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anionic polyacrylamide hydrolysis in austria

  • 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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  • Turbidimetric Determination of Anionic Polyacrylamide in ...

    Polyacrylamide is a broad class of synthetic organic polymers formed by the polymerization of acrylamide (AMD) units, and it can be synthesized to have specific chemical properties, including net charge (anionic, neutral, or cationic), charge density (% hydrolysis), and molecular weight. Cationic PAMs

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  • Asian Journal of Chemistry; Vol. 25, No. 13 (2013), 7071 ...

    Anionic polyacrylamide (APAM) is a kind of polyacryl-amide (P AM) and sho ws electr one ga tive w hic h contains func-tional groups of sulfonic acid, phosphoric acid or carboxylic acid1. Due to more charge, the molecular chain of polymer can be more stretching in the water which will increase the

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  • Anionic Polyacrylamide Chemicals Flocculant Water ...

    1988-5-1 · It is well known that base hydrolysis of polyacrylamide obeys autoretarded kinetics due to the electrostatic repulsion between the anionic reagent and the polymeric substrate3-5. In the range of slightly acid pH (3 < pH < 5), Smets and Hesbain6 have demonstrated a mechanism of intramolecular catalysis by neighbouring carboxylate groups that are not dissociated.

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  • Anionic Flocculant Hydrolyzed Polymer Pam

    A study was made of the low-temperature hydrolysis of high-moleculer-weight polyacrylamide Praestol under the action of NaOH in dilute aqueous solution. Th Preparation of Anionic Flocculant by Alkaline Hydrolysis of Polyacrylamide (Praestol 2500) in Aqueous Solutions and Its Use for Water Treatment Purposes | SpringerLink

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  • Hydrolysis of polyacrylamide and acrylic acid

    1999-3-1 · The anionic polyacrylamide (anam1) is a copolymer consisting of acrylamide and acrylic acid moieties. Nonionic poly-acrylamide (nonam1) is a high molecular weight homopolymer. According to the data supplied by the manufacturer, all the three cationic and anionic poly acrylamides have a copolymer composition of 30 mole% adjusted according to the co -monomer feed mole ratios.

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  • Anionic Polyacrylamide Flocculant|APAM Powder

    2021-6-2 · Anionic polyacrylamide APAM [ APAM Properties] According to different uses, anionic polyacrylamide is sorted into two kinds of manufacturing technique. 1. Homopolymerization ( hydrolysis and posthydrolysis of Non-ionic polyacrylamide). 2. Copolymerization ( acrylamide, acrylic acid …

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  • Hydrolysis of polyacrylamide and acrylic acid

    1988-5-1 · The present paper deals with the hydrolysis kinetics in the range of neutral pH for which few reliable data are available. It is well known that base hydrolysis of polyacrylamide obeys autoretarded kinetics due to the electrostatic repulsion between the anionic reagent and the polymeric substrate3-5.

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  • Chemical flocculants - Kemira

    We produce anionic powder flocculants polyacrylamides (ADPAM) with anionic charge density ranging from 0-100%. We also offer anionic inverse emulsion (AEPAM) flocculants in a standard range plus in extremely high molecular weight via Kemira’s proprietary emulsion hydrolysis …

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  • Anionic Flocculant Hydrolyzed Polymer Pam

    High molecular weight, linear polyacrylamide (PAM) with anionic charge is added to agricultural soils as an anti-erosion additive. Research indicates that soil microorganisms are able to utilize PAM as a source of N and that inorganic N pools are altered in some PAM-treated soils.

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  • Polyacrylamide as a substrate for microbial amidase in ...

    Anionic polyacrylamide (APAM) is a copolymer of acrylamide and acrylate. It is a water-soluble linear polymer flocculant. It neutralizes the charge on the surface of suspended particles in water to promote particle flocculation, thereby destabilizing the particles in the water. The particles are adsorbed to each other under the bridging effect ...

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  • Polyacrylamide, Anionic Polyacrylamide, flocculant

    Anionic polyacrylamide. Anoinic polyacrylamdie APAM flocculant. Anionic polyacrylamide is a kind of water-soluble polymer. it is widely used in oil recovery, mineral processing, coal washing, metallurgy, chemicals, paper, textile, agriculture and other industries.

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  • Nonionic polyacrylamide - Gongyi Xinqi Chemical

    Anionic polyacrylamide as flocculants for water treatment 9003-05-8,It is widely used in Industrial wastewater;oil drilling/recovery, textile, wastewater treatment, paper -making industry, mine and metallurgy etc_OKCHEM

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  • Anionic polyacrylamide as flocculants for water

    1999-3-1 · The viscosity average molecular weights, M v of the polymers were estimated by the Mark–Houwink equation. The literature reported values for k=1.05×10 −4 dl g −1 and α=0.73 for the cationic, k=1.91×10 −4 dl g −1 and α=0.71 for the nonionic polyacrylamides and k=3.20×10 −4 dl g −1 and α=0.66 for the anionic polyacrylamide were used. Viscosity measurements of polymers in 1 M ...

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  • Dilute solution behaviour of polyacrylamides in

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

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  • Anionic Polyacrylamide Flocculant|APAM Powder

    2021-6-2 · Anionic polyacrylamide APAM [ APAM Properties] According to different uses, anionic polyacrylamide is sorted into two kinds of manufacturing technique. 1. Homopolymerization ( hydrolysis and posthydrolysis of Non-ionic polyacrylamide). 2. Copolymerization ( acrylamide, acrylic acid …

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  • Anionic Polyacrylamide Less Price High Purity Fast

    Anionic Polyacrylamide. From us, you can easily purchase Anionic Polyacrylamide at great prices. Place online order and we will dispatch your order through DHL, FedEx, UPS. You can also request for a quote by mailing us at [email protected]

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  • Chemical flocculants - Kemira

    We produce anionic powder flocculants polyacrylamides (ADPAM) with anionic charge density ranging from 0-100%. We also offer anionic inverse emulsion (AEPAM) flocculants in a standard range plus in extremely high molecular weight via Kemira’s proprietary emulsion hydrolysis …

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  • Anionic polyacrylamide as flocculants for water

    Anionic polyacrylamide as flocculants for water treatment 9003-05-8,It is widely used in Industrial wastewater;oil drilling/recovery, textile, wastewater treatment, paper -making industry, mine and metallurgy etc_OKCHEM

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  • Copper Mining Wastewater Flocculant Anionic

    Copper Mining Flocculant Medium Molecular Weight Anionic Polyacrylamide The mining industry consume large amounts of water, used in: The ore washing and flotation, useful minerals and worthless gangue separation.Many minerals such as iron, coal, phosphate, diamonds, zinc, uranium, such as sand are adopting this technology.At this time, the ...

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  • PAM polyelectrolyte High viscosity partial hydrolysis ...

    PAM polyelectrolyte High viscosity partial hydrolysis anionic polyacrylamide for paper making in Iran marketing Polyacrylamide Wikipedia Polyacrylamide (IUPAC poly(2-propenamide) or poly(1-carbamoylethylene), abbreviated as PAM) is a polymer (-CH 2 CHCONH 2 …

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  • China PAM-Anionic Polyacrylamide manufacturers

    2021-7-2 · Anionic Polyacrylamide. Appearance. White Fine-Sand Shaped. Powder. Milky White. Emulsion. Molecular Weight. 15million-25million l onicity Viscosity 6-10. Degree of Hydrolysis% 10-40. 30-35. Solid Content% ≥90. 35-40. Shelf Life. 12 Months. 6 Months. Note: Our product can be made upon your special request.

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  • Polyacrylamide in Oilfield - Sinofloc Chemical

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

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  • Cationic polyacrylamide copolymers (PAMs):

    2017-4-14 · PHPA (Partially Hydrolyzed Polyacrylamide) Powder should be added in fresh water to get a highly viscous drilling fluid in Delhi. The marsh funnel viscosity for clay or shale formation should be ≥ 50 seconds per quart and ≥ 60 seconds per quart for sandstone or unconsolidated sand. Soluble up to 20 gm per liter giving viscous solution.

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  • Polyacrylamide used in Oil Field - Cellulose Ether

    2019-3-23 · Hydrolysis Degree Form Anionic Polyacrylamide , fast dissolution, high temp. and salinity resistance 11-13 Medium high Powder 18-20 Medium Emulsio n/Powder 22-5 High Emulsio n/powder Functions: •Change the waer penetration status, reduce water cut in oilfield and maintainn the formation energy, •Can gengrate interpenetration

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  • China PAM-Anionic Polyacrylamide manufacturers

    2021-7-2 · Anionic Polyacrylamide. Appearance. White Fine-Sand Shaped. Powder. Milky White. Emulsion. Molecular Weight. 15million-25million l onicity Viscosity 6-10. Degree of Hydrolysis% 10-40. 30-35. Solid Content% ≥90. 35-40. Shelf Life. 12 Months. 6 Months. Note: Our product can be made upon your special request.

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  • Polyacrylamide in Oilfield - Sinofloc Chemical

    2021-4-23 · 16 million Anionic Polyacrylamide - Buy Polyacrylamide;PHPA;PAM from China at Exportimes.com.

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  • 16 million Anionic Polyacrylamide - China

    Anionic Polyacrylamide: It is the white powder. The APAM with the molecular weight of 4,000,000-26,000,000 has good water solubility, and it can be dissolved in water by …

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  • Anion Polyacrylamide by Anhui Jucheng Fine

    Blufloc Polyacrylamide (PAM) Polyelectrolyte is water soluble polymer with Anionic, Cationic and Nonionic types. The range of molecular weight is different, Anionic is from 5-22 million, Cationic is from 5-12 million and Nonionic is from 5-12 million, with a charge density ranging from 0-60%.

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  • Cationic Polyacrylamide Zetag Manufacturer,Cationic ...

    Polyacrylamide application Anionic polyacrylamide 1, mainly used as a flocculant: for suspended particles, coarse, high concentration, particle with positive charge, water pH is neutral or alkaline water, due to the anionic polyacrylamide molecular chain containing a certain amount of polar groups to adsorption of solid particles suspended in ...

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  • Polyacrylamide by Zhengzhou Jintai Water Treatment

    Anionic polyacrylamide Specification 1. Appearance: White granule or powder 2. Molecular weight: 8-20million minimum 3. Solid content: 90% minimum 4. Hydrolyzing degree: , 20-30% 5. Dissolving time: Less than one hour (normal degree) 6. Insoluble: 0.5% maximum 7. Monomer free: 0.05% maximum Anionic polyacrylamide Application 1.

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  • China Apam, Anionic Polymer Acrylamide, for Sewage

    2021-2-23 · Production and Application of Triblock Hydrolysis Lignin-Based Anionic Copolymers in Aqueous Systems Sanaz Sabaghi, Niloofar Alipoormazandarani, and Pedram Fatehi* Cite This: ACS Omega 2021, 6, 6393−6403 Read Online ACCESS Metrics & More Article Recommendations *sı Supporting Information ABSTRACT: Although lignin is currently an under ...

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  • Production and Application of Triblock Hydrolysis Lignin ...

    Abstract. Polyacrylamides (PAm), including copolymers having acrylamide as the major component, have been a popular model system in many recent studies of water-soluble polymersl 1–13.In the literature there is general agreement that longer heating of dilute aqueous PAm solutions at higher temperatures favors the formation of carboxylates.

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  • Planet Chemicals - Anionic Polyacrylamide PAA118

    2015-11-26 · Sales Office Address: Planet Chemicals Pte Ltd 18 Boon Lay Way, #07-108 Tradehub 21, Singapore 609966 Contact Phone : (65) 6795 9116 Fax: (65) 6795 8556

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  • China Anionic Polyacrylamide Manufacturers,

    2021-4-23 · 16 million Anionic Polyacrylamide - Buy Polyacrylamide;PHPA;PAM from China at Exportimes.com.

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  • 16 million Anionic Polyacrylamide - China

    anionic polyacrylamide pam, anionic pam: Economical White Powder Anionic Polyacrylamide For Shale And Soil Stabilizaiton . Specifications: Appearance: Off-White Granular Powder: Ionic Charge: Anionic: Particle Size: 20-100 mesh: Molecular Weight: High: Hydrolysis Degree: High: Solid Content: 89% Min: Approximate Brookfield viscosity at 25° C ...

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  • Flocculant Sludge Dewatering Anionic Polyacrylamide

    Polyacrylamide. As an ISO 9001:2008 certified organization, we are highly dedicated towards manufacturing and supplying a quality assured array of Polyacrylamide. These are available in a powder form and required mainly for removing water content from sludge and also for treating waste water generated through various industries.

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  • Polyacrylamide Exporter, Manufacturer & Supplier ...

    英文名称: anionic polyacrylamide Technical Index: Item Type Appearance Molecular Weight (10 thousand) Solid Content % Ion Degree or Degree of Hydrolysis % Residual Monomer % Range of Application Anionic White particle or powder 300—2200 ≥88 ≥88 ...

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  • Anionic Flocculant Polyacrylamide For Merrill Crowe ...

    Adsorption of Anionic Polyacrylamide on the Surface of Ion Exchange Membranes DENG Meng-jie1,YU Shui-li1,2,SHI Wen-xin1,YI Xue-song1(1.State Key Laboratory of Urban Water Resources and Environment,Harbin Institute of Technology,Harbin 150090,China;2.State Key Laboratory of Pollution Control and Resource Reuse,Tongji University,Shanghai 200092 ...

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  • Adsorption of Anionic Polyacrylamide on the Surface

    Blufloc Polyacrylamide (PAM) Polyelectrolyte is water soluble polymer with Anionic, Cationic and Nonionic types. The range of molecular weight is different, Anionic is from 5-22 million, Cationic is from 5-12 million and Nonionic is from 5-12 million, with a charge density ranging from 0-60%.

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  • Cationic Polyacrylamide Zetag Manufacturer,Cationic ...

    Degree of ion or hydrolysis residual monomer range of application anionic White granules or powders 300—2200 ≥88 degree of hydrolysis 10-35 ≤0.2 Water has a neutral or alkaline PH cationoid white granule 500-1200 ≥88 I onic 5-80 ≤0.2 Belt type centrifugal

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  • ANIONIC POLYACRYLAMIDE POLYMER ADSORPTION

    2003-6-1 · The objective of the present study was to evaluate the effect of the electric field associated with the basal and edge surfaces of the clay minerals on the adsorption of anionic polymers. Two negatively charged polymers, PAM90 and ACC86, of the same molecular weight (2×10 5 g mol −1 ) but with different degrees of hydrolysis (90 and 20% ...

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  • Planet Chemicals - Anionic Polyacrylamide PAA118

    2015-11-26 · Sales Office Address: Planet Chemicals Pte Ltd 18 Boon Lay Way, #07-108 Tradehub 21, Singapore 609966 Contact Phone : (65) 6795 9116 Fax: (65) 6795 8556

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  • ACRYLAMIDE AND POLYACRYLAMIDE - IHS Markit

    Anionic Polyacrylamide from Polyacrylonitrile . . . . . . . 395 Anionic Polyacrylamide from Polyacrylonitrile Effect of Operating Level and Plant Capacity on Production Cost . ... Acrylamide by Sulfuric Acid Process--Hydrolysis and Neutralization

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  • APAM Anionic Polyacrylamide Flocculant Suppliers ...

    2014-10-16 · In the drinking water and wastewater treatment, anionic polyacrylamide is used in the surface water clarification. APAM adopt the technique of adding alkali in the propenamide and then make them homopolymerization and hydrolysis, after granulation, drying and crushing, it appears as a small white powder of granular solids. Uses: 1.

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  • China Anionic Polyacrylamide Manufacturers,

    anionic polyacrylamide pam, anionic pam: Economical White Powder Anionic Polyacrylamide For Shale And Soil Stabilizaiton . Specifications: Appearance: Off-White Granular Powder: Ionic Charge: Anionic: Particle Size: 20-100 mesh: Molecular Weight: High: Hydrolysis Degree: High: Solid Content: 89% Min: Approximate Brookfield viscosity at 25° C ...

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  • Flocculant Sludge Dewatering Anionic Polyacrylamide

    2014-10-16 · Polyacrylamide is a polymer (-CH2CHCONH2-) formed from acrylamide subunits, it is long-chain polymer (same molecule repeating itself many times) designed to attract either positively charged particles (organic materials, such as carbon or human waste) or negatively charged particles (inert materials, such as sand or clay). The abbreviation of polyacrylamide is PAM, it is a chemical which ...

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  • Anionic/Cationic PAM|Polyacrylamide Polymer

    2003-3-6 · however, hydrolysis can take place and the kinetics of hydrolysis is a com-plex function of temperature, polymer concentration and type and concen-tration of comonomers and hydroxyl groups on the polymer. The anionic polyacrylamide (PAMS) employed in this study contains 3 mol% of sulfonated groups; existence of some -COOH groups also cannot be

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  • ACRYLAMIDE AND POLYACRYLAMIDE - IHS Markit

    Anionic Polyacrylamide from Polyacrylonitrile . . . . . . . 395 Anionic Polyacrylamide from Polyacrylonitrile Effect of Operating Level and Plant Capacity on Production Cost . ... Acrylamide by Sulfuric Acid Process--Hydrolysis and Neutralization

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  • anionic polymers - unitechap.com

    2010-10-4 · Depending on different applications and different requirement of the customers, our products can be made by three different manufacturing processs-1) hydrolyzation of non-ionic polyacrylamide (post-hydrolysis), 2) hydrolyzation during polymerization (co-hydrolysis), and 3) copolymerization of acrylamide and acrylic acid.

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  • APAM Anionic Polyacrylamide Flocculant Suppliers ...

    2014-10-16 · In the drinking water and wastewater treatment, anionic polyacrylamide is used in the surface water clarification. APAM adopt the technique of adding alkali in the propenamide and then make them homopolymerization and hydrolysis, after granulation, drying and crushing, it appears as a small white powder of granular solids. Uses: 1.

    Get Price
  • Poly-Acrylamide (PAM) - NCSU

    VEKEN Anionic Polyacrylamide (APAM). Product Description: VEKEN Anionic Polyacrylamide (APAM) is a high polymerization, high molecular and water soluble polymer; it can be used in the petroleum, mineral separation, coal washing, metallurgy, chemical industry, paper-making, textile, sugar making, medicine, environment protection, building material and agriculture.

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  • Anionic Polyacrylamide APAM-Renqiu Cheng Yi

    According to ionic characteristics, it can be divided into four types, non-ionic polyacrylamide, anionic polyacrylamide, cationic polyacrylamide and amphoteric polyacrylamide.At present, the PAM water treatment is generally anionic type, that is, adding an appropriate amount of sodium hydroxide to hydrolyze, so that part of the amide group becomes carboxyl, and the degree of hydrolysis is ...

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  • Polyacrylamide PAM Flocculant for Water Treatment -

    2021-6-13 · 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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  • Transfer and degradation of polyacrylamide based ...

    2021-4-29 · Type:Non-ionic Anionic CationicAppearance:White powder Molecular weight(million) 5-8 10-25 8-12 Solid content,% ≥88.0 ≥88.0 ≥88.0 Degree of hydrolysis,% ≤5.0 5-100 -- Cationic degree----5-60 Type Non-ionic Anionic Cationic Appearance:White powder ...

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  • Anionic Polyacrylamide Polymers Effect on

    2002-1-1 · Polyacrylamide (PAM) is a long-chain synthetic polymer that acts as a strengthening agent, binding clay particles together. The interaction between anionic PAM and clay particles is not well understood yet. This interaction was evaluated by rheological measurements for …

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  • pH-Dependent Gelation of a Stiff Anionic

    Cross-linking of polysaccharides by metal ions provides polymer gels highly required by industrial applications. In this article, we study the rheological properties and microstructure of solutions of a stiff anionic polysaccharide xanthan cross-linked by chromium (III) ions, and we demonstrate that their properties are highly sensitive to the preparation pH. Stable gels are obtained in a wide ...

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