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A New Empirical Model for Viscosity of Sulfonated Polyacrylamide Polymers

Copolymers of acrylamide with the sodium salt of 2-acrylamido-2-methylpropane sulfonic acid-known as sulfonated polyacrylamide polymers-had been shown to produce very promising results in the enhancement of oil recovery, particularly in polymer

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Jurnal Teknologi Full paper

polyacrylamide (PAA) and chitosan, a biodegradable, non-toxic linear cationic polymer of high molecular weight [5-10]. PAA, a synthetic polymer derived from acrylamide monomer, was originally introduced for use as a support matrix for

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Some Solution Properties of Polyacrylamide | Macromolecules

1/5/2002 · Correlation of Morphology of Electrospun Fibers with Rheology of Linear Polyacrylamide Solution. Polymer Journal 2007, 39 (8) , 878-881. DOI: 10.1295/polymj.PJ2006269. Fátima Rosa, João Bordado, Miguel Casquilho.

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Polyacrylamide and biopolymer effects on flocculation, aggregate stability, and water seepage in a silt loam – USDA

Polyacrylamide and biopolymer effects on flocculation, aggregate stability, and water seepage in a silt loam Rodrick D. Lentz USDA, Agricultural Research Service, Northwest Irrigation and Soils Research Laboratory, 3793 N 3600 E, Kimberly, ID

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Effect of polyacrylamide friction reducer on calcite dissolution rate at 25 °C and implication for hydraulic fracturing – ScienceDirect

1/3/2021 · In hydraulic fracturing fluids, high molecular weight (normally over 10 6 Da) polyacrylamide (PAM) (long chain polymer, linear structure) is the most commonly applied friction reducer with high water solubility and good thermal stability (Xiong

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Synthesis, Characterization, and Flocculation Properties of Branched Cationic Polyacrylamide

24/4/2013 · Synthesis, Characterization, and Flocculation Properties of Branched Cationic Polyacrylamide. Weimin Sun,1 Guangcheng Zhang,1 Ling Pan,1 Helin Li,1 and Aihua Shi1. 1Department of Applied Chemistry, School of Science, Northwestern Polytechnical

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cationic polymer polyacrylamide coagulant and flocculant | manufacturer of polyacrylamide for water treatment industrial

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

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Cationic polyacrylamide copolymers (PAMs): environmental half life determination in sludge-treated soil | Environmental Sciences Europe | Full Text

18/5/2018 · Background 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

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Microwave-assisted synthesis and characterization of polyacrylamide grafted co-polymers of Mimosa mucilage | SpringerLink

7/7/2010 · The significant variables so screened were further optimized using central composite design (CCD) for preparing the graft co-polymer of acrylamide on Mimosa mucilage. The graft co-polymer of acrylamide and Mimosa mucilage, so prepared, was

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Polymers | Free Full-Text | Optimal Design of Alkaline–Surfactant–Polymer Flooding under Low Salinity Environment

This paper presents an optimal design of alkaline–surfactant–polymer (ASP) flooding and an experimental analysis on the effects of ASP components under low formation salinity, where the assignment of salinity gradients and

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Notation system allows scientists to communicate polymers more easily | MIT News | Massachusetts Institute of Technology

18/9/2019 · Addressing these challenges requires the innovative design of polymer-based materials, which has traditionally suffered from lengthy development cycles. Advances in artificial intelligence and machine learning have shown promise to accelerate

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white powder cationic flocculant polymer for mining industry | manufacturer of polyacrylamide for water treatment industrial

Cationic flocculant msds powder polymer cpam polyacrylamide Product Introduction POLYACRYLAMIDE Polyacrylamide is a kind of linear polymers,it can soluble in water,insoluble in most organic solvents. Q2:How can i get the price of anionic polyacr

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Experimental evaluation of the mechanical degradation of HPAM polymeric solutions used in Enhanced Oil Recovery | CT&F – Ciencia, Tecnología y Futuro

17/12/2020 · Initially, with the help of a fractional factorial design (2k-p), the variables with the most significant influence on the polymer's mechanical degradation were found. The experimental results of the screening demonstrate that the factors

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Well-defined protein-polymer conjugates via in situ RAFT polymerization

The growth of the polymer chains from BSA-macroRAFT agent was characterized by size exclusion chromatography (SEC), 1H NMR, MALDI-TOF, and polyacrylamide gel electrophoresis (PAGE) analyses. The controlled character of the RAFT polymerizations

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Water Soluble Polymer Flocculants: Synthesis, Characterization, and Performance Assessment – Vajihinejad – 2019 – Macromolecular Materials and

where C i is ion concentration (mol L −1) and z i is ion valence. Given the conditions in this example, the electrical double layer thickness is estimated to be 4.8 nm from Equation 5.For nonionic linear polymers, the average radius of gyration

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Ultra-High Molecular Weights via Aqueous Reversible-Deactivation Radical Polymerization – Cell

polymers offer unrivaled mechanical strength but are often limited in composition and architecture. Although advances in living polymerizations, especially reversible-deactivation radical polymerization (RDRP), have enabled the design of well-de

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Dextran-Polyacrylamide as Matrices for Creation of Anticancer Nanocomposite – Hindawi

18/5/2017 · The branched water soluble copolymer dextran-graft-polyacrylamide in nonionic and anionic form has been used as nanocarriers for targeted delivery of an anticancer drug into tumor cells. The molecular parameters of the D70-g-PAA copolymer, as de

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Microsoft Academic

The polyacrylamide concentrations were above the overlap threshold C*, the concentration above which an entangled polymer network is expected to form. Small angle neutron scattering experiments showed that between 1% and 8% polyacrylamide, the

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Linear viscoelasticity of weakly cross-linked hydrogels: Journal of Rheology: Vol 63, No 1

26/12/2018 · Chemically cross-linked polyacrylamide (PA) hydrogels have been studied extensively, but gels with a very low cross-linker ratio have received relatively little attention. In this paper, the rheology of bis-cross-linked PA hydrogels is examined

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