CN109721681A - Instant polymeric anion type polyacrylamide - Google Patents
Instant polymeric anion type polyacrylamide Download PDFInfo
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- CN109721681A CN109721681A CN201711060460.3A CN201711060460A CN109721681A CN 109721681 A CN109721681 A CN 109721681A CN 201711060460 A CN201711060460 A CN 201711060460A CN 109721681 A CN109721681 A CN 109721681A
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Abstract
Instant polymeric anion type polyacrylamide, by acrylamide 90-120kg, acrylic acid 0.5-3kg, deionized water 40-80kg, urea 0.5-3kg, thiocarbamide 1-5kg, it is added in polymerization tank, pH value 5-7 or so is adjusted with sodium hydroxide solution, it is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001-0.005kg is added, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.009kg, ammonium persulfate 0.001-0.009kg, sodium hydrogensulfite 0.001-0.008kg, by acrylamide monomer and anionic monomer acrylic acid or methacrylic acid, deionized water is added and is diluted to required concentration, it is passed through high-purity nitrogen, auxiliary agent is added, complexing agent, reducing agent, cause Agent carries out polymerization reaction with ultraviolet light, generates translucent blob of viscose, and product has the molecular weight of superelevation, and dissolubility is good, and solution rate is fast.
Description
Technical field
The present invention relates to a kind of polyacrylamides, and in particular to instant polymeric anion type polyacrylamide.
Background technique
The physico-chemical process of sewage is handled, and flocculant is first usually added in sewage, makes the tiny suspension in sewage
Object cohesion.Then the effects of adding flocculation aid or flocculant, being put up a bridge using the long-chain of polyacrylamide high-molecular compound, is made
The suspended matter of cohesion further increases in alumen ustum or precipitates in sedimentation basin, rolls up wet body refuse or wet mud；Or
It is acted in flotation tank by minute bubbles, upper floating tank top is collected into wet mud, is separated from the water away, so that water be made to become clear, and is reached
Environmental requirement can be discharged or be recycled.The solubility property of many polyacrylamides is poor, can not be dissolved well,
Raw material appearance is caused largely to dissolve the waste residue not fallen.
Summary of the invention
The technical solution of the present invention is as follows: instant polymeric anion type polyacrylamide,
It is prepared by the early period of raw material
Acrylamide 90-120kg, acrylic acid 0.5-3kg, deionized water 40-80kg, urea 0.5-3kg, thiocarbamide 1-5kg are added
Enter in polymerization tank；
The raw material prepared is polymerize
PH value 5-7 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001- is added
0.005kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.009kg, ammonium persulfate 0.001-0.009kg,
Sodium hydrogensulfite 0.001-0.008kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 30-100 minutes, will
Blob of viscose is added 1-10kg sodium carbonate or 1-9kg sodium hydroxide is added, and 1-5kg stearic acid leads to steam, and temperature is controlled in 80-110
DEG C, it hydrolyzes 1-5 hours, is granulated, drying temperature control is at 90-110 DEG C or so；
Raw material after polymerization is crushed
It finally crushes and screens to obtain powder product, molecular weight product is in ten thousand or more 1000-25000.
The early period of the raw material prepares the content of each component:
By acrylamide 95-120kg, acrylic acid 0.5-2.5kg, deionized water 40-70kg, urea 0.5-2.5kg, thiocarbamide 1-
4kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001-0.004kg is added,
2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.008kg, ammonium persulfate 0.001-0.007kg, bisulfite
Sodium 0.001-0.007kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-90 minutes, 1- is added in blob of viscose
1-8kg sodium hydroxide is added in 8kg sodium carbonate, 1-4kg stearic acid, leads to steam, and temperature is controlled at 80-100 DEG C, and hydrolysis 1-4 is small
When, it is granulated, drying temperature control is at 90-100 DEG C or so；
The early period of the raw material prepares the content of each component:
By acrylamide 100-108kg, acrylic acid 1-2.4kg, deionized water 50-68kg, urea 0.6-2kg, thiocarbamide 1.5-
3.3kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5.5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.002- is added
0.0035kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.002-0.007kg, ammonium persulfate 0.003-0.006kg,
Sodium hydrogensulfite 0.001-0.005kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-85 minutes, by glue
Block is added 1-7kg sodium carbonate or 1-6.5kg sodium hydroxide is added, 1-3kg stearic acid, leads to steam, and temperature is controlled at 80-98 DEG C,
Hydrolysis 1.5-3.8 hours is granulated, drying temperature control is at 95-100 DEG C or so；
The invention has the advantages that deionized water is added in acrylamide monomer and anionic monomer acrylic acid or methacrylic acid
It is diluted to required concentration, is passed through high-purity nitrogen, auxiliary agent, complexing agent, reducing agent, initiator is added, is carried out with ultraviolet light
Polymerization reaction generates translucent blob of viscose, adds sodium hydroxide or sodium carbonate hydrolysis, is finally granulated, dried, crushed, sieved
Get powder product, product has the molecular weight of superelevation, and dissolubility is good, and solution rate is fast.
Specific embodiment
Embodiment 1
Instant polymeric anion type polyacrylamide,
It is prepared by the early period of raw material
Acrylamide 90-120kg, acrylic acid 0.5-3kg, deionized water 40-80kg, urea 0.5-3kg, thiocarbamide 1-5kg are added
Enter in polymerization tank；
The raw material prepared is polymerize
PH value 5-7 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001- is added
0.005kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.009kg, ammonium persulfate 0.001-0.009kg,
Sodium hydrogensulfite 0.001-0.008kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 30-100 minutes, will
Blob of viscose is added 1-10kg sodium carbonate or 1-9kg sodium hydroxide is added, and 1-5kg stearic acid leads to steam, and temperature is controlled in 80-110
DEG C, it hydrolyzes 1-5 hours, is granulated, drying temperature control is at 90-110 DEG C or so；
Raw material after polymerization is crushed
It finally crushes and screens to obtain powder product, molecular weight product is in ten thousand or more 1000-25000.
The early period of the raw material prepares the content of each component:
By acrylamide 95-120kg, acrylic acid 0.5-2.5kg, deionized water 40-70kg, urea 0.5-2.5kg, thiocarbamide 1-
4kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001-0.004kg is added,
2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.008kg, ammonium persulfate 0.001-0.007kg, bisulfite
Sodium 0.001-0.007kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-90 minutes, 1- is added in blob of viscose
1-8kg sodium hydroxide is added in 8kg sodium carbonate, 1-4kg stearic acid, leads to steam, and temperature is controlled at 80-100 DEG C, and hydrolysis 1-4 is small
When, it is granulated, drying temperature control is at 90-100 DEG C or so；
The early period of the raw material prepares the content of each component:
By acrylamide 100-108kg, acrylic acid 1-2.4kg, deionized water 50-68kg, urea 0.6-2kg, thiocarbamide 1.5-
3.3kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5.5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.002- is added
0.0035kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.002-0.007kg, ammonium persulfate 0.003-0.006kg,
Sodium hydrogensulfite 0.001-0.005kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-85 minutes, by glue
Block is added 1-7kg sodium carbonate or 1-6.5kg sodium hydroxide is added, 1-3kg stearic acid, leads to steam, and temperature is controlled at 80-98 DEG C,
Hydrolysis 1.5-3.8 hours is granulated, drying temperature control is at 95-100 DEG C or so.
Embodiment 2
Instant polymeric anion type polyacrylamide,
It is prepared by the early period of raw material
Acrylamide 90-120kg, acrylic acid 0.5-3kg, deionized water 40-80kg, urea 0.5-3kg, thiocarbamide 1-5kg are added
Enter in polymerization tank；
The raw material prepared is polymerize
PH value 5-7 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001- is added
0.005kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.009kg, ammonium persulfate 0.001-0.009kg,
Sodium hydrogensulfite 0.001-0.008kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 30-100 minutes, will
Blob of viscose is added 1-10kg sodium carbonate or 1-9kg sodium hydroxide is added, and 1-5kg stearic acid leads to steam, and temperature is controlled in 80-110
DEG C, it hydrolyzes 1-5 hours, is granulated, drying temperature control is at 90-110 DEG C or so；
Raw material after polymerization is crushed
It finally crushes and screens to obtain powder product, molecular weight product is in ten thousand or more 1000-25000.
The early period of the raw material prepares the content of each component:
By acrylamide 95-110kg, acrylic acid 0.5-2kg, deionized water 40-65kg, urea 0.5-2.3kg, thiocarbamide 1-3kg,
It is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 6.5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001- is added
0.003kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.007kg, ammonium persulfate 0.001-0.005kg,
Sodium hydrogensulfite 0.001-0.005kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 50-85 minutes, by glue
Block is added 1-7.5kg sodium carbonate or 1-6kg sodium hydroxide is added, 1-3kg stearic acid, leads to steam, and temperature is controlled at 80-95 DEG C,
Hydrolysis 2-4 hours is granulated, drying temperature control is at 90-99 DEG C or so；
The early period of the raw material prepares the content of each component:
By acrylamide 100-108kg, acrylic acid 1-2.4kg, deionized water 50-68kg, urea 0.6-2kg, thiocarbamide 1.5-
3.3kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5.5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.002- is added
0.0035kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.002-0.007kg, ammonium persulfate 0.003-0.006kg,
Sodium hydrogensulfite 0.001-0.005kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-85 minutes, by glue
Block is added 1-7kg sodium carbonate or 1-6.5kg sodium hydroxide is added, 1-3kg stearic acid, leads to steam, and temperature is controlled at 80-98 DEG C,
Hydrolysis 1.5-3.8 hours is granulated, drying temperature control is at 95-100 DEG C or so.
Claims (3)
1. instant polymeric anion type polyacrylamide, it is characterised in that:
It is prepared by the early period of raw material
Acrylamide 90-120kg, acrylic acid 0.5-3kg, deionized water 40-80kg, urea 0.5-3kg, thiocarbamide 1-5kg are added
Enter in polymerization tank；
The raw material prepared is polymerize
PH value 5-7 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001- is added
0.005kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.009kg, ammonium persulfate 0.001-0.009kg,
Sodium hydrogensulfite 0.001-0.008kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 30-100 minutes, will
Blob of viscose is added 1-10kg sodium carbonate or 1-9kg sodium hydroxide is added, and 1-5kg stearic acid leads to steam, and temperature is controlled in 80-110
DEG C, it hydrolyzes 1-5 hours, is granulated, drying temperature control is at 90-110 DEG C or so；
Raw material after polymerization is crushed
It finally crushes and screens to obtain powder product, molecular weight product is in ten thousand or more 1000-25000.
2. instant polymeric anion type polyacrylamide according to claim 1, it is characterised in that:
The early period of the raw material prepares the content of each component:
By acrylamide 95-120kg, acrylic acid 0.5-2.5kg, deionized water 40-70kg, urea 0.5-2.5kg, thiocarbamide 1-
4kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.001-0.004kg is added,
2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.001-0.008kg, ammonium persulfate 0.001-0.007kg, bisulfite
Sodium 0.001-0.007kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-90 minutes, 1- is added in blob of viscose
1-8kg sodium hydroxide is added in 8kg sodium carbonate, 1-4kg stearic acid, leads to steam, and temperature is controlled at 80-100 DEG C, and hydrolysis 1-4 is small
When, it is granulated, drying temperature control is at 90-100 DEG C or so.
3. instant polymeric anion type polyacrylamide according to claim 1, it is characterised in that:
The early period of the raw material prepares the content of each component:
By acrylamide 100-108kg, acrylic acid 1-2.4kg, deionized water 50-68kg, urea 0.6-2kg, thiocarbamide 1.5-
3.3kg is added in polymerization tank；
The raw material prepared carries out the content of polymerization each component:
PH value 5.5 or so is adjusted with sodium hydroxide solution, is passed through High Purity Nitrogen, disodium ethylene diamine tetraacetate 0.002- is added
0.0035kg, 2.2 azo two (N.N methyl tert-butyl amidine dihydrochloride) 0.002-0.007kg, ammonium persulfate 0.003-0.006kg,
Sodium hydrogensulfite 0.001-0.005kg opens ultraviolet light and causes polymerization, becomes translucent blob of viscose after 40-85 minutes, by glue
Block is added 1-7kg sodium carbonate or 1-6.5kg sodium hydroxide is added, 1-3kg stearic acid, leads to steam, and temperature is controlled at 80-98 DEG C,
Hydrolysis 1.5-3.8 hours is granulated, drying temperature control is at 95-100 DEG C or so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060460.3A CN109721681A (en) | 2017-10-31 | 2017-10-31 | Instant polymeric anion type polyacrylamide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060460.3A CN109721681A (en) | 2017-10-31 | 2017-10-31 | Instant polymeric anion type polyacrylamide |
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| CN109721681A true CN109721681A (en) | 2019-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461846A (en) * | 2021-06-28 | 2021-10-01 | 扬州科苑化工有限公司 | Preparation method of ultra-high molecular weight polyacrylamide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461846A (en) * | 2021-06-28 | 2021-10-01 | 扬州科苑化工有限公司 | Preparation method of ultra-high molecular weight polyacrylamide |
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Application publication date: 20190507 |