105218742A (en) * | 2014-07-04 | 2016-01-06 | 山东诺尔生物科技有限公司 | A kind of preparation method of novel super-high viscosity anionic polyacrylamide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294820A (en) * | 2018-03-21 | 2019-10-01 | 上海四奥化工有限公司 | A kind of preparation method of super high molecular weight polyacrylamide |
| CN110294820B (en) * | 2018-03-21 | 2022-06-24 | 上海四奥化工有限公司 | Preparation method of polyacrylamide with ultrahigh molecular weight |
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