CN102060950A - Method for preparing homopolymer and copolymer of dimethyl diallyl ammonium chloride - Google Patents
Method for preparing homopolymer and copolymer of dimethyl diallyl ammonium chloride Download PDFInfo
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- ammonium chloride
- dimethyl diallyl
- diallyl ammonium
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- 238000000034 method Methods 0.000 title claims abstract description 40
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 title claims abstract description 27
- 229920001519 homopolymer Polymers 0.000 title claims abstract description 13
- 229920001577 copolymer Polymers 0.000 title claims abstract description 11
- 239000003999 initiator Substances 0.000 claims abstract description 26
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 22
- 239000000178 monomer Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000000977 initiatory effect Effects 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 14
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 125000002091 cationic group Chemical group 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims abstract description 7
- -1 azo compound Chemical class 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000000084 colloidal system Substances 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000012966 redox initiator Substances 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000004160 Ammonium persulphate Substances 0.000 claims description 7
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 7
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 7
- 229910001507 metal halide Inorganic materials 0.000 claims description 7
- 150000005309 metal halides Chemical class 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 235000019270 ammonium chloride Nutrition 0.000 claims description 6
- 238000006392 deoxygenation reaction Methods 0.000 claims description 6
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical group [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 5
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 4
- 230000002829 reductive effect Effects 0.000 claims description 4
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 claims description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 4
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 2
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 claims description 2
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 2
- 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 claims description 2
- 239000004159 Potassium persulphate Substances 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 239000008139 complexing agent Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 235000019394 potassium persulphate Nutrition 0.000 claims description 2
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 2
- YIOJGTBNHQAVBO-UHFFFAOYSA-N dimethyl-bis(prop-2-enyl)azanium Chemical group C=CC[N+](C)(C)CC=C YIOJGTBNHQAVBO-UHFFFAOYSA-N 0.000 claims 4
- 229920006322 acrylamide copolymer Polymers 0.000 claims 2
- 229920001897 terpolymer Polymers 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 18
- 239000007864 aqueous solution Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract 2
- 239000002671 adjuvant Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000033116 oxidation-reduction process Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 15
- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000379 polymerizing effect Effects 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention relates to a method for preparing a homopolymer and a copolymer of dimethyl diallyl ammonium chloride by chemical initiation and assisted illumination initiation. The method is characterized by taking cationic monomers such as dimethyl diallyl ammonium chloride and the like and an acrylamide monomer with industrial grade as raw materials and preparing the homopolymer and the copolymer of the dimethyl diallyl ammonium chloride by an aqueous solution polymerization method through chemical initiation and assisted illumination initiation technologies without refinement. The method comprises the following steps: mixing the corresponding monomers at a certain ratio, and adding deionized water to the obtained mixture so that the monomer concentration reaches 25%-80%; adding a certain amount of oxidation reduction/water-soluble azo compound initiators and other adjuvants, and moving a reactor to a light source for light-initiated polymerization; and granulating, drying and crushing the obtained colloid to finally obtain the product. Compared with the traditional signal chemical initiation, the method provided by the invention has the advantages of no need of special refinement on the raw materials, less initiator consumption, low initiation temperature, short polymerization time and the like, operation is simple and easy to control, and the obtained product has good dissolubility; and a series of products with higher molecular weight can be obtained by utilizing the method.
Description
Technical field
The present invention relates to the method that a kind of aqua-solution method prepares high molecular weight water soluble polymer, be specifically related to the method that a kind of chemistry initiation and the auxiliary aqua-solution method that causes of rayed prepare dimethyl diallyl ammonium chloride homopolymer and multipolymer.
Background technology
The dimethyl diallyl ammonium chloride homopolymer and with acrylamide (AM), acrylyl oxy-ethyl-trimethyl salmiac monomeric multipolymers such as (DAC) be the important water-soluble cationic polyelectrolyte of a class, be widely used in fields such as oil production, papermaking, mining, textile printing and dyeing and water treatment.As a kind of water-soluble cationic polymkeric substance, its purposes depends primarily on the size of relative molecular weight and the height of cationic degree, and therefore the requirement to polymerization technique is the polymeric articles that can both make higher relative molecular weight under different cationic degrees.
The method for preparing dimethyl diallyl ammonium chloride homopolymer and multipolymer mainly contains water solution polymerization process and reversed emulsion polymerization.Polyreaction adopts chemical initiator to cause mostly.Simple chemical initiator causes water solution polymerization process and has following problem: to the purity requirement height of starting monomer especially cationic monomer, limited the further industrialization of technology of preparing; Although can adopt the raw material monomer of technical grade, the molecular weight of products therefrom is lower; Need temperature-gradient method polymerization, complex operation, long reaction time etc.For example, Liu Maogang etc. [chemistry and biotechnology, 2006,23 (3): 18-20.] are monomer with the dimethyl diallyl ammonium chloride and the acrylamide of technical grade, with K
2S
2O
8-NaHSO
3-AAP2HCl is an initiator, first low temperature (20 ℃) reaction 3h, back high temperature (50 ℃) reaction 12h, resulting polymers intrinsic viscosity 11.0dL/g (molecular weight about 5,900,000).It is monomer that Zhang Wanzhong etc. [chemical industry journal, 2005,56 (10): 1998-2003] adopt through special purified dimethyl diallyl ammonium chloride and acrylamide, with AIBA2HCl-NaHSO
3Be initiator, behind reaction 5h under 30 ℃, 60 ℃ are incubated 1h down, obtain polymer intrinsic viscosity 13.6dL/g (molecular weight about 8,100,000).It is raw material that Zhong Hong etc. [using chemical industry, 2008,37 (2): 117-120] adopt purified acrylamide and analytical pure dimethyl diallyl ammonium chloride, with K
2S
2O
8-NaHSO
3-V50 is an initiator, reacts 16h down at 30 ℃, and the intrinsic viscosity of resulting polymers can reach 1,200 ten thousand, but the cationic degree of product only is 5%.Cause existing above-mentioned defective for overcoming simple chemical initiator, CN101298489A is initiator with the persulphate, adopts ultraviolet lamp catalysis to cause method, and the preparation of acrylamide and dimethyl diallyl ammonium chloride copolymer is studied.Its weak point is the cationic degree narrow limits (having only 15%～30%) of products therefrom, has limited the producing in serial form of product; Persulfate initiator consumption too high (be monomer total mass 0.01%～1%) causes the molecular weight of products therefrom not high.Therefore,, adopt the auxiliary elicitation technique of chemical initiator and rayed, the technology of preparing of dimethyl diallyl ammonium chloride homopolymer and multipolymer is studied for further overcoming existing technology drawback.
Summary of the invention
The present invention proposes the novel method that a kind of chemistry initiation and the auxiliary water solution polymerization process that causes of rayed prepare dimethyl diallyl ammonium chloride homopolymer and multipolymer.This method initiator cause and light-initiated acting in conjunction under, adopt water solution polymerization process to prepare dimethyl diallyl ammonium chloride homopolymer and multipolymer, have do not need to starting monomer carry out special purified, initiator amount is few, kick off temperature is low, the reaction times is short, easy control simple to operate, product solvability are good, and can obtain the advantages such as tandem product of higher molecular weight.
The concrete scheme that the present invention adopts is: the dimethyl diallyl ammonium chloride that measures, corresponding comonomer, deionized water and other auxiliary agents are added reactor, stir, regulate pH to required value, letting nitrogen in and deoxidizing.Add a certain amount of initiator then, reactor is transferred to light source place, initiated polymerization at a certain temperature.Product is pulverized through colloid granulation, oven dry, promptly gets the copolymer powder product.Molecular weight of product 500～1,000 ten thousand of adopting this method to make, cationic degree 5%～100%.
Of the present invention and the monomer dimethyl diallyl ammonium chloride copolymerization is acrylamide and/or acrylyl oxy-ethyl-trimethyl salmiac and/or methylacryoyloxyethyl trimethyl ammonium chloride etc., above-mentioned raw material monomer can directly use technical grade product without any special processing.
Redox initiator of the present invention can be single redox initiator or the compound initiator be made up of redox initiator and water-soluble azo compounds.Wherein oxygenant is a persulphate, comprises Sodium Persulfate, Potassium Persulphate and ammonium persulphate etc.Reductive agent is sodium bisulfite, rongalite and ferrous sulfate etc.Water-soluble azo compounds is V50 and VA-044 etc.Wherein the consumption of oxygenant is generally 0.0002%～0.01% of reaction solution total mass, is preferably 0.0005%～0.004%; The consumption of reductive agent is generally 0.0002%～0.01% of reaction solution total mass, is preferably 0.0005%～0.004%; The consumption of water-soluble azo compounds is generally 0.0005%～0.01% of reaction solution total mass, is preferably 0.001%～0.005%.
Other auxiliary agents of the present invention are optional, can choose interpolation as required wantonly, comprise resembling such solubility promoter of EDTA disodium salt or four sodium such complexing agent, urea and thiocarbamide etc.
The described kick off temperature a wider range of the inventive method generally at 0～50 ℃, is preferably in 5～30 ℃.
The add-on of the described deionized water of the inventive method depends on the monomer concentration in the polymerization system, and the monomer concentration in the general polymerization system is 25%～80%, is preferably 30%～60%.
The mass content (be cationic degree) of cationic monomer in polymkeric substance such as dimethyl diallyl ammonium chloride of the present invention and acrylyl oxy-ethyl-trimethyl salmiac can be 5%～100%.
The described light source of the inventive method is a metal halide lamp.
Operation such as the described letting nitrogen in and deoxidizing of the inventive method, colloid granulation, oven dry, pulverizing is basic identical with prior art.
The present invention be initiator cause and light-initiated acting in conjunction under, adopt water solution polymerization process to prepare dimethyl diallyl ammonium chloride homopolymer and multipolymer, have do not need to starting monomer carry out special purified, initiator amount is few, kick off temperature is low, the reaction times is short, easy control simple to operate, product solvability are good, and can obtain the advantages such as tandem product of higher molecular weight.
Specific implementation method
Below in conjunction with embodiment method of the present invention is described further, but is not limitation of the invention, wherein used polymerization single polymerization monomer is technical grade product and without any refinement treatment.
Embodiment 1: the 57g acrylamide and the 5g dimethyl diallyl ammonium chloride aqueous solution (the quality percentage composition is 60%) are mixed, add the 117.4g deionized water, stir, above mixture is fed the nitrogen deoxygenation and is adjusted to 25 ℃, add azo-initiator VA-044 then, consumption is 0.002% of a reaction solution total mass, and redox initiator rongalite and ammonium persulphate consumption are 0.002% of reaction solution total mass, and above mixture is positioned over irradiation 30min under the metal halide lamp.Product is cooled to granulation after the room temperature, and oven dry is pulverized, and promptly gets the copolymer powder product.The products therefrom molecular weight is 1,000 ten thousand.
Embodiment 2: the 48g acrylamide and the 20g dimethyl diallyl ammonium chloride aqueous solution (the quality percentage composition is 60%) are mixed, add the 115.4g deionized water, stir, above mixture is fed the nitrogen deoxygenation and is adjusted to 20 ℃, add azo-initiator V-50 then, consumption is 0.002% of a reaction solution total mass, redox initiator sodium bisulfite and ammonium persulphate consumption are 0.001% of reaction solution total mass, above mixture is positioned over irradiation 35min under the metal halide lamp, product is cooled to granulation after the room temperature, oven dry is pulverized, and promptly gets the copolymer powder product.The products therefrom molecular weight is 7,000,000.
Embodiment 3: the 36g acrylamide and the 40g dimethyl diallyl ammonium chloride aqueous solution (the quality percentage composition is 60%) are mixed, add the 99.4g deionized water, stir, above mixture is fed the nitrogen deoxygenation and is adjusted to 15 ℃, add azo-initiator VA-044, consumption is 0.003% of a reaction solution total mass, redox initiator rongalite and ammonium persulphate consumption are 0.003% of reaction solution total mass, above mixture is positioned over irradiation 60min under the metal halide lamp, product is cooled to granulation after the room temperature, oven dry is pulverized, and promptly gets the copolymer powder product.The products therefrom molecular weight is 9,700,000.
Embodiment 4: with the 48g acrylamide, the 10g acrylyl oxy-ethyl-trimethyl salmiac (the quality percentage composition is 80%) and the 20g dimethyl diallyl ammonium chloride aqueous solution (the quality percentage composition is 60%) mix, add the 115.4g deionized water, stir, above mixture is fed the nitrogen deoxygenation and is adjusted to 20 ℃, add azo-initiator V-50 then, consumption is 0.003% of a reaction solution total mass, redox initiator sodium bisulfite and ammonium persulphate consumption are 0.003% of reaction solution total mass, above mixture is positioned over irradiation 50min under the metal halide lamp, product is cooled to granulation after the room temperature, oven dry is pulverized, and promptly gets the copolymer powder product.The products therefrom molecular weight is 8,900,000.
Embodiment 5: with the 100g dimethyl diallyl ammonium chloride aqueous solution (the quality percentage composition is 60%) and 10g deionized water, stir, above mixture is fed the nitrogen deoxygenation and is adjusted to 25 ℃, add azo-initiator V-50 then, consumption is 0.004% of a reaction solution total mass, redox initiator sodium bisulfite and ammonium persulphate consumption are 0.006% of reaction solution total mass, above mixture is positioned over irradiation 60min under the metal halide lamp, product is cooled to granulation after the room temperature, oven dry is pulverized, and promptly gets the copolymer powder product.The products therefrom molecular weight is 5,900,000.
Comparative example 1: polymerization formula and polymerizing condition just do not have the auxiliary initiation of rayed with embodiment 1.Polymerization fully yet behind the reaction mixture placement 6h.
Comparative example 2: polymerization formula and polymerizing condition just do not have the auxiliary initiation of rayed with embodiment 2.Polymerization fully yet behind the reaction mixture placement 6h.
Comparative example 3: polymerization formula and polymerizing condition just do not have the auxiliary initiation of rayed with embodiment 3.Polymerization fully yet behind the reaction mixture placement 6h.
Comparative example 4: polymerization formula and polymerizing condition just do not have the auxiliary initiation of rayed with embodiment 4.Polymerization fully yet behind the reaction mixture placement 6h.
Comparative example 5: polymerization formula and polymerizing condition just do not have the auxiliary initiation of rayed with embodiment 5.Polymerization fully yet behind the reaction mixture placement 6h.
Claims (8)
1. method for preparing dimethyl diallyl ammonium chloride homopolymer and multipolymer, it is characterized in that adopting comonomers such as the dimethyl diallyl ammonium chloride of technical grade and acrylamide is raw material, without any refinement treatment, under chemical initiator initiation and the auxiliary acting in conjunction that causes of rayed, adopt water solution polymerization process to prepare dimethyl diallyl ammonium chloride homopolymer and multipolymer.Corresponding monomer is mixed by a certain percentage, add a certain amount of deionized water, redox/water-soluble azo class composite initiator and other auxiliary agents, logical nitrogen deoxygenation moves to reactor light source place, initiated polymerization at a certain temperature then.The granulation of products therefrom colloid, oven dry, pulverizing are promptly got product.
2. method according to claim 1, wherein said dimethyl diallyl ammonium chloride copolymer is dimethyl diallyl ammonium chloride-acrylamide copolymer, dimethyl diallyl ammonium chloride-nitrile-acrylamide-acrylic acid acyl-oxygen ethyl-trimethyl salmiac terpolymer or dimethyl diallyl ammonium chloride-acrylamide-methylacryoyloxyethyl trimethyl ammonium chloride terpolymer etc., and wherein modal is dimethyl diallyl ammonium chloride-acrylamide copolymer.
3. method according to claim 1, wherein the chemical initiator of Cai Yonging can be single redox initiator or the compound initiator be made up of redox initiator and water-soluble azo compounds.Wherein oxygenant can be persulphate, comprises Sodium Persulfate, Potassium Persulphate and ammonium persulphate etc.Reductive agent is sodium bisulfite, rongalite and ferrous sulfate etc.Water-soluble azo compounds is V50 and VA-044 etc.Wherein the consumption of oxygenant is generally 0.0002%～0.01% of reaction solution total mass, is preferably 0.0005%～0.004%; The consumption of reductive agent is generally 0.0002%～0.01% of reaction solution total mass, is preferably 0.0005%～0.004%.The consumption of water-soluble azo compounds is generally 0.0005%～0.01% of reaction solution total mass, is preferably 0.001%～0.005%.
4. method according to claim 1, wherein said other auxiliary agents are optional, can choose interpolation as required wantonly, comprise resembling such solubility promoter of EDTA disodium salt or four sodium such complexing agent, urea and thiocarbamide etc.
5. method according to claim 1, wherein kick off temperature is generally 0～50 ℃, is preferably in 5～30 ℃.
6. method according to claim 1, the add-on of deionized water depends on the monomer concentration in the polymerization system, the monomer concentration in the general polymerization system is 25%～80%, is preferably 30%～60%.
7. method according to claim 1, wherein the mass content (be cationic degree) of cationic monomer such as dimethyl diallyl ammonium chloride and acrylyl oxy-ethyl-trimethyl salmiac in polymkeric substance can be 5%～100%.
8. method according to claim 1, wherein said light source are metal halide lamp.
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| CN111747500A (en) * | 2020-07-13 | 2020-10-09 | 常州市振邦化工制造有限公司 | Flocculating agent for treating oily sewage |
| CN112409534A (en) * | 2020-11-27 | 2021-02-26 | 大庆石油管理局有限公司 | Cation auxiliary agent for treating oilfield produced water and preparation method thereof |
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| CN109535295A (en) * | 2018-11-13 | 2019-03-29 | 深圳市点石源水处理技术有限公司 | A kind of line style polydimethyl diallyl ammonium chloride and preparation method thereof |
| CN111747500A (en) * | 2020-07-13 | 2020-10-09 | 常州市振邦化工制造有限公司 | Flocculating agent for treating oily sewage |
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Application publication date: 20110518 |