CN102952287B - Polymer nanoparticle gas pipeline corrosion-inhibition type drag reducer and preparation method thereof - Google Patents
Polymer nanoparticle gas pipeline corrosion-inhibition type drag reducer and preparation method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000002105 nanoparticle Substances 0.000 title abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 title abstract 3
- 229920000642 polymer Polymers 0.000 title abstract 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 239000004793 Polystyrene Substances 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims abstract description 23
- 229920002223 polystyrene Polymers 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 239000011780 sodium chloride Substances 0.000 claims abstract description 8
- 239000003999 initiator Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000012429 reaction media Substances 0.000 claims abstract description 5
- 229920000768 polyamine Polymers 0.000 claims abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 42
- 239000002245 particle Substances 0.000 claims description 41
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 34
- 230000005764 inhibitory process Effects 0.000 claims description 31
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 26
- 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 20
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 239000012467 final product Substances 0.000 claims description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 239000011541 reaction mixture Substances 0.000 claims description 6
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 4
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 4
- 239000002114 nanocomposite Substances 0.000 claims description 4
- 229960001124 trientine Drugs 0.000 claims description 4
- -1 alkyl diamine methanol Chemical compound 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000007429 general method Methods 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract 2
- 235000019345 sodium thiosulphate Nutrition 0.000 abstract 2
- 229920005830 Polyurethane Foam Polymers 0.000 abstract 1
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 239000011496 polyurethane foam Substances 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 34
- 239000003345 natural gas Substances 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 235000011089 carbon dioxide Nutrition 0.000 description 4
- 235000009508 confectionery Nutrition 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 208000016261 weight loss Diseases 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- QFTYSVGGYOXFRQ-UHFFFAOYSA-N dodecane-1,12-diamine Chemical compound NCCCCCCCCCCCCN QFTYSVGGYOXFRQ-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a polymer nanoparticle gas pipeline corrosion-inhibition type drag reducer and a preparation method thereof, and relates to the technical fields of general methods of organic chemistry, corrosion prevention of general metal materials and pipeline systems. The method is characterized in that methyl methacrylate is used as a raw material, polystyrene light foam is used as an auxiliary agent, deionized water is used as a reaction medium, sodium thiosulfate is used as an initiator, sodium chloride is used as an ionic strength regulator, and polyamine is used as a surface modifier, and the methyl methacrylate, the polystyrene light foam and the deionized water react under the conditions of reflux and stirring to form the polyurethane foam; in 100% by mass, 11.04-19.85% of methyl methacrylate, 0.28-0.5% of polystyrene light foam, 79.4-88.32% of deionized water, 0.12-0.14% of sodium thiosulfate and 0.13-0.22% of sodium chloride. The polymer nanoparticle gas pipeline corrosion-inhibition type drag reducer has the characteristics of strong pipe wall adsorption force, capability of obviously reducing pipe wall roughness and good effect.
Description
Technical field
The present invention is a kind of high molecular nanometer particles class gas pipeline inhibition type flow improver and preparation method, relates to corrosion protection and the tubing system technical field of vitochemical general method, common metal material.
Background technology
Sweet natural gas is to pollute at present minimum, the most clean energy, and the proportion in primary energy source improves rapidly, and gas distributing system burden increases the weight of increasingly.Each area both at home and abroad, Various Seasonal has a greater change the demand of Sweet natural gas.During 12, plan to build 2.4 ten thousand kilometers of main pipelines, pipeline total kilometrage will reach 4.8 ten thousand kilometers.In addition, for approximately 8000 kilometers of the newly-built branch pipelines of key market.2015, only the defeated total amount of CNPC's's natural gas tube will reach 1,752 hundred million sides, peak regulation demand will reach 15,500,000,000 sides, and average peak regulation coefficient is 8.8%, gas storage, compressor transformation, can interrupt the peak regulation means such as user and gas field and will be difficult to solve increasingly serious peaking problem.This just requires gas line network to have certain regulating power, and throughput rate especially increases sharply under safing condition.Drag reduction increases delivery of energy and plays Peak Load Adjustment, and the natural gas line chemical additive of energy drag reduction is the good selection that solves severe peaking problem.But, both at home and abroad to the demand of Sweet natural gas in rapid growth period, not only require gas distributing system to build fast-developing, and wish working pipeline overload operation even at full capacity, improve to greatest extent throughput rate.Along with the continuous operation of natural gas line, there is internal corrosion in increasing natural gas line, most of gathering line and gas field pipe network and the internal corrosion of part gas trunklines are serious, cause the bearing capacity of pipeline to reduce, limit the lifting of pipeline gas transmission ability, caused gas line network operational efficiency to decline.Xinjiang, long celebrating, southwestern collection transmission pipe network and the internal corrosion of puckery peaceful blue part gas trunklines are serious, tube wall attenuate, perforation, even fracture, and the bearing capacity of pipeline reduces, and gas transmission ability declines.Have anticorrosion and gas pipeline inhibition type flow improver drag reduction is the optimal selection that solves an above-mentioned difficult problem simultaneously.
CN101074344A discloses a kind of gas pipeline drag reduction agent and preparation method thereof, has good drag-reduction effect; US007458384B1 discloses a kind of oil and gas pipes flow improver of surfactant-modified inorganic nano-particle subtype, utilizes the uneven place of inorganic nano-particle " filling " inner-walls of duct of modification, reduces the roughness of inner-walls of duct, reaches drag reduction object.But two kinds of flow improvers all do not possess anti-corrosion function.The developing history of the existing many decades of natural gas line inhibiter, also have the product of many moulding to occur, but existing inhibiter is difficult to realize anti-drag function.
Summary of the invention
The object of the invention is to invent a kind of tube wall adsorptive power strong, can obviously reduce tube wall roughness, respond well high molecular nanometer particles class gas pipeline inhibition type flow improver and preparation method.
A kind of high molecular nanometer particles class gas pipeline inhibition type flow improver, it be first taking methyl methacrylate as raw material, polystyrene light foam as auxiliary, deionized water as reaction medium, Sulfothiorine is surface-modifying agent as initiator, sodium-chlor as ionic strength adjustor, polyamine, under return stirring condition, reaction forms; Be that in 100%, methyl methacrylate accounts for 11.04～19.85% in quality, polystyrene light foam accounts for 0.28～0.5%, and deionized water accounts for 79.4～88.32%, and Sulfothiorine accounts for 0.12～0.14%, and sodium-chlor accounts for 0.13～0.22%.
Preparation method is:
First taking methyl methacrylate as raw material, polystyrene light foam as auxiliary, deionized water as reaction medium, Sulfothiorine as initiator, sodium-chlor be ionic strength adjustor, under 40～60 DEG C of return stirring conditions, synthetic polystyrene-polymethylmethacrylate Nanocomposite Particles, methyl methacrylate and polystyrene light foam mass ratio are 4: 1～40: 1, methyl methacrylate and Sulfothiorine mass ratio are 80: 1～160: 1, and methyl methacrylate and sodium-chlor mass ratio are 50: 1～150: 1; By synthetic high molecular nanometer particles repeatedly after centrifugal, washing and alcohol wash, be scattered in diethylenetriamine or triethylene tetramine or five ethene hexamines or alkyl dicarboxylic amine (carbon chain lengths from 6 to 12) methanol solution stirring reaction 2～6 hours under room temperature and Ultrasonic Conditions; By reaction product centrifugal and alcohol wash repeatedly, final product adds in methyl alcohol or ethanol or propyl alcohol, stirs 10～30 minutes under room temperature and Ultrasonic Conditions, forms high molecular nanometer particles class gas pipeline inhibition type flow improver.
Concrete implementation step is as follows:
1. in 1000ml three-necked bottle, add deionized water and sodium-chlor, under 40～60 DEG C of conditions, stir 10～20 minutes, the mass ratio of water and sodium-chlor is 400: 1～600: 1;
Under 2.40～60 DEG C of conditions, in sodium chloride solution, add methyl methacrylate, continue to stir after 10～20 minutes, add successively Sulfothiorine and polystyrene light foam particle; Wherein, methyl methacrylate and sodium-chlor mass ratio are 50: 1～150: 1, and methyl methacrylate and Sulfothiorine mass ratio are 80: 1～160: 1, and methyl methacrylate and polystyrene light foam mass ratio are 4: 1～40: 1;
3. reaction is after 6～36 hours, by reaction mixture, centrifugal, washing 3～5 times and ethanol are washed 3～5 times repeatedly, product is scattered in diethylenetriamine or triethylene tetramine or five ethene hexamines or alkyl diamine (carbon chain lengths from 6 to 12) methanol solution to stirring reaction 2～6 hours under room temperature and Ultrasonic Conditions;
4. by reaction product centrifugal and alcohol wash 3～5 times repeatedly, final product is added to (concentration is 30wt.%～60wt.%) in methyl alcohol or ethanol or propyl alcohol, under room temperature and Ultrasonic Conditions, stir 10～30 minutes, form high molecular nanometer particles class gas pipeline inhibition type flow improver.
This high molecular nanometer particles class gas pipeline inhibition type flow improver of the present invention, is made up of the polystyrene-poly methyl methacrylate Nanocomposite Particles of surface modification, and particle diameter can be 10nm～300nm.Synthetic polystyrene-poly methyl methacrylate Nanocomposite Particles surface main component is polymethylmethacrylate.Diethylenetriamine or triethylene tetramine or five ethene hexamines or alkyl dicarboxylic amine (carbon chain lengths from 6 to 12) methanol solution, the polymethylmethacrylate of nanoparticle surface and excessive amido react, and have formed the high molecular nanometer particles of amino modified.With respect to low-molecular-weight compound, these high molecular nanometer particles, more can " fill " the concavo-convex place of gas pipeline inwall, greatly reduce tube wall roughness, play drag reduction effect.The amine groups of modified Nano particle surface, can strengthen this high molecular nanometer particles tube wall adsorptive power greatly.And amine groups itself has good corrosion inhibition, after gathering on nanoparticle, the corrosion inhibition being produced by collaborative effectiveness by be greatly better than the single performance of amine groups add and.In addition, the elastic molecular film of one deck can be formed by the nanoparticle surface of alkylamine modification, its resistance reducing performance can be further strengthened.This high molecular nanometer particles class gas pipeline inhibition type flow improver at gas pipeline inwall effect schematic diagram as shown in Figure 1.
Brief description of the drawings
Fig. 1 high molecular nanometer particles class gas pipeline inhibition type flow improver is at gas pipeline inwall effect schematic diagram
Fig. 2 high molecular nanometer particles class gas pipeline inhibition type flow improver SEM figure
The naked surfaces A FM figure of Fig. 3 natural gas line bloom
Natural gas line bloom surfaces A FM figure after Fig. 4 high molecular nanometer particles class gas pipeline inhibition type flow improver applies
Fig. 5 high molecular nanometer particles class gas pipeline inhibition type flow improver is coated in the AFM figure of natural gas line bloom configuration of surface
The drag reduction test result figure of Fig. 6 high molecular nanometer particles class gas pipeline inhibition type flow improver on Sweet natural gas simulation pipeline
Embodiment
Embodiment 1.
In 1000ml three-necked bottle, add deionized water and sodium-chlor, under 42 DEG C of conditions, stir 10 minutes, the mass ratio of water and sodium-chlor is 500: 1; Under 42 DEG C of conditions, in sodium chloride solution, add 40 grams of methyl methacrylates, continue to stir after 10 minutes, add successively Sulfothiorine and polystyrene light foam particle, wherein, methyl methacrylate and sodium-chlor mass ratio are 120: 1, and methyl methacrylate and Sulfothiorine mass ratio are 120: 1, and methyl methacrylate and polystyrene light foam mass ratio are 20: 1; React after 24 hours, by reaction mixture repeatedly centrifugal, washing 4 times and ethanol wash 4 times, product is scattered in dodecyl diamine methanol solution to stirring reaction 3 hours under room temperature and Ultrasonic Conditions; By reaction product centrifugal and alcohol wash 4 times repeatedly, final product is added to (concentration is 40wt.%) in methyl alcohol, under room temperature and Ultrasonic Conditions, stir 10 minutes.
The high molecular nanometer particles class gas pipeline inhibition type flow improver that present embodiment obtains, median size is 150nm, as shown in Figure 2.The high molecular nanometer particles class gas pipeline inhibition type flow improver obtaining is coated on to natural gas line bloom surface, test and can find by atomic force microscope, the coarse concave-convex surface place of bloom is by high molecular nanometer particles " filling ", and roughness reduces greatly, as shown in Fig. 3, Fig. 4 and Fig. 5.In simulation pipeline, test resistance reducing performance, its average drag reducing efficiency reaches 9%, and validity period is greater than 60 days, as shown in Figure 6.Static steel weight-loss method records, and this high molecular nanometer particles class of 100ppm gas pipeline inhibition type flow improver coexists in acidic corrosive media at carbonic acid gas/hydrogen sulfide, and the inhibition efficiency of natural gas line steel disc is greater than to 85%.
Embodiment 2
In 1000ml three-necked bottle, add deionized water and sodium-chlor, under 48 DEG C of conditions, stir 15 minutes, the mass ratio of water and sodium-chlor is 600: 1; Under 48 DEG C of conditions, in sodium chloride solution, add 40 grams of methyl methacrylates, continue to stir after 10 minutes, add successively Sulfothiorine and polystyrene light foam particle, wherein, methyl methacrylate and sodium-chlor mass ratio are 150: 1, and methyl methacrylate and Sulfothiorine mass ratio are 160: 1, and methyl methacrylate and polystyrene light foam mass ratio are 40: 1; React after 24 hours, by reaction mixture repeatedly centrifugal, washing 4 times and ethanol wash 4 times, product is scattered in dodecyl diamine methanol solution to stirring reaction 3 hours under room temperature and Ultrasonic Conditions; By reaction product centrifugal and alcohol wash 4 times repeatedly, final product is added to (concentration is 40wt.%) in methyl alcohol, under room temperature and Ultrasonic Conditions, stir 10 minutes.
The high molecular nanometer particles class gas pipeline inhibition type flow improver that present embodiment obtains, median size is 50nm.In simulation pipeline, test resistance reducing performance, its average drag reducing efficiency is 7.5%, and validity period is greater than 60 days.Static steel weight-loss method records, and this high molecular nanometer particles class of 100ppm gas pipeline inhibition type flow improver coexists in acidic corrosive media at carbonic acid gas/hydrogen sulfide, is 76% to the inhibition efficiency of natural gas line steel disc.
Embodiment 3
In 1000ml three-necked bottle, add deionized water and sodium-chlor, under 50 DEG C of conditions, stir 15 minutes, the mass ratio of water and sodium-chlor is 400: 1; Under 50 DEG C of conditions, in sodium chloride solution, add 40 grams of methyl methacrylates, continue to stir after 10 minutes, add successively Sulfothiorine and polystyrene light foam particle, wherein, methyl methacrylate and sodium-chlor mass ratio are 50: 1, and methyl methacrylate and Sulfothiorine mass ratio are 80: 1, and methyl methacrylate and polystyrene light foam mass ratio are 4: 1; React after 24 hours, by reaction mixture repeatedly centrifugal, washing 4 times and ethanol wash 4 times, product is scattered in dodecyl diamine methanol solution to stirring reaction 3 hours under room temperature and Ultrasonic Conditions; By reaction product centrifugal and alcohol wash 4 times repeatedly, final product is added to (concentration is 40wt.%) in methyl alcohol, under room temperature and Ultrasonic Conditions, stir 10 minutes.
The high molecular nanometer particles class gas pipeline inhibition type flow improver that present embodiment obtains, median size is 250nm.In simulation pipeline, test resistance reducing performance, its average drag reducing efficiency is 6.2%, and validity period is greater than 60 days.Static steel weight-loss method records, and this high molecular nanometer particles class of 100ppm gas pipeline inhibition type flow improver coexists in acidic corrosive media at carbonic acid gas/hydrogen sulfide, is 80% to the inhibition efficiency of natural gas line steel disc.
Embodiment 4
In 1000ml three-necked bottle, add deionized water and sodium-chlor, under 40～60 DEG C of conditions, stir 10～20 minutes, the mass ratio of water and sodium-chlor is 400: 1; Under 40～60 DEG C of conditions, in sodium chloride solution, add 40 grams of methyl methacrylates, continue to stir after 10 minutes, add successively Sulfothiorine and polystyrene light foam particle, wherein, methyl methacrylate and sodium-chlor mass ratio are 50: 1, and methyl methacrylate and Sulfothiorine mass ratio are 80: 1, and methyl methacrylate and polystyrene light foam mass ratio are 4: 1; React after 24 hours, by reaction mixture repeatedly centrifugal, washing 4 times and ethanol wash 4 times, product is scattered in hexanediamine methanol solution to stirring reaction 3 hours under room temperature and Ultrasonic Conditions; By reaction product centrifugal and alcohol wash 4 times repeatedly, final product is added to (concentration is 40wt.%) in methyl alcohol, under room temperature and Ultrasonic Conditions, stir 10 minutes.
The high molecular nanometer particles class gas pipeline inhibition type flow improver that present embodiment obtains, median size is 250nm.In simulation pipeline, test resistance reducing performance, its average drag reducing efficiency is 5.4%, and validity period is greater than 60 days.Static steel weight-loss method records, and this high molecular nanometer particles class of 100ppm gas pipeline inhibition type flow improver coexists in acidic corrosive media at carbonic acid gas/hydrogen sulfide, is 78% to the inhibition efficiency of natural gas line steel disc.
Claims (2)
1. a high molecular nanometer particles class gas pipeline inhibition type flow improver, it is characterized in that first taking methyl methacrylate as raw material, polystyrene light foam as auxiliary, deionized water as reaction medium, Sulfothiorine is surface-modifying agent as initiator, sodium-chlor as ionic strength adjustor, polyamine, under return stirring condition, reaction forms; Be that in 100%, methyl methacrylate accounts for 11.04～19.85% in quality, polystyrene light foam accounts for 0.28～0.5%, and deionized water accounts for 79.4～88.32%, and Sulfothiorine accounts for 0.12～0.14%, and sodium-chlor accounts for 0.13～0.22%; First taking methyl methacrylate as raw material, polystyrene light foam as auxiliary, deionized water as reaction medium, Sulfothiorine as initiator, sodium-chlor be ionic strength adjustor, synthetic polystyrene-polymethylmethacrylate Nanocomposite Particles under 40～60 DEG C of return stirring conditions, wherein methyl methacrylate and polystyrene light foam mass ratio are 4:1～40:1, methyl methacrylate and Sulfothiorine mass ratio are 80:1～160:1, and methyl methacrylate and sodium-chlor mass ratio are 50:1～150:1; Again synthetic high molecular nanometer particles repeatedly after centrifugal, washing and alcohol wash, is scattered in polyamine methanol solution to stirring reaction 2～6 hours under room temperature and Ultrasonic Conditions; By reaction product centrifugal and alcohol wash repeatedly, final product adds in methyl alcohol or ethanol or propyl alcohol, stirs 10～30 minutes and form under room temperature and Ultrasonic Conditions.
2. a preparation method for high molecular nanometer particles class gas pipeline inhibition type flow improver as claimed in claim 1, is characterized in that the steps include:
1) in 1000ml three-necked bottle, add deionized water and sodium-chlor, under 40～60 DEG C of conditions, stir 10～20 minutes, the mass ratio of water and sodium-chlor is 400:1～600:1;
2) under 40～60 DEG C of conditions, in sodium chloride solution, add methyl methacrylate, continue to stir after 10～20 minutes, add successively Sulfothiorine and polystyrene light foam particle; Wherein, methyl methacrylate and sodium-chlor mass ratio are 50:1～150:1, and methyl methacrylate and Sulfothiorine mass ratio are 80:1～160:1, and methyl methacrylate and polystyrene light foam mass ratio are 4:1～40:1;
3) reaction is after 6～36 hours, by reaction mixture, centrifugal, washing 3～5 times and ethanol are washed 3～5 times repeatedly, product is scattered in diethylenetriamine or triethylene tetramine or five ethene hexamines or alkyl diamine methanol solution to stirring reaction 2～6 hours under room temperature and Ultrasonic Conditions;
4) by reaction product centrifugal and alcohol wash 3～5 times repeatedly, 2:3～3:2 adds final product in methyl alcohol or ethanol or propyl alcohol in mass ratio, stirs 10～30 minutes under room temperature and Ultrasonic Conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110240175.6A CN102952287B (en) | 2011-08-19 | 2011-08-19 | Polymer nanoparticle gas pipeline corrosion-inhibition type drag reducer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110240175.6A CN102952287B (en) | 2011-08-19 | 2011-08-19 | Polymer nanoparticle gas pipeline corrosion-inhibition type drag reducer and preparation method thereof |
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| CN102952287B true CN102952287B (en) | 2014-08-06 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074344B (en) * | 2006-05-18 | 2010-09-01 | 中国石油天然气集团公司 | Friction-reducing agent for natural-gas transfer pipeline and its production |
| US20080099946A1 (en) * | 2006-10-31 | 2008-05-01 | Chevron U.S.A. Inc. | Foam for mitigation of flow assurance issues in oil & gas systems |
| CN101328441A (en) * | 2007-06-20 | 2008-12-24 | 中国石油天然气股份有限公司 | Gas pipeline drag reducer and preparation method thereof |
| US8916626B2 (en) * | 2008-07-31 | 2014-12-23 | Lubrizol Specialty Products, Inc. | Drag reducing copolymers for cold fluid applications |
| CN102216375B (en) * | 2008-10-03 | 2013-11-06 | 乌波诺尔创新股份公司 | Methods and compositions for coating pipe |
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