CN101372525A - Method for preparing non-ionic hydrophobic association polymerization water-soluble polymer from reverse micro emulsion - Google Patents
Method for preparing non-ionic hydrophobic association polymerization water-soluble polymer from reverse micro emulsion Download PDFInfo
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- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 35
- 229920003169 water-soluble polymer Polymers 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000004530 micro-emulsion Substances 0.000 title claims abstract description 11
- 238000006116 polymerization reaction Methods 0.000 title abstract description 8
- 239000000178 monomer Substances 0.000 claims abstract description 64
- 229920000642 polymer Polymers 0.000 claims abstract description 28
- 229920000126 latex Polymers 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- 239000000243 solution Substances 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 239000013543 active substance Substances 0.000 claims description 13
- 239000003999 initiator Substances 0.000 claims description 12
- 239000004816 latex Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 238000007334 copolymerization reaction Methods 0.000 claims description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 229920001214 Polysorbate 60 Polymers 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 3
- 229920000053 polysorbate 80 Polymers 0.000 claims description 3
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 2
- 239000004160 Ammonium persulphate Substances 0.000 claims description 2
- 239000004159 Potassium persulphate Substances 0.000 claims description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 2
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 2
- 235000010989 polyoxyethylene sorbitan monostearate Nutrition 0.000 claims description 2
- 239000001818 polyoxyethylene sorbitan monostearate Substances 0.000 claims description 2
- 229940113124 polysorbate 60 Drugs 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 235000019394 potassium persulphate Nutrition 0.000 claims description 2
- 239000012966 redox initiator Substances 0.000 claims description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 2
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 claims description 2
- 229960004418 trolamine Drugs 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004090 dissolution Methods 0.000 abstract description 5
- 150000001768 cations Chemical class 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000012071 phase Substances 0.000 abstract 4
- 101100049053 Mus musculus Vash1 gene Proteins 0.000 abstract 1
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000001965 increasing effect Effects 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 229920000136 polysorbate Polymers 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 15
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 10
- -1 dodecyl dimethyl (acrylyl oxy-ethyl) Chemical group 0.000 description 6
- 239000013505 freshwater Substances 0.000 description 3
- USNWAMPROKAEIT-UHFFFAOYSA-N [Na].C(C=C)(=O)O Chemical compound [Na].C(C=C)(=O)O USNWAMPROKAEIT-UHFFFAOYSA-N 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 1
- HVUMOYIDDBPOLL-XGKPLOKHSA-N [2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XGKPLOKHSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
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- 238000012688 inverse emulsion polymerization Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 239000002332 oil field water Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- 238000010189 synthetic method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The invention relates to a nonionic hydrophobic association and polymerization water soluble polymer prepared by opposite phase microemulsion and a preparation method thereof, and the polymer is copolymerized by a cation monomer having surface activity and a nonionic monomer. The microemulsion system fat phase is formed by mixing vash oil and spans surface active agent with tweens surface active agent; aqueous phase is the aqueous solution of the cation monomer having surface activity and the nonionic monomer. The micro-rubber latex of the polymer is characterized by very low viscosity which is closes to that of the fat phase, and has obvious tyndall effect; the micro-rubber latex of the polymer can quickly disperse in water, and can be directly used, so as to overcome the defects that the traditional hydrophobic association water soluble polymer has slow dissolution rate and poor solubility property. Therefore, the invention relates to the preparation method of the novel nonionic hydrophobic association polymer prepared by opposite phase microemulsion, and the polymer has the advantages of good water-solubility, viscosity increasing property, salt tackification, and the like, thus the method can be applied to the industries such as petroleum extraction, etc.
Description
Technical field
The present invention relates to a kind of nonionic hydrophobic associated water-soluble polymer and synthetic method thereof, belong to the water-soluble polymer field.
Background technology
In recent years, hydrophobic associated water-soluble polymer was because its strong tackifying ability and unique solution properties people's attention extremely.Hydrophobic associated water-soluble polymer is meant on the hydrophilic backbone of conventional water-soluble polymers introduces the minute quantity hydrophobic units (usually＜2mol%) and a class new type functional water-soluble polymers that forms.In the aqueous solution, when this base polymer surpassed certain concentration, the hydrophobic units on the differing molecular chain produced associating effect, and polymer macromolecule forms three-dimensional reticulated structure in solution, and the viscosity of solution significantly increases.This associating effect is a kind of connection of physics, thereby has reversibility.And add ionogen in the solution, can induce the association of hydrophobic units on the macromolecular chain.Make this base polymer have important use and be worth, particularly be with a wide range of applications at aspects such as Oil extraction, water-based paint, medicine controlled releasing and sewage disposals.
At present, hydrophobic associated water-soluble polymer mostly is acrylamide and the copolymerization of nonionic hydrophobic units forms, the ubiquity problem: hydrophobic monomer is asymmetric distribution on polymer chain, and the dissolution rate in water is slower.Be to increase dissolution rate, often improved in the following manner: one, add ionic hydrophilic monomer and hydrophobic monomer copolymerization, formation ionic hydrophobic associated water-soluble polymer strengthens that it is water-soluble; Its two, change polymerization methods, improve its on polymer chain to becoming to distribute.Mainly (5579-5586), its consumption is up to the 50mol% of total monomer content for Geoffrey L.Smith, Charles L.McCormick.Macromolecules 2001,34 based on anionic monomer acrylic acid (sodium) for the ionic hydrophilic monomer.But when the consumption of vinylformic acid (sodium) surpasses 40mol%, carboxylate radical in the polymkeric substance and Ca
2+, Mg
2+Ionic bond, easily generation precipitates and makes the solution phase-splitting, and the tackifying ability of polymers soln significantly descends.In the middle of oilfield exploitation, the content height of the general inorganic salt of oil-field water that polymkeric substance touched wherein contains higher Ca
2+, Mg
2+, if carboxylate radical is too much on the polymer molecular chain, except that viscosity reduced, the precipitation that polymkeric substance and polyvalent cation effect produce can clogging raw oil mobile passage.Therefore, such molecular designing can not satisfy the needs of oil field practice application.In order to increase to polymkeric substance Ca
2+, Mg
2+Deng the patience of polyvalent cation, with water-soluble 2 stronger-acrylamido-2-methyl propane sulfonic acid (AMPS) instead of propylene acid (B.Bangar Raju,
M.Winnik, YotaroMorishima.Langmuir 2001,17,4416-4421).Another effect that adds the wetting ability ion monomer is: utilize the repulsive interaction of same sex electric charge, make the easier stretching, extension of polymer chain, even like this under lower polymer concentration, gathering dielectric medium also has very strong tackifying ability in fresh water.Yet in salt solution, the electrical charge rejection effect on the poly-dielectric medium molecular chain is shielded, and tackifying ability significantly descends.At present, the preparation method of hydrophobic associated polymer mainly is solution polymerization.Because hydrophobic associated polymer has stronger tackifying ability in fresh water, viscosity is very high, cause the solid content of polymkeric substance very low, and prepare final product by the mode of xeraphium essence, the product molecular chain that obtains is impaired, degradation, and lower through exsiccant polymer dissolution speed, its popularization is restricted.In addition, inverse emulsion polymerization can impel the symmetrical distribution of hydrophobic monomer on polymer chain, but the polymer emulsion instability that makes, and layering easily influences its use.And the conversed phase micro emulsion copolymerization thing has obtained application in the polymerization of a lot of water-soluble monomers, and the product good water solubility, emulsion-stabilizing, and can carry out molecular designing.
Therefore, really be applied in order to make hydrophobic associated water-soluble polymer, particularly polymkeric substance can very fast dissolving (being higher than polyacrylamide), must redesign its polymerization methods.
Summary of the invention
The objective of the invention is to adopt reverse micro emulsion to prepare hydrophobic associated water-soluble polymer, utilize reverse micro emulsion to carry out molecular designing, utilize hydrophobic big monomer of ionic and nonionic monomer acrylamide copolymerization, obtain the fine latex of hydrophobic associated water-soluble polymer.This fine latex not only can directly use, and molecular weight improves, and solid content is than higher, even after the separation and purification, and polymkeric substance water-soluble apparently higher than polyacrylamide.
The present invention has following characteristics:
1, synthetic non-ionic hydrophobic associative water-soluble micro polymer latex of the present invention has low-down viscosity, is similar to the viscosity of oil phase; Polymkeric substance behind the purifying can dissolve rapidly in fresh water.
2, synthetic non-ionic hydrophobic associative water-soluble micro polymer latex of the present invention can spread out rapidly in water.
3, synthetic non-ionic hydrophobic associative water-soluble polymkeric substance of the present invention has the hydrophobic association function, and by regulating the consumption of two kinds of ionic comonomers, the dissolution rate of controlling polymers can be used for controlled delivery of pharmaceutical agents and discharge.
The present technique invention realizes by following measure:
A kind of nonionic hydrophobic associated water-soluble polymer, it is the polymkeric substance that is formed by monomer (A) and monomer (B) copolymerization, it is characterized in that: monomer (A) is a kind of nonionic acrylamide, and monomer (B) is the big monomer of the surface-active positively charged ion of tool.The general structure of monomer (B) is:
Wherein: R
1, R
2Be H or CH
3R
3, R
4Be CH
3Or C
2H
5R
5Be CH
3Or C
2H
5M is 1～6; N is 8～26.
In the nonionic hydrophobic associated water-soluble polymer, the consumption of water-soluble monomer (A) acrylamide accounts for monomer (A), (B) 97%～99.25%, preferably between 98.75%～99.25%.
The reverse microemulsion liquid system is made up of following material.Oil phase is: No. 10 white oils, No. 15 white oils or its mixture, and tensio-active agent is made up of 60 (Span60) of class of department, 80 (Span80) of class of department, polysorbate60 (Tween60), tween 80 (Tween80), and its HLB value is controlled at 8.4-9.6.
The polymerization process that the present invention adopts is as follows:
In reaction vessel, add white oil and tensio-active agent, the mass ratio of tensio-active agent and white oil is 1:0.2～20, surfactant mixtures control HLB value is between 8.4-9.6, controlled temperature is at 20～60 ℃, and stirring velocity is at 300～3000rpm, and churning time is 1～8h; According to consumption monomer (A) and monomer (B) are mixed with the aqueous solution, strength of solution is between 25～60wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 1～8h, solution temperature is controlled between 20 ℃～70 ℃.Continue to stir, stirring velocity is controlled between 300～1000rpm, logical high pure nitrogen 30min～1h, add water-soluble radical initiator, the consumption of initiator is monomeric 0.01～0.9% (mol ratio), continues logical nitrogen reaction 2h～24h, obtains transparent micro polymer latex.
What the present invention adopted is the reverse microemulsion process polymerization, used initiator is the redox initiation system that persulphate (ammonium persulphate, Potassium Persulphate, Sodium Persulfate), hydrogen peroxide or itself and sodium bisulfite, S-WAT, Sulfothiorine and trolamine are formed, or water-soluble azo compounds (V50, the two methylpent hydrochlorates of azo).
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1
In reaction vessel, add white oil 80g and tensio-active agent 40g, surfactant mixtures control HLB value is between 9.2, and controlled temperature is at 40 ℃, and stirring velocity is at 800rpm, and churning time is 1.5h; According to consumption acrylamide (monomer A), dodecyl dimethyl (acrylyl oxy-ethyl) brometo de amonio (monomers B) are mixed with the aqueous solution, strength of solution is (mol ratio of A and B is 99:1) between 55wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 5h, solution temperature is controlled between 40 ℃.Continue to stir, stirring velocity is controlled between the 300rpm, and logical high pure nitrogen 30min adds water-soluble radical initiator V50 0.15g,, continue logical nitrogen reaction 5h, obtain transparent micro polymer latex, blueing light.
Embodiment 2
In reaction vessel, add white oil 80g and tensio-active agent 40g, surfactant mixtures control HLB value is between 9.2, and controlled temperature is at 40 ℃, and stirring velocity is at 800rpm, and churning time is 1.5h; According to consumption acrylamide (monomer A), dodecyl dimethyl (acrylyl oxy-ethyl) brometo de amonio (monomers B) are mixed with the aqueous solution, strength of solution is (mol ratio of A and B is 99:1) between 55wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 5h, solution temperature is controlled between 40 ℃.Continue to stir, stirring velocity is controlled between the 300rpm, and logical high pure nitrogen 30min adds water-soluble radical initiator V50 0.70g,, continue logical nitrogen reaction 5h, obtain transparent micro polymer latex, blueing light.
Embodiment 3
In reaction vessel, add white oil 80g and tensio-active agent 40g, surfactant mixtures control HLB value is between 9.2, and controlled temperature is at 40 ℃, and stirring velocity is at 800rpm, and churning time is 1.5h; According to consumption acrylamide (monomer A), dodecyl dimethyl (acrylyl oxy-ethyl) brometo de amonio (monomers B) are mixed with the aqueous solution, strength of solution is (mol ratio of A and B is 99:1) between 55wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 5h, solution temperature is controlled between 40 ℃.Continue to stir, stirring velocity is controlled between the 300rpm, and logical high pure nitrogen 30min adds water-soluble radical initiator V50 0.50g,, continue logical nitrogen reaction 5h, obtain transparent micro polymer latex, blueing light.
Embodiment 4
In reaction vessel, add white oil 80g and tensio-active agent 40g, surfactant mixtures control HLB value is between 8.8, and controlled temperature is at 40 ℃, and stirring velocity is at 800rpm, and churning time is 1.5h; According to consumption acrylamide (monomer A), dodecyl dimethyl (acrylyl oxy-ethyl) brometo de amonio (monomers B) are mixed with the aqueous solution, strength of solution is (mol ratio of A and B is 99:1) between 55wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 5h, solution temperature is controlled between 40 ℃.Continue to stir, stirring velocity is controlled between the 300rpm, and logical high pure nitrogen 30min adds water-soluble radical initiator V50 0.50g,, continue logical nitrogen reaction 5h, obtain transparent micro polymer latex, blueing light.
Embodiment 5
In reaction vessel, add white oil 80g and tensio-active agent 40g, surfactant mixtures control HLB value is between 9.6, and controlled temperature is at 40 ℃, and stirring velocity is at 800rpm, and churning time is 1.5h; According to consumption acrylamide (monomer A), dodecyl dimethyl (acrylyl oxy-ethyl) brometo de amonio (monomers B) are mixed with the aqueous solution, strength of solution is (mol ratio of A and B is 99:1) between 55wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 5h, solution temperature is controlled between 40 ℃.Continue to stir, stirring velocity is controlled between the 300rpm, and logical high pure nitrogen 30min adds water-soluble radical initiator V50 0.50g,, continue logical nitrogen reaction 5h, obtain transparent micro polymer latex, blueing light.
Embodiment 6
In reaction vessel, add white oil 80g and tensio-active agent 40g, surfactant mixtures control HLB value is between 8.4, and controlled temperature is at 40 ℃, and stirring velocity is at 800rpm, and churning time is 1.5h; According to consumption acrylamide (monomer A), dodecyl dimethyl (acrylyl oxy-ethyl) brometo de amonio (monomers B) are mixed with the aqueous solution, strength of solution is (mol ratio of A and B is 99:1) between 55wt%.And then under the condition of stirring, slowly splash into monomer solution, and continue to stir 5h, solution temperature is controlled between 40 ℃.Continue to stir, stirring velocity is controlled between the 300rpm, and logical high pure nitrogen 30min adds water-soluble radical initiator V50 0.50g,, continue logical nitrogen reaction 5h, obtain transparent micro polymer latex, blueing light.
Claims (10)
1. nonionic hydrophobic associated water-soluble polymer, it is the polymkeric substance that is formed by monomer (A) and monomer (B) copolymerization, it is characterized in that: monomer (A) is a kind of non-ionic monomer, and monomer (B) is the big monomer of the surface-active positively charged ion of tool.
2. a kind of nonionic hydrophobic associated water-soluble polymer as claimed in claim 1 is characterized in that: monomer (A) is water soluble propene's acid amides of nonionic.
3. a kind of nonionic hydrophobic associated water-soluble polymer as claimed in claim 1 is characterized in that: monomer (B) is the big monomer of the surface-active positively charged ion of tool, and its general structure is:
Wherein: R
1, R
2Be H or CH
3R
3, R
4Be CH
3Or C
2H
5R
5Be CH
3Or C
2H
5M is 1～6; N is 4～26.
4. as claim 1,2 described a kind of nonionic hydrophobic associated water-soluble polymers, it is characterized in that: the consumption of monomer (A) accounts for 95%～99.75% of monomer (A), (B) total mole number.
5. as claim 1,3 described a kind of nonionic hydrophobic associated water-soluble polymers, it is characterized in that: the consumption of monomer (B) accounts for 0.25%～5% of monomer (A), (B) total mole number.
6. a kind of nonionic hydrophobic associated water-soluble polymer as claimed in claim 1, the employing reverse microemulsion process aggregates into, it is characterized in that: in reaction vessel, add white oil and tensio-active agent, mixture HLB value is controlled between the 8.4-9.6, temperature is controlled at 20～60 ℃, and stirring velocity is at 300～3000rpm, and churning time is 1～8h; According to consumption monomer (A) and monomer (B) are mixed with the aqueous solution, strength of solution is between 25～60wt%; Under condition of stirring, slowly splash into monomer solution then, continue to stir 1～8h, solution temperature is controlled between 20 ℃～70 ℃; Continue to stir, stirring velocity is controlled between 300～1000rpm, logical high pure nitrogen 30min～1h, add water-soluble radical initiator, the consumption of initiator is 0.01～0.9% of a monomer molar number, continues logical nitrogen reaction 2h～24h, obtains transparent micro polymer latex.
7. method as claimed in claim 6, it is characterized in that: described initiator is the redox initiation system that persulphate, hydrogen peroxide or itself and sodium bisulfite, S-WAT, Sulfothiorine and trolamine are formed, or water-soluble azo compounds, persulphate is ammonium persulphate, Potassium Persulphate or Sodium Persulfate, and water-soluble azo compounds is the two methylpent hydrochlorates of V50, azo.
8. method as claimed in claim 6 is characterized in that: the mixture that comprises tensio-active agent and 10# white oil, 15# white oil or its mixture in the oil phase; Wherein, tensio-active agent is a kind of or its any mixture in surface class of department 60, class of department 80, polysorbate60, the tween 80; Tensio-active agent is 1:0.2～20 with the mass ratio of oil, and the HLB value is controlled between the 8.4-9.6.
9. method as claimed in claim 6 is characterized in that: water is the aqueous solution that monomer (A) and monomer (B) are mixed with, and the total mass concentration of monomer is between 25%～60%.
10. method as claimed in claim 6 is characterized in that: the mass ratio of oil phase and water is between 1:0.2～5.
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| CN102675515A (en) * | 2011-12-16 | 2012-09-19 | 乐平市奇科化工有限公司 | Surface sizing agent and preparation method thereof |
| CN106608976A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Starch-containing thickening agent copolymerization association compound and preparation method thereof |
| CN106608974A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Tackifier copolymerization associate used for drilling fluid and preparation method of tackifier copolymerization associate |
| CN106608973A (en) * | 2015-10-21 | 2017-05-03 | 中国石油化工股份有限公司 | Method for preparing tackifier copolymerization associate |
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| CN106608972B (en) * | 2015-10-21 | 2019-05-21 | 中国石油化工股份有限公司 | A kind of preparation method of tackifier copolymerization associated matter |
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| CN106957641A (en) * | 2017-03-28 | 2017-07-18 | 四川光亚聚合物化工有限公司 | A kind of Water-In-Oil association type acidifying concentration thickening agent and preparation method thereof |
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| CN106833590A (en) * | 2017-03-28 | 2017-06-13 | 四川光亚聚合物化工有限公司 | A kind of Water-In-Oil association type displacement of reservoir oil concentration thickener and preparation method thereof |
| CN107011192B (en) * | 2017-04-22 | 2019-01-01 | 西南石油大学 | A kind of overlength carbochain parents head base hydrophobic monomer and preparation method thereof |
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