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nonionic polyacrylamide viscosity concentration in chile

  • in chile how to control polyacrylamide viscosity ...

    2021-5-20 · How to Control Polyacrylamide Viscosity - Sinofloc Chemical. Increasing the temperature could decrease the viscosity, but the effect is not significant. The viscosity of nonionic polyacrylamide solution is not affected by the pH value. However, when the PH value is over 9, the viscosity of polyacrylamide is quickly increased due to hydrolysis.

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  • How to Control Polyacrylamide Viscosity - Sinofloc Chemical

    High molecular weight polyacrylamide concentration is difficult to deal with when the concentration is over 8%. Increasing the temperature could decrease the viscosity, but the effect is not significant. The viscosity of nonionic polyacrylamide solution is not affected by the pH value.

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  • Nonionic Polyacrylamide Flocculant - Sinoloc Supplier

    Anionic polyacrylamide solution viscosity reflects mainly due to internal friction between molecules of the liquid flow generated by the movement or relative. Friction within the structure of the polymer, the nature of the solvent, solution concentration and temperature and pressure and other factors, the greater its value, indicating that the greater the viscosity of the solution.

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  • Factors influence the viscosity of polyacrylamide -

    1999-10-1 · Above this concentration, saturation of binding between polymer and surfactant occurs. To achieve self-consistent interpretation of DLS and viscosity measurements there must be an increase in the molecular weight of the polymer–surfactant complex in the narrow surfactant concentration range of 0.1–1.0 mM. Two polymers with different molecular weights interact with …

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  • Interactions between the nonionic surfactant and ...

    2021-7-8 · The concentration of anionic and nonionic polyacrylamide is generally 1 ‰ to 2 ‰. Generally, the dissolution time of cations and anions is about one hour, and that of non-ionic is about one and a half hours. 4. When dissolving, when …

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  • Use and Notice of Nonionic Polyacrylamide - IRO Oil ...

    2016-12-1 · Next, according to the China national standard GB-T12005. 1–89, the dilution method was applied in order to determinate the intrinsic viscosity of polyacrylamide in the polymer solutions, and the acrylamide polymer molecular weight of degradation was calculated at 0 h (i.e., without the addition of acid), 1 h, 10 h, and 100 h.

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  • Investigation of the degradation and stability of ...

    2016-12-9 · The results show that the introduced nonionic surfmer along polymer chain can lead to a strong intermolecular hydrophobic association in water. The viscosity and surface activity increased with the increase of polymer concentration and nonionic surfmer concentration. Additionally, the polymer showed a good thermal stability and good salt tolerance.

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  • Study on the self-assembly properties of surface active ...

    2019-7-31 · investigate the in uence of concentration of monomers on intrinsic viscosity and occulation performance of branched cationic polyacrylamide, the concentration of Cu(III) was.% of total monomers, the reaction temperature was kept constant at C, and the reaction time was kept constant at.h, while the mass concentration of total monomers was

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  • in chile how to control polyacrylamide viscosity ...

    2021-5-20 · Factors influence the viscosity of polyacrylamide. Anionic polyacrylamide solution viscosity over prolonged hydrolysis time is changed, the hydrolysis time is short, a small viscosity, which may be due to polymer had a chance to form a network structure due; hydrolysis time is too long, the viscosity decreased, which is an anionic polymer release induced by acrylamide …

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  • Factors influence the viscosity of polyacrylamide -

    2015-06-01 16:40:08. Factors influence the viscosity of polyacrylamide. Anionic polyacrylamide solution viscosity reflects mainly due to internal friction between molecules of the liquid flow generated by the movement or relative. Friction within the structure of the polymer, the nature of the solvent, solution concentration and temperature and ...

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  • Nonionic polyacrylamide of KemSep 1143 can be

    2020-7-14 · The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by the variation of NPAM or PEI concentration, and a quadratic model was developed by statistical ...

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  • The Thermal Gelation Behavior and Performance

    Paper industry in polyacrylamide dispersing agent is composed of cationic polyacrylamide with low relative molecular weight, due to its molecular chain containing carboxyl and on electronegative fiber with dispersion effect, can improve the viscosity of pulp, is conducive to the fiber suspension and effectively improve the sheet uniformity is a long fiber of high efficient dispersant.

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  • Application of Polyacrylamide in Papermaking -

    2020-7-14 · Weight Nonionic Polyacrylamide and Polyethyleneimine mixtures for indepth Water Control in Mature Oilfields Yi Qin 1, Ruiquan Liao 2, Shunshe Luo 1,*, and Junliang Li 2 1 Hubei Cooperative Innovation Center of Unconventional Oil and Gas, Yangtze University, Wuhan, 430100, China; [email protected] (Y.Q.); [email protected] (S.L.)

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  • The thermal gelation behavior and performance evaluation ...

    2020-1-14 · With an increase in the PAETAC concentration, the intrinsic viscosity of the cationic polyacrylamide emulsion decreased, while the apparent viscosity of the crude product increased when the PAETAC concentration was 0.5-0.6 g/g-monomer; when the PAETAC concentration was lower than 0.4 g g-monomer, the crude product was uneven and unstable;

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  • Preparation of cationic polyacrylamide microsphere ...

    The effect of a low molecular weight nonionic surfactant and an acrylic associative thickener on the rheology of polyacrylamide in aqueous glycerol solutions under steady shear was experimentally investigated. The nonionic surfactant (Tween20), associative thickener (Acrysol TT935) and polyacrylamide (Separan AP30) underwent complex molecular interactions in solution as …

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  • Effects of nonionic surfactant and associative thickener ...

    2016-12-9 · The results show that the introduced nonionic surfmer along polymer chain can lead to a strong intermolecular hydrophobic association in water. The viscosity and surface activity increased with the increase of polymer concentration and nonionic surfmer concentration. Additionally, the polymer showed a good thermal stability and good salt tolerance.

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  • Study on the self-assembly properties of surface active ...

    Anionic Polyacrylamide Emulsion, High Viscosity Pam Emulsion, Emulsified Cationic Flocculant manufacturer supplier in China, offering High Viscosity Anionic Polyacrylamide (PAM) Emulsion, Solid Polydadmac Powder for Water Treatment Coagulant (poly diallyl dimethyl ammonium chloride), Aerobic Tank Bacteria for Wastewater Treatment and so on.

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  • how to control polyacrylamide viscosity - aladine.be

    Empirical Correlations for Viscosity of Polyacrylamide. The conventional polymer such as partially hydrolyzed polyacrylamide (HPAM) is commonly used in the Enhanced Oil Recovery (EOR) processes to control the mobility ratio and to improve the sweep efficiency (Myagchenkov and Kurenkov, 1991; Lee et al., 2009).

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  • The Thermal Gelation Behavior and Performance Evaluation ...

    2020-7-14 · The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by the variation of NPAM or PEI concentration, and a quadratic model was developed by statistical ...

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  • Synthesis and application of nonionic polyacrylamide with ...

    2016-3-15 · Nonionic polyacrylamide (NPAM) with controlled molecular weight was successfully synthesized as a gel fracturing fluid by aqueous solution polymerization. The effects of the monomer concentration, initiator concentration, reaction time, feeding temperature and reaction temperature on the molecular weight were systematically investigated through single‐factor and …

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  • Acid hydrolysis reaction of polyacrylamide and its ...

    Acidic hydrolysis of polyacrylamide: partial acidic conditions under the hydrolysis of PAM, the hydrolysis rate with temperature increased and pH decreased and accelerate (Note: acid can strengthen the PAM hydrolysis, but under acidic conditions of hydrolysis of PAM rate is alkaline hydrolysis much slower, so often need to under high temperature.

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  • Interactions between the nonionic surfactant and ...

    2020-5-7 · Interactions between the nonionic surfactant and polyacrylamide studied by light scattering and viscometry Khine Yi Myaa, Alexander M. Jamiesonb, Anuvat Sirivata,* aThe Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand bDepartment of Macromolecular Science, Case Western Reserve University, Cleveland, OH, USA Received 9 June …

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  • Preparation of cationic polyacrylamide microsphere ...

    2020-1-14 · With an increase in the PAETAC concentration, the intrinsic viscosity of the cationic polyacrylamide emulsion decreased, while the apparent viscosity of the crude product increased when the PAETAC concentration was 0.5-0.6 g/g-monomer; when the PAETAC concentration was lower than 0.4 g g-monomer, the crude product was uneven and unstable;

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  • Viscosity Enhancer Anionic Emulsion Polyacrylamide in ...

    Anionic Polyacrylamide Emulsion, High Viscosity Pam Emulsion, Emulsified Cationic Flocculant manufacturer supplier in China, offering High Viscosity Anionic Polyacrylamide (PAM) Emulsion, Solid Polydadmac Powder for Water Treatment Coagulant (poly diallyl dimethyl ammonium chloride), Aerobic Tank Bacteria for Wastewater Treatment and so on.

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  • POLYPRO Anionic and Nonionic Polymers Data Sheet

    2017-9-26 · POLYPRO anionic and nonionic polymers are high molecular weight, water-soluble flocculating agents made by the co- polymerization of acrylamide with itself or various anionic (negatively charged) monomers. These polymers are available in both liquid emulsion and granular dry solid grades and cover the full spectrum of charges from 0 to 100%.

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  • Viscosity and retention of sulfonated polyacrylamide ...

    2010-9-30 · The viscosity at high temperature has been studied as a function of aging time, shear rate, sulfonation degree, molecular weight, and concentration of IBA. The retention in porous medium for sulfonated polyacrylamide polymers was measured in …

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  • Effects of Temperature on the Flow Dynamics of a Model ...

    1999-9-23 · The interaction between a model hydrophobically modified, alkali-soluble emulsion (HASE) polymer and a nonionic surfactant, C12EO4, was investigated in this work. The addition of the nonionic surfactant increases the viscosity and moduli of the polymer up to the maximum concentration of 0.1 M. The low-shear viscosity, plateau modulus, and hence the effective …

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  • Nonionic Polyacrylamide - NUOER GROUP

    Nonionic polyacrylamide is homopolymer formed of acrylamide, with high purity, good soEubility. high molecular weight. This series of products are with high molecular weight polymer and liner polymer low ion degree. Because of its special groups, and endow it with flocculation and dispersion, thickening and bonding. film. gel. stable colloidal.

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  • Synthesis and application of nonionic polyacrylamide with ...

    2016-3-15 · Nonionic polyacrylamide (NPAM) with controlled molecular weight was successfully synthesized as a gel fracturing fluid by aqueous solution polymerization. The effects of the monomer concentration, initiator concentration, reaction time, feeding temperature and reaction temperature on the molecular weight were systematically investigated through single‐factor and …

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  • Long-term toxicity of anionic and nonionic polyacrylamide ...

    The toxicity of 7 polyacrylamide flocculants (AG) was tested on fish. The 48-h LC 50 of A and B (nonionic) to carp (Cyprinus carpio), goldfish (Carassius auratus) and Japanese killifish (Oryzias latipes) were high, and those of C, E and G (anionic) were low to some extent, but the range of the values was between 150 and 530 mg·L-1.Nevertheless, 48-h LC 50 of C to nibblers (Girella …

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  • Effect of nonionic surfactant (X-100) on the rheological ...

    Polyacrylamide solutions are widely used in modern technology as thickening agent, for turbulent reduction and many other uses. They have been extensively used in enhanced oil recovery. In many cases, polyacrylamide comes into contact with surfactants which lead to a change in its rheological properties. In this study, an experimental work was carried out to investigate the effect of the ...

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  • Preparation of cationic polyacrylamide microsphere ...

    2020-1-14 · With an increase in the PAETAC concentration, the intrinsic viscosity of the cationic polyacrylamide emulsion decreased, while the apparent viscosity of the crude product increased when the PAETAC concentration was 0.5-0.6 g/g-monomer; when the PAETAC concentration was lower than 0.4 g g-monomer, the crude product was uneven and unstable;

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  • Adsorption of Polyacrylamides on Kaolinite and Its ...

    2003-2-20 · The intrinsic viscosity of the homopolymer was found to be 1.8 41/g in 1 M HaCl at 30.C, using a 175 Cannon-Ubbelhode visco-Mter. Using the Mark-BouiDk equation (T - ga) with ~ - 3.73 x 10-4 and a - 0.66, the viscosity average molecular weight i. estimated to …

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  • EFFECT OF ELECTROLYTE CONCENTRATION IN PROCESS

    2019-2-11 · Figure 20. Effect of pH and electrolyte concentration on the intrinsic viscosity of anionic polyacrylamide flocculant (PAM) at 25 °C. ..... 40 Figure 21 Reduced viscosity vs PAM concentration for different sodium chloride solutions

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  • Viscosity Enhancer Anionic Emulsion Polyacrylamide in ...

    Anionic Polyacrylamide Emulsion, High Viscosity Pam Emulsion, Emulsified Cationic Flocculant manufacturer supplier in China, offering High Viscosity Anionic Polyacrylamide (PAM) Emulsion, Solid Polydadmac Powder for Water Treatment Coagulant (poly diallyl dimethyl ammonium chloride), Aerobic Tank Bacteria for Wastewater Treatment and so on.

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  • Preparation and properties of amphoteric polyacrylamide by ...

    2011-3-23 · The best conditions were seeded reaction time 1.75h and the mass ratio 0.75. The apparent viscosity of AmPAM dispersion depended on the number of particles, particle size and low molecular weight polymer concentration in the continuous phase. AmPAM showed both anti‐polyelectrolyte effect and polyelectrolyte effect. POLYM. ENG.

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  • Empirical Correlations for Viscosity of Polyacrylamide ...

    2015-6-2 · Empirical Correlations for Viscosity of Polyacrylamide Solutions with the Effects of Concentration, Molecular Weight and Degree of Hydrolysis of Polymer Author: Muhammad R. Hashmet, Mustafa Onur and Isa M. Tan Subject: Journal of Applied Sciences Keywords: Viscosity, polyacrylamide solutiory, enhanced oil recovery Created Date

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  • Polyacrylamide-Treated Kaolin clay: A Fabric Study

    Fabric changes in sedimentation, viscosity, and liquid limit behavior in the presence of polyacrylamide corresponding to the change in the type of particle association are observed in SEM. Floc/aggregate size and density tend to increase with increasing polyacrylamide concentration, showing the formation of more larger, denser flocs.

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  • Water - Soluble Nonionic Polyacrylamide Particle Size 20 ...

    2018-9-7 · High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity …

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  • china non ionic polyacrylamide manufacturers and suppliers

    2017-4-27 · Viscosity average molecular weight of polyacrylamide The viscosity average molecular weight of polyacrylamides was carried out by determining the intrinsic viscosities of the polyacrylamides using Ubbelohede viscometer, no. 4809 ASTM at 25 ± 0.1ºC. The polyacrylamide solutions were prepared in distilled water.

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  • Polyacrylamide degradation and its implications in ...

    Polyacrylamide solutions are widely used in modern technology as thickening agent, for turbulent reduction and many other uses. They have been extensively used in enhanced oil recovery. In many cases, polyacrylamide comes into contact with surfactants which lead to a change in its rheological properties. In this study, an experimental work was carried out to investigate the effect of the ...

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  • Synthesis and Characterization of Different Molecular ...

    1999-3-3 · Low-molecular-weight high-charge-density cationic diallyldimethylammonium chloride homopolymer (polyDADMAC) was grafted onto high-molecular-weight nonionic polyacrylamide (PAM) via a free radical mechanism using a gamma radiation technique. The graft copolymer systems were characterized in terms of viscosity, composition, gel content, degree of grafting …

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  • Effect of nonionic surfactant (X-100) on the rheological ...

    2019-4-3 · concentration (C) and the critical entanglement concentration (C*). When the polymer concentration (C) was less than C* (C < C*), the plot of the viscosity versus surfactant concentration exhibited a minimum. When C > C*, a maximum in the viscosity versus surfactant concentration plot was observed. The interactions between nonionic polymer and

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  • Grafting polyelectrolytes onto polyacrylamide for ...

    Hybrid of hydrophobically modified polyacrylamide–silica nanoparticles emerged as a promising strategy for achieving enhanced stability and high viscosity. We experimentally explain the role of nanoparticles in bridging between polymer chains leading to an increase in the hydrodynamic radius and consequently the viscosity of the hybrid.

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  • Interactions between drag reducing polymers and surfactants

    2020-12-30 · As the molecular weight increases, the viscosity of the polymer solution increases. Typically, the 'zero shear' viscosity varies with the molecular weight (M) and concentration (c) as follows; η (0) ~ c2.5 M3.4 (2) Viscosity measurement using Stokes Law: (See addendum on the Falling Ball Viscometer) A solid sphere (of radius R and density ρ S

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  • Reprinted from Adsorption From Aqueous Solutions P.H ...

    2003-2-21 · ADSORPTION OF POLYACRYLAMIDE 147 FIGURE 2 Diagram illustrating changes in reduced viscosity of polyacrylamide with aging of the solutions under higher temperature conditions (60.C). ~ 4--e-a ~ 3 U) 0 u U):> 2 u i&: U ~ 1 0 oJ g 0 oJ ~ FIGURE 3 T'UE,mlft Diagram i.llu~trilting changes in reduced viscosity of polyacrylamide in alkaline solutions.

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  • Stability of polyacrylamides in hard brines at elevated ...

    2021-7-11 · Viscosity retention was also found to be extremely shear-rate dependent. Other naturally occurring polymers exhibited variable performance. In alkaline brines, polyacrylamides were stable up to 90/sup 0/C (194/sup 0/F) for long periods of time, whereas xanthan was degraded at >50/sup 0/C (>122/sup 0/F).al « less.

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  • EFFECT OF INTERACTIONS BE'lWEEN SULFONATED

    2003-3-6 · creased relative viscosity of a nonionic-polyacrylamide sample (PAM) at pH 10.8 existed even after 53 h of aging indicating such continued hydrolysis. Adsorption of PAMS on hematite at pH 11 during equilibration will be in-fluenced by the rate of hydrolysis of the -CONH2 to -COOH as well as the attendant dissociation of the -COOH to -COO- groups.

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  • Interactions between drag reducing polymers and surfactants

    2019-4-3 · concentration (C) and the critical entanglement concentration (C*). When the polymer concentration (C) was less than C* (C < C*), the plot of the viscosity versus surfactant concentration exhibited a minimum. When C > C*, a maximum in the viscosity versus surfactant concentration plot was observed. The interactions between nonionic polymer and

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  • NPAM Nonionic Polyacrylamide Industrial Water Treatment ...

    NPAM Nonionic Polyacrylamide Industrial Water Treatment Chemicals . Non-ionic polyacrylamide of our company is produced on acrylamide by homopolymerization. High purity, good solubility. This product has received ISO9001 quality system certification. 1. It is mainly used for sludge dewatering,beneficiation, coal washing and separation of solid ...

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  • Alken& Solutions N3100L - nonionic wastewater polymer ...

    2007-2-12 · NONIONIC POLYMER TO AID COAGULATION AND WATER CLARIFICATION. DESCRIPTION: ALKEN® SOLUTIONS N3100L is a white water-oil emulsion, nonionic polyacrylamide. Alken® Solutions N3100L draws pin floc into a more stable floc for easier filtration. Performs best in a pH range of 7.0 - 9.0, although performance is possible within the …

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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 synthesis and properties of a multi-branched non-ionic ...

    The new polyacrylamide had a better stability when pH value was under 12. Flocculation properties of the product were evaluated in terms of transmittance, removal of organic contaminant and solid suspending substances. Influences of pH, concentration of PAM and PAM/PA on flocculation efficiency of PAM were examined.

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  • Polyacrylamide PAM Flocculant for Water Treatment -

    Polyacrylamide PAM, with the chemical formula of (C3H5NO)n and the CAS NO. of 9003-05-8, is a linear polymer. Polyacrylamide polymer has good thermal stability, can be dissolved in water in any proportion, and the aqueous solution is a uniform and transparent liquid. PAM is one of the most widely used water-soluble polymers.

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  • Synthesis and properties of polyacrylamide by ...

    2017-1-1 · The concentration of the clay NPs in HPAM solution must be under a threshold value. In the experiments presented in this Letter, threshold concentration seems to be about 0.9 percent of weight. The present investigation showed that ultrasonic resulted in properties of physical changes, including the reduction of viscosity and PS.

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  • Synthesis, characterization, rheological behavior, and ...

    Guoqing Jiang, Fengqi Liu, Effect of Mineral Salts on Steady Rheological Properties of Nonionic Hydrophobically Modified Polyacrylamide and Its Stress-Relaxation Behavior, Journal of Macromolecular Science, Part A, 10.1080/10601325.2014.843397, 50, 12, (1209-1217), (2013).

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  • Friction Reduction and Suspension in High TDS Brines - PFP ...

    2017-10-18 · Example 4 presents data for suspension tests performed using FloPRO coated 20/40 sand and combinations of high molecular weight anionic polyacrylamide (e.g., POLYglide A-FRE-4) and a nonionic or amphoteric polyacrylamide (e.g., N-5141, N-5142, N-5144, NFRD, FloJET, or ZFRD). The results are shown in Table 4.

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  • nonionic polyacrylamide applications producers

    Preparation of Nonionic Polyacrylamide Flocculant . Nonionic polyacrylamide is a water-soluble polymer or polyelectrolyte. Because there are a certain number of polar groups in its molecular chain, it can bridge the suspended solid particles in water, bridge the particles or neutralize the particles by charge to form large flocs. Get Price

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  • polyacrylamide crystals in egypt - badoc.info

    Polyacrylamide nonionic water-soluble polymer Sigma-Aldrich. Polyacrylamide is used in the preparation of acrylamide gels for separation of proteins. Biochem/physiol Actions Polyacrylamide is a water-soluble polymer made up of acrylamide subunits. It increases the viscosity of water and facilitates the flocculation of particles present in water.

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  • US2020308473A1 SURFACTANT COMPOSITION ... -

    This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic surfactant and an

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  • The Thermal Gelation Behavior and Performance Evaluation ...

    A delayed crosslinked polymer gel was developed for indepth water control in mature oilfields. The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by the variation of NPAM or PEI concentration…

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  • Surface Tension Estimates for Droplet Formation in ...

    2011-9-9 · of nonionic polyacrylamide flocculant and perhaps by contaminants with surfactant properties, which ... because increased viscosity is known to increase the dynamic resistance when creating an interface and ... concentration will be closer to 1 ppm in the process slurry. At this concentration, the effect of the ...

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  • EFFECT OF INTERACTIONS BE'lWEEN SULFONATED

    2003-3-6 · creased relative viscosity of a nonionic-polyacrylamide sample (PAM) at pH 10.8 existed even after 53 h of aging indicating such continued hydrolysis. Adsorption of PAMS on hematite at pH 11 during equilibration will be in-fluenced by the rate of hydrolysis of the -CONH2 to -COOH as well as the attendant dissociation of the -COOH to -COO- groups.

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  • RSC Advances

    26 Synergism of water-soluble hydrophobically associating polyacrylamide 27 (HA-PAM) with nonionic surfactant laurel alkanolamide (LAA) was investigated via 28 the rheology, fluorescence spectroscopy and dissipative particle dynamics (DPD) 29 simulation methods. The viscosity and elasticity of HA-PAM solutions increased in

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  • Polyacrylamide Emulsion - Shandong Hongcheng -

    Description :. Polyacrylamide emulsion ( Anionic/cationic/nonionic ) is one kind of high efficiency liquid flocculants with high concentration, polymerized in the oil by using water-in-oil emulsion advanced technology and W/O emulsifier, with high conversion rate, high molecular weight, high stability, multi-function, instant, etc.. Application :. 1.Used as paper retention for …

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  • The synthesis and properties of a multi-branched non-ionic ...

    The new polyacrylamide had a better stability when pH value was under 12. Flocculation properties of the product were evaluated in terms of transmittance, removal of organic contaminant and solid suspending substances. Influences of pH, concentration of PAM and PAM/PA on flocculation efficiency of PAM were examined.

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  • anionic polyacrylamide pam for wastewater treatment ...

    2021-6-9 · China Anionic Cationic Sugar Industry Paper Retention Aid. waste water treatment chmicals flocculant cationic coagulant pam powder Polyacrylamide, abbr. PAM, is a kind of water soluble polymer, has unique effect to increase the viscosity of water or to promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid.

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  • [PDF] Synergistic mechanism between laurel alkanolamide ...

    Synergism of water-soluble hydrophobically associating polyacrylamide (HA-PAM) with nonionic surfactant laurel alkanolamide (LAA) was investigated via the rheology, fluorescence spectroscopy and dissipative particle dynamics (DPD) simulation methods. The viscosity and elasticity of HA-PAM solutions increased in a large LAA concentration range, which was principally ascribed to the …

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  • Synthesis, Characterization, and Aqueous Properties of an ...

    3.2. Effect of Surfmer DPA Concentration on Intrinsic Viscosity. The intrinsic viscosity of polymers was enhanced by the increasing dose of DPA (Table 1).This was mainly because the hydrophilic and hydrophobic groups of DPA could induce hydrophobic association in solutions, forming dynamic network structures, which enlarged the macromolecular hydrodynamic volume.

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  • Effect of Reaction Conditions on the Particle Morphology ...

    2012-4-27 · Table II indicates that the intrinsic viscosity of AmPAM decreased with increasing of the dispersant concentration, but the viscosity of AmPAM dispersion increased instead, which was in accordance with former research on cationic and anionic polyacrylamide. 13 – 15, 19 The intrinsic viscosity of AmPAM was determined if the radicals grew up in ...

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