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Polymers for scale inhibition
- Product Description
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- Commodity name: Polymers for scale inhibition
Application: Threshold Inhibition: Polymers can interfere with the nucleation and crystal growth of scale-forming minerals like calcium carbonate and calcium sulfate. Crystal Modification: They can distort the crystal structure of scale, making it less likely to adhere to surfaces.
Chemical Name:Polymers for scale inhibition
Shape:Liquid solution (aqueous) or solid powder
Components:
Synthetic water-soluble polymers (e.g., polyacrylates, phosphinocarboxylates, or sulfonated copolymers)
May contain additional dispersants or stabilizing agents
Other names:
Scale inhibitor polymer , Antiscalant polymer , Dispersant polymer , Polycarboxylate
Molecular Formula:
Varies by polymer type:
Polyacrylic Acid (PAA): (C₃H₄O₂)ₙ
Polymaleic Acid (PMA): (C₄H₄O₄)ₙ
Acrylic-Sulfonic Acid Copolymer: (C₃H₄O₂·C₃H₅SO₃)ₙ
Molecular Weight:
Typically ranges from 1.000 to 50.000 g/mol, depending on polymer chain length
CAS Number:
Polyacrylic Acid (PAA): 9003-01-4
Polymaleic Acid (PMA): 26099-09-2
Acrylic Acid/Sulfonic Acid Copolymer: Varies (e.g., 40623-75-4 for some types)
Application:
Threshold Inhibition: Polymers can interfere with the nucleation and crystal growth of scale-forming minerals like calcium carbonate and calcium sulfate.
Crystal Modification: They can distort the crystal structure of scale, making it less likely to adhere to surfaces.
Dispersion: Polymers can also help to keep scale particles dispersed in the water, preventing them from settling out and accumulating.
Common Types of Polymeric Scale Inhibitors:
Polycarboxylates: These are widely used in the oil industry, particularly phosphine polycarboxylic acids (PPCAs).
Phosphonates: Often used in conjunction with polycarboxylates, they offer good thermal stability and hydrolytic stability.
Sulfonated Polymers: These can improve the solubility and calcium ion tolerance of other polymers.
Maleic Acid Polymers: Copolymers of maleic acid with other monomers like acrylic acid or acrylamide are used for calcium carbonate and calcium sulfate inhibition.
Oilfield Operations: Polymers are injected into oil wells to prevent scale formation in downhole equipment and pipelines, ensuring efficient oil and gas production.
Industrial Water Systems: They are used in cooling towers, boilers, and other industrial processes to prevent scale buildup on heat transfer surfaces, maintaining efficiency and preventing corrosion.
Desalination Plants: Polymers can be used to control scale formation in reverse osmosis membranes and other components of desalination plants.
Packing:
Liquid: 25 L, 200 L drums or IBC totes (1000 L)
Solid: 25 kg bags or bulk packaging
Storage:
Store in a cool, dry place away from direct sunlight.
Keep containers tightly sealed to prevent contamination or evaporation.
Avoid freezing (for liquid forms) or excessive heat.
Compatible with most plastics and stainless steel; avoid carbon steel storage if acidic.
Keywords： Polymers for scale inhibition
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