CN105085792A - Preparation method of organic fluorine monomer modified acrylic emulsion - Google Patents
Preparation method of organic fluorine monomer modified acrylic emulsion Download PDFInfo
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- CN105085792A CN105085792A CN201510594896.5A CN201510594896A CN105085792A CN 105085792 A CN105085792 A CN 105085792A CN 201510594896 A CN201510594896 A CN 201510594896A CN 105085792 A CN105085792 A CN 105085792A
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- 239000000839 emulsion Substances 0.000 title claims abstract description 75
- 239000000178 monomer Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 23
- 239000011737 fluorine Substances 0.000 title claims abstract description 23
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000003999 initiator Substances 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000004945 emulsification Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 14
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004160 Ammonium persulphate Substances 0.000 claims description 7
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims description 7
- MORMPWNLQJTSOT-UHFFFAOYSA-L disodium;4-dodecyl-2-(4-sulfonatophenoxy)benzenesulfonate Chemical compound [Na+].[Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C(OC=2C=CC(=CC=2)S([O-])(=O)=O)=C1 MORMPWNLQJTSOT-UHFFFAOYSA-L 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 4
- QTKPMCIBUROOGY-UHFFFAOYSA-N 2,2,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)F QTKPMCIBUROOGY-UHFFFAOYSA-N 0.000 claims description 3
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- -1 pentyl ester Chemical class 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 41
- 239000004568 cement Substances 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 5
- 229910001870 ammonium persulfate Inorganic materials 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 239000003995 emulsifying agent Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003643 water by type Substances 0.000 description 15
- 238000012423 maintenance Methods 0.000 description 7
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical class OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 5
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 229940051841 polyoxyethylene ether Drugs 0.000 description 5
- 229920000056 polyoxyethylene ether Polymers 0.000 description 5
- 239000002174 Styrene-butadiene Substances 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000011115 styrene butadiene Substances 0.000 description 4
- 229920003048 styrene butadiene rubber Polymers 0.000 description 4
- 230000002742 anti-folding effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a preparation method of organic fluorine monomer modified acrylic emulsion. The preparation method includes the detailed steps that 1, according to emulsion preparation, deionized water and emulsifying agents are stirred and dissolved in a pre-emulsification kettle, monomers are added in stirring, and then stirring continues to be performed to obtain pre-emulsified liquid; 2, according to initiator liquid preparation, deionized water and ammonium persulfate are stirred and dissolved to obtain initiator liquid; 3, according to polymerization reaction, deoinized water, ammonium persulfate and part of the pre-emulsified liquid are added into a reaction kettle and heated to a polymerization temperature to react, then the remaining pre-emulsified liquid and initiator liquid are evenly and simultaneously dripped, heat preservation is performed after dripping, then cooling is performed, and the needed emulsion is obtained through filtering and discharging. The prepared organic fluorine monomer modified acrylic emulsion is low in surface tension and good in water resistance; when the organic fluorine monomer modified acrylic emulsion is used for a cement concrete road, the dry shrinkage amount of concrete is small, chemical corrosion resistance is good, breaking strength is high, permeability resistance is good, and therefore the service life of the concrete road surface is prolonged.
Description
Technical field
The present invention relates to a kind of preparation method of ACRYLIC EMULSION.Be specifically related to the preparation method of preparation method's aqua of the monomer modified ACRYLIC EMULSION of a kind of organic fluorine.
Technical background
Along with the development of modern high-grade highway, cement concrete is the same with bituminous concrete, becomes the primary building material of high grade pavement.The plurality of advantages such as it is high that cement concrete pavement has intensity, good stability, good endurance, and cost is suitable, and maintenance cost is little, and driving at night visuality is good.And current present situation to be newly-built cement concrete road often just there is resolving the havoc such as plate, hollow for 3-5 years, damaged concrete road surface is caused directly every year and indirect economic loss reaches 24.01 hundred million yuan.Because the shortcoming of cement concrete pavement is fragility large, flexible low, tension, folding strength compared with low, easy cunning, noise is large, shrinkage is large, resistance to chemical attack is not high.Along with the development of science and technology and progressively going deep into of modernization construction, people are finding the approach improved portland cement concrete always, such as improve the character of cement, add filamentary material, add admixture etc.To the improvement of concrete basic mechanical characteristic, particularly reducing one of concrete rigidity, raising toughness, the measure reducing backfin ratio is exactly adopt high molecular polymer to carry out modification to cement road concrete.
Li Yang etc. pass through with 12-16 order rubber particle with volume volume 20% generation sand, and the rubber particle concrete of preparation, ultimate compression strength reaches more than C35, and folding strength reaches more than 4.5MPa, meets road concrete requirement of strength.The pavement performance of styrene-butadiene emulsion modified concrete such as Liang Naixing carries out the analysis of system of going deep into, concrete is after mixing styrene-butadiene emulsion, the folding strength of 7 days improves 22% relative to common concrete, anti-folding Young's modulus reduces about 24%, the folding strength of 28 days improves 38%, anti-folding Young's modulus reduces about 21%, and the folding strength of 90 days improves 27%, and anti-folding Young's modulus reduces about 19%.Mixing of styrene-butadiene emulsion makes concrete folding strength significantly improve, and elastic feel quantity reduces, flexible increase, and drying shrinkage and wear resistance improve.Yao Hongyun etc. are by a large amount of experiments and theoretical analysis, and find that Carboxy emulsion has water-reduction to portland cement concrete, contract with dry rate reduces, and rigidity reduces.Li Fang etc. found through experiments Carboxy emulsion to what improve sand-cement slurry and are bonded with significant effect, and significantly can reduce backfin ratio, draw the workability at aggregation thing modified mortar, can not consider the conclusion of the size of water cement ratio.Li Zhendongs etc. have studied acidic cation polychloroprene latex and carry out modification to sand-cement slurry, can be improved the folding strength 70---50% of material, reach 10MPa by dry wet-cured method.Polychloroprene latex mix the impermeability can improving material, reduce water-intake rate, increase cohesive strength.Xu Xianmin etc. describe performance and the constructional method of external vinylbenzene-butadiene latexes modified concrete, can apply a large amount of finish coats on road and bridge widely, and its long-term behaviour and economic benefit confirmed by case study and live report.Zhang Zhenxiu describes styrene butadiene latex modified concrete, and the features such as easy mix, good workability, good self-maintenance, good cohesive force, hyposmosis, reduction Young's modulus that can meet from it have done deep explanation.Zhang Jiantao is studied Carboxy modified cement-concrete microtexture by various means of testing, discloses the improvement of Carboxy emulsion to cement concrete micro-property.Wang Xiaochen etc. adopt polyacrylate emulsion to carry out modification to concrete.Modified concrete crushing strength improves a lot.
From reading up the literature, domestic in the concrete research of polymer emulsion modified cement road at present, polymer emulsion used is not mentioned and is carried out modification with organic fluorine monomer.And the emulsion that organic fluorine monomer and polymerizable acrylic monomer are formed, surface tension is low, water resistance good, is used in road concrete, concrete shrinkage amount is little, and resist chemical is good, High anti bending strength, impervious good, thus the work-ing life of concrete road surface is extended.
Summary of the invention
The object of the present invention is to provide the preparation method of preparation method's aqua of the monomer modified ACRYLIC EMULSION of a kind of organic fluorine.The ACRYLIC EMULSION surface tension that the present invention obtains is low, water resistance good, is used in road concrete, and concrete shrinkage amount is little, and resist chemical is good, High anti bending strength, impervious good, thus the work-ing life of concrete road surface is extended.
For achieving the above object, the present invention adopts following technical scheme:
A preparation method for the monomer modified ACRYLIC EMULSION of organic fluorine, comprises the following steps:
(1) preparation of pre-emulsion: by 157 parts by weight of deionized water, 7 weight part disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 parts by weight of fatty polyoxyethylenated alcohol stirring and dissolving in pre-emulsification still, then the unsaturated acid monomer of 9 weight part C3-C4,135 weight part C4-C12 alkyl methacrylate monomers are under agitation added, after the alkyl acrylate monomer of 279 weight part C5-C12,9 parts by weight of acrylic acid hydroxy alkyl esters, 18 weight part organic fluorine monomers add, continue to stir 20-30 minute, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 parts by weight of deionized water, 2.25 weight part weight part ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 parts by weight of deionized water, 0.45 weight part ammonium persulphate, 60 weight part pre-emulsions are added in reactor, be warming up to polymerization temperature, reaction 20-30 minute, then evenly drips remaining pre-emulsion, initiator liquid simultaneously, controls to drip off pre-emulsion in 2-3 hour, initiator is dripped off in 3-4 hour, the complete rear insulation 1-2 hour of drop, after being incubated, is cooled to 40 DEG C, filter discharging, obtain emulsion required for the present invention.
The unsaturated acid monomer of described C3-C4 is vinylformic acid.
Described C4-C12 alkyl methacrylate monomer is methyl methacrylate.
The alkyl acrylate monomer of described C5-C12 be selected from butyl acrylate, Isooctyl acrylate monomer one or both.
Described organic fluorine monomer monomer is vinylformic acid trifluoro ethyl ester, trifluoroethyl methacrylate, vinylformic acid fourth fluorine propyl ester, the one of vinylformic acid octafluoro pentyl ester.
Beneficial effect of the present invention:
The organic fluorine that the present invention obtains monomer modified ACRYLIC EMULSION surface tension is low, water resistance good, and it is used in cement-concrete road, and concrete shrinkage amount is little, resist chemical is good, High anti bending strength, impervious good, thus the work-ing life of concrete road surface is extended.
Embodiment
Embodiment 1
(1) preparation of pre-emulsion: by 157 grams of deionized waters, 7 grams of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 grams of fatty alcohol-polyoxyethylene ether stirring and dissolving in pre-emulsification still, then 9 grams of vinylformic acid, 135 grams of methyl methacrylates are under agitation added, after 279 grams of Isooctyl acrylate monomers, 9 grams of Hydroxyethyl acrylates, 18 grams of vinylformic acid trifluoro ethyl esters add, continue stirring 30 minutes, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 grams of deionized waters, 2.25 grams of ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 grams of deionized waters, 0.45 gram of ammonium persulphate, 60 grams of pre-emulsions are added in reactor, be warming up to polymerization temperature, react 30 minutes, then evenly drip remaining pre-emulsion, initiator liquid simultaneously, control to drip off pre-emulsion in 3 hours, initiator is dripped off in 3.5 hours, the complete rear insulation of drop 1.5 hours, after being incubated, is cooled to 40 DEG C, filter discharging, obtain required emulsion;
(4) then use this emulsion, join in road concrete in proportion and stir, be incorporated to mould, maintenance, and carry out performance test.
Embodiment 2
(1) preparation of pre-emulsion: by 157 grams of deionized waters, 7 grams of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 grams of fatty alcohol-polyoxyethylene ether stirring and dissolving in pre-emulsification still, then 9 grams of vinylformic acid, 135 grams of methyl methacrylates are under agitation added, after 279 grams of butyl acrylates, 9 grams of Hydroxyethyl acrylates, 18 grams of trifluoroethyl methacrylates add, continue stirring 30 minutes, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 grams of deionized waters, 2.25 grams of ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 grams of deionized waters, 0.45 gram of ammonium persulphate, 60 grams of pre-emulsions are added in reactor, be warming up to polymerization temperature, react 30 minutes, then evenly drip remaining pre-emulsion, initiator liquid simultaneously, control to drip off pre-emulsion in 3 hours, initiator is dripped off in 3.5 hours, the complete rear insulation of drop 1.5 hours, after being incubated, is cooled to 40 DEG C, filter discharging, obtain required emulsion;
(4) then use this emulsion, join in road concrete in proportion and stir, be incorporated to mould, maintenance, and carry out performance test.
Embodiment 3
(1) preparation of pre-emulsion: by 157 grams of deionized waters, 7 grams of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 grams of fatty alcohol-polyoxyethylene ether stirring and dissolving in pre-emulsification still, then 9 grams of vinylformic acid, 135 grams of methyl methacrylates are under agitation added, 179 grams of Isooctyl acrylate monomers, 100 grams of Isooctyl acrylate monomers, after 9 grams of Hydroxyethyl acrylates, 18 grams of vinylformic acid fourth fluorine propyl ester add, continue stirring 30 minutes, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 grams of deionized waters, 2.25 grams of ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 grams of deionized waters, 0.45 gram of ammonium persulphate, 60 grams of pre-emulsions are added in reactor, be warming up to polymerization temperature, react 30 minutes, then evenly drip remaining pre-emulsion, initiator liquid simultaneously, control to drip off pre-emulsion in 3 hours, initiator is dripped off in 3.5 hours, the complete rear insulation of drop 1.5 hours, after being incubated, is cooled to 40 DEG C, filter discharging, obtain required emulsion.
(4) then use this emulsion, join in road concrete in proportion and stir, be incorporated to mould, maintenance, and carry out performance test.
Embodiment 4
(1) preparation of pre-emulsion: by 157 grams of deionized waters, 7 grams of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 grams of fatty alcohol-polyoxyethylene ether stirring and dissolving in pre-emulsification still, then 9 grams of vinylformic acid, 135 grams of methyl methacrylates are under agitation added, after 79 grams of Isooctyl acrylate monomers, 200 grams of Isooctyl acrylate monomers, 9 grams of Hydroxyethyl acrylates, 18 grams of vinylformic acid octafluoro pentyl esters add, continue stirring 30 minutes, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 grams of deionized waters, 2.25 grams of ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 grams of deionized waters, 0.45 gram of ammonium persulphate, 60 grams of pre-emulsions are added in reactor, be warming up to polymerization temperature, react 30 minutes, then evenly drip remaining pre-emulsion, initiator liquid simultaneously, control to drip off pre-emulsion in 3 hours, initiator is dripped off in 3.5 hours, the complete rear insulation of drop 1.5 hours, after being incubated, is cooled to 40 DEG C, filter discharging, obtain required emulsion;
(4) then use this emulsion, join in road concrete in proportion and stir, be incorporated to mould, maintenance, and carry out performance test.
Comparative example
(1) preparation of pre-emulsion: by 157 grams of deionized waters, 7 grams of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 grams of fatty alcohol-polyoxyethylene ether stirring and dissolving in pre-emulsification still, then 9 grams of vinylformic acid, 135 grams of methyl methacrylates are under agitation added, after 97 grams of Isooctyl acrylate monomers, 200 grams of Isooctyl acrylate monomers, 9 grams of Hydroxyethyl acrylates add, continue stirring 30 minutes, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 grams of deionized waters, 2.25 grams of ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 grams of deionized waters, 0.45 gram of ammonium persulphate, 60 grams of pre-emulsions are added in reactor, be warming up to polymerization temperature, react 30 minutes, then evenly drip remaining pre-emulsion, initiator liquid simultaneously, control to drip off pre-emulsion in 3 hours, initiator is dripped off in 3.5 hours, the complete rear insulation of drop 1.5 hours, after being incubated, is cooled to 40 DEG C, filter discharging, obtain required emulsion;
(4) then use this emulsion, join in road concrete in proportion and stir, be incorporated to mould, maintenance, and carry out performance test.
Here is the evaluation result to embodiment.
Claims (5)
1. a preparation method for the monomer modified ACRYLIC EMULSION of organic fluorine, is characterized in that, comprise the following steps:
(1) preparation of pre-emulsion: by 157 parts by weight of deionized water, 7 weight part disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate salt, 7 parts by weight of fatty polyoxyethylenated alcohol stirring and dissolving in pre-emulsification still, then the unsaturated acid monomer of 9 weight part C3-C4,135 weight part C4-C12 alkyl methacrylate monomers are under agitation added, after the alkyl acrylate monomer of 279 weight part C5-C12,9 parts by weight of acrylic acid hydroxy alkyl esters, 18 weight part organic fluorine monomers add, continue to stir 20-30 minute, obtain pre-emulsion;
(2) preparation of initiator liquid: by 102 parts by weight of deionized water, 2.25 weight part weight part ammonium persulphates, stirring and dissolving, obtains initiator liquid;
(3) polyreaction: 200 parts by weight of deionized water, 0.45 weight part ammonium persulphate, 60 weight part pre-emulsions are added in reactor, be warming up to polymerization temperature, reaction 20-30 minute, then evenly drips remaining pre-emulsion, initiator liquid simultaneously, controls to drip off pre-emulsion in 2-3 hour, initiator is dripped off in 3-4 hour, the complete rear insulation 1-2 hour of drop, after being incubated, is cooled to 40 DEG C, filter discharging, obtain emulsion required for the present invention.
2. the preparation method of the monomer modified ACRYLIC EMULSION of a kind of organic fluorine according to claim 1, is characterized in that, the unsaturated acid monomer of described C3-C4 is vinylformic acid.
3. the preparation method of the monomer modified ACRYLIC EMULSION of a kind of organic fluorine according to claim 1, is characterized in that, described C4-C12 alkyl methacrylate monomer is methyl methacrylate.
4. the preparation method of the monomer modified ACRYLIC EMULSION of a kind of organic fluorine according to claim 1, is characterized in that, the alkyl acrylate monomer of described C5-C12 be selected from butyl acrylate, Isooctyl acrylate monomer one or both.
5. the preparation method of the monomer modified ACRYLIC EMULSION of a kind of organic fluorine according to claim 1, it is characterized in that, described organic fluorine monomer monomer is vinylformic acid trifluoro ethyl ester, trifluoroethyl methacrylate, vinylformic acid fourth fluorine propyl ester, the one of vinylformic acid octafluoro pentyl ester.
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| CN106084147A (en) * | 2016-06-04 | 2016-11-09 | 石家庄市长安育才建材有限公司 | A kind of preparation method of the economization agent with water-reducing property |
| CN108624125A (en) * | 2018-05-25 | 2018-10-09 | 佛山市高明绿色德化工有限公司 | A kind of environment-friendly water-based bi-component nylon ink for screen printing and its application method |
| CN111363082A (en) * | 2020-02-28 | 2020-07-03 | 东华大学 | Preparation method of water-based acrylate emulsion |
| CN112143322A (en) * | 2020-09-04 | 2020-12-29 | 浙江玖龙新材料有限公司 | Formula and preparation method of high-self-leveling acrylic emulsion |
| CN113880979A (en) * | 2021-10-29 | 2022-01-04 | 山东灵晓新材料有限公司 | High-water-retention acrylate back coating liquid and preparation method thereof |
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