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cationic polyacrylamide synthesis using method

  • [PDF] Synthesis of a cationic polyacrylamide by a ...

    Synthesis of a cationic polyacrylamide by a photocatalytic surface-initiated method and evaluation of its flocculation and dewatering performance: nano-TiO2 as a photo initiator. In the face of complex water quality changes, the application of existing cationic polyacrylamide has been largely limited. In this study, a series of cationic ...

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  • Synthesis of a cationic polyacrylamide by a

    2021-7-7 · In the present work, A cationic polyacrylamide (PAM) emulsion was synthesized from acrylamide (AM) and a cationic monomer, acryloyloxyethyltrimethyl ammonium chloride (DAC), using the dispersion polymerization method in aqueous ammonium sulfate ((NH 4) 2 SO 4) solution.

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  • Synthesis of a cationic polyacrylamide by a

    2017-3-15 · Another cationic polyacrylamide with intrinsic viscosity of 4.2 dL g −1 was synthesized in 120 min from aqueous photo-polymerization; a 200-W high-pressure mercury lamp was used in polymerization . Moreover, these studies also reported the improvement in …

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  • A cationic polyacrylamide dispersion synthesis by ...

    2019-4-23 · Synthesis of cationic polyacrylamides (CPAMs) by introducing cationic polymer precursors followed by chain extension of acrylamide (AM) homopolymer blocks via RAFT polymerization is a promising approach for engineering high-performance CPAMs. However, the aqueous solution polymerization of AM usually leads to high viscosity, thus limiting the solid content in the …

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  • Synthesis of cationic polyacrylamide by low-pressure

    2019-4-23 · Synthesis of cationic polyacrylamides (CPAMs) by introducing cationic polymer precursors followed by chain extension of acrylamide (AM) homopolymer blocks via RAFT polymerization is a promising approach for engineering high-performance CPAMs.

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  • Synthesis of block cationic polyacrylamide precursors ...

    2020-9-23 · Synthesis of Acrylamide (AM), Diallyl Dimethyl Ammonium Chloride Propylene (DADMAC) and Acryloyloxyethyltrimethyl ammonium chloride (DAC) (PADD) were carried by UV-initiated polymerization, and polyacrylamide (PAM) as contrast sample.

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  • Synthesis and characterization of a novel cationic ...

    Polyacrylamide production methods are solution polymerization, emulsion and inverse emulsion polymerization and radiation polymerization method. 1 solution polymerization Aqueous solution polymerization is the traditional method of production of polyacrylamide, using this method can produce polyacrylamide gels and powder products.

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  • Synthesis of the Hydrophobic Cationic Polyacrylamide

    2020-1-2 · Synthesis of the Hydrophobic Cationic Polyacrylamide (PADD) Initiated by Ultrasonic and ... treatment [12–14]. Cationic polyacrylamide (CPAM) is one of the most widely used flocculants for separating colloidal suspensions. Positively charged CPAM can completely neutralize negatively ... It is an environmentally friendly initiation method and

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  • Synthesis and application of a cationic polyacrylamide

    2021-6-20 · Full Article. Synthesis and Application of a Cationic Polyacrylamide Dry Strength Agent with Anionic Content. Guangyan Wang and Yi Jing* A new net-cationic polyacrylamide dry strength agent was synthesized through free radical polymerization using acrylamide (AM), itaconic acid (IA), N,N-dimethylacrylamide (F), and sodium methallyl sulfonate (T).

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  • Synthesis of cationic polyacrylamide by low-pressure

    2017-3-15 · 2.3. Measurement of intrinsic viscosity and positive charge density. The intrinsic viscosity of the PADC was measured by one point method accurately .The flow time of the copolymer solutions in capillary tube was acquired using Ubbelohde viscometer (capillary diameter 0.5–0.6 mm) at (30 ± 0.1) °C.The positive charge density of the PDAC was determined by titration method .

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  • Synthesis of High Molecular Weight Cationic

    Cationic polyacrylamide is a derivative of polyacrylamide, a cationic polymer flocculant which has an excellent effect on sewage treatment. Our existing cationic polyacrylamide are mostly prepared by the Mannich reaction ,which has the shortcomings of more unreacted material, low cationic degree, poor stability, short validity, etc. Therefore, a cationic polyacrylamide has been prepared by ...

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  • Synthesis of nanocomposites from cationic

    2018-10-18 · Carbon black was modified using various liquid‐phase oxidation methods (modified carbon black = m‐CB, m = (1, 2, 3): 1, sulfuric acid/potassium permanganate method; 2, nitric acid method; 3, hydrogen peroxide method).With acetone–ethylene glycol as initiator, dimethyldiallylammonium chloride (DMDAAC) and acrylamide (AM) as monomer, cationic polyacrylamide (CPAM) was prepared by UV ...

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  • Synthesis and characterization of a novel cationic ...

    2020-9-23 · In this study, we investigated the method of a new cationic polyacrylamide flocculants. PADD was prepared by UV initiation polymerization. The cationic flocculants were characterized by FTIR, TG DSC, 1 H NMR and SEM. Therefore, results shows that PADD and PAM are not only simple physical mixtures, they have bond interaction and mutual ...

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  • Synthesis of a Cationic Polyacrylamide under UV

    2.3. Characterization of Copolymers. The intrinsic viscosities and the cationic degree (CD) of polymers were determined by using an Ubbelohde viscosity meter (Shanghai Shenyi Glass Instrumental Co. Ltd., China) at 30°C and colloid titration method, respectively [15, 18].In addition, the FT-IR spectra of polymers were conducted on a 550 Series II infrared spectrometer (Mettler Toledo ...

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  • The method of Polyacrylamide production technology

    The method has simple production safety, process equipment and low cost of production, etc., is currently abroad method commonly used in the production of polyacrylamide. Using this method of production of polyacrylamide disc polymerization earliest use hand-workshop-style, then using a kneading machine.

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  • Synthesis and Characterization of Different Molecular ...

    2017-4-27 · This method was repeated twice. Potassium persulfate was recrystallized twice from distilled water at 100ºC (boiling point of distilled water) using the same procedure described above. The rest of the chemicals were used without further purification. Synthesis of different molecular weight polyacrylamides Acrylamide monomer is crystalline.

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  • Synthesis and characterization of amphoteric ...

    2018-6-10 · Synthesis and characterization of amphoteric polyacrylamide by dispersion polymerization in aqueous salts solution Y. Zou, Y.H. Zhang and P.X. He* Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, P.R. China

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  • Synthesis and application of a cationic polyacrylamide

    2021-6-20 · Full Article. Synthesis and Application of a Cationic Polyacrylamide Dry Strength Agent with Anionic Content. Guangyan Wang and Yi Jing* A new net-cationic polyacrylamide dry strength agent was synthesized through free radical polymerization using acrylamide (AM), itaconic acid (IA), N,N-dimethylacrylamide (F), and sodium methallyl sulfonate (T).

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  • Synthesis of nanocomposites from cationic

    2018-10-18 · Carbon black was modified using various liquid‐phase oxidation methods (modified carbon black = m‐CB, m = (1, 2, 3): 1, sulfuric acid/potassium permanganate method; 2, nitric acid method; 3, hydrogen peroxide method).With acetone–ethylene glycol as initiator, dimethyldiallylammonium chloride (DMDAAC) and acrylamide (AM) as monomer, cationic polyacrylamide (CPAM) was prepared by UV ...

    Get Price
  • Synthesis of High Molecular Weight Cationic

    Cationic polyacrylamide is a derivative of polyacrylamide, a cationic polymer flocculant which has an excellent effect on sewage treatment. Our existing cationic polyacrylamide are mostly prepared by the Mannich reaction ,which has the shortcomings of more unreacted material, low cationic degree, poor stability, short validity, etc. Therefore, a cationic polyacrylamide has been prepared by ...

    Get Price
  • Synthesis Star-Shaped Cationic Polyacrylamide-

    Synthesis Star-Shaped Cationic Polyacrylamide- Dimethyl- Diallyl- Ammonium- Chloride by 'Core-First' Method p.2049 Study on Thermal Conductivity of Metal/Polymer Composites Based on Software ANSYS

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  • Synthesis and Characterization of Starch-based Cationic ...

    2016-5-18 · Pretreatments of starch using acid, alkaline, and microwave did not significantly affect the DS and RE. The resultant cationic starch flocculants and cationic polyacrylamide (CPAM), a commercial flocculant, were tested in harvesting experiments involving live algae grown in fresh water or animal manure. The harvest efficiency was affected by

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  • Research Article Synthesis, Characterization, and ...

    2019-7-31 · F : FTIR of branched cationic polyacrylamide. e characteristic absorption peak of NH and NH 2 groups was seen with infrared spectroscopy, and the char-acteristic chemical shi of NH and NH 2 groups was seen using H NMR spectroscopy. e structure of the branched polyacrylamide was the same as initiallyexpected... Single-Factor Experiments.

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  • Synthesis and application of cationic starch graft

    2010-10-15 · In this paper, synthesis of starch-graft-poly(acrylamide-co-acrylacyloxyethyl trimethyl ammonium chloride) [S-g-P(AM-co-AAC)] is studied by using a complex initiation system of urea [CO(NH 2) 2] and ammonium persulfate [(NH 4) 2 S 2 O 8]. The article discusses the preparation method and effect of reaction conditions on properties of the product.

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  • Synthesis and Characterization of Different Molecular ...

    2017-4-27 · This method was repeated twice. Potassium persulfate was recrystallized twice from distilled water at 100ºC (boiling point of distilled water) using the same procedure described above. The rest of the chemicals were used without further purification. Synthesis of different molecular weight polyacrylamides Acrylamide monomer is crystalline.

    Get Price
  • Synthesis and Characterization of Hyperbranched ...

    2019-12-12 · Synthesis of Branched Poly(butyl acrylate) Using the Strathclyde Method in Continuous-Flow Microreactors. Industrial & Engineering Chemistry Research 2019, 58 (47) ... Preparation of octopus-like lignin-grafted cationic polyacrylamide flocculant and its application for water flocculation.

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  • Synthesis and characterization of amphoteric ...

    2018-6-10 · Synthesis and characterization of amphoteric polyacrylamide by dispersion polymerization in aqueous salts solution Y. Zou, Y.H. Zhang and P.X. He* Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, School of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, P.R. China

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  • Synthesis of the Hydrophobic Cationic Polyacrylamide

    2020-1-2 · Synthesis of the Hydrophobic Cationic Polyacrylamide (PADD) Initiated by Ultrasonic and ... treatment [12–14]. Cationic polyacrylamide (CPAM) is one of the most widely used flocculants for separating colloidal suspensions. Positively charged CPAM can completely neutralize negatively ... It is an environmentally friendly initiation method and

    Get Price
  • Synthesis Star-Shaped Cationic Polyacrylamide-

    Synthesis Star-Shaped Cationic Polyacrylamide- Dimethyl- Diallyl- Ammonium- Chloride by 'Core-First' Method p.2049 Study on Thermal Conductivity of Metal/Polymer Composites Based on Software ANSYS

    Get Price
  • Preparation of cationic polyacrylamide microsphere ...

    2020-1-14 · Abstract: In this paper, cationic polyacrylamide microspheres (CPAM) were synthesized using acrylamide (AM) and methacryloyloxyethyl trimethyl ammonium chloride (TMAEMC) as monomers, ... the widely used method is injecting ... 2.2.2 Synthesis of cationic polyacrylamide microspheres (CPAM) Monomers of AM and TMAEMC were weighed and put

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  • Synthesis of cationic polyacrylamide by low-pressure

    Abstract This work presents a preparation process and flocculation performance evaluation of a novel cationic polyacrylamide PADC synthesized by low-pressure ultraviolet (UV) initiation. Flocculant of PADC was polymerized with acrylamide (AM), diallyl dimethyl ammonium chloride (DMDAAC) and coconut diethanolamide (CDEA) in homogeneous aqueous solution under the irradiation of low-pressure UV ...

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  • Ultrasound-initiated synthesis of cationic

    2018-4-1 · Ultrasound-initiated synthesis of cationic polyacrylamide for oily wastewater treatment: Enhanced interaction between the flocculant and contaminants Author links open overlay panel Chuanliang Zhao a b Huaili Zheng a b Baoyu Gao c Yongzhi Liu a …

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  • Preparation of cationic polyacrylamide by aqueous two ...

    presence of PEG by using ammonium persulfate as the initiator and sodium dodecylsulfate or poly-oxyethylene(20) sorbitan monolaurate as the emul-sifier [17]. The stability of dispersion system with surfactants was weak and its viscosity was large. Until now, there are few works on synthesis of cationic polyacrylamide via aqueous two-phase

    Get Price
  • Research Article Synthesis, Characterization, and ...

    2019-7-31 · F : FTIR of branched cationic polyacrylamide. e characteristic absorption peak of NH and NH 2 groups was seen with infrared spectroscopy, and the char-acteristic chemical shi of NH and NH 2 groups was seen using H NMR spectroscopy. e structure of the branched polyacrylamide was the same as initiallyexpected... Single-Factor Experiments.

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  • Preparation of a hydrophobically associated cationic ...

    2020-8-28 · A hydrophobically associating cationic polyacrylamide (HACPAM) was prepared by using a micellar polymerization method with V-50 (azobisisobutyramidine hydrochloride) as the initiator and acrylamide, acryloyloxyethyl trimethylammonium chloride and butyl methacrylate as substrates under ultraviolet light irradiation.

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  • Polyacrylamide-assisted synthesis of hierarchical

    2021-2-1 · Hierarchical porous SAPO-34 catalysts were prepared by using a one-step hydrothermal synthesis method. First, 2.07 g of pseudoboehmite was dispersed in 12.86 g of deionized water and stirred for 0.5 h, followed by the addition of 3.46 g of phosphoric acid. The mixture was stirred for 2 h. Then, 0.39 g of silica was added to the above mixture.

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  • A CATIONIC POLYACRYLAMIDE DISPERSION SYNTHESIS

    In the present work, A cationic polyacrylamide (PAM) emulsion was synthesized from acrylamide (AM) and a cationic monomer, acryloyloxyethyltrimethyl ammonium chloride (DAC), using the dispersion polymerization method in aqueous ammonium sulfate ((NH4)2SO4) solution. The polymerization was initiated by tert-butyl hydroper-

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  • Preparation of cationic polyacrylamide microsphere ...

    2020-1-14 · Abstract: In this paper, cationic polyacrylamide microspheres (CPAM) were synthesized using acrylamide (AM) and methacryloyloxyethyl trimethyl ammonium chloride (TMAEMC) as monomers, ... the widely used method is injecting ... 2.2.2 Synthesis of cationic polyacrylamide microspheres (CPAM) Monomers of AM and TMAEMC were weighed and put

    Get Price
  • Ultrasound-initiated synthesis of cationic

    2018-4-1 · Ultrasound-initiated synthesis of cationic polyacrylamide for oily wastewater treatment: Enhanced interaction between the flocculant and contaminants Author links open overlay panel Chuanliang Zhao a b Huaili Zheng a b Baoyu Gao c Yongzhi Liu a …

    Get Price
  • Synthesis and properties of cationic polyacrylamide ...

    2003-8-4 · The copolymer P(AM-co-4VP) of acrylamide (AM) and 4-vinylpyridine (4VP) was synthesized by radical copolymerization in solution, and then the copolymer was quaternarized using dimethyl sulfate to produce cationic P(AM-co-4VP) (CPAV), a cationic polyacrylamide containing quaternary pyridine salt. Two series of CPAV have been synthesized.

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  • [PDF] A CATIONIC POLYACRYLAMIDE DISPERSION

    Corpus ID: 43686507. A CATIONIC POLYACRYLAMIDE DISPERSION SYNTHESIS BY DISPERSION POLYMERIZATION IN AQUEOUS SOLUTION @article{Wang2011ACP, title={A CATIONIC POLYACRYLAMIDE DISPERSION SYNTHESIS BY DISPERSION POLYMERIZATION IN AQUEOUS SOLUTION}, author={Y. Wang and Kefu Chen and L. Mo and Huiren Hu}, journal={Bioresources}, …

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  • Preparation of cationic polyacrylamide by aqueous two ...

    presence of PEG by using ammonium persulfate as the initiator and sodium dodecylsulfate or poly-oxyethylene(20) sorbitan monolaurate as the emul-sifier [17]. The stability of dispersion system with surfactants was weak and its viscosity was large. Until now, there are few works on synthesis of cationic polyacrylamide via aqueous two-phase

    Get Price
  • CN102603970A - Preparation method of cationic ...

    The cationic polyacrylamide obtained by the preparation method has multifunctionality, has the molecular weight of 1 million to 12 million, has ultralow concentration of a residual acrylamide monomer, is suitable for treatment of drinking water and sewage treatment and dehydration treatment of sludge and has excellent application prospect.

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  • Synthesis, characterization, and flocculation properties ...

    2008-10-30 · Dong Ho Yoon, Jung Won Jang, In Woo Cheong, Synthesis of cationic polyacrylamide/silica nanocomposites from inverse emulsion polymerization and their flocculation property for papermaking, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 10.1016/j.colsurfa.2012.06.036, 411, (18 …

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  • Synthesis and Characterization of Hyperbranched ...

    2019-12-12 · Synthesis of Branched Poly(butyl acrylate) Using the Strathclyde Method in Continuous-Flow Microreactors. Industrial & Engineering Chemistry Research 2019, 58 (47) ... Preparation of octopus-like lignin-grafted cationic polyacrylamide flocculant and its application for water flocculation.

    Get Price
  • Preparation of novel amphoteric polyacrylamide and

    Synthesis of cationic polyacrylamide via inverse emulsion polymerization method for the application in water treatment. J Macromol Sci Part A. 2019;56(1):1–10. Search in Google Scholar (9) Zhong JX, Clegg JR, Ander EW, Peppas NA. Tunable poly((methacrylic acid)-co-acrylamide) nanoparticles through inverse emulsion polymerization.

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  • A CATIONIC POLYACRYLAMIDE DISPERSION SYNTHESIS

    In the present work, A cationic polyacrylamide (PAM) emulsion was synthesized from acrylamide (AM) and a cationic monomer, acryloyloxyethyltrimethyl ammonium chloride (DAC), using the dispersion polymerization method in aqueous ammonium sulfate ((NH4)2SO4) solution. The polymerization was initiated by tert-butyl hydroper-

    Get Price
  • Synthesis of the Hydrophobic Cationic Polyacrylamide

    In this study, a new type of hydrophobic cationic polyacrylamide P (AM-DMC-DABC) (PADD) was synthesized by ultrasonic (US)-initiated polymerization, which is used for the separation and removal of coal mine wastewater. The acrylamide (AM), methacryloyloxyethyl trimethyl ammonium chloride (DMC) and acryloyloxyethyl dimethylbenzyl ammonium chloride (DABC) were used as monomers to prepare).

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  • [PDF] A CATIONIC POLYACRYLAMIDE DISPERSION

    Corpus ID: 43686507. A CATIONIC POLYACRYLAMIDE DISPERSION SYNTHESIS BY DISPERSION POLYMERIZATION IN AQUEOUS SOLUTION @article{Wang2011ACP, title={A CATIONIC POLYACRYLAMIDE DISPERSION SYNTHESIS BY DISPERSION POLYMERIZATION IN AQUEOUS SOLUTION}, author={Y. Wang and Kefu Chen and L. Mo and Huiren Hu}, journal={Bioresources}, …

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  • Preparation of cationic polyacrylamide microsphere ...

    2017-8-25 · Abstract: In this paper, cationic polyacrylamide microspheres (CPAM) were synthesized using acrylamide (AM) and methacryloyloxyethyl trimethyl ammonium chloride (TMAEMC) as monomers, ... the widely used method is injecting ... 2.2.2 Synthesis of cationic polyacrylamide microspheres (CPAM) Monomers of AM and TMAEMC were weighed and put

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  • UV-Initiated Polymerization of Cationic

    UV-Initiated Polymerization of Cationic Polyacrylamide: Synthesis, Characterization, and Sludge Dewatering Performance ... Seventeen observed responses were used to calculate the model using Box-Behnken method. From the experimental data, the quadratic regression models were established using Design Expert V8.0.6, as shown in ...

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  • Ultrasonic Assisted Synthesis of Cationic Polyacrylamide ...

    Ultrasonic Assisted Synthesis of Cationic Polyacrylamide and Its Dewatering performance evaluation Xiang Li1*, a, Baojun Yang2, b, Qianying Shou3, c, Guoming Zeng1, d, Pei Wu1, e 1 School of Civil Engineering and Architecture, Chongqing University of Science and Technology, Chongqing 401331, China 2 Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of

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  • Template Polymerization of a Novel Cationic

    2019-5-25 · Synthesis of a cationic polyacrylamide by a photocatalytic surface-initiated method and evaluation of its flocculation and dewatering performance: nano-TiO 2 as a photo initiator. RSC Advances 2018 , 8 (50) , 28329-28340.

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  • Preparation of cationic polyacrylamide microsphere ...

    2014-7-11 · The synthesis of water soluble cationic microgels by dispersion polymerization: their performance in kaolin deposition onto fiber. Journal of Applied …

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  • Research on a new cationic polyacrylamide (CPAM)

    2021-5-15 · The cationic monomers on these microblock segments can be polymerized to form a CPAMD with a new cationic microblock structure. In addition, microwave has mechanical effects such as oscillation, emulsification, and diffusion, which can accelerate the heat and mass transfer process of the reaction system, thus accelerating the reaction rate (Wiesbrock et al. 2004; Hoogenboom and …

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  • CN102206301B - Preparation method of rapid

    The invention discloses a preparation method of a rapid dissolved cationic polyacrylamide emulsion of water in oil type. An oil-soluble emulsifier and a water-soluble emulsifier are prepared in an oil phase and a water phase respectively, and are mixed together to obtain a water in oil emulsion; the water in oil emulsion is heated to 0-100 DEG C and added with initiator to initiate a ...

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  • Ultrasonic Assisted Synthesis of Cationic Polyacrylamide ...

    Ultrasonic Assisted Synthesis of Cationic Polyacrylamide and Its Dewatering performance evaluation Xiang Li1*, a, Baojun Yang2, b, Qianying Shou3, c, Guoming Zeng1, d, Pei Wu1, e 1 School of Civil Engineering and Architecture, Chongqing University of Science and Technology, Chongqing 401331, China 2 Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of

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  • Synthesis and properties of cationic polyacrylamide ...

    2003-8-4 · The copolymer P(AM‐co‐4VP) of acrylamide (AM) and 4‐vinylpyridine (4VP) was synthesized by radical copolymerization in solution, and then the copolymer was quaternarized using dimethyl sulfate to produce cationic P(AM‐co‐4VP) (CPAV), a cationic polyacrylamide containing quaternary pyridine salt. Two series of CPAV have been synthesized.

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  • Preparation of cationic polyacrylamide microsphere ...

    2014-7-11 · The synthesis of water soluble cationic microgels by dispersion polymerization: their performance in kaolin deposition onto fiber. Journal of Applied …

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  • Synthesis and characterization of starch-based

    Pretreatments of starch using acid, alkaline, and microwave did not significantly affect the DS and RE. The resultant cationic starch flocculants and cationic polyacrylamide (CPAM), a commercial flocculant, were tested in harvesting experiments involving live algae grown in fresh water or animal manure.

    Get Price
  • Preparation of Cationic Polyacrylamide

    In order to improve the aqueous solutions viscosity and flocculation performance of cationic polyacrylamide, organic montmorillonite was added into polymerization system of polyacrylamide, the cationic polyacrylamide/dimethyl diallyl ammonium chloride/organic montmorillonite (CPAM/DMDAAC/MMT) nanocomposite was prepared by aqueous two-phase polymerization method.

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  • Photoinitiated Polymerization of Cationic Acrylamide

    In this paper, synthesis of the cationic polyacrylamide P(AM-DAC) was investigated using a novel initiation system, photoirradiation. 2,2′-Azobis(2-amidinopropane) dihydrochloride (V-50) was introduced into the system as the photoinitiator for the polymerization of acrylamide with DAC as the cationic monomer in aqueous solutions.

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  • Cationic polyacrylamide copolymers (PAMs):

    2018-5-18 · Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about the degradation of PAMs in soils. To obtain detailed information on the polymer’s fate in the soil compartment, the degradation of 14C …

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  • The synthesis of polyacrylamide nanoparticles in ...

    TEM micrograph of polyacrylamide particles created in supercritical CO 2, 150 atm and 50 °C, collected on a copper grid using RESS method. Full size image. In summary, polyacrylamide nanoparticles were produced by inverse emulsion polymerization of acrylamide in supercritical carbon dioxide. The mechanism involved intra- and intermolecular ...

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  • Evaluation of hydrophobically associating cationic

    2021-6-3 · Liao, Y. et al. UV-initiated polymerization of hydrophobically associating cationic polyacrylamide modified by a surface-active monomer: A comparative study of synthesis, characterization, and ...

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  • Preparation of novel amphoteric polyacrylamide and

    Synthesis of cationic polyacrylamide via inverse emulsion polymerization method for the application in water treatment. J Macromol Sci Part A. 2019;56(1):1–10. Search in Google Scholar (9) Zhong JX, Clegg JR, Ander EW, Peppas NA. Tunable poly((methacrylic acid)-co-acrylamide) nanoparticles through inverse emulsion polymerization.

    Get Price