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2-acrylamido-2-methylpropanesulfonic acid-acrylic acid copolymer (AA/AMPS) CAS 40623-75-4 Fields of Oilfield Water Injection Treatment, Boiler Water treatment, Seawater Desalination, Water treatment
| Luogo di origine | Cina |
|---|---|
| Marca | HOYOSHEE |
| Certificazione | ISO9001 |
| Numero di modello | HYX-WT12 |
| Quantità di ordine minimo | 1KG |
| Prezzo | Negoziabile |
| Imballaggi particolari | 1kg;|25kg;|100kg |
| Tempi di consegna | 5-8 giorni lavorativi |
| Termini di pagamento | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Capacità di alimentazione | 500 tonnellate/mese |
Dettagli
| MF | C10H17NO6S | CAS | 40623-75-4 |
|---|---|---|---|
| modulo | liquido viscoso | Colore | Incolore o giallo pallido |
| Purezza | 30% | Contenuto di monomero libero (calcolato come acido acrilico) | ≤0,5% |
Descrizione di prodotto
synonym- 2-acrylamido-2-methylpropanesulfonic acid-acrylic acid copolymer; 2-Propenoic acid polymer with 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid;
Sulfonated Polyacrylic Acid Copolymer; ACRYLIC ACID/ACRYLAMIDOMETHYL PROPANE SULFONIC ACID COPOLYMER; AcrylicAcid-AMPSCopolymer(AA/AMPS);
Acrylic Acid-2-Acrylamido-2-Methylpropane Sulfonic Acid Copolymer; AA/AMPS; Acrylic acid-2-acrylamido-2-methyl propyl sulfonic acid copolymer;
2-Propenoic acid,polymer with 2-methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid;
prop-2-enoic acid - 2-(acryloylamino)butane-2-sulfonic acid (1:1)
2. Mechanism of Action
AA/AMPS functions through multiple mechanisms to control scale and dispersion:
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Enhanced Calcium Tolerance – The strongly polar sulfonic acid groups increase the copolymer's tolerance to calcium ions, allowing effective performance even in high-hardness water.
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Crystal Lattice Distortion – Carboxylic groups adsorb onto growing scale crystals (calcium carbonate, calcium phosphate, zinc scale), disrupting their normal growth and preventing hard deposit formation.
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Dispersion – The copolymer stabilizes suspended particles (including iron oxide/Fe₂O₃) through electrostatic repulsion, preventing their aggregation and deposition on surfaces.
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Synergistic Enhancement – When combined with organic phosphonates, AA/AMPS exhibits significant synergistic effects, improving overall treatment efficiency.
3. Performance Advantages
| Advantage | Description |
|---|---|
| Broad-Spectrum Scale Control | Effectively inhibits calcium carbonate, calcium phosphate, zinc scale, and iron oxide deposition |
| High Calcium Tolerance | Maintains performance even in high-hardness water conditions |
| Wide pH Range | Suitable for pH 7.0–9.5; performs well in high-alkalinity environments |
| High Concentration Ratio Capability | Enables high-concentration-ratio operation in cooling water systems, reducing water consumption |
| Temperature Stability | Maintains effectiveness under elevated temperature conditions |
4. Applications
4.1 Industrial Water Treatment
AA/AMPS is primarily used as a scale inhibitor and dispersant in:
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Open recirculating cooling water systems – Prevents scale formation on heat exchange surfaces
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Oilfield water injection systems – Controls scaling in injection wells and pipelines
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Metallurgical systems – Used in steel plants to prevent Fe₂O₃ sludge deposition in cooling water
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Pre-filming treatment – Functions as a dispersant during pre-filming operations
4.2 Other Applications
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Textile printing and dyeing auxiliaries
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Paper system scale inhibitors – Prevents scale formation in pulp processing
4.3 Formulated Products
AA/AMPS is commonly used in blends with:
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Organic phosphonates (ATMP, HEDP, PBTCA)
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Zinc salts
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Other copolymers
These formulations provide enhanced performance for challenging water conditions.
5. Technical Specifications
| Parameter | Grade I (Standard) | Grade II (High-Performance) |
|---|---|---|
| Solid Content | ≥30.0% | ≥40.0% |
| pH (1% solution) | ≤2.5 | 3.5–4.5 |
| Density (20°C) | ≥1.05 g/cm³ | ≥1.15 g/cm³ |
| Free Monomer (as AA) | ≤0.5% | ≤0.8% |
| Limiting Viscosity (30°C) | 0.055–0.100 dl/g | — |
*Specifications comply with HG/T 3642 industry standard*
6. Usage Guidelines
| Parameter | Recommendation |
|---|---|
| Typical Dosage | 5–20 mg/L (varies based on water quality and application) |
| Operating pH | 7.0–9.5 |
| Compatibility | Compatible with organic phosphonates, zinc salts, and other water treatment chemicals |
7. Handling and Storage
| Aspect | Information |
|---|---|
| Packaging | 25 kg, 200 kg, or 250 kg plastic drums; also available in IBC containers |
| Storage | Store in cool, ventilated indoor area; shelf life 10–12 months |
| Safety | Acidic product; avoid contact with skin and eyes. Rinse thoroughly with water upon contact |
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