PAM Archives - Polyacrylamide for drag reduction and fluid

Performance of polyacrylamide as drag reduction polymer

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Novel Drag-Reducing Agents for Fracturing Treatments Based

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  • What is the difference between high cross-link density polymer and superabsorbent polymer?
  • High cross-link density polymers exhibit lower absorbent capacity and swell, and the gel strength is firmer and can maintain particle shape even under modest pressure. Superabsorbent polymer: Polymer that can absorb and retain extremely large amounts of a liquid relative to its own mass. Notes:
  • Do superabsorbent polymers from diaper waste enhance water retention properties?
  • Zekry, M., Nassar, I., Salim, H. & Abdallah, A. The potential of superabsorbent polymers from diaper wastes to enhance water retention properties of the soil. Soil Environ. 39, 27–37 (2020).
  • Which group of a polymer is crosslinked by a crosslinking agent?
  • Pendant functional groups (e.g., carboxylic acid, aldehyde, or hydroxyl groups) of the base polymer are typically crosslinked by crosslinking agents such as polyfunctional acids, diglycidyl ethers, polyhydric alcohols, or quaternary amines.
  • What is a highly hydrophilic substance with a cross-linked network structure?
  • A strongly hydrophilic substance with a cross-linked network structure would make up a “traditional” superabsorbent polymer, typically in the form of microspheres, that, while being subject to high pressure or stresses, can absorb and hold a significant volume of water or aqueous solutions within the microspheres [ 32, 33 ].