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types of cationic polyacrylamide ftir

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

    In this study, a series of cationic polyacrylamides (TPADs) with excellent flocculation/dewatering performance and low dosage were synthesized through photocatalytic surface initiation using acrylamide (AM) and acryloyloxyethyl trimethylammonium chloride (DAC) as monomers and nano-TiO2 as an initiator. Characterization using Fourier transform ...

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  • Determination of the concentrations of

    2020-8-1 · Nitrogen digestion method was set up to determine polyacrylamide concentrations based on the measurement of nitrogen content in the polymer solution that is in proportion to the polymer concentration (Chen et al., 2016).To measure the total nitrogen content, oxidation substances like potassium persulfate convert the nitrogen in the amine groups on the side chain of polymers into free …

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  • Synthesis and Characterization of Different Molecular ...

    2017-4-27 · highly hydrophilic character, the main technical application of polyacrylamide is for flocculation of aqueous suspension and related purposes. Polyacrylamides can be classified to three categories: non-ionic, anionic and cationic polyacrylamides (4). Polyacrylamides were used extensively as a flocculant in the clarification of water

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  • Synthesis, Characterization, and Flocculation

    2019-7-31 · Examples are gra copolymers, star-shaped polymers, comb polymers, anddendriticpolymers[ ].Comparedwithlinearpolymers, branched polymers have lower viscosity and better solubility and can be dispersed more rapidly into water [ ]. e synthesis of a branched polyacrylamide using a supernormal valence transition metal, such as potassium diperiodatocuprate K5[Cu(HIO6)2](Cu(III)), as an initiator, …

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  • Research Article Synthesis, Characterization, and ...

    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 transformation, the structure of composite flocculants …

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  • Synthesis and characterization of a novel cationic ...

    2021-5-30 · Full Article. Preparation and Retention Performance of Cross-linked and Hydrophobically Associating Cationic Polyacrylamide. Wei-Bing Wu, a,b, * Jun Gu, a Yi Jing, a Xiao-Fan Zhou, a and Hong-Qi Dai a “Water-in-water” emulsions of cross-linked and hydrophobically associating cationic polyacrylamide (CHCPAM) with cationic groups (methacrylatoethyl trimethyl ammonium chloride, DMC ...

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  • Preparation and retention performance of crosslinked

    2020-4-20 · There were 4 types of PAM: (1) cationic PAM containing 15% of ionizable groups (CT PAM-15%), (2) cationic PAM containing 25% of ionizable groups (CT PAM-25%), (3) anionic PAM containing 12% of ionizable groups (AN PAM-12%) and (4) anionic PAM containing 40% of ionizable groups

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  • Synthesis of a cationic polyacrylamide by a

    2019-4-9 · In this study, a hydrophobically associating polyacrylamide with cationic microblock structure labelled as TP-ADL was synthesized through UV-initiating template copolymerization using cationic methacryloxyethyltrimethyl ammonium chloride (DMC), hydrophobic lauryl acrylate (LA) and acrylamide (AM) as monomers.

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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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  • Study on Adsorption and Aggregation in the Mixed

    2020-4-20 · 8700A FTIR spectrometer, Thermo Scientific, Somerset, NJ, USA). The solid was examined in pellet form with KBr. Modified, ionic polyacrylamide (PAM), delivered by Korona JV, was used in the study as adsorbate. There were 4 types of PAM: (1) cationic PAM containing 15% of …

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  • Cationic starch-grafted-cationic polyacrylamide based ...

    2019-11-15 · The cationic polyacrylamide flocculant (CPAM) has been extensively used in oil sludge treating agents due to its excellent turbidity removal, flocculation and decolorization properties . Because the oil sludge particles are negatively charged, CPAM electricity neutralization and adsorption bridging with the oil sludge particles, which lead to ...

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · Wang, D. et al. Understanding the impact of cationic polyacrylamide on anaerobic digestion of waste activated sludge. Water Res. 130 , 281–290 (2018). Article CAS Google Scholar

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  • Determination of the concentrations of

    2020-8-1 · Nitrogen digestion method was set up to determine polyacrylamide concentrations based on the measurement of nitrogen content in the polymer solution that is in proportion to the polymer concentration (Chen et al., 2016).To measure the total nitrogen content, oxidation substances like potassium persulfate convert the nitrogen in the amine groups on the side chain of polymers into free …

    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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  • Evaluation of hydrophobically associating cationic

    2021-6-3 · The FTIR and 1 H NMR spectra further ... the five fluorescent peaks were extracted and represented 5 types of ... Y. et al. UV-initiated polymerization of hydrophobically associating cationic ...

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  • Amido-Amine-Based Cationic Gemini Surfactants:

    2016-11-18 · Cationic polyacrylamide with low to medium cationic charge density and a molecular weight of around 5 million Daltons was received from SNF Floerger (Andrézieux, France). All solvents (reagent-grade) used in the synthesis were distilled before use. The products were purified using a filtration technique. Synthesis of 1 Product

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  • Characterization and Evaluation of Dewatering

    2019-5-25 · PADB was a highly efficient cationic flocculant, which was synthesized through the copolymerization of acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC), and butylacrylate (BA) with ultraviolet initiation by micellar polymerization technology. The PADB was the terpolymer of AM, DAC, and BA. In order to observe this flocculant’s structural characteristics, nuclear …

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  • Hydrophobic modification of cationic microblocked ...

    2019-4-9 · Liao Y, Zheng HL, Qian L, Sun YJ, Dai L, Xue WW (2014) UV-initiated polymerization of hydrophobically associating cationic polyacrylamide modified by a surface-active monomer: a comparative study of synthesis, characterization, and sludge dewatering performance. Ind Eng Chem Res 53(27):11193–11203. Article Google Scholar 39

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  • UV-Initiated Polymerization of Cationic

    2013-12-24 · 3.4. FTIR Spectrum. Figure 2 shows the FTIR spectrum of P (AM-DMDAAC-BA). The absorption bands observed at 3428.07 cm −1 and 1167.45 cm −1 were originated from strong stretching vibration of amino group and carbonyl group of amide in the AM chain, respectively.

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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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  • In Vitro Antimicrobial Activity of Polyacrylamide Doped ...

    2015-2-13 · cationic polymer doped iron oxide nanoparticles at in vitro level. Magnetic iron oxide nanoparticles were prepared in simple procedure and then doped with polyacrylamide (PAM). The antimicrobial activity of cationic polymer doped iron oxide nanoparticles was evaluated. The prepared polyacrylamide ... (FTIR) spectroscopy by PerkinElmer Spectrum ...

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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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  • Preparation and retention performance of crosslinked

    2021-5-30 · Full Article. Preparation and Retention Performance of Cross-linked and Hydrophobically Associating Cationic Polyacrylamide. Wei-Bing Wu, a,b, * Jun Gu, a Yi Jing, a Xiao-Fan Zhou, a and Hong-Qi Dai a “Water-in-water” emulsions of cross-linked and hydrophobically associating cationic polyacrylamide (CHCPAM) with cationic groups (methacrylatoethyl trimethyl ammonium chloride, DMC ...

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  • 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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  • Polyacrylamide for water treatment | manufacturer of ...

    2021-6-1 · Polyacrylamide and its co-polymers are used as flocculants or coagulants in industrial wastewater treatment .Homo-polymer is used in this application and can be either nonionic, cationic or anionic depending on the types of wastewater needs to be treated.

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  • UV-Initiated Polymerization of Hydrophobically

    2014-6-17 · Two cationic polyacrylamides, PAA and PAD, were synthesized for sludge dewatering. The advanced instruments such as 1H NMR, FTIR, and SEM were used to characterize the two copolymers. Their hydrophobic association properties in water were investigated by viscosimetry as well as the dewatering performance studied by the sludge dewatering experiment. The results showed that the …

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  • Evaluation of hydrophobically associating cationic

    2021-6-3 · The FTIR and 1 H NMR spectra further ... the five fluorescent peaks were extracted and represented 5 types of ... Y. et al. UV-initiated polymerization of hydrophobically associating cationic ...

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  • Characterization and Evaluation of Dewatering

    2019-5-25 · PADB was a highly efficient cationic flocculant, which was synthesized through the copolymerization of acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC), and butylacrylate (BA) with ultraviolet initiation by micellar polymerization technology. The PADB was the terpolymer of AM, DAC, and BA. In order to observe this flocculant’s structural characteristics, nuclear …

    Get Price
  • 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).

    Get Price
  • In Vitro Antimicrobial Activity of Polyacrylamide Doped ...

    2015-2-13 · cationic polymer doped iron oxide nanoparticles at in vitro level. Magnetic iron oxide nanoparticles were prepared in simple procedure and then doped with polyacrylamide (PAM). The antimicrobial activity of cationic polymer doped iron oxide nanoparticles was evaluated. The prepared polyacrylamide ... (FTIR) spectroscopy by PerkinElmer Spectrum ...

    Get Price
  • Preparation and characterization of polyacrylamide in ...

    Preparation and characterization of polyacrylamide in cationic microemulsion. Feng Yan. Department of Polymer Science, Nanjing University of Chemical Technology, Nanjing, 210009, People's Republic of China ... Information about the microstructures of polyacrylamides is derived from X‐ray diffraction, DSC, FTIR, and laser‐Raman studies.

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  • Photoinitiated Polymerization of Cationic Acrylamide

    The Fourier transform infrared Spectra (FTIR) of the cationic polyacrylamide was measured by the 550 Series II infrared spectrometer (Mettler Toledo Instruments Co., Ltd., Switzerland); the ultraviolet (UV) spectra of the cationic copolymer were detected by the TU - 1901 double beam UV-visible light spectrophotometer (Beijing Puxi General ...

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  • Preparation and retention performance of crosslinked

    2021-5-30 · Full Article. Preparation and Retention Performance of Cross-linked and Hydrophobically Associating Cationic Polyacrylamide. Wei-Bing Wu, a,b, * Jun Gu, a Yi Jing, a Xiao-Fan Zhou, a and Hong-Qi Dai a “Water-in-water” emulsions of cross-linked and hydrophobically associating cationic polyacrylamide (CHCPAM) with cationic groups (methacrylatoethyl trimethyl ammonium chloride, DMC ...

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  • pva flocculent cationic polyacrylamide in saudi arabia ...

    2021-6-18 · Polyacrylamide: Non-ionic, Anionic and Cationic Polyacrylamides and Their Applications in Water and Wastewater Treatment: Literature Review Raid Saleh Shatat1*, Shaik Kalimulla Niazi1 and Fawaz Salem Al Batati1 1Department of Preparatory Health Sciences, Faculty of Dentistry, Riyadh Elm University, 84891 Riyadh 11681, Kingdom of Saudi Arabia.

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  • Synthesis and Characterization of Hydrophobically

    2018-6-17 · Low concentration (1–6 mol%) of cationic monomer from each group were copolymerized with acrylamide to obtain hydrophobically modified cationic polyacrylamide. Results show that the intrinsic viscosity and molecular weight of the copolymers decreases with the concentration of the hydrophobic cationic group, whereas charge density indicates ...

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  • Interaction of sodium polyacrylate adsorbed on TiO2

    Attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR) was used to identify the structures formed during the adsorption of sodium polyacrylate (NaPA) on charged TiO2 particles and to determine the subsequent interaction of the adsorbed polymer structure with cationic and anionic surfactants.

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  • Synthesis of Aminoethylpiperazine/Formaldehyde

    Asphalt emulsifier can be divided into anionic, cationic, zwitterionic and non ionic types. Wates and James reported a polybetaines asphalt emulsifier, which provide superior cationic and anionic emulsions, and slow-setting emulsions at low use levels, and the excellent adhesion of the cured asphalt film [4]. W.

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  • The removal of anionic and cationic dyes from an

    2021-4-21 · Figure 2 shows the spectra of the PAC adsorbents obtained using FTIR. The broad peaks characteristics of the vibration bands around 3851 cm-1 and 3,645 cm-1 …

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  • Article Production of Cationic Polyacrylamide Flocculant

    2019-9-4 · 1 Article 2 Production of Cationic Polyacrylamide Flocculant 3 P(AM–DMDAAC) by Microwave Assisted Synthesis, 4 its Characterization and Flocculation Perfomance 5 Peng Zhang*, Dongqin Zhao, Xue Zhang 6 School of Civil Engineering, Hunan University of Science and Technology, Xiangtan, Hunan, 411201, China2 7 Affiliation 2; [email protected] 8 * Correspondence: [email protected]; …

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  • Polyacrylamide (PAM) - Michigan

    2017-7-21 · Polyacrylamide (PAM) Definition Polyacrylamides (PAMs), are polymer-based materials used to facilitate erosion control and decrease soil sealing by binding soil particles, especially clays, to hold them on site. In addition, these types of materials may also be used as a water treatment additive to remove suspended particles from runoff.

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  • Production of Cationic Polyacrylamide Flocculant

    A composite flocculant P(AM–DMDAAC) was synthesized by the copolymerization of acrylamide (AM) and dimethyl diallyl ammonium chloride (DMDAAC). Using microwave (MV) assistance with ammonium persulfate as initiator, the synthesis provided short reaction time and better solubility product. Nuclear magnetic resonance spectroscopy (1H NMR and 13C NMR), Fourier-transform infrared spectroscopy ...

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  • Synthesis and properties of cationic polyacrylamide ...

    2003-1-1 · Synthesis and properties of cationic polyacrylamide containing pyridine quaternary salt Synthesis and properties of cationic polyacrylamide containing pyridine quaternary salt Gao, Baojiao; Lv, Yuexian; Jiu, Hongfang 2003-01-01 00:00:00 INTRODUCTION Among the many water‐soluble polymers available, copolymers and homopolymers based on acrylamide (AM) are widely used in many fields …

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  • Homogeneous synthesis and characterization of ...

    2015-12-15 · The cationic cellulose–graft–polyacrylamide flocculant (CC‐g‐PAM) based on CC and polyacrylamide (PAM) was also synthesized in a homogeneous aqueous solution. The flocculation characteristics of CC and CC‐g‐PAM were evaluated in a kaolin suspension.

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  • Effects of Cationic Polyacrylamide Characteristics on ...

    2014-5-30 · The effects of the molecular weight (MW) and charge density (CD) of cationic polyacrylamide (CPAM) on sludge dewatering and moisture evaporation were investigated in this study. Results indicated that in sludge conditioning, the optimum dosages were 10, 6, 6, 4, and 4 mg g−1 CPAM with 5 million MW and 20% CD, 5 million MW and 40% CD, 3 million MW and 40% CD, 8 million MW and 40% CD, …

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  • pva flocculent cationic polyacrylamide in saudi arabia ...

    2021-6-18 · Polyacrylamide: Non-ionic, Anionic and Cationic Polyacrylamides and Their Applications in Water and Wastewater Treatment: Literature Review Raid Saleh Shatat1*, Shaik Kalimulla Niazi1 and Fawaz Salem Al Batati1 1Department of Preparatory Health Sciences, Faculty of Dentistry, Riyadh Elm University, 84891 Riyadh 11681, Kingdom of Saudi Arabia.

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  • Properties of Polyacrylamides - polymerdatabase.com

    2020-7-11 · Properties. Polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly (2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH (CONH 2 )-].

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  • The removal of anionic and cationic dyes from an

    2021-4-21 · Figure 2 shows the spectra of the PAC adsorbents obtained using FTIR. The broad peaks characteristics of the vibration bands around 3851 cm-1 and 3,645 cm-1 …

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  • Synthesis and flocculation characteristics of cationic ...

    2014-3-6 · A novel organic polymeric flocculant was synthesized by grafting cationic etherifying monomer (3-chloro-2-hydroxypropyl) trimethyl ammonium chloride (CHPTAC) onto the backbone of corncob powder (CP,F≤ 30mm). The synthetic reaction between CP and CHPTAC was initiated by hydroxyl radical made from Fenton reagent(H2O2-FeSO4). The alkalization process andsynthetic reaction …

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  • Polyacrylamide (PAM) Powder for Water Treatment

    2021-7-8 · Polyacrylamide (PAM) Effective pH value: 1.0~14.0. Polyacrylamide (PAM) is a linear organic polymer, and it is the most widely used flocculant in water treatment chemicals. It can enhance flocculation, reduce the cost of clean water, improve water quality, and remove organic matter and algae in …

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  • EQUILIBRIUM, KINETIC AND THERMODYNAMIC STUDIES

    2015-1-10 · and Fourier transformation infrared spectra (FTIR, Perkin-Elmer-283B FTIR spectrometer, the wave number range from 400 to 4000 cm-1). 2.4. Batch adsorption experiments A stock solution of cationic red X-GRL (1000 mg L-1) was prepared by dissolving appropriate amounts of cationic red X-GRL in deionized water. The stock solution was diluted to ...

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  • Interaction of sodium polyacrylate adsorbed on TiO2

    Attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR) was used to identify the structures formed during the adsorption of sodium polyacrylate (NaPA) on charged TiO2 particles and to determine the subsequent interaction of the adsorbed polymer structure with cationic and anionic surfactants.

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  • The Influence of Cationic Polymer Architecture on the ...

    The influence of cationic polymer architecture (i.e., polymer molecular weight [MW], polymer type and composition, cationic charge) on the performance of scale and deposit control polymers has been investigated. In addition, Fourier Transform Infra-Red (FTIR) technique has been employed to characterize the polymer-polymer salt.

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  • Improvement of Sludge Dewaterability by Ultrasound ...

    Improvement of Sludge Dewaterability by Ultrasound-Initiated Cationic Polyacrylamide with Microblock Structure: The Role of Surface-Active Monomers Chuanliang Zhao, Huaili Zheng, Li Feng, Yili Wang, Yongzhi Liu, Bingzhi Liu, Badradine Zakaria Djibrine; Affiliations ...

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  • Flocculation of both anionic and cationic dyes in

    Flocculation of both anionic and cationic dyes in aqueous solutions by the amphoteric grafting flocculant carboxymethyl chitosan-graft-polyacrylamide J Hazard Mater . 2013 Jun 15;254-255:36-45. doi: 10.1016/j.jhazmat.2013.03.053.

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  • Synthesis and Spectral Study of Doped Modified

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract: The synthesis and characterization of doped modified polyvinyl alcohol conjugates was studied by using casting method. Characterizations of DMPVA were carried out by using FTIR, 1HNMR, XRD. It showed that, for DMPVAsamorphous nature result in greater ion diffusivity with high ionic conductivity, and can be ...

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  • How to select appropriate polyacrylamide for

    2016-11-14 · For cationic polyacrylamide, after confirmed the appropriate molecular weight, if you select linear-structure polyacrylamide for dehydration treatment, the dosage of polyacrylamide is small and ...

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  • Facile and Rapid Synthesis of a Dithiol-Protected Ag ...

    2013-9-17 · Facile and Rapid Synthesis of a Dithiol-Protected Ag7 Quantum Cluster for Selective Adsorption of Cationic Dyes M. S. Bootharaju and T. Pradeep* DST Unit of Nanoscience (DST UNS), Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India

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  • Synthesis and Characterization of Amorphous Silica ...

    Nanoparitcles from Aqueous Silicates Uisng Cationic Surfactants J. Met. Mater. Miner. 24(1) 2014, DOI : 10.14456/jmmm.2014.7 Instrumentation Types of bonds present in the particles were determined using the Fourier transform IR spectra recorded using a Perkin-Elmer spectrometer (Model 2000) and covered the range from 400– 4000 -cm1. The ...

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  • Global Cationic Polyacrylamide Market Size 2021 Top

    2021-7-3 · Jul 03, 2021 (The Expresswire) -- Global “Cationic Polyacrylamide Market” research report describes the sales by manufacturer, market size, types,...

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  • Global Cationic Polyacrylamide Market Report 2021:

    2021-7-6 · Jul 06, 2021 (The Expresswire) -- Global “Cationic Polyacrylamide Market” report covering growth prospects, market development potential, profitability,...

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  • Thèses sur le sujet « DPI formulation - grafiati.com

    À côté de chaque source dans la liste de références il y a un bouton « Ajouter à la bibliographie ». Cliquez sur ce bouton, et nous générerons automatiquement la référ

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