China Non-Ionic Temperature-Resistant And Salt-Resistant Polyacrylamide Good Service

It dissolves easily in water. 16 kg, ASTM D1238) or more · Zinc or sodium salt of an ethylene and acrylic acid copolymer, with:China CMP15 CAS-2 Ethylene Vinyl Acetate Copolymer, Find details about China Coating Resins from CMP15 CAS-2 Ethylene Vinyl Acetate Copolymer - ANHUI ELITE INDUSTRIAL CO.

2 days ago · For a fast gelation, the pH of 5.0–9.0 is desirable to form a stable and high-strength gel to plug the pressure from downhole for a long time. Since the acidic environment is detrimental due to the corrosion to the internal wall of the wellbore, the pH of 8.0–9.0 is desirable for field application. 3.4.

Sep 25, 2016 · The non-ionic polyacrylamide (PAM) with an average molecular weight of 9,650,000 g/mol and the phenolic resin crosslinking agents were both provided b, Dongying, China. Sodium dodecyl sulfate (SDS, anionic surfactant) and silica nanoparticles (15 nm) were purchased from Aladdi.

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Mar 01, 2021 · Sulfonate groups are widely used in polymer flooding for their advantages such as good salt resistance, high hydration ability, better temperature resistance, and environmental friendliness [12,20,21]. Many experiments found that the viscosity of polymer solution can be increased by grafted copolymerization of acrylamide (AM) monomer and ...

Nov 27, 2017 · Whereas, the viscosity of polyacrylamide (PAM) as non-ionic polymers is not sensitive to salts/hardness concentrations, the polyelectrolytes like HPAM experience significant changes. The change in viscosity is caused by the interaction between fixed charges along the chain and the mobile ions in solution that leads to the formation of ...