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anionic polyacrylamide reaction in germany

  • Dispersion polymerization of anionic polyacrylamide in

    2017-8-27 · stirred reaction system. The polymerization was allowed to proceed for 22 h and then the anionic polyacrylamide dispersions were obtained. The apparent viscosity of the dispersions was measured at 25 °C with a HAAKE RS 600 Rheometer (Thermo Haake Co., Ltd., Germany). The micromorphology of the anionic polyacrylamide

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  • ANIONIC POLYACRYLAMIDE | Ataman Kimya A.Ş.

    Anionic Polyacrylamide is widely used in Oil & Gas, water treatment, textile, printing and dyeing, papermaking, mineral processing, coal washing, medicine, sugar, breeding, building materials, agriculture and other industries. It is known as the most widely used additive. Anionic polyacrylamide is the generic name for a group of very high ...

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  • Anionic polyacrylamide-assisted construction of thin

    Thin 2D/2D WO 3 /g-C 3 N 4 Step-scheme (S-scheme) heterojunction with carbon doping and bridge (C-W/N) was constructed with anionic polyacrylamide (APAM), in which APAM functioned as an assistant templet and a carbon source. APAM and WO 3 were inserted into g-C …

    Get Price
  • POLYACRYLAMIDE IN AGRICULTURE AND

    2010-11-20 · Anionic polyacrylamide (PAM) has been sold since 1995 to reduce irrigation-induced erosion and enhance infiltration. Its soil stabilizing and flocculating properties improve runoff water quality by reducing sediments, N, dissolved reactive phosphorus (DRP) and total P, chemical oxygen demand (COD), pesticides, weed seeds, and microorganisms in ...

    Get Price
  • Quality Anionic Polyacrylamide Powder & Cationic ...

    ISO Approval Anionic Polyacrylamide Flocculant For Drilling Mud Additives. Appearance: White Powder. Molecular Weight: 15-30(million). Dissolving Time: ≤60 (min) Contact Now.

    Get Price
  • Anionic polyacrylamide efficiency in goethite removal

    2018-10-22 · Anionic polyacrylamide (PAM, Korona) was characterized by average molecular weight (M w) equal to 13,000 kDa and 40% share of ionizable groups. Its pK a parameter was equal to 5.3, whereas the dissociation degree ( α ) was as follows: at pH 5—0.33, pH 5.3—0.5, pH 7—0.98, pH 9—0.99 (Szewczuk-Karpisz et al. 2018 ).

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  • Application of Polyacrylamide in Papermaking -

    Used for papermaking retention and drainage agent is often polyacrylamide modified products, including anionic polyacrylamide (APAM), cationic polyacrylamide (CPAM) and amphoteric polyacrylamide (ampam), with a relative molecular weight of between 200 to 400 million. APAM in general and other cationic compounds constitute a complex system to ...

    Get Price
  • Polyacrylamide - an overview | ScienceDirect Topics

    Polyacrylamide hydrogel (PAH) is an extensively cross-linked polymeric soft tissue filler substance, that has been used in the Ukraine, Russia, and China for the past 15–20 years (Christensen et al., 2003; Christensen and Breiting, 2006). It was originally introduced to aesthetic surgery under the name of Royamid in the Ukraine in the late 1980s.

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  • Polyacrylamide - an overview | ScienceDirect Topics

    Polyacrylamide (PAA) Polyacrylamides are water-soluble synthetic linear polymers made of acrylamide or the combination of acrylamide and acrylic acid. Polyacrylamide finds applications in pulp and paper production, agriculture, food processing, mining, and as a flocculant in wastewater treatment. Polyacrylamide undergoes thermal degradation at ...

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  • Anionic Polymerization - an overview | ScienceDirect

    When synthesizing cyclic polystyrene by anionic polymerization, generally homodifunctional anionic initiators such as potassium naphthalenide were used to prepare living polymers. The living PS anionic chain ends were then coupled with either dibromo-p-xylene or dichlorodimethylsilane in highly diluted conditions (Roovers, 1983). This procedure requires fractional precipitation to remove excess homo …

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  • Impact of anionic polyacrylamide on stability and surface ...

    2017-4-10 · Impact of anionic polyacrylamide on stability ... The reaction of polyacrylamide with hyamine proposed by Crummet and Hummel [28] was applied. The solution turbidity was measured after 15 min using the ... Netzsch (Germany) under the following operational condi-tions: heating rate of 10 °C/min, a dynamic atmosphere of ...

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  • Effects of Anionic Polyacrylamide on Carbonation for

    2015-2-25 · The effects of different types of anionic polyacrylamide (PAM) on crystallization behavior of precipitated calcium carbonate (PCC) prepared via carbonation using calcium hydroxide and carbon dioxide gas. The percentage of aragonite phase increased higher reaction temperature. The use of anionic PAM resulted in the formation of larger PCC aggregates than in the case of PCC crystallized …

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  • Turbidimetric Determination of Anionic Polyacrylamide in ...

    Polyacrylamide Calibration Curve and Method Validation Using the turbidity readings obtained by the hyamine–PAM reaction, PAM calibration curves (plots of PAM concentration vs. turbidity) were constructed individually as a factorial combination of three anionic PAMs, five solution compositions

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  • The mechanism of anionic polyacrylamide adsorption

    2018-11-1 · An anionic polyacrylamide – AN PAM (Korona) with a high-molecular weight and various ionic contents was applied in experiments as an adsorbate.The full description of applied polymeric samples is presented in Table 2.The dissociation degree of carboxyl groups in the PAM macromolecules was determined by means of the potentiometric titration method (Wiśniewska et al., 2015b, …

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · 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 …

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  • PAM Polyacrylamide & Flocculants & Oilfield

    Wanna buy efficent anionic and cation flocculants, nonionic polyacrylamide, amphoteric polymer as well as coagulants, Sinofloc is no doubt your best choice. Visit our website, and buy products meet your requirements. 86-10-8595 8198 [email protected] en es ru pt. Home; About Us. About Sinofloc Why Choose Us.

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  • Polyacrylamide Emulsion - Sinofloc Chemical

    Polyacrylamide emulsion is prepared by dispersion or inverse emulsion polymerization, which is a form of polyacrylamide liquid present. Besides the characteristics of solid polyacrylamide flocculants, through the molecular chain of polar groups to adsorb suspended solids in the water particles, the emulsion could formats the large flocs through bridge between the particles or electricity.

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  • Anionic polyacrylamide influence on the lead(II) ion ...

    2020-5-23 · Polymeric substances, as soil conditioners, limit the erosion process as well as improve the soil structure. The same macromolecular compounds may influence the heavy metal accumulation in soil environment. The main aim of this study was investigation of anionic polyacrylamide (AN PAM) effect on the lead(II) ion sorption on the montmorillonite surface.

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  • Polyacrylamide - an overview | ScienceDirect Topics

    Polyacrylamide hydrogel (PAH) is an extensively cross-linked polymeric soft tissue filler substance, that has been used in the Ukraine, Russia, and China for the past 15–20 years (Christensen et al., 2003; Christensen and Breiting, 2006 ). It was originally introduced to aesthetic surgery under the name of Royamid in the Ukraine in the late ...

    Get Price
  • Polyacrylamide nonionic water-soluble polymer | 9003

    Polyacrylamide nonionic water-soluble polymer; CAS Number: 9003-05-8; Linear Formula: (C3H5NO)n; find Sigma-Aldrich-92560 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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  • Turbidimetric Determination of Anionic Polyacrylamide in ...

    Polyacrylamide Calibration Curve and Method Validation Using the turbidity readings obtained by the hyamine–PAM reaction, PAM calibration curves (plots of PAM concentration vs. turbidity) were constructed individually as a factorial combination of three anionic PAMs, five solution compositions

    Get Price
  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · 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 …

    Get Price
  • Anionic polyacrylamide efficiency in goethite removal

    2018-10-22 · The main aim of the study was to investigate the anionic polyacrylamide (PAM) efficiency as a flocculant relative to goethite particles. This mineral is a toxic waste produced during hydrometallurgical processes and, as a result, poses a threat to the environment. In the experiments, the following analytical methods were applied: potentiometric titration, zeta potential and adsorption amount ...

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  • Turbidimetric Determination of Anionic

    Polyacrylamide. Polyacrylamide production process: Acrylamide aqueous solution is used as a raw material, and polymerization reaction is performed under the action of an initiator. The polyacrylamide gel block generated after the reaction is cut, cut, granulated, dried, and pulverized. According to ionic characteristics, it can be divided into four types: non-ionic, anionic, cationic and ...

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  • Polyacrylamide (PAM) - DXD

    2020-1-17 · 10 to13 July-02, University of Jena, Jena, Germany The Influence of Cationic Polymers on the Performance of Anionic Polymers as Precipitation Inhibitors for Calcium Phosphonates Zahid Amjad and Robert W. Zuhl 9911 Brecksville Road, Cleveland, Ohio 44141 This paper was published in the Phosphorus Research Bulletin (2002), Vol. 12, pp. 59-65.

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  • Polyacrylamide Manufacturers & Suppliers | Brovie

    2015-8-1 · Polyacrylamide PAM acidic hydrolysis, in addition to the AM structure produced by hydrolysis of carboxyl, but also prone to imidization. This reaction increases with the increase of the acidity of the ring, and even becomes the main reaction in the acid condition. In the case of PH 4, 3, 10% of the acyl groups were generated at 40, 6 h, 10% h ...

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  • The Influence of Cationic Polymers on the Performance of ...

    Anionic polyacrylamide (APAM) is a widely used organic polymer flocculent in tailings thickening and shows good performance and high efficiency at low cost, particularly in the treatment of fine particles [9, 10]. For thickened tailings slurries in pipeline transportation, groups of shear tests were conducted, and the variation curves of ...

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  • Effects of Anionic Polyacrylamide on Carbonation

    2015-2-25 · The effects of different types of anionic polyacrylamide (PAM) on crystallization behavior of precipitated calcium carbonate (PCC) prepared via carbonation using calcium hydroxide and carbon dioxide gas. The percentage of aragonite phase increased higher reaction temperature. The use of anionic PAM resulted in the formation of larger PCC aggregates than in the case of PCC crystallized …

    Get Price
  • Fabricating an anionic polyacrylamide (APAM) with

    2017-7-21 · acrylamido-2-methylpropanedimethylammonium chlori de (AMPDAC) [23–25]. The cationic or anionic polyacrylamide exhibited perfect temperature resistance and thickening ability in fresh water. ... optimized reaction conditions. A series of experiments were carried out to investigate the structure ... Karlsruhe, Germany). The apparent viscosities ...

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  • Design and Study of a Novel Thermal-Resistant and

    Thin 2D/2D WO 3 /g-C 3 N 4 Step-scheme (S-scheme) heterojunction with carbon doping and bridge (C-W/N) was constructed with anionic polyacrylamide (APAM), in which APAM functioned as an assistant templet and a carbon source. APAM and WO 3 were inserted into g-C 3 N 4 nanosheet. The carbon, thin planar structure and WO 3 with oxygen vacancies result in fast charge transfer, high quantum ...

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  • Anionic polyacrylamide-assisted construction of

    2008-8-25 · Abstract Anionic polyacrylamide (PAM) is effective at reducing sediment movement by flocculating particles together, which is important in maintaining water quality and erosion ... stressing the importance of the reaction between the base and compound. The interaction of PAM and an oil or water base may yield a specific

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  • Tests of Water and Oil-Based Anionic Polyacrylamide ...

    Polyacrylamide. Polyacrylamide production process: Acrylamide aqueous solution is used as a raw material, and polymerization reaction is performed under the action of an initiator. The polyacrylamide gel block generated after the reaction is cut, cut, granulated, dried, and pulverized. According to ionic characteristics, it can be divided into four types: non-ionic, anionic, cationic and ...

    Get Price
  • Polyacrylamide (PAM) - DXD

    2020-11-29 · The crystallization of calcium carbonate (CaCO 3) in soil controlled by natural organic material was considered a very important reason to enhance the property of ancient Chinese organic Sanhetu (COS), but how the organic material affected the crystallization of CaCO 3 in COS is still unclear.In this paper, a natural organic material (sticky rice, SR) and a synthetic organic material (anionic ...

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  • INFLUENCE OF STICKY RICE AND ANIONIC

    Anionic and cationic polyacrylamide Polyacrylamide is non-toxic and with a high molecular weight and is highly water soluble, and can introduce a variety of ionic groups for adjusting the molecular weight to obtain specific performance; it has good adhesion to many solid surface and dissolved substances, and can adhere or bridge the suspended particles dispersed in the solution for ...

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  • Cas 9003-05-8,Polyacrylamide | lookchem

    2017-3-8 · DETECTION OF ANIONIC POLYACRYLAMIDE BY GPC. By addition of a salt to the eluent, the large increase was observed for the elution volume of the partially hydrolyzed polyacrylamide. This feature was applied to the detection and the separation of the anionic polymers in the technical products of polyacrylamide.

    Get Price
  • DETECTION OF ANIONIC POLYACRYLAMIDE BY

    2020-12-30 · H H 2C C CO NH 2 (iii) The polymerization of acrylamide in water solution is of interest because the rate constant kp for the propogation reaction I is unusually large, the rate constant for termination relatively low, the so called transfer processes (to monomer, to solvent) very

    Get Price
  • Design and Study of a Novel Thermal-Resistant and Shear ...

    2017-7-21 · acrylamido-2-methylpropanedimethylammonium chlori de (AMPDAC) [23–25]. The cationic or anionic polyacrylamide exhibited perfect temperature resistance and thickening ability in fresh water. ... optimized reaction conditions. A series of experiments were carried out to investigate the structure ... Karlsruhe, Germany). The apparent viscosities ...

    Get Price
  • anionic polyacrylamide flocculant for metal industry ...

    2021-7-11 · Anionic Polyacrylamide in Enhanced Oil Recovery (EOR) The performance of anionic polyacrylamide flocculants in thickening, flocculation and rheological regulation plays an important role in oil production. It is widely used in drilling, water plugging, acidified water, fracturing, well washing, completion, drag reduction, scale prevention and ...

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  • INFLUENCE OF STICKY RICE AND ANIONIC

    2020-11-29 · The crystallization of calcium carbonate (CaCO 3) in soil controlled by natural organic material was considered a very important reason to enhance the property of ancient Chinese organic Sanhetu (COS), but how the organic material affected the crystallization of CaCO 3 in COS is still unclear.In this paper, a natural organic material (sticky rice, SR) and a synthetic organic material (anionic ...

    Get Price
  • China Polymer Type Anionic Polyacrylamide

    2021-7-9 · Polymer Type Anionic Polyacrylamide; Polymer Type Anionic Polyacrylamide - China Factory, Suppliers, Manufacturers. The client satisfaction is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and service for Polymer Type Anionic Polyacrylamide, Cas No. 461-58-5, Color Removal Polymer, Water ...

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  • Synthesis and Characterization of Acrylamide-Based

    2014-7-21 · The copolymer of acrylamide (AM) and 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS) was synthesized through radical solution polymerization by potassium persulfate as initiator. By changing the AMPS feed ratio from 10 to 70%, and keeping other reaction conditions constant, different copolymers were synthesized. The techniques of Fourier transform infrared (FTIR) and nuclear …

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  • Cas 9003-05-8,Polyacrylamide | lookchem

    Anionic and cationic polyacrylamide Polyacrylamide is non-toxic and with a high molecular weight and is highly water soluble, and can introduce a variety of ionic groups for adjusting the molecular weight to obtain specific performance; it has good adhesion to many solid surface and dissolved substances, and can adhere or bridge the suspended particles dispersed in the solution for ...

    Get Price
  • Experiment 1: Polymerization of acrylamide in water

    2020-12-30 · H H 2C C CO NH 2 (iii) The polymerization of acrylamide in water solution is of interest because the rate constant kp for the propogation reaction I is unusually large, the rate constant for termination relatively low, the so called transfer processes (to monomer, to solvent) very

    Get Price
  • Water Soluble Polymer Flocculants: Synthesis ...

    < Sponsored Listing Application 1.It is widely used in third time oil extraction and has the most development potential and value in oil extraction thechnology. 2.It is widely used in sewage disposal and recycling, it has very good settleability on metal oxidate with positive charge, the dosage is 1 of traditional inorganic flocculent. 3.The product is also widely used in paper makning ...

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  • chemical flocculant polyacrylamide, chemical

    The crystallization of calcium carbonate (CaCO 3 ) in soil controlled by natural organic material was considered a very important reason to enhance the property of ancient Chinese organic Sanhetu (COS), but how the organic material affected the crystallization of CaCO 3 in COS is still unclear. In this paper, a natural organic material (sticky rice, SR) and a synthetic organic material ...

    Get Price
  • anionic polyacrylamide flocculant for metal industry ...

    2021-7-11 · Anionic Polyacrylamide in Enhanced Oil Recovery (EOR) The performance of anionic polyacrylamide flocculants in thickening, flocculation and rheological regulation plays an important role in oil production. It is widely used in drilling, water plugging, acidified water, fracturing, well washing, completion, drag reduction, scale prevention and ...

    Get Price
  • Floerger AN 900 series Anionic polyacry l a m i d e

    2021-1-4 · Anionic polyacrylamide hse/anpam/dm/9807-1 Environmental fate A. Bioaccumulation Anionic polyacrylamide being totally soluble in water and insoluble in solvents has a very low octanol/water partition coefficient (P ow), and for all practical purposes : log Pow = 0 Thus, the potential for anionic polyacrylamide to bioaccumulate is zero.

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  • Cas 9003-05-8,Polyacrylamide | lookchem

    Anionic and cationic polyacrylamide Polyacrylamide is non-toxic and with a high molecular weight and is highly water soluble, and can introduce a variety of ionic groups for adjusting the molecular weight to obtain specific performance; it has good adhesion to many solid surface and dissolved substances, and can adhere or bridge the suspended particles dispersed in the solution for ...

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  • Boiler Water Treatment Anion Flocculant

    Anionic Polyacrylamide Chemicals Flocculant Water Treatment Polymer. 1. Product characteristics. Anionic polyacrylamide (APAM) series products are water-soluble linear polymers synthesized under high degree polymerization, easily soluble in water, almost insoluble in the benzene, the ether, the aliphatics, the acetone and other common organic ...

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  • DETECTION OF ANIONIC POLYACRYLAMIDE BY GPC |

    2017-3-8 · DETECTION OF ANIONIC POLYACRYLAMIDE BY GPC. By addition of a salt to the eluent, the large increase was observed for the elution volume of the partially hydrolyzed polyacrylamide. This feature was applied to the detection and the separation of the anionic polymers in the technical products of polyacrylamide.

    Get Price
  • Transfer and degradation of polyacrylamide based ...

    2021-7-13 · 1 Title: Transfer and degradation of polyacrylamide based flocculants in hydrosystems: a review 2 3 Authors: A. G. Guezennec1, C. Michel1, K.Bru1, S. Touze1, N. Desroche2, I. Mnif3, M. Motelica-Heino4 4 1 BRGM 5 2 Nexidia SAS, 15 Rue de Mayence 21000 DIJON France 36 Université de Nice 7 4 ISTO, UMR 7327 CNRS-Université d’Orléans, 1A rue de la Férollerie, 45071 Orléans cedex 2

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  • polyacrylamide acrylamide polymer with oil

    2021-7-12 · polyacrylamide acrylamide polymer with oil exploitation treatment chemical. a aa aaa aaaa aaacn aaah aaai aaas - MIT. acrs acrylamide acrylate acrylic acrylics acrylonitrile acs acsm act acta acte acted actel actes actg acth acti actin acting actinic actinopterygii action actionable actionaid actionevent actionperformed actions actionsc...

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  • polyacrylamide gel primarily used as dry

    Polyacrylamide Uses. It can be used according to the features on the oil fields (stratum, mineralization and the viscosity of the polymer solution filled). 6. Others Anionic polyacrylamide polymers for agriculture use PAM Polyacrylamide use for soil Polyacrylamide in textile auxiling agents Cationic polyacrylamide applied in sugar making industry

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  • preparation of nano-modified polyacrylamide and its

    Preparation of Nano-Modified Polyacrylamide and Its. To satisfy the requirement on solid-liquid separation in high-density waste drilling mud, prepare the nano-modified polyacrylamide(PAM) flocculant for high density waste drilling mud by in-situ dispersion method, direct dispersion method and simultaneous formation method.

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  • Dispersion polymerization of anionic polyacrylamide in an ...

    2017-8-27 · stirred reaction system. The polymerization was allowed to proceed for 22 h and then the anionic polyacrylamide dispersions were obtained. The apparent viscosity of the dispersions was measured at 25 °C with a HAAKE RS 600 Rheometer (Thermo Haake Co., Ltd., Germany). The micromorphology of the anionic polyacrylamide

    Get Price
  • ANIONIC POLYACRYLAMIDE | Ataman Kimya A.Ş.

    Anionic Polyacrylamide is widely used in Oil & Gas, water treatment, textile, printing and dyeing, papermaking, mineral processing, coal washing, medicine, sugar, breeding, building materials, agriculture and other industries. It is known as the most widely used additive. Anionic polyacrylamide is the generic name for a group of very high ...

    Get Price
  • Anionic polyacrylamide-assisted construction of thin

    Thin 2D/2D WO 3 /g-C 3 N 4 Step-scheme (S-scheme) heterojunction with carbon doping and bridge (C-W/N) was constructed with anionic polyacrylamide (APAM), in which APAM functioned as an assistant templet and a carbon source. APAM and WO 3 were inserted into g-C …

    Get Price
  • POLYACRYLAMIDE IN AGRICULTURE AND

    2010-11-20 · Anionic polyacrylamide (PAM) has been sold since 1995 to reduce irrigation-induced erosion and enhance infiltration. Its soil stabilizing and flocculating properties improve runoff water quality by reducing sediments, N, dissolved reactive phosphorus (DRP) and total P, chemical oxygen demand (COD), pesticides, weed seeds, and microorganisms in ...

    Get Price
  • Quality Anionic Polyacrylamide Powder & Cationic ...

    ISO Approval Anionic Polyacrylamide Flocculant For Drilling Mud Additives. Appearance: White Powder. Molecular Weight: 15-30(million). Dissolving Time: ≤60 (min) Contact Now.

    Get Price
  • Anionic polyacrylamide efficiency in goethite removal

    2018-10-22 · Anionic polyacrylamide (PAM, Korona) was characterized by average molecular weight (M w) equal to 13,000 kDa and 40% share of ionizable groups. Its pK a parameter was equal to 5.3, whereas the dissociation degree ( α ) was as follows: at pH 5—0.33, pH 5.3—0.5, pH 7—0.98, pH 9—0.99 (Szewczuk-Karpisz et al. 2018 ).

    Get Price
  • Application of Polyacrylamide in Papermaking -

    Used for papermaking retention and drainage agent is often polyacrylamide modified products, including anionic polyacrylamide (APAM), cationic polyacrylamide (CPAM) and amphoteric polyacrylamide (ampam), with a relative molecular weight of between 200 to 400 million. APAM in general and other cationic compounds constitute a complex system to ...

    Get Price
  • Polyacrylamide - an overview | ScienceDirect Topics

    Polyacrylamide hydrogel (PAH) is an extensively cross-linked polymeric soft tissue filler substance, that has been used in the Ukraine, Russia, and China for the past 15–20 years (Christensen et al., 2003; Christensen and Breiting, 2006). It was originally introduced to aesthetic surgery under the name of Royamid in the Ukraine in the late 1980s.

    Get Price
  • Polyacrylamide - an overview | ScienceDirect Topics

    Polyacrylamide (PAA) Polyacrylamides are water-soluble synthetic linear polymers made of acrylamide or the combination of acrylamide and acrylic acid. Polyacrylamide finds applications in pulp and paper production, agriculture, food processing, mining, and as a flocculant in wastewater treatment. Polyacrylamide undergoes thermal degradation at ...

    Get Price
  • Anionic Polymerization - an overview | ScienceDirect

    When synthesizing cyclic polystyrene by anionic polymerization, generally homodifunctional anionic initiators such as potassium naphthalenide were used to prepare living polymers. The living PS anionic chain ends were then coupled with either dibromo-p-xylene or dichlorodimethylsilane in highly diluted conditions (Roovers, 1983). This procedure requires fractional precipitation to remove excess homo …

    Get Price