CN107118301A - A kind of hyperbranched amphiprotic polyacrylamide and preparation method thereof - Google Patents
A kind of hyperbranched amphiprotic polyacrylamide and preparation method thereof Download PDFInfo
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- CN107118301A CN107118301A CN201710184609.2A CN201710184609A CN107118301A CN 107118301 A CN107118301 A CN 107118301A CN 201710184609 A CN201710184609 A CN 201710184609A CN 107118301 A CN107118301 A CN 107118301A
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
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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
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a single or double bond to nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
- C08F220/585—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS]
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/24—Homopolymers or copolymers of amides or imides
- C08J2333/26—Homopolymers or copolymers of acrylamide or methacrylamide
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of hyperbranched amphiprotic polyacrylamide and preparation method thereof, using ammonium ceric nitrate as initiator, pentaerythrite is branching agent, constitute redox initiation system, then radical polymerization acrylamide, cationic monomer diethyl diallyl ammonium chloride and the methyl propane sulfonic acid of 2 acrylamide of anionic monomer 2 are passed through, branched polyacrylamide is obtained, then by teos hydrolysis into silica and hyperbranched amphiprotic polyacrylamide.
Description
Technical field
The invention belongs to polyacrylamide technology field, it is related to a kind of hyperbranched amphiprotic polyacrylamide；Further relate to above-mentioned
The preparation method of hyperbranched amphiprotic polyacrylamide.
Background technology
Oilfield sewage usually using polyacrylamide as flocculant, because it reacts with oil displacement agent in Produced Liquid,
The molecular structure of its line style is easily crimped, be remarkably decreased its flocculating property.And hyperbranched poly acrylamide has height
Branched structure, with unique three-dimensional structure, many end groups, the high and low fusing point of relative molecular weight, high rheological variation, solubility property it is good,
Reactivity is high, lower-cost advantage, with excellent flocculating effect.
Amphiprotic polyacrylamide had not only had the advantages that anionic property but also with cationic, due to branching agent pentaerythrite end
There is the hydrophilic radical of polyhydroxy at end, with good hydrophily, flocculant is had good dissolubility；Contain sulfonic acid in monomer
Base, can improve the saline-alkaline tolerance of product；Cation group can preferably adsorb negative electrical charge, turn into the focus of research at present.
The content of the invention
It is an object of the invention to provide a kind of hyperbranched amphiprotic polyacrylamide, the polyacrylamide is with pentaerythrite
For the hyperbranched amphiprotic polyacrylamide of core, it has than the higher salinity of general hyperbranched flocculant, more as flocculant
Good water-soluble and wider range of application, while the polyacrylamide has the spy of cation and Flokal B
Property.
The present invention also aims to provide the preparation method of above-mentioned hyperbranched amphiprotic polyacrylamide, preparation method letter
Singly, conveniently, it is easy to operate.
The purpose of the present invention is achieved through the following technical solutions：
This hyperbranched amphiprotic polyacrylamide, using pentaerythrite as core, obtains hyperbranched by " core first " reaction
Amphiprotic polyacrylamide, its chemical structural formula is：
Another technical scheme of the present invention is, the preparation method of above-mentioned hyperbranched amphiprotic polyacrylamide, including following step
Suddenly：
Step 1, it is 8 according to monomer weight ratio:1:1、7:2:1、6:3:1、6:2:2、6:1:3 or 7:1:2 take acrylamide,
Deionized water and pentaerythrite；
Step 2, by the acrylamide of acquirement, deionized water and pentaerythrite in nitrogen environment, at 40-70 DEG C thermostatted water
Bath heating 10-30min, is then added dropwise ammonium ceric nitrate initiator solution, time for adding is 10-30min, and solution is obtained after reaction 1h
a；
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 30-60min；
Step 4, the teos solution for accounting for acrylamide quality 2-10% is added into solution b, 2.5-5.5h is reacted
After obtain clear viscous liquids；
Step 5, clear viscous liquids are washed using acetone, then soaked after 6h, be placed in after being dried under 40-60 DEG C of environment and obtain
To hyperbranched amphiprotic polyacrylamide.
Further, the features of the present invention is also resided in：
Wherein acrylamide, deionized water and pentaerythrite are placed in three-necked flask in step 2, three-necked flask is nothing
Oxygen condition.
A wherein mouth of three-necked flask is inserted with stirring rod, and a mouth is passed through nitrogen, and last mouth is arranged for gas
Go out.
Wherein it is dried in step 5 under 40 DEG C of constant temperature.
Wherein multiple clear viscous liquids are washed in step 5 using acetone.
The beneficial effects of the invention are as follows：The hyperbranched amphiprotic polyacrylamide of the present invention, it has unique three-dimensional structure,
Many end groups, relative molecular weight is high, and fusing point is low, and rheological characteristic is high, and solubility property is good, and reactivity is high, and enterprise has good flocculation
Effect；The hyperbranched amphiprotic polyacrylamide had not only had the advantages that anionic property but also with cationic, its end has polyhydroxy
The hydrophilic radical of base, with good hydrophily, makes it have more preferable dissolubility, and contain sulfonic group, energy in monomer
Enough improve the saline-alkaline tolerance of product, and the absorption negative electrical charge that cation group can be more preferable.
Brief description of the drawings
Fig. 1 is the composition principle figure of hyperbranched amphiprotic polyacrylamide in the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
It is anti-by " core first " using pentaerythrite as core the invention provides a kind of hyperbranched amphiprotic polyacrylamide
Hyperbranched amphiprotic polyacrylamide should be obtained, its chemical structural formula is：
Present invention also offers the preparation method of above-mentioned hyperbranched amphiprotic polyacrylamide, comprise the following steps：
Step 1, it is 8 according to monomer weight ratio:1:1、7:2:1、6:3:1、6:2:2、6:1:3 or 7:1:2 take acrylamide,
Deionized water and pentaerythrite.
Step 2, the three-necked flask by the placement of the acrylamide of acquirement, deionized water and pentaerythrite in a nitrogen environment
Interior, inserted with stirring rod and thermometer in a mouth of three-necked flask, one, two other mouth is passed through nitrogen, another discharge three
Gas in mouthful flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed on 40-70
10-30min is heated in water bath with thermostatic control at DEG C, ammonium ceric nitrate initiator solution is then added dropwise, time for adding is 10-30min, reacts 1h
After obtain solution a.
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 30-60min；
Step 4, the teos solution for accounting for acrylamide quality 2-10% is added into solution b, 2.5-5.5h is reacted
After obtain clear viscous liquids；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 40-60 DEG C of isoperibol and do
The hyperbranched amphiprotic polyacrylamide of white solid is obtained after dry.
The specific embodiment of the present invention is as follows：
Embodiment 1
Preparing the detailed process of hyperbranched amphiprotic polyacrylamide is：
Step 1, it is 7 according to monomer weight ratio:2:1 takes acrylamide, deionized water and pentaerythrite.
Step 2, the acrylamide of acquirement, deionized water and pentaerythrite is placed in the three-necked flask under nitrogen environment,
Inserted with stirring rod and thermometer in one mouth of three-necked flask, one, two other mouth is passed through nitrogen, another three mouthfuls of discharge
Gas in flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed at 55 DEG C permanent
30min is heated in tepidarium, and ammonium ceric nitrate initiator solution is then added dropwise, and solution a is obtained after 30min, reaction 1h is added dropwise.
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 60min.
Step 4, obtained after the teos solution for accounting for acrylamide quality 10%, reaction 2.5h are added into solution b
Clear viscous liquids；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 50 DEG C of isoperibol and dry
The hyperbranched amphiprotic polyacrylamide of white solid is obtained afterwards.
Embodiment 2
Step 1, it is 6 according to monomer weight ratio:3:1 takes acrylamide, deionized water and pentaerythrite.
Step 2, the three-necked flask by the placement of the acrylamide of acquirement, deionized water and pentaerythrite in a nitrogen environment
Interior, inserted with stirring rod and thermometer in a mouth of three-necked flask, one, two other mouth is passed through nitrogen, another discharge three
Gas in mouthful flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed at 40 DEG C
10min is heated in water bath with thermostatic control, ammonium ceric nitrate initiator solution is then added dropwise, time for adding is 10min, and solution is obtained after reaction 1h
a。
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 30min.
Step 4, obtained after the teos solution for accounting for acrylamide quality 8%, reaction 2.5h are added into solution b
Bright thick liquid；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 40 DEG C of isoperibol and dry
The hyperbranched amphiprotic polyacrylamide of white solid is obtained afterwards.
Embodiment 3
Step 1, it is 6 according to monomer weight ratio:2:2 take acrylamide, deionized water and pentaerythrite.
Step 2, the three-necked flask by the placement of the acrylamide of acquirement, deionized water and pentaerythrite in a nitrogen environment
Interior, inserted with stirring rod and thermometer in a mouth of three-necked flask, one, two other mouth is passed through nitrogen, another discharge three
Gas in mouthful flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed at 70 DEG C
20min is heated in water bath with thermostatic control, ammonium ceric nitrate initiator solution is then added dropwise, time for adding is 20min, and solution is obtained after reaction 1h
a。
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 45min.
Step 4, obtain transparent after the teos solution for accounting for acrylamide quality 2%, reaction 3h are added into solution b
Thick liquid；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 40-60 DEG C of isoperibol and do
The hyperbranched amphiprotic polyacrylamide of white solid is obtained after dry.
Embodiment 4
Step 1, it is 6 according to monomer weight ratio:1:3 take acrylamide, deionized water and pentaerythrite.
Step 2, the three-necked flask by the placement of the acrylamide of acquirement, deionized water and pentaerythrite in a nitrogen environment
Interior, inserted with stirring rod and thermometer in a mouth of three-necked flask, one, two other mouth is passed through nitrogen, another discharge three
Gas in mouthful flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed at 70 DEG C
10min is heated in water bath with thermostatic control, ammonium ceric nitrate initiator solution is then added dropwise, time for adding is 15min, and solution is obtained after reaction 1h
a。
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 45min.
Step 4, obtain transparent after the teos solution for accounting for acrylamide quality 7%, reaction 3h are added into solution b
Thick liquid；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 40 DEG C of isoperibol and dry
The hyperbranched amphiprotic polyacrylamide of white solid is obtained afterwards.
Embodiment 5
Step 1, it is 7 according to monomer weight ratio:1:2 take acrylamide, deionized water and pentaerythrite.
Step 2, the three-necked flask by the placement of the acrylamide of acquirement, deionized water and pentaerythrite in a nitrogen environment
Interior, inserted with stirring rod and thermometer in a mouth of three-necked flask, one, two other mouth is passed through nitrogen, another discharge three
Gas in mouthful flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed at 60 DEG C
25min is heated in water bath with thermostatic control, ammonium ceric nitrate initiator solution is then added dropwise, time for adding is 25min, and solution is obtained after reaction 1h
a。
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 50min.
Step 4, obtained after the teos solution for accounting for acrylamide quality 2-10%, reaction 4h are added into solution b
Clear viscous liquids；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 55 DEG C of isoperibol and dry
The hyperbranched amphiprotic polyacrylamide of white solid is obtained afterwards.
Embodiment 6
Step 1, it is 8 according to monomer weight ratio:1:1 takes acrylamide, deionized water and pentaerythrite.
Step 2, the three-necked flask by the placement of the acrylamide of acquirement, deionized water and pentaerythrite in a nitrogen environment
Interior, inserted with stirring rod and thermometer in a mouth of three-necked flask, one, two other mouth is passed through nitrogen, another discharge three
Gas in mouthful flask, makes at acrylamide, deionized water and pentaerythrite in a nitrogen environment and then is placed at 40 DEG C
30min is heated in water bath with thermostatic control, ammonium ceric nitrate initiator solution is then added dropwise, time for adding is 30min, and solution is obtained after reaction 1h
a。
Step 3, cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acryloyls are added into solution a
Solution b is obtained after amine -2- methyl propane sulfonic acids, reaction 40min.
Step 4, obtain transparent after the teos solution for accounting for acrylamide quality 5%, reaction 4h are added into solution b
Thick liquid；
Step 5, repeatedly washed after clear viscous liquids, immersion 6h using acetone, be placed under 55 DEG C of isoperibol and dry
The hyperbranched amphiprotic polyacrylamide of white solid is obtained afterwards.
Claims (6)
1. a kind of hyperbranched amphiprotic polyacrylamide, it is characterised in that using pentaerythrite as core, is reacted by " core first "
To hyperbranched amphiprotic polyacrylamide, its chemical structural formula is：
2. a kind of preparation method of hyperbranched amphiprotic polyacrylamide as claimed in claim 1, it is characterised in that including following
Step：
Step 1, it is 8 according to monomer weight ratio:1:1、7:2:1、6:3:1、7:1:2、6:2:2 or 6:1:3 take acrylamide, go from
Sub- water and pentaerythrite；
Step 2, by the acrylamide of acquirement, deionized water and pentaerythrite, water bath with thermostatic control adds in nitrogen environment, at 40-70 DEG C
Hot 10-30min, is then added dropwise ammonium ceric nitrate initiator solution, time for adding is 10-30min, and solution a is obtained after reaction 1h；
Step 3, added into solution a cationic monomer diethyl diallyl ammonium chloride and anionic monomer 2- acrylamides-
Solution b is obtained after 2- methyl propane sulfonic acids, reaction 30-60min；
Step 4, obtained after the teos solution for accounting for acrylamide quality 2-10%, reaction 2.5-5.5h are added into solution b
To clear viscous liquids；
Step 5, washed using acetone after clear viscous liquids, immersion 6h, be placed in after being dried under 40-60 DEG C of environment and obtain hyperbranched
Amphiprotic polyacrylamide.
3. the preparation method of hyperbranched amphiprotic polyacrylamide according to claim 2, it is characterised in that the step 2
Middle that acrylamide, deionized water and pentaerythrite are placed in three-necked flask, three-necked flask is anaerobic state.
4. the preparation method of hyperbranched amphiprotic polyacrylamide according to claim 3, it is characterised in that three mouthfuls of burnings
One mouth of bottle is inserted with stirring rod, and a mouth is passed through nitrogen, and last mouth is discharged for gas.
5. the preparation method of hyperbranched amphiprotic polyacrylamide according to claim 2, it is characterised in that the step 5
In be dried under 40 DEG C of constant temperature.
6. the preparation method of hyperbranched amphiprotic polyacrylamide according to claim 2, it is characterised in that the step 5
Middle use acetone washs multiple clear viscous liquids.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003284A (en) * | 2017-11-21 | 2018-05-08 | 陕西科技大学 | A kind of hyperbranched cationic polyacrylamide and preparation method thereof |
| CN109836531A (en) * | 2019-03-01 | 2019-06-04 | 西南民族大学 | A kind of pH stimuli responsive type intelligently hyperbranched antisludging agent and its application |
| CN113354049A (en) * | 2021-07-12 | 2021-09-07 | 东北石油大学 | Preparation method of hyperbranched magnetic demulsifying flocculant for oil field water treatment |
| CN114276488A (en) * | 2022-03-03 | 2022-04-05 | 河南博源新材料有限公司 | Long-chain branch multi-head cationic polyacrylamide and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844765A (en) * | 2015-05-18 | 2015-08-19 | 中国海洋石油总公司 | Hyperbranched polymer oil-displacing agent and preparation method thereof |
| CN104877079A (en) * | 2015-05-18 | 2015-09-02 | 中国海洋石油总公司 | Water-soluble hyperbranched multi-arm polyacrylamide polymer and preparation method thereof |
| CN106117440A (en) * | 2016-06-27 | 2016-11-16 | 中国海洋石油总公司 | A kind of fluorinated water dissolubility dissaving polymer oil displacement agent |
| CN106117456A (en) * | 2016-06-27 | 2016-11-16 | 中国海洋石油总公司 | A kind of fluorine-containing dissaving polymer oil displacement agent |
| CN106432599A (en) * | 2016-09-29 | 2017-02-22 | 陕西科技大学 | Hyperbranched polyacrylamide and preparation method thereof |
-
2017
- 2017-03-24 CN CN201710184609.2A patent/CN107118301A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844765A (en) * | 2015-05-18 | 2015-08-19 | 中国海洋石油总公司 | Hyperbranched polymer oil-displacing agent and preparation method thereof |
| CN104877079A (en) * | 2015-05-18 | 2015-09-02 | 中国海洋石油总公司 | Water-soluble hyperbranched multi-arm polyacrylamide polymer and preparation method thereof |
| CN106117440A (en) * | 2016-06-27 | 2016-11-16 | 中国海洋石油总公司 | A kind of fluorinated water dissolubility dissaving polymer oil displacement agent |
| CN106117456A (en) * | 2016-06-27 | 2016-11-16 | 中国海洋石油总公司 | A kind of fluorine-containing dissaving polymer oil displacement agent |
| CN106432599A (en) * | 2016-09-29 | 2017-02-22 | 陕西科技大学 | Hyperbranched polyacrylamide and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108003284A (en) * | 2017-11-21 | 2018-05-08 | 陕西科技大学 | A kind of hyperbranched cationic polyacrylamide and preparation method thereof |
| CN109836531A (en) * | 2019-03-01 | 2019-06-04 | 西南民族大学 | A kind of pH stimuli responsive type intelligently hyperbranched antisludging agent and its application |
| CN113354049A (en) * | 2021-07-12 | 2021-09-07 | 东北石油大学 | Preparation method of hyperbranched magnetic demulsifying flocculant for oil field water treatment |
| CN114276488A (en) * | 2022-03-03 | 2022-04-05 | 河南博源新材料有限公司 | Long-chain branch multi-head cationic polyacrylamide and application thereof |
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