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Synthesis and Application of a Cationic . Synthesis and Application of a Cationic Polyacrylamide Dry Strength Agent with Anionic Content 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 Price2021-3-12 · application of a hydrophobically modified copolymer {acryl-amide + N-phenylacrylamide} in EOR processes. Character-ization studies were performed by Fourier transform infrared (FTIR) spectroscopy, gel permeation chromatography (GPC), salt tolerance test, and viscosity measurements. Polymer interactions with gemini surfactants (14-6-14 GS and SF-6-
Get Price2018-4-1 · Fourier transform infrared spectroscopy (FTIR) technique are carried out to identify the chemical interaction of Polyacrylamide (PAM), dextran, PAM/D and PAM/D/Ag nanohydrogels are studied by Fourier transform infrared spectroscopy (FTIR) compared in the Fig. 1-II.
Get Price2017-4-27 · hydration of functional groups along the molecule. Polyacrylamide shows high solubility in water, while it is insoluble in most other common organic liquids such as methanol, ethanol and acetone. However, despite this highly hydrophilic character, the main technical application of polyacrylamide is for flocculation of aqueous
Get Price2018-9-7 · The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as in soil conditioning. 1, 9, 12,...
Get Price2021-1-15 · In this article, starch -g-polyacrylamide and its composite with magnetite (Fe 3 O 4) nanoparticles and graphene oxide (GO) have been synthesized. The grafting crosslinking polymerization reaction of acrylamide with starch was carried out in the presence of GO and Fe 3 O 4 nanoparticles. The synthesized samples were examined by FTIR, XRD, SEM, TEM and VSM.
Get Price2018-3-3 · Adewunmi, A.A., Ismail, S. & Sultan, A.S. Crosslinked Polyacrylamide Composite Hydrogels Impregnated with Fly Ash: Synthesis, Characterization and Their Application as Fractures Sealant for High Water Producing Zones in Oil and Gas Wells. J Polym Environ 26, 3294–3306 (2018). https://doi.org/10.1007/s10924-018-1204-9. Download citation
Get PriceThe adsorption of a low molecular weight unmodified polyacrylamide (Polymer-N) and a hydroxyl-substituted polyacrylamide (Polymer-H) onto talc was studied using in situ particle film ATR-FTIR spectroscopy in the multiple internal reflection mode. Spectra of the adsorbed polymer were collected as a …
Get Price2021-3-12 · application of a hydrophobically modified copolymer {acryl-amide + N-phenylacrylamide} in EOR processes. Character-ization studies were performed by Fourier transform infrared (FTIR) spectroscopy, gel permeation chromatography (GPC), salt tolerance test, and viscosity measurements. Polymer interactions with gemini surfactants (14-6-14 GS and SF-6-
Get PriceSynthesis and application of nonionic . 2006-6-15 · The objectives of this study were to investigate: (1) the predominant mechanisms of bonding between nonionic polyacrylamide and smectite and (2) if the nonionic acrylamide units in charged copolymers reacted with smectite similarly as the homo-polyacrylamide. 2. Materials and methods2.1.
Get Price2021-6-20 · 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 PriceDegradation of high molecular weight polyacrylamide by alkali-activated persulfate: reactivity and potential application in filter cake removal before cementing. Sheng Huang, Xiaoyang Guo, Wenhui Duan, Xiaowei Cheng, Xingguo Zhang, ... SEM and FTIR. The backbone cleavage and detachment of side groups caused structural failure of polymer ...
Get Price2018-8-12 · 3.4 Characterization of Polyacrylamide Graft Cellulose 63 3.4.1 Scanning Electron Microscopy (SEM) Analysis 63 3.4.2 Fourier Transform Infrared (FTIR) Spectroscopy 63 3.5 Application of Polyacrylamide Graft Cellulose as Flocculant 64 3.5.1 Synthetic Dye Preparation as Textile Wastewater Sample 64 3.5.2 Jar Text Experiment 64
Get Price2018-4-1 · Herein, novel biodegradable, stimuli responsive, chemically cross-linked and porous polyacrylamide/dextran (PAM/D) nanohydrogels hybrid composites are synthesized by in situ polymerization technique with incorporation of reduced nano silver. The interaction of nano silver with PAM in presence of dextran is investigated by Fourier transforms infrared spectroscopy (FTIR) and X …
Get PricePolyacrylamide‐grafted barley (BAR‐g ‐PAM) was synthesized by ceric ion‐based conventional method.The grafting of polyacrylamide chains on the polysaccharide backbone was confirmed through various physicochemical techniques such as intrinsic viscosity measurement, 13 C‐NMR spectra, FTIR spectroscopy, elemental analysis, scanning electron microscopy morphology, thermogravimetric ...
Get Price2017-3-15 · Polyacrylamide/graphene (PAM/GO) based nanocomposites were synthesized and applied as flocculating agent for cleansing the solvent phase. In order to obtain the better dispersion of the graphene nanoplatelets in matrix the functionalization was carried out using acid and upon analytical characterization the successful fine dispersion of FGNp was found in the PAM matrix.
Get Price2018-8-12 · 3.4 Characterization of Polyacrylamide Graft Cellulose 63 3.4.1 Scanning Electron Microscopy (SEM) Analysis 63 3.4.2 Fourier Transform Infrared (FTIR) Spectroscopy 63 3.5 Application of Polyacrylamide Graft Cellulose as Flocculant 64 3.5.1 Synthetic Dye Preparation as Textile Wastewater Sample 64 3.5.2 Jar Text Experiment 64
Get PriceSynthesis and application of nonionic . 2006-6-15 · The objectives of this study were to investigate: (1) the predominant mechanisms of bonding between nonionic polyacrylamide and smectite and (2) if the nonionic acrylamide units in charged copolymers reacted with smectite similarly as the homo-polyacrylamide. 2. Materials and methods2.1.
Get PriceDegradation of high molecular weight polyacrylamide by alkali-activated persulfate: reactivity and potential application in filter cake removal before cementing. Sheng Huang, Xiaoyang Guo, Wenhui Duan, Xiaowei Cheng, Xingguo Zhang, ... SEM and FTIR. The backbone cleavage and detachment of side groups caused structural failure of polymer ...
Get PricePolyacrylamide‐grafted barley (BAR‐g ‐PAM) was synthesized by ceric ion‐based conventional method.The grafting of polyacrylamide chains on the polysaccharide backbone was confirmed through various physicochemical techniques such as intrinsic viscosity measurement, 13 C‐NMR spectra, FTIR spectroscopy, elemental analysis, scanning electron microscopy morphology, thermogravimetric ...
Get Price2015-3-15 · Polyacrylamide‐grafted barley (BAR‐g‐PAM) was synthesized by ceric ion‐based conventional method. The grafting of polyacrylamide chains on the polysaccharide backbone was confirmed through various physicochemical techniques such as intrinsic viscosity measurement, 13C‐NMR spectra, FTIR spectroscopy, elemental analysis, scanning electron microscopy morphology, …
Get Price2019-7-31 · 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.
Get PriceAbstract Polyacrylamide zirconium (IV) iodate was synthesized using the sol–gel technique. The synthesis conditions such as reactant concentrations and temperature were changed to optimize the ion exchange properties of the hybrid organic–inorganic
Get Price2016-3-15 · Read 'Synthesis and application of nonionic polyacrylamide with controlled molecular weight for fracturing in low permeability oil reservoirs, Journal of Applied Polymer Science' on DeepDyve, the largest online rental service for scholarly research with thousands of …
Get Price2016-10-26 · In this study, a novel magnetic polyacrylamide (PAM) coagulant based on the core of magnetite (Fe 3 O 4), with oleic acid serving as modifier and acrylamide as monomer, was synthesized to remove suspended solids in kaolin-suspended water.The composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermo gravimetric analysis and scanning electron …
Get Price2019-9-2 · Polyacrylamide Grafted Magnetic Cellulose (PAM-g- mcOPEFB) 54 3.4 Characterization of Flocculants 55 3.4.1 Fourier Transform Infrared Spectroscopy (FTIR) 56 3.4.2 Vibrating Sample Magnetometer (VSM) 56 3.4.3 Elemental Analysis of Flocculants 56 3.4.4 Zeta Potential Analysis 57 3.5 Flocculation Study 57 3.5.1 Jar Test Experiment 57
Get PriceApplication of TiO 2 /Polyacrylamide Core–Shell Nanocomposite as an ... (XRD), Fourier transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Results showed that the core–shell structure of the TiO 2 /polyacrylamide (PAM) with an average ...
Get PriceSynthesis and application of nonionic . 2006-6-15 · The objectives of this study were to investigate: (1) the predominant mechanisms of bonding between nonionic polyacrylamide and smectite and (2) if the nonionic acrylamide units in charged copolymers reacted with smectite similarly as the homo-polyacrylamide. 2. Materials and methods2.1.
Get Price2012-3-8 · Polyacrylamide chains (PAM) were grafted onto the backbone of gum ghatti by microwave assisted method. The grafting of the PAM chains on the polysaccharide backbone was confirmed through intrinsic viscosity study, FTIR spectroscopy, elemental analysis (C, H & N) and SEM morphology study.
Get Price2017-8-8 · Protein-imprinted polyacrylamide (PAM)-grafted calcium alginate (CaA) microspheres were synthesized via free-radical grafting polymerization with potassium persulfate and sodium bisulfite as initiators. FTIR, 13C-NMR and SEM were used for ...
Get PriceGlass Properties. Glass Transition Temperature= 165C. Molecular Weight. (Average)= 5000000-6000000. SpectraBase Batch ID. InmObW9cspk. Technique. ATR, FILM (CAST FROM TRICHLOROETHANOL)
Get Price2016-10-26 · In this study, a novel magnetic polyacrylamide (PAM) coagulant based on the core of magnetite (Fe 3 O 4), with oleic acid serving as modifier and acrylamide as monomer, was synthesized to remove suspended solids in kaolin-suspended water.The composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermo gravimetric analysis and scanning electron …
Get PriceThe hydrolysis of polyamides has been studied in buffered acid solution at 110°C. at an amide concentration of 0.05 M.In the case of polyacrylamide, the reaction was carried out in acetate buffer at different values of the ratio r (acetic acid/sodium acetate). The initial velocity is low and is proportional to the concentration of acetic acid; the rate constant is equal to 2.6 × 10 −6 ...
Get Pricehydrolysis of polyacrylamide hydrogels was also roughly calculated by FTIR spectroscopy.18 Since ionic content is one of the most important parameters that affect swelling, knowledge of the real acrylamide/acrylate ratio in these hydrogels is a subject of interest. The aim of the present work
Get Price2019-9-2 · Polyacrylamide Grafted Magnetic Cellulose (PAM-g- mcOPEFB) 54 3.4 Characterization of Flocculants 55 3.4.1 Fourier Transform Infrared Spectroscopy (FTIR) 56 3.4.2 Vibrating Sample Magnetometer (VSM) 56 3.4.3 Elemental Analysis of Flocculants 56 3.4.4 Zeta Potential Analysis 57 3.5 Flocculation Study 57 3.5.1 Jar Test Experiment 57
Get PriceThe adsorption of a low molecular weight unmodified polyacrylamide (Polymer-N) and a hydroxyl-substituted polyacrylamide (Polymer-H) onto talc was studied using in situ particle film ATR-FTIR spectroscopy in the multiple internal reflection mode. Spectra of the adsorbed polymer were collected as a function of increasing concentration and as a function of time.
Get Price2013-12-24 · FTIR provided the support for the formation of P(AM-DAC-BA). In the dewatering experiments of the waste sludge, it presented a good sludge dewatering performance that, with 40 mg·L −1 P(AM-DAC-BA) at pH 7, the residual turbidity of supernatant and dry solid content were up to 38 NTU and 28.5%, respectively.
Get PriceA FTIR spectroscopy procedure to determine the acrylate/acrylamide ratio in these hydrogels was proposed based on absorbance at 1410 cm-1 (nCOO-) and 2940 cm-1 (nCH and nCH2). A straight line with a good linear correlation coefficient (0.998) was obtained by plotting the acrylate content (Ac%) versus relative absorbance (Arel = A1410/A2940).
Get Price2015-2-24 · Polyacrylamide (PAAm) hydrogel networks are formed in an aqueous medium and mainly used in electrophoresis application [9]. Polyacrylamide gel electrophoresis (PAGE) is a popular method for protein and DNA characterization [9]. It has been shown that PAAm are non-toxic even though acrylic acid monomer indicated the
Get PricePolyacrylamide grafted gum ghatti (GGI-g-PAM) has been Mishra, S., Rani, U., & Sen, G. (2012). Microwave initiated synthesis and application synthesized by microwave assisted technique, which involved a of polyacrylic acid grafted carboxymethyl cellulose.
Get PricePolyacrylamide modification of halloysite nanotubes surface by inverse emulsion polymerisation and their application in reinforcing PTFE Zhi-Lin Cheng1 , Xing-Yu Chang1, Zan Liu1, Dun-Zhong Qin2 1College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou City, Jiangsu 225002, People’s Republic of China
Get Price2015-12-13 · PROPERTY: UNIT: VALUE RANGE: PREFERRED: Molar Volume V m: mL mol-1: 54.6: Density ρ: g mL-1: 1.30: Solubility Parameter δ: MPa 1/2: Molar Cohesive Energy E coh: J ...
Get Pricehydrolysis of polyacrylamide hydrogels was also roughly calculated by FTIR spectroscopy.18 Since ionic content is one of the most important parameters that affect swelling, knowledge of the real acrylamide/acrylate ratio in these hydrogels is a subject of interest. The aim of the present work
Get PriceThe adsorption of a low molecular weight unmodified polyacrylamide (Polymer-N) and a hydroxyl-substituted polyacrylamide (Polymer-H) onto talc was studied using in situ particle film ATR-FTIR spectroscopy in the multiple internal reflection mode. Spectra of the adsorbed polymer were collected as a function of increasing concentration and as a function of time.
Get PriceApplication of TiO 2 /Polyacrylamide Core–Shell Nanocomposite as an ... (XRD), Fourier transform infrared (FTIR) spectroscopy, dynamic light scattering (DLS), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Results showed that the core–shell structure of the TiO 2 /polyacrylamide (PAM) with an average ...
Get PriceSynthesis and application of nonionic . 2006-6-15 · The objectives of this study were to investigate: (1) the predominant mechanisms of bonding between nonionic polyacrylamide and smectite and (2) if the nonionic acrylamide units in charged copolymers reacted with smectite similarly as the homo-polyacrylamide. 2. Materials and methods2.1.
Get PriceThen, a second polyacrylamide (PAAM) network was incorporated into the pre-prepared hydrogel to form a double network (DN) hydrogel. The compositions of these DN hydrogels were characterized by Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS).
Get PriceA FTIR spectroscopy procedure to determine the acrylate/acrylamide ratio in these hydrogels was proposed based on absorbance at 1410 cm-1 (nCOO-) and 2940 cm-1 (nCH and nCH2). A straight line with a good linear correlation coefficient (0.998) was obtained by plotting the acrylate content (Ac%) versus relative absorbance (Arel = A1410/A2940).
Get PriceGround tire rubber (GTR) was processed using an auto-thermal extrusion as a prerequisite to green reclaiming of waste rubbers. The reclaimed GTR underwent a series of tests: thermogravimetric analysis combined with Fourier-transform infrared spectroscopy (TGA-FTIR), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and static headspace and gas …
Get PriceIn the present work, the results of Fourier transform infrared (FTIR) and atomic force microscopy (AFM) studies of films of chitosan acetate (ChA), polyacrylamide (PAM), and their mixtures are presented. The morphology of the ChA and PAM films and their mixtures was studied by tappingmode atomic force microscopy (AFM). The topography images were considered by determining the root mean square ...
Get Price2018 Oil Field Drilling Chemicals Raw Materials Anionic Polyacrylamide For Saudi Arabia , Find Complete Details about 2018 Oil Field Drilling Chemicals Raw Materials Anionic Polyacrylamide For Saudi Arabia,Polyacrylamide Emulsions Handbook,Polyacrylamide Flocculant,Polyacrylamide Ftir from Supplier or Manufacturer-Anhui Eapearl Chemical Co., Ltd.
Get PriceSynthesis and application of nonionic . 2006-6-15 · The objectives of this study were to investigate: (1) the predominant mechanisms of bonding between nonionic polyacrylamide and smectite and (2) if the nonionic acrylamide units in charged copolymers reacted with smectite similarly as the homo-polyacrylamide. 2. Materials and methods2.1.
Get PricePolyacrylamide (PAM) is often used a part of a treatment train for the treatment of stormwater to reduce its turbidity. This study investigated the application of PAM within various treatment systems for a construction site environment.
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