CN104356292B - A kind of preparation method of PAMC aqueous emulsion product - Google Patents
A kind of preparation method of PAMC aqueous emulsion product Download PDFInfo
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- 239000000839 emulsion Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000002270 dispersing agent Substances 0.000 claims abstract description 41
- 239000000178 monomer Substances 0.000 claims abstract description 33
- 230000004044 response Effects 0.000 claims abstract description 23
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 15
- 125000002091 cationic group Chemical group 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 42
- 239000000047 product Substances 0.000 claims description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 208000023445 Congenital pulmonary airway malformation Diseases 0.000 claims description 24
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 24
- 238000010792 warming Methods 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 14
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 14
- 230000006837 decompression Effects 0.000 claims description 14
- 238000006392 deoxygenation reaction Methods 0.000 claims description 14
- 239000002243 precursor Substances 0.000 claims description 14
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 10
- -1 methacryloxypropyl Chemical group 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 7
- HFBMWMNUJJDEQZ-UHFFFAOYSA-N acryloyl chloride Chemical compound ClC(=O)C=C HFBMWMNUJJDEQZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 230000002349 favourable effect Effects 0.000 claims description 7
- 239000003999 initiator Substances 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 claims description 7
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 claims description 5
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 5
- 239000001294 propane Substances 0.000 claims description 5
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004970 Chain extender Substances 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 4
- ZGCZDEVLEULNLJ-UHFFFAOYSA-M benzyl-dimethyl-(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C=CC(=O)OCC[N+](C)(C)CC1=CC=CC=C1 ZGCZDEVLEULNLJ-UHFFFAOYSA-M 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- YXYZMHGSOKYZAF-UHFFFAOYSA-M [Cl-].C(C(=C)C)(=O)OCC[N+](C(C)(C)C)(C)C Chemical compound [Cl-].C(C(=C)C)(=O)OCC[N+](C(C)(C)C)(C)C YXYZMHGSOKYZAF-UHFFFAOYSA-M 0.000 claims description 3
- 239000008139 complexing agent Substances 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- UNIJBMUBHBAUET-UHFFFAOYSA-N 3-(methylamino)propanenitrile Chemical compound CNCCC#N UNIJBMUBHBAUET-UHFFFAOYSA-N 0.000 claims description 2
- JCIJFIJVPXWAPX-UHFFFAOYSA-N 4,5-dihydro-1h-imidazole;propane Chemical compound CCC.C1CN=CN1 JCIJFIJVPXWAPX-UHFFFAOYSA-N 0.000 claims description 2
- XRUKRHLZDVJJSX-UHFFFAOYSA-N 4-cyanopentanoic acid Chemical compound N#CC(C)CCC(O)=O XRUKRHLZDVJJSX-UHFFFAOYSA-N 0.000 claims description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 claims description 2
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 2
- 150000003926 acrylamides Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 229940093476 ethylene glycol Drugs 0.000 claims description 2
- 229940051250 hexylene glycol Drugs 0.000 claims description 2
- DILRJUIACXKSQE-UHFFFAOYSA-N n',n'-dimethylethane-1,2-diamine Chemical compound CN(C)CCN DILRJUIACXKSQE-UHFFFAOYSA-N 0.000 claims description 2
- 230000033116 oxidation-reduction process Effects 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 claims description 2
- 229940099427 potassium bisulfite Drugs 0.000 claims description 2
- 235000010259 potassium hydrogen sulphite Nutrition 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- VYGBQXDNOUHIBZ-UHFFFAOYSA-L sodium formaldehyde sulphoxylate Chemical compound [Na+].[Na+].O=C.[O-]S[O-] VYGBQXDNOUHIBZ-UHFFFAOYSA-L 0.000 claims description 2
- 229940079827 sodium hydrogen sulfite Drugs 0.000 claims description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 2
- 235000010265 sodium sulphite Nutrition 0.000 claims description 2
- 150000007984 tetrahydrofuranes Chemical class 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims 2
- NVXPGYQFMHYZPB-UHFFFAOYSA-N CCCl(C)(C)(C)OC(=O)C=C Chemical group CCCl(C)(C)(C)OC(=O)C=C NVXPGYQFMHYZPB-UHFFFAOYSA-N 0.000 claims 1
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 claims 1
- 239000002274 desiccant Substances 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 claims 1
- 235000019252 potassium sulphite Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 229920002401 polyacrylamide Polymers 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 102400000830 Saposin-B Human genes 0.000 abstract 1
- 101800001697 Saposin-B Proteins 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 150000003254 radicals Chemical class 0.000 abstract 1
- 238000009938 salting Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 238000011056 performance test Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000002202 Polyethylene glycol Substances 0.000 description 8
- 229920001223 polyethylene glycol Polymers 0.000 description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 7
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 7
- 235000019270 ammonium chloride Nutrition 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 7
- 150000003863 ammonium salts Chemical class 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- UEEJHVSXFDXPFK-UHFFFAOYSA-O N-dimethylethanolamine Chemical compound C[NH+](C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-O 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920006322 acrylamide copolymer Polymers 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000004815 dispersion polymer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 238000005354 coacervation Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 235000019394 potassium persulphate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The present invention provides a kind of response type dispersant and the preparation method of polyacrylamide aqueous emulsion, and the method preparing this aqueous emulsion includes: first prepare a kind of response type dispersant；Then, in the presence of salting liquid system and dispersant, equalize number of free radical by multistage composite initiation system, carry out the aqueous emulsion dispersin polymerization of acrylamide and cationic monomer.It is high that this aqueous emulsion product has dissolving rapidly, HMW, good fluidity and stability, can be widely used in every profession and trade water treatment field.
Description
Technical field
The invention belongs to Polymer Synthesizing field, relate to the preparation side of a kind of PAMC aqueous emulsion product
Method.
Background technology
Polyacrylamide is referred to as " all trades auxiliary agent ", PAMC therein (CPAM) be then apply the widest
One of general kind.CPAM is the acrylamide copolymer of cation construction unit, and strand is ionizable in water to be gone out to gather sun
Ion and little anion, the addition of CPAM cationic increases polymer to electronegative colloid, polymer and solid
The absorption cementitiousness on surface, can cause stronger charge neutrality effect, enhances its absorption, bonds, decolours, precipitates and wad a quilt with cotton
Solidifying grade acts on, and is particularly well-suited to paper technology, food industry, architectural engineering, metallurgical engineering, ore dressing coal dust, oil recovery industry, aquatic products
Sewage in the industry that the organic colloid content such as processing and fermentation are higher and the process of waste water.
Aqueous two-phase dispersion copolymerization method is a kind of novel method preparing water-soluble polymer, utilizes this new method can be by
The dissolving of one or more water-soluble monomers is dispersed in the aqueous solution in the presence of dispersant, is polymerized under certain condition, is formed
Immiscible water-soluble polymer dispersion, is also aqueous polymer dispersion.
It is relatively low that aqueous emulsion reaction system has viscosity, and solid content is big, can prepare the water solubility that relative molecular mass is bigger
Polymer, the shortcoming which overcoming traditional aqueous polymerization, during preparation and use, there is not organic solvent pollution problem,
And aqueous emulsion product dissolves rapidly, can directly dilute use, therefore have broad application prospects and the value of environmental protection.
At present, the report of the preparation method of research aqueous emulsion is few both at home and abroad, and properties of product are the most perfect.Subject matter
Concentrate in the dispersion stabilization difference of aqueous emulsion product and the effective content of CPAM and the low these two aspects of molecular weight.In order to solve this
Two problems, technical staff has done substantial amounts of research work.With tertiary butanol aqueous solution for dividing in patent CN201210097234.3
CPAM aqueous emulsion prepared by powder, and result shows the CPAM aqueous emulsion poor stability prepared using the tert-butyl alcohol as dispersant, when depositing
Between the longest.The CPAM molecular weight of preparation is on the low side, less than 3,500,000.For the chain overcoming small molecular alcohol to cause as dispersant
The problems such as transfer is strong, (Liu expires document again, " double-aqueous phase polymerization method synthesizing cationic polyacrylamide and flocculating property thereof ", should
With chemistry, 2010,28 (8): 874 ~ 878) provide and a kind of substitute the tert-butyl alcohol dispersant as reaction system using polyethylene glycol,
Prepare the aqueous emulsion that a kind of dispersion stabilization is good, but in the method, polyethylene glycol consumption is the biggest so that cost is inclined
Height, and the viscosity of emulsion system is high, poor fluidity, and the molecular weight of CPAM is low.What recently Improvement was most is by sun from
Obtained by sub-monomer homopolymerization, low molecular weight cationic polymer is as dispersant, achieves good result.Such as patent
CN102321213B provides with the cationic monomers such as acrylyl oxy-ethyl-trimethyl salmiac depositing at molecular weight regulator
At dispersant obtained by lower homopolymerization.And prepared dispersiveness and the preferable higher molecular of mobility by homemade dispersant
The aqueous emulsion product of amount CPAM, but the stability of this aqueous emulsion product is unknown, and also the molecular weight of dispersant controls and water and milk
It is high that liquid polymerization technique controls difficulty.
In current most aqueous emulsion preparation technology, due to " gel effect " in polyacrylamide polymerization mechanism, instead
There is autoacceleration process during Ying so that the polymerization speed of acrylamide copolymer have substantially exceed from dispersion separate out
The possibility of speed, if controlling improper, be easy to get gel products very much, causes and is polymerized unsuccessfully.
Summary of the invention
It is an object of the invention to overcome some shortcomings of existing CPAM aqueous emulsion product preparation process, it is provided that a kind of effective
Content is high, molecular weight is high, the preparation method of easy to operate easily-controllable CPAM aqueous emulsion product.
Another object of the present invention is to provide a kind of system viscosity less than 200mPaS, good fluidity, dissolution velocity
Hurry up, can be at the not stratified high stable CPAM aqueous emulsion product of 24 months long-term storage.
For reaching above technical purpose, the present invention realizes by the following technical solutions.
The preparation method of a kind of PAMC aqueous emulsion product, is made by the response type polymeric monomer shown in formula (1)
For dispersant, acrylamide and cationic monomer copolymerization form,
Formula (1), in formula (1), m is
The degree of polymerization of polymer segment cation in macromonomer；N is the degree of polymerization of vinylpyrrolidone in macromonomer；A is 2
～3；A is H or CH3, B is O or atom N.
The mean molecule quantity of polymeric monomer dispersant is 2 × 105～8 × 105。
Described PAMC aqueous emulsion, its dissolution time is less than 10min.
Described PAMC aqueous emulsion, its molecular weight is more than 8,000,000.
Described PAMC aqueous emulsion, its product system viscosity is less than 400 mPa s.
The preparation method of polymeric monomer dispersant is:
The cationic monomer of 20～30 parts and the N-vinylpyrrolidone of 0～5 part are added in reactor by step 1), add
The solvent of 30～100 parts dissolves；Nitrogen deoxygenation 15～30 minutes it are passed through in reactor；0.01～1 part is added in reactor
Chain-transferring agent and the initiator of 0.001～0.05 part；Stirring reaction 4～6 hours at 60～70 DEG C；Add NaOH molten
Liquid regulation pH value is to 7～9, and decompression pumps most solvent, precipitates three times with 10～50 parts of precipitating reagents, centrifugation, is dried
Obtain white solid polymeric monomer precursor, its structural formula as the formula (2):
Formula (2)
Step 2) in reactor, add the polymeric monomer precursor of aforementioned 10～20 parts and the oxolane of 50～100 parts, molten
Solve uniformly；1～10 part of acryloyl chloride is dissolved in 20～50 parts of oxolanes, joins in above-mentioned solution under stirring, drip simultaneously
Add a certain amount of aqueous sodium carbonate, control reaction temperature at 0～4 DEG C with the jacket reactor of band refrigerant；React 2～4 hours
After, it is warming up to room temperature；Decompression pumps solvent, precipitates three times, obtain white solid response type after drying in 10～50 parts of ether
Dispersant, its structural formula is as the formula (1).
Described PAMC aqueous emulsion, preparation method is: by the acrylamides of 5～10 parts, 1～7 part
The molecular weight of cationic monomer, the above-mentioned response type dispersant of 0.1～2 part, the ammonium sulfate of 20～35 parts and 0.1～4 part is
The polyethylene glycol of 20000 joins in reactor, adds the chain extender of 0.001～0.05 part and the complexing of 0.001～0.01 part
Agent, adds the deionized water of 40～60 parts, stirring and dissolving, and regulating pH with NaOH solution and dilute sulfuric acid is 5～8, logical nitrogen deoxygenation
After 15～40min, the oxidationreduction being warming up to 30～35 DEG C of Oxidizing and Reducing Agents compositions adding 0.0001～0.01 part draws
Send out agent, regulate mixing speed, after system becomes milky, add the azo initiator of 0.0001～0.01 part, be warming up to
After 50～55 DEG C are continued reaction 4～6h, add the ammonium sulfate of 2～5 parts, after cooling, i.e. obtain the stable of favorable dispersibility
CPAM aqueous emulsion product, in described PAMC aqueous emulsion preparation process, cationic monomer is selected from acryloyl-oxy
Ethyl-trimethyl salmiac, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, acryloxyethyldimethyl benzyl ammonium chloride, first
One in base acryloxyethyldimethyl benzyl ammonium chloride, 2-acrylamido-2-trimethoxysilyl propyl methacrylate ammonium chloride or
Two kinds；Chain extender is selected from N, N-dimethylethanolamine, ethylene glycol, hexylene glycol, N, N-dimethyl-ethylenediamine, N, N-tetramethyl second two
One or more in amine, triethylene tetramine, DMPM 3 methylaminopropionitrile；Complexing agent is EDTA；Oxidant is selected from ammonium persulfate, mistake
One or more in sodium sulphate, potassium peroxydisulfate, hydrogen peroxide and 2-methylethyl ketone peroxide；Reducing agent is selected from ammonium sulfite, sulfurous acid
One or more in potassium, sodium sulfite, ammonium bisulfite, sodium hydrogensulfite, potassium bisulfite and sodium formaldehyde sulphoxylate；
Azo series initiators be 2,2 '-azo (2-amidine propane) dihydrochloride, 2,2 '-azo (2-imidazoline propane) dihydrochloride and
One or more in 4,4 '-azo double (4-cyanopentanoic acid).
Relative to prior art, there is advantages that present invention employs and a kind of can participate in reaction
Polymeric monomer dispersant, can preferably guide and the speed of separating out that controls in polymerization process is equilibrium with polymerization speed, thus obtains
The aqueous emulsion of stably dispersing；
The present invention makes polymerization process the most controlled by segmented polymerization technique, and this method can obtain the sun of HMW
Cationic polyacrylamide, molecular weight can reach more than 8,000,000 after testing；
In aqueous emulsion product prepared by the present invention, inclusion is inorganic salts and macromolecule, overcomes easily waving of tradition use
The small organic molecule sent out, polymerization conversion ratio is high, meets the green and requirement of molecule economy synthesis, simultaneously to environment and operation people
Member is the most friendly；Aqueous emulsion product obtained by the present invention, out has that traditional aqueous product dissolution velocity is fast, good fluidity
Outside etc. feature, more excellent part is that it has good stability, can long-term storage and be not layered, coacervation.
Detailed description of the invention
The present invention is described in detail below with reference to embodiment.
In following example, the performance test of product uses following methods to carry out:
1, polycation macromer molecular weight is measured by gel permeation chromatography (GPC)；
2, solid content is measured according to the method for regulation in GB12005.2-89；
3, dissolution time is measured according to the method for regulation in GB12005.8-89；
4, measure and calculate the molecular weight of CPAM according to the method for regulation in GB12005.1-89；
5, the apparent viscosity of emulsion system is to measure with NDJ-5 type viscosimeter at 25 DEG C.
Embodiment 1
(1) synthesis of response type dispersant Disp-1
The acrylyl oxy-ethyl-trimethyl salmiac of 150kg and the N-vinylpyrrolidone of 12kg are joined two cubes instead
Answer in still, add 550kg ethanol and dissolve；Nitrogen deoxygenation it is passed through 20 minutes in reactor；The mercapto of 3.2kg is added in reactor
Base b ammonium salt hydrochlorate and the azodiisobutyronitrile of 280g.Stirring reaction 4 hours at 70 DEG C.Add sodium hydroxide solution regulation pH
Value is to 7.0, and decompression pumps most solvent, with each 60kg ether sedimentation three times, centrifugation, is dried to obtain white solid big
Monomer precursor；
In reactor, add above-mentioned polymeric monomer precursor and the 460kg oxolane of aforementioned 100kg, be uniformly dissolved；Will
18.5kg acryloyl chloride is dissolved in 80kg oxolane, joins in above-mentioned solution under stirring, is simultaneously added dropwise the carbon of 50kg 30%
Acid sodium aqueous solution, controls reaction temperature at 3 DEG C with the jacket reactor of band refrigerant；After reacting 4 hours, it is warming up to room temperature；Decompression
Pump major part solvent, precipitate three times in 60kg ether, obtain white solid response type dispersant Disp-1, molecule after drying
Measure test result and be shown in Table 1；
(2) preparation of CAPM aqueous emulsion Hyem-1
The above-mentioned response type of the acrylamide of 50kg, the acrylyl oxy-ethyl-trimethyl salmiac of 18kg, 2.5kg is disperseed
The ammonium sulfate of agent Disp-1,185kg and 3.6kg polyethylene glycol (molecular weight 20000) join in reactor, add 0.3kg's
N, N-dimethylethanolamine and the EDTA of 0.2kg, add 190kg deionized water, stirring and dissolving, adjust with NaOH solution and dilute sulfuric acid
Joint pH is 6, after logical nitrogen deoxygenation 30min, is warming up to 30 DEG C of ammonium persulfates adding 2.25g and the ammonium bisulfite of 2.25g,
Stir polymer under 200rpm, after system becomes milky, add the 2 of 5.12g, 2 '-azo (2-amidine propane) disalt
Hydrochlorate.After being warming up to 50 DEG C of continuation reaction 8h, add the ammonium sulfate of 21kg, after cooling, i.e. obtain the stable of favorable dispersibility
CPAM aqueous emulsion product Hyem-1, its performance test results is shown in Table 2.
Embodiment 2
With embodiment 1, except for the difference that change the amount of N-vinylpyrrolidone in step (1) into 5 kilograms, the acid of sulfydryl b ammonium salt
The amount of salt changes 2.0kg into, obtains corresponding product dispersant Disp-2, and molecule measuring test result is shown in Table 1；Anti-in step (2)
Answering type dispersant Disp-1 to change Disp-2 into, obtain CPAM aqueous emulsion product Hyem-2, its performance test results is shown in Table 2.
Embodiment 3
(1) synthesis of response type dispersant Disp-3
The MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride of 140kg and the N-vinylpyrrolidone of 15kg are joined two and stand
In side's reactor, add 550kg ethanol and dissolve；Nitrogen deoxygenation it is passed through 20 minutes in reactor；3.8kg is added in reactor
Sulfydryl b ammonium salt hydrochlorate and the azodiisobutyronitrile of 280g.Stirring reaction 4 hours at 70 DEG C.Add sodium hydroxide solution to adjust
Joint pH value is to 7.0, and decompression pumps most solvent, with each 60kg ether sedimentation three times, centrifugation, is dried to obtain white and consolidates
Body polymeric monomer precursor；
In reactor, add above-mentioned polymeric monomer precursor and the 460kg oxolane of aforementioned 100kg, be uniformly dissolved；Will
20.1kg acryloyl chloride is dissolved in 80kg oxolane, joins in above-mentioned solution under stirring, is simultaneously added dropwise the carbon of 55kg 30%
Acid sodium aqueous solution, controls reaction temperature at 3 DEG C with the jacket reactor of band refrigerant；After reacting 8 hours, it is warming up to room temperature；Decompression
Pump major part solvent, precipitate three times in 60kg ether, obtain white solid response type dispersant Disp-3, molecule after drying
Measure test result and be shown in Table 1；
(2) preparation of CAPM aqueous emulsion Hyem-3
The above-mentioned response type of the acrylamide of 50kg, the acrylyl oxy-ethyl-trimethyl salmiac of 18kg, 2.2kg is disperseed
The ammonium sulfate of agent Disp-3,180kg and 3.5kg polyethylene glycol (molecular weight 20000) join in reactor, add 0.3kg's
N, N-dimethylethanolamine and the EDTA of 0.2kg, add 190kg deionized water, stirring and dissolving, adjust with NaOH solution and dilute sulfuric acid
Joint pH is 6, after logical nitrogen deoxygenation 30min, is warming up to 30 DEG C of ammonium persulfates adding 2.10g and the ammonium bisulfite of 2.10g,
Stir polymer under 200rpm, after system becomes milky, add the 2 of 5.10g, 2 '-azo (2-amidine propane) disalt
Hydrochlorate.After being warming up to 50 DEG C of continuation reaction 4h, add the ammonium sulfate of 20kg, after cooling, i.e. obtain the stable of favorable dispersibility
CPAM aqueous emulsion product Hyem-3, its performance test results is shown in Table 2.
Embodiment 4
With embodiment 3, except for the difference that change the amount of N-vinylpyrrolidone in step (1) into 2 kilograms, the acid of sulfydryl b ammonium salt
The amount of salt changes 3.2kg into, obtains corresponding product dispersant Disp-4, and molecule measuring test result is shown in Table 1；Anti-in step (2)
Answering type dispersant Disp-3 to change Disp-4 into, obtain CPAM aqueous emulsion product Hyem-4, its performance test results is shown in Table 2.
Embodiment 5
(1) synthesis of response type dispersant Disp-5
The N-vinylpyrrolidone of 140kg 3-acrylamide propyl-trimethyl ammonium chloride and 20kg is joined two cubes
In reactor, add 580kg ethanol and dissolve；Nitrogen deoxygenation it is passed through 20 minutes in reactor；In reactor, add 3.6kg's
Sulfydryl b ammonium salt hydrochlorate and the azodiisobutyronitrile of 270g.Stirring reaction 4 hours at 70 DEG C.Add sodium hydroxide solution regulation
PH value is to 7.0, and decompression pumps most solvent, with each 60kg ether sedimentation three times, centrifugation, is dried to obtain white solid
Polymeric monomer precursor；
In reactor, add above-mentioned polymeric monomer precursor and the 460kg oxolane of aforementioned 100kg, be uniformly dissolved；Will
18.5kg acryloyl chloride is dissolved in 80kg oxolane, joins in above-mentioned solution under stirring, is simultaneously added dropwise the carbon of 52kg 30%
Acid sodium aqueous solution, controls reaction temperature at 3 DEG C with the jacket reactor of band refrigerant；After reacting 5 hours, it is warming up to room temperature；Decompression
Pump major part solvent, precipitate three times in 60kg ether, obtain white solid response type dispersant Disp-5, molecule after drying
Measure test result and be shown in Table 1；
(2) preparation of CAPM aqueous emulsion Hyem-3
By 50kg acrylamide, 18kg 3-acrylamide propyl-trimethyl ammonium chloride, 2.5kg above-mentioned response type dispersant
Disp-5,180kg ammonium sulfate and 3.3kg polyethylene glycol (molecular weight 20000) join in reactor, add the N, N-of 0.3kg
Dimethylethanolamine and 0.2kg EDTA, add 190kg deionized water, stirring and dissolving, regulate pH with NaOH solution and dilute sulfuric acid
It is 6, after logical nitrogen deoxygenation 30min, is warming up to 30 DEG C of ammonium persulfates adding 2.20g and the ammonium bisulfite of 2.20g, 200rpm
Lower stirring polymer, after system becomes milky, adds the 2 of 5.10g, 2 '-azo (2-amidine propane) dihydrochloride.Rise
After temperature continues reaction 8h to 50 DEG C, add the ammonium sulfate of 20kg, after cooling, i.e. obtain the stable CPAM water of favorable dispersibility
Product emulsion Hyem-5, its performance test results is shown in Table 2.
Embodiment 6
With embodiment 5, except for the difference that change the amount of N-vinylpyrrolidone in step (1) into 2 kilograms, the acid of sulfydryl b ammonium salt
The amount of salt changes 3.2kg into, obtains corresponding product dispersant Disp-6, and molecule measuring test result is shown in Table 1；Anti-in step (2)
Answering type dispersant Disp-5 to change Disp-6 into, obtain CPAM aqueous emulsion product Hyem-6, its performance test results is shown in Table 2.
Embodiment 7
(1) synthesis of response type dispersant Disp-7
By 80kg acrylyl oxy-ethyl-trimethyl salmiac, the 3-acrylamide propyl-trimethyl ammonium chloride of 60kg and
The N-vinylpyrrolidone of 10kg joins in two cubes of reactors, adds 580kg ethanol and dissolves；Nitrogen it is passed through in reactor
Deoxygenation 20 minutes；The chain-transferring agent of 3.6kg and the azodiisobutyronitrile of 270g is added in reactor.Stirring reaction at 70 DEG C
4 hours.Addition sodium hydroxide solution regulation pH value is to 7.0, and decompression pumps most solvent, with each 60kg ether sedimentation three
Secondary, centrifugation, it is dried to obtain white solid polymeric monomer precursor；
In reactor, add above-mentioned polymeric monomer precursor and the 460kg oxolane of aforementioned 100kg, be uniformly dissolved；Will
18.5kg acryloyl chloride is dissolved in 80kg oxolane, joins in above-mentioned solution under stirring, is simultaneously added dropwise the carbon of 52kg 30%
Acid sodium aqueous solution, controls reaction temperature at 3 DEG C with the jacket reactor of band refrigerant；After reacting 5 hours, it is warming up to room temperature；Decompression
Pump major part solvent, precipitate three times in 60kg ether, obtain white solid response type dispersant Disp-7, molecule after drying
Measure test result and be shown in Table 1；
(2) preparation of CAPM aqueous emulsion Hyem-7
By the acrylamide of 50kg, the 3-acrylamide propyl-trimethyl ammonium chloride of 18kg, the above-mentioned response type of 2.5kg
The ammonium sulfate of dispersant Disp-7,180kg and 3.3kg polyethylene glycol (molecular weight 20000) join in reactor, add
The N of 0.3kg, N-dimethylethanolamine and the EDTA of 0.2kg, add 190kg deionized water, stirring and dissolving, by NaOH solution and
Dilute sulfuric acid regulation pH is 6, after logical nitrogen deoxygenation 30min, is warming up to 30 DEG C of ammonium persulfates adding 2.20g and the sulfurous of 2.20g
Acid hydrogen ammonium, stirs polymer, after system becomes milky, adds the 2 of 5.10g, 2 '-azo (2-amidino groups third under 200rpm
Alkane) dihydrochloride.After being warming up to 50 DEG C of continuation reaction 8h, add the ammonium sulfate of 20kg, after cooling, i.e. obtain favorable dispersibility
Stable CPAM aqueous emulsion product Hyem-7, its performance test results is shown in Table 2.
Embodiment 8
(1) synthesis of response type dispersant Disp-8
By the acrylyl oxy-ethyl-trimethyl salmiac of 140kg, 10kg acryloxyethyldimethyl benzyl ammonium chloride and
The N-vinylpyrrolidone of 12kg joins in two cubes of reactors, adds 550kg ethanol and dissolves；Nitrogen it is passed through in reactor
Deoxygenation 20 minutes；The chain-transferring agent of 3.0kg and the azodiisobutyronitrile of 270g is added in reactor.Stirring reaction at 70 DEG C
4 hours.Addition sodium hydroxide solution regulation pH value is to 7.0, and decompression pumps most solvent, with each 60kg ether sedimentation three
Secondary, centrifugation, it is dried to obtain white solid polymeric monomer precursor；
In reactor, add above-mentioned polymeric monomer precursor and the 460kg oxolane of aforementioned 100kg, be uniformly dissolved；Will
18.5kg acryloyl chloride is dissolved in 80kg oxolane, joins in above-mentioned solution under stirring, is simultaneously added dropwise the carbon of 50kg 30%
Acid sodium aqueous solution, controls reaction temperature at 3 DEG C with the jacket reactor of band refrigerant；After reacting 5 hours, it is warming up to room temperature；Decompression
Pump major part solvent, precipitate three times in 60kg ether, obtain white solid response type dispersant Disp-8, molecule after drying
Measure test result and be shown in Table 1；
(2) preparation of CAPM aqueous emulsion Hyem-8
By the acrylamide of 50kg, the 3-acrylamide propyl-trimethyl ammonium chloride of 18kg, the above-mentioned response type of 3.2 kg
The ammonium sulfate of dispersant Disp-4,180kg and 3.0kg polyethylene glycol (molecular weight 20000) join in reactor, add
The N of 0.3kg, N-dimethylethanolamine and the EDTA of 0.2kg, add 190kg deionized water, stirring and dissolving, by NaOH solution and
Dilute sulfuric acid regulation pH is 6, after logical nitrogen deoxygenation 30min, is warming up to 30 DEG C of ammonium persulfates adding 2.10g and the sulfurous of 2.10g
Acid hydrogen ammonium, stirs polymer, after system becomes milky, adds the 2 of 5.10g, 2 '-azo (2-amidino groups third under 200rpm
Alkane) dihydrochloride.After being warming up to 50 DEG C of continuation reaction 8h, add the ammonium sulfate of 20kg, after cooling, i.e. obtain favorable dispersibility
Stable CPAM aqueous emulsion product Hyem-8, its performance test results is shown in Table 2.
The molecule measuring test result of dispersant in each embodiment of table 1
The performance test results of CPAM aqueous emulsion product in each embodiment of table 2
Claims (7)
1. the preparation method of a PAMC aqueous emulsion product, it is characterised in that: by the response type shown in formula (1)
Polymeric monomer, as dispersant, is formed by acrylamide and cationic monomer copolymerization,
Formula (1), in formula (1), m is big point
The degree of polymerization of polymer segment cation in sub-monomer；N is the degree of polymerization of vinylpyrrolidone in macromonomer；A is 2～3；
A is H or CH3, B is O or atom N.
The preparation method of a kind of PAMC aqueous emulsion product the most according to claim 1, it is characterised in that:
The mean molecule quantity of polymeric monomer dispersant is 2 × 105～8 × 105。
The preparation method of a kind of PAMC aqueous emulsion product the most according to claim 1, it is characterised in that:
Described PAMC aqueous emulsion, its dissolution time is less than 10min.
The preparation method of a kind of PAMC aqueous emulsion product the most according to claim 1, it is characterised in that:
Described PAMC aqueous emulsion, its molecular weight is more than 8,000,000.
The preparation method of a kind of PAMC aqueous emulsion product the most according to claim 1, it is characterised in that:
Described PAMC aqueous emulsion, its product system viscosity is less than 400 mPa s.
The preparation method of a kind of PAMC aqueous emulsion product the most according to claim 1, it is characterised in that:
The preparation method of polymeric monomer dispersant is:
The N-vinylpyrrolidone of the cationic monomer of 20～30 parts and 0～5 part is added in reactor by step 1), add 30～
The solvent of 100 parts dissolves；Nitrogen deoxygenation 15～30 minutes it are passed through in reactor；The chain of 0.01～1 part is added in reactor
Transfer agent and the initiator of 0.001～0.05 part；Stirring reaction 4～6 hours at 60～70 DEG C；Add sodium hydroxide solution to adjust
Joint pH value is to 7～9, and decompression pumps most solvent, precipitates three times with 10～50 parts of precipitating reagents, centrifugation, is dried to obtain
White solid polymeric monomer precursor, its structural formula as the formula (2):
Formula (2)
Step 2) in reactor, add the polymeric monomer precursor of aforementioned 10～20 parts and the oxolane of 50～100 parts, dissolve all
Even；1～10 part of acryloyl chloride is dissolved in 20～50 parts of oxolanes, joins in above-mentioned solution under stirring, be simultaneously added dropwise one
Quantitative aqueous sodium carbonate, controls reaction temperature at 0～4 DEG C with the jacket reactor of band refrigerant；After reacting 2～4 hours, rise
Warm to room temperature；Decompression pumps solvent, precipitates three times in 10～50 parts of ether, obtains the dispersion of white solid response type after drying
Agent, its structural formula is as the formula (1).
The preparation method of a kind of PAMC aqueous emulsion product the most according to claim 1, it is characterised in that:
Described PAMC aqueous emulsion, preparation method is: by the acrylamides of 5～10 parts, the cation mono of 1～7 part
The poly-second that molecular weight is 20000 of body, the above-mentioned response type dispersant of 0.1～2 part, the ammonium sulfate of 20～35 parts and 0.1～4 part
Glycol joins in reactor, adds the chain extender of 0.001～0.05 part and the complexing agent of 0.001～0.01 part, add 40～
The deionized water of 60 parts, stirring and dissolving, regulating pH with NaOH solution and dilute sulfuric acid is 5～8, after logical nitrogen deoxygenation 15～40min,
Being warming up to 30～35 DEG C of oxidation-reduction initiators adding the Oxidizing and Reducing Agents composition of 0.0001～0.01 part, regulation is stirred
Mix speed, after system becomes milky, add the azo initiator of 0.0001～0.01 part, be warming up to 50～55 DEG C of continuation
After reaction 4～6h, adding the ammonium sulfate of 2～5 parts, the stable CPAM aqueous emulsion i.e. obtaining favorable dispersibility after cooling is produced
Product, in described PAMC aqueous emulsion preparation process, cationic monomer is selected from acrylyl oxy-ethyl-trimethyl chlorine
Change ammonium, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, acryloxyethyldimethyl benzyl ammonium chloride, methacryloxypropyl second
One or both in base dimethyl benzyl ammonium chloride, 2-acrylamido-2-trimethoxysilyl propyl methacrylate ammonium chloride；Chain extender selects
From N, N-dimethylethanolamine, ethylene glycol, hexylene glycol, N, N-dimethyl-ethylenediamine, N, N-tetramethylethylenediamine, triethylene four
One or more in amine, DMPM 3 methylaminopropionitrile；Complexing agent is EDTA；Oxidant is selected from ammonium persulfate, sodium peroxydisulfate, over cure
One or more in acid potassium, hydrogen peroxide and 2-methylethyl ketone peroxide；Reducing agent selected from ammonium sulfite, potassium sulfite, sodium sulfite,
One or more in ammonium bisulfite, sodium hydrogensulfite, potassium bisulfite and sodium formaldehyde sulphoxylate；Azo series initiators
It is that 2,2 '-azo (2-amidine propane) dihydrochloride, 2,2 '-azo (2-imidazoline propane) dihydrochloride and 4,4 '-azo are double
One or more in (4-cyanopentanoic acid).
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