Sodium Methylallyl Sulfonate Category - Page 2 of 10

Sodium Methylallyl Sulfonate

Why does the incorporation of Sodium Methallyl Sulfonate (SMAS) copolymer alleviate alkali-induced polymer degradation during alkaline-surfactant-polymer (ASP) flooding?

Concise academic abstract Sodium Methallyl Sulfonate (SMAS) resists alkaline hydrolysis via stable sulfonate and steric shielding, effectively mitigating alkali degradation of…

Read More: Why does the incorporation of Sodium Methallyl Sulfonate (SMAS) copolymer alleviate alkali-induced polymer degradation during alkaline-surfactant-polymer (ASP) flooding?
Why do gel systems crosslinked by Sodium Methallyl Sulfonate (SMAS) with Cr³⁺ or organic crosslinkers retain high strength and stability under high-TDS formation brine?

Detailed explanation Concise academic version Thanks to sulfonate’s anti-ion-shielding, multi-site crosslinking with Cr³⁺ and hydration protection, Sodium Methallyl Sulfonate (SMAS) crosslinked gels…

Read More: Why do gel systems crosslinked by Sodium Methallyl Sulfonate (SMAS) with Cr³⁺ or organic crosslinkers retain high strength and stability under high-TDS formation brine?
CAS NO.:1561-92-8 (sodium methallyl sulfonate, Sodium 2-methylprop-2-ene-1-sulfonate, SMAS): Detailed Characteristics and Application Fields

In the chemical industry, every chemical substance has a unique identification code — the CAS number (Chemical Abstracts Service Registry…

Read More: CAS NO.:1561-92-8 (sodium methallyl sulfonate, Sodium 2-methylprop-2-ene-1-sulfonate, SMAS): Detailed Characteristics and Application Fields
Why are cross-linked polymer gels prepared from Sodium Methallyl Sulfonate (SMAS) more suitable for in-depth profile control than conventional polyacrylamide gels in the middle and late stages of water flooding development?

Prepared with Sodium Methallyl Sulfonate (SMAS), cross-linked polymer gels feature outstanding thermal-salt stability, good deformability and strong shear resistance. They can…

Read More: Why are cross-linked polymer gels prepared from Sodium Methallyl Sulfonate (SMAS) more suitable for in-depth profile control than conventional polyacrylamide gels in the middle and late stages of water flooding development?
Why can copolymers of Sodium Methallyl Sulfonate (SMAS) satisfy injectability requirements and provide sufficient flow resistance simultaneously during oil displacement in low-permeability reservoirs?

With optimized molecular size and unique shear-thickening & shear-thinning characteristics, Sodium Methallyl Sulfonate (SMAS) copolymers flow smoothly through tiny pores to guarantee…

Read More: Why can copolymers of Sodium Methallyl Sulfonate (SMAS) satisfy injectability requirements and provide sufficient flow resistance simultaneously during oil displacement in low-permeability reservoirs?
Why do polymers based on Sodium Methallyl Sulfonate (SMAS) possess much higher viscosity retention rate than conventional partially hydrolyzed polyacrylamide (HPAM) in oil reservoirs with temperature above 90℃ and TDS over 150000 ppm?

Compared with conventional HPAM, Sodium Methallyl Sulfonate (SMAS) based polymers own firmer molecular skeleton, stronger charge anti-shielding capacity and better hydration stability.…

Read More: Why do polymers based on Sodium Methallyl Sulfonate (SMAS) possess much higher viscosity retention rate than conventional partially hydrolyzed polyacrylamide (HPAM) in oil reservoirs with temperature above 90℃ and TDS over 150000 ppm?
Why can the oil-displacement copolymer synthesized by Sodium Methallyl Sulfonate (SMAS) and acrylamide effectively delay channeling and fingering in the middle and later stages of polymer flooding?

Copolymer of Sodium Methallyl Sulfonate (SMAS) and acrylamide features rigid molecular chains, excellent shear, temperature and salt resistance. It adjusts reservoir flow…

Read More: Why can the oil-displacement copolymer synthesized by Sodium Methallyl Sulfonate (SMAS) and acrylamide effectively delay channeling and fingering in the middle and later stages of polymer flooding?
Why do Sodium Methallyl Sulfonate (SMAS) modified amphoteric flocculants achieve better dewatering performance on municipal and industrial sludge than single cationic polyacrylamide?

Sodium Methallyl Sulfonate (SMAS) modified amphoteric flocculants possess dual charge characteristics and excellent permeability. They can fully destabilize sludge particles, deeply…

Read More: Why do Sodium Methallyl Sulfonate (SMAS) modified amphoteric flocculants achieve better dewatering performance on municipal and industrial sludge than single cationic polyacrylamide?
Why are SMAS-based scale inhibitors more suitable for high-temperature and high-salinity environments than conventional phosphonate scale inhibitors in oilfield water injection systems?

SMAS-based scale inhibitors possess superior thermal stability and high-salinity resistance. They avoid thermal hydrolysis failure of common phosphonates, contain no…

Read More: Why are SMAS-based scale inhibitors more suitable for high-temperature and high-salinity environments than conventional phosphonate scale inhibitors in oilfield water injection systems?
Why the copolymer of sodium methallyl sulfonate, acrylic acid and maleic anhydride can effectively inhibit the formation of calcium carbonate, calcium phosphate, barium sulfate and other scale types in circulating cooling water systems

The sulfonic acid groups in SMAS molecules strongly adsorb to the growth sites of scale crystals and induce lattice distortion,…

Read More: Why the copolymer of sodium methallyl sulfonate, acrylic acid and maleic anhydride can effectively inhibit the formation of calcium carbonate, calcium phosphate, barium sulfate and other scale types in circulating cooling water systems
Why do sodium methallyl sulfonate copolymer flocculants not produce large amounts of difficult-to-treat sludge like some inorganic flocculants when treating hard water with high concentrations of calcium and magnesium ions?

SMAS copolymers do not form insoluble precipitates with Ca²⁺ and Mg²⁺, avoiding the massive calcium‑magnesium sludge generated in the lime…

Read More: Why do sodium methallyl sulfonate copolymer flocculants not produce large amounts of difficult-to-treat sludge like some inorganic flocculants when treating hard water with high concentrations of calcium and magnesium ions?
Why sodium methallyl sulfonate(SMAS-based flocculants maintain stable performance in high-salinity wastewater (TDS＞100000 ppm) while conventional cationic flocculants fail

Conventional cationic flocculants easily lose efficacy under ultra-high salinity: inorganic ions shield surface charge, cause molecular chain curling and weaken…

Read More: Why sodium methallyl sulfonate(SMAS-based flocculants maintain stable performance in high-salinity wastewater (TDS＞100000 ppm) while conventional cationic flocculants fail