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properties of polyacrylamides polymer introductions

  • Polymer Properties Database - polymerdatabase.com

    2020-7-27 · Thermophysical Properties Of Polymers How to Browse. This index is organized alphabetically. Click on the letters A to Z to the left to peruse the list of polymer classes, then click on the links below to view the thermophysical properties of a polymer. Polyacrylamides General Structure: Poly(acrylamide) Poly(N-isopropyl acrylamide)

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  • Effect of polyacrylamides on the physical properties of ...

    2016-12-19 · The polymer PAM-1011 significantly reduced the steady-state infiltration rate in all sands, and it did this with relatively modest concentrations (< 10 ppm). The polyacrylamide PAM-135 was not effective for this purpose, which indicated that the chemical properties of the polymer (not investigated here) influenced its physical

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  • Quantitative characterization of polyacrylamide–shale ...

    2017-8-25 · Abstract Interaction of polymer-containing injected fluids with shale is a widely studied phenomenon, but much is still unknown about the interaction of charged polyacry-lamides such as anionic and cationic polyacrylamides with shale. The nature of interaction of charged polyacrylamides with shale is not well understood, especially from the

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  • Thermoresponsive properties of poly(N-isopropyl,N ...

    Poly(N-isopropyl,N-methylacrylamide) (PiPMAm) was synthesized to create a new family of thermoresponsive polyacrylamides using the B(C 6 F 5) 3-catalyzed group transfer polymerization (GTP) of N-isopropyl,N-methylacrylamide (iPMAm) with 1-methoxy-1-(triethylsiloxy)-2-methyl-1-propene (SKA Et) as the initiator.The B(C 6 F 5) 3-catalyzed group transfer copolymerization (GTcoP) of iPMAm and …

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · Lee, B. & Schlautman, M. Effects of polymer molecular weight on adsorption and flocculation in aqueous kaolinite suspensions dosed with nonionic polyacrylamides. Water 7 , 5896–5909 (2015).

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  • Characterization of viscoelastic properties of

    Polymer solutions have very important applications in the enhanced oil recovery due to their unique viscoelastic properties increasing microscale displacement efficiency. In this paper, the viscoelastic properties of partially hydrolyzed polyacrylamide (HPAM) solution have been investigated. Results show that the viscoelastic properties of HPAM increase with HPAM concentration increasing, and ...

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  • Charge Effects in the Adsorption of Polyacrylamides on ...

    2003-3-3 · tion. Flocculation properties are correlated with polymer adsorption and particle zeta potential, and mechanisms of flocculation are examined as a function of the charge of the polymer and clay. ionic strength not only affects polymer-solvent interactions in the bulk and at the surface, but also adsorbs competitively on the solid surface [7,9].

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  • Rheological Properties in Aqueous Solution for ...

    2016-10-6 · Rheological Properties in Aqueous Solution for Hydrophobically Modified Polyacrylamides Prepared in Inverse Emulsion Polymerization ShirleyCarro,1 ValeriaJ.Gonzalez-Coronel,2 JorgeCastillo-Tejas,1 HortensiaMaldonado-Textle,3 andNancyTepale2 1FacultaddeCienciasB´asicas,Ingenier ´ıayTecnologıa,UniversidadAutonomadeTlaxcala,CalzadaApizaquitoS/N,

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  • Effect of Cationic Polyacrylamides on the Interactions ...

    2019-12-12 · The interaction between cellulose fibers in the presence of cationic polyacrylamide (CPAM) was analyzed by rheology as a function of polyelectrolyte concentration, charge density, and molecular weight. CPAM was found to strongly influence the yield stress of cellulose suspensions; low doses of CPAM increased the yield stress, but at higher concentrations the yield stress declined. The charge ...

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  • Some aspects of the properties and degradation of ...

    Some aspects of the properties and degradation of polyacrylamides. Some aspects of the properties and degradation of polyacrylamides Chem Rev. ... . Authors Marcus J Caulfield 1 , Greg G Qiao, David H Solomon. Affiliation 1 Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Victoria 3010, Australia.

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  • Effect of polyacrylamides on the physical properties of ...

    2016-12-19 · The polymer PAM-1011 significantly reduced the steady-state infiltration rate in all sands, and it did this with relatively modest concentrations (< 10 ppm). The polyacrylamide PAM-135 was not effective for this purpose, which indicated that the chemical properties of the polymer (not investigated here) influenced its physical

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  • Adsorption of Polyacrylamides on Kaolinite and Its ...

    2003-2-20 · Flocculation is indeed dependent on polymer adsorption, and there are hypotheses correlating the two phenomena, but often these have been pit forth without detailed -.sur~t of the t~ phenomena si81ltaneou.ly (10-13). In this paper. flocculation is investigated as a function of polymer and solution properties

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  • Thermoresponsive properties of poly(N-isopropyl,N ...

    Poly(N-isopropyl,N-methylacrylamide) (PiPMAm) was synthesized to create a new family of thermoresponsive polyacrylamides using the B(C 6 F 5) 3-catalyzed group transfer polymerization (GTP) of N-isopropyl,N-methylacrylamide (iPMAm) with 1-methoxy-1-(triethylsiloxy)-2-methyl-1-propene (SKA Et) as the initiator.The B(C 6 F 5) 3-catalyzed group transfer copolymerization (GTcoP) of iPMAm and …

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · Lee, B. & Schlautman, M. Effects of polymer molecular weight on adsorption and flocculation in aqueous kaolinite suspensions dosed with nonionic polyacrylamides. Water 7 , 5896–5909 (2015).

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  • Characterization of viscoelastic properties of

    Polymer solutions have very important applications in the enhanced oil recovery due to their unique viscoelastic properties increasing microscale displacement efficiency. In this paper, the viscoelastic properties of partially hydrolyzed polyacrylamide (HPAM) solution have been investigated. Results show that the viscoelastic properties of HPAM increase with HPAM concentration increasing, and ...

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  • Selection of Optimal Polyacrylamide for Polymer

    Summary HPAM is a copolymer of acrylamide and acrylic acid, and it is the most common polymer utilized in polymer flooding. Sulfonated polyacrylamides, i.e. copolymers of acrylamide and acrylamide tertiary butyl sulfonic acid (ATBS), are a potential choice for high temperature and harsh salinity reservoirs. The aim of this study was to provide systematic information to aid in the selection of ...

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  • Synthesis, Characterization, and Flocculation

    2019-4-12 · The mechanical properties and flow behavior in porous media of three different polymer systems including a hydrophobically modified acrylamide-based copolymer (HMSPAM), a partially hydrolyzed polyacrylamide (HPAM), and a polysaccharide (xanthan gum) were evaluated to establish their functional differentiation as mobility control agents in enhanced oil recovery (EOR).

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  • Mechanical Properties and Flow Behavior of Polymers

    molecular structure and dynamics properties for a certain spacing. The model clay sheets were kept fixed. The potassium cations, water and polyacrylamides were put within the clay interlayer randomly. Different initial positions of the polyacrylamides were explored

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  • Molecular dynamics simulation of polyacrylamides in ...

    2014-8-6 · 3.5. The Comparison of Physical Properties On the basis the research results above mentioned, unlike traditional polymer, multi-constitutes S-PAM is a new oil displacement polymer which is formed by multi-constitutes graft copolymerization with flexible hydrocarbon chain as the frame based on interactions of molecules.

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  • polyacrylamide | chemical compound | Britannica

    polyacrylamide, an acrylic resin that has the unique property of being soluble in water. It is employed in the treatment of industrial and municipal wastewater. Polyacrylamides are produced by the polymerization of acrylamide (C3H5NO), a compound obtained by the hydration of acrylonitrile.

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  • Polyacrylamide nonionic water-soluble polymer |

    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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  • Selection of Optimal Polyacrylamide for Polymer

    Summary HPAM is a copolymer of acrylamide and acrylic acid, and it is the most common polymer utilized in polymer flooding. Sulfonated polyacrylamides, i.e. copolymers of acrylamide and acrylamide tertiary butyl sulfonic acid (ATBS), are a potential choice for high temperature and harsh salinity reservoirs. The aim of this study was to provide systematic information to aid in the selection of ...

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  • Adsorption of Polyacrylamides on Kaolinite and Its ...

    2003-2-20 · Flocculation is indeed dependent on polymer adsorption, and there are hypotheses correlating the two phenomena, but often these have been pit forth without detailed -.sur~t of the t~ phenomena si81ltaneou.ly (10-13). In this paper. flocculation is investigated as a function of polymer and solution properties

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  • Acrylamide Uses and Production

    2018-5-29 · The physical properties of polyacrylamides are decided by copolymerizing with a variety of different vinylic monomers. Polyacrylamide can be manufactured as cationic, non-ionic, or anionic polymer. Both cationic and anionic polyacrylamides are produced by the process of …

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  • Mechanical Properties and Flow Behavior of

    2019-4-12 · The mechanical properties and flow behavior in porous media of three different polymer systems including a hydrophobically modified acrylamide-based copolymer (HMSPAM), a partially hydrolyzed polyacrylamide (HPAM), and a polysaccharide (xanthan gum) were evaluated to establish their functional differentiation as mobility control agents in enhanced oil recovery (EOR).

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  • Cyclodextrins modify the properties of cationic ...

    The hydrodynamic diameter (D(h)) of cationic polyacrylamides (c-PAM) in water can either decrease or increase dramatically in the presence of small amounts of beta-cyclodextrin (beta-CD). It is proposed that the CD partially disperses the charge on the polymer thereby promoting associations within o …

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  • Introduction to polymer flooding and related

    2018-3-22 · Polymer and Polymer Agents The word polymer comes from the Greek words polys, meaning many, and meros, meaning parts (Chatterji & Borchardt, 1981). A polymer is a very large molecule made up of thousands of repeating blocks. These blocks, known as monomers, join to form polymers, resulting in long chain molecules.

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  • INFLUENCE OF POLYMER CHARGE TYPE AND DENSITY

    2010-11-20 · Polymer adsorption on soils is a function of soil, polymer, and solvent (water) characteristics (Wallace et al., 1986; Aly and Letey, 1988; Shainberg et al., 1990). Adsorption of PAM on clay minerals varies with polymer charge type and density. For montmorill-onite, Aly …

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  • Potential of Repeated Polymer Well Treatments |

    1993-11-1 · Polymer/Silicate Treatment Polymer/Silicate Treatment Although the conventional well treatment techniques have numerous benefits, their efficiency is sometimes doubtful under field conditions. The most common problems are the thermalsensitivity of ionic bonds in in-situ crosslinking and the complexity of methods based on in-situ polymerization.

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  • Shear-Induced Degradation of Linear Polyacrylamide ...

    2001-5-16 · is valid for polymer solutions with (M w/M n) < 3 and peak molecular weights between 102 and 108.23 The LPA solutions used in this study fall within these limits with heterogeneity index (M w/M n) < 2 and peak molecular weights of order 107.22 The viscometric properties of each collected polymer sample were measured using a cone and plate ...

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  • Rheological Properties of PHPA Polymer Support Fluids

    However, the rheological properties of the polymer fluids used in excavation support have not been studied in detail, and there is currently confusion about the choice of mathematical models for this type of fluid. To advance the current state of knowledge, a laboratory ... polyacrylamides (PHPA) also have been used for the construction of deep ...

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  • Rheological Properties in Aqueous Solution for ...

    2017-1-1 · Free Online Library: Rheological Properties in Aqueous Solution for Hydrophobically Modified Polyacrylamides Prepared in Inverse Emulsion Polymerization.(Research Article) by 'International Journal of Polymer Science'; Engineering and manufacturing Copolymers Surface active agents

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  • Experimental investigation of the effect of polymers

    Rheological properties of the EOR polymer solutions depend on the various factors such as a polymer’s molecular properties and concentration, salinity, hardness, shear rate and temperature. Therefore, rheological measurements with commonly employed EOR polymers under various conditions were made and the effect of these factors on the polymer ...

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  • Experiment: Can You Get a Systematic

    2018-3-22 · Polymer and Polymer Agents The word polymer comes from the Greek words polys, meaning many, and meros, meaning parts (Chatterji & Borchardt, 1981). A polymer is a very large molecule made up of thousands of repeating blocks. These blocks, known as monomers, join to form polymers, resulting in long chain molecules.

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  • Introduction to polymer flooding and related agents,

    2014-2-20 · 2.Effects of Poly(N-isopropylacrylamide) on the Solution Properties of Hydrophobically Modified Copolymer, Journal of Polymer Science Part B: Polymer Physics, 2005,43(6) 3.Studies on foam stability by the actions of hydrophobically modified polyacrylamides, Colloid Polymer Science, 2004,282:1292-1296

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  • Dynamic study on water diffusivity of soil with super ...

    2013-7-8 · sandy loam. The main physical properties of the sampled soil are given in Table 1. Two super-absorbent polymers (SAPs), Acrylate Sodium Co-polymers (ASC) and Polyacrylamides (PAM), were used. ASC, in the form of white particles with a diameter of less than 0.02 mm, is ‘‘Kehan 98’’ produced by Hebei Kehan Resin Ltd. PAM, also in the form ...

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  • Angle resolved XPS characterization of cationic ...

    2009-1-20 · In many applications surfaces are modified using polymer films and the polymers used are often complex copolymers. In biomedical applications it is critical to determine the surface properties of a substrate as it is these that mediate the cellular interactions.

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  • Experiment: Can You Get a Systematic

    2014-2-20 · 2.Effects of Poly(N-isopropylacrylamide) on the Solution Properties of Hydrophobically Modified Copolymer, Journal of Polymer Science Part B: Polymer Physics, 2005,43(6) 3.Studies on foam stability by the actions of hydrophobically modified polyacrylamides, Colloid Polymer Science, 2004,282:1292-1296

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  • Polymers | Free Full-Text | On the Role of Polymer ...

    Polymer flooding most commonly uses partially hydrolyzed polyacrylamides (HPAM) injected to increase the declining oil production from mature fields. Apart from the improved mobility ratio, also the viscoelasticity-associated flow effects yield additional oil recovery. Viscoelasticity is defined as the ability of particular polymer solutions to behave as a solid and liquid simultaneously if ...

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  • polyacrylamide safety specifications

    2018-11-15 · 匡卫, 制革功能材料,中国纺织出版社2015.9.10 (学术专著) 匡卫,制革专业概论,中国纺织出版社2015.09.30 (学术专著) 目前承担或参与项目:. 纵向课题. 山东省重点研发计划项目: 具有“自清洁”效应的非织造材料的关键技术开发(No.2016GGX108003)(主持);. · 山东 ...

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  • Polyacrylamides are used in a various applications

    2020-8-24 · Journal of Polymer Science Part A: Polymer Chemistry, 2019, 57:862-868.(SCI检索Q1区,IF:2.59) 5.张浩(第一作者),Determining electrospun morphology from the properties of protein-polymer solutions.Soft matter, 2018, 14:3455-3462.(SCI检索Q1区

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  • Дисертації: 'Polyacrylamides determination' – Grafiati

    2020-5-28 · 孙伟民,博士,讲师 E-mail:outcast191 at nwpu.edu.cn, outcast191 at 163.com QQ:67847523 办公地点:长安校区理学院388室 专业特长:污水处理与资源化利用 水处理功能高分子材料 个人简介 孙伟民,博士,讲师,2004年6月于西安建筑科技大学环境工程 ...

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  • Antibacterial properties of the halogens | Experiment ...

    Polyacrylamide SDS, Polyacrylamide Safety Data . Optimization of safety (flammability) and product performance Maintains carrier fluid properties during prolonged storage of polyacrylamide emulsions With an aromatic content below 0.01 wt%, the new product, Exxsol D100 ULA fluid, meets the stringent U.S. Food and Drug Administration (FDA) and Bundesinstitut für Risikobewertung (BfR) food ...

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  • Polyacrylamide Handbook - SNF Holding Company

    2016-8-19 · of the polymer obtained from this emulsion. In the following paragraphs we call emulsion the commercial product described in page 2 as a polymer suspension in oil. After its dilution in water, this emulsion is destroyed and the result is a true solution of polymer in which are dispersed droplets of oil which give the solution it’s white color.

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  • polyacrylamide | chemical compound | Britannica

    polyacrylamide, an acrylic resin that has the unique property of being soluble in water. It is employed in the treatment of industrial and municipal wastewater. Polyacrylamides are produced by the polymerization of acrylamide (C3H5NO), a compound obtained by the hydration of acrylonitrile.

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  • LINKFLOC - Link Work Co

    Cationic polyacrylamides water-soluble, linear polymer organic polymer, They have the unique physical properties, such as flocculation. By viscous, decentralized nature, such as surfactant. Linkfloc cationic polyacrylamides are co-polymer of acrylamide with increasing proportions of cationic monomers that have positive charge in aqueous solution.

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  • Stability of Partially Hydrolyzed Polyacrylamides at ...

    2009-6-29 · Preparing, Storing, and Studying O 2-Free Polymer Solutions in the Laboratory. Our Method: •Prepare solutions in an anaerobic chamber with 10% H 2 + 90% N2 circulated through Pd catalyst. •O2 levels measured to <0.001% in the chamber atmosphere and to <0.1 ppb in solution. • • • • •-1

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  • Rheological Properties in Aqueous Solution for ...

    2017-1-1 · International Journal of Polymer Science (2017-01-01) Rheological Properties in Aqueous Solution for Hydrophobically Modified Polyacrylamides Prepared in Inverse Emulsion Polymerization Shirley Carro, Valeria J. Gonzalez-Coronel, Jorge Castillo-Tejas, ...

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  • High‐molecular‐weight hydrolyzed polyacrylamides. I ...

    1979-3-1 · Read 'High‐molecular‐weight hydrolyzed polyacrylamides. I. Characterization. Effect of salts on the conformational properties, Journal of Polymer Science (In Two Sections)' on DeepDyve, the largest online rental service for scholarly research with thousands of …

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  • Publications, Polymer Science Group, Chemical

    “Recent Advances in Star Polymer Design: Degradability and the Potential for Drug Delivery.” ... “Some Aspects of the Properties and Degradation of Polyacrylamides ...

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  • Plastics and polymers: their structure and properties |

    Explore how the properties of polymers depend on their structure and different types of intermolecular bonds using this lesson plan for 16–18 year olds. In this activity, polymers are used as illustrative materials for intermolecular bonds to help students to learn how the structures of polymers relate to their practical uses and properties.

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  • Polymer Applications in Agriculture - Bioline International

    Polymer Applications in Agriculture L. O. Ekebafe1, D. E. Ogbeifun2* and F. E. Okieimen2 1Department of Polymer Technology, Auchi Polytechnic, Auchi, Nigeria 2University of Benin, Centre for Biomaterials Research, Benin City, Nigeria (Received April 12, 2011; Accepted May 19, 2011)

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