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    A water-based rheological agent is
    a thickener or flow modifier added to waterborne products (paints, adhesives, cosmetics, drilling fluids) to control their viscosity, texture, and flow behavior, preventing settling, sagging, and improving application properties (like brushability or sprayability) by creating desirable flow profiles (e.g., thixotropic or pseudoplastic). Common types include cellulosics, associative polymers (HEUR/HASE), inorganic clays (bentonite), and xanthan gum, each offering unique performance benefits. 
    Common Types of Water-Based Rheology Modifiers 
    • Associative Thickeners (e.g., HEUR, HASE): Polyurethane or polyether-based polymers that form networks, offering excellent control for paints and coatings, providing Newtonian or pseudoplastic flow.
    • Cellulosics: Cellulose ethers like carboxymethyl cellulose (CMC) that provide thickening, often used in combination with other modifiers.
    • Inorganic Clays: Modified bentonite clays that create strong thixotropic (gel-like at rest, thin when stirred) properties, ideal for anti-settling and sag resistance in coatings and drilling muds.
    • Biopolymers: Such as xanthan gum, widely used in oilfield drilling fluids for effective viscosity control in various water types. 
    Key Functions & Benefits 
    • Anti-Settling & Storage Stability: Prevents pigments and fillers from settling during storage.
    • Anti-Sag/Spatter: Improves resistance to sagging on vertical surfaces and reduces spattering during application.
    • Optimized Application: Tailors flow for different methods (brush, spray, roll), ensuring smooth finishes.
    • Thixotropy: Creates a liquid-like flow under shear (application) and a gel-like structure at rest. 
    Applications 
    • Paints & Coatings: Waterborne paints, inks, and adhesives.
    • Construction: Adhesives, sealants, and building formulations.
    • Oil & Gas: Drilling fluids (muds).
    • Cosmetics & Detergents: For texture and stability. 
    • Rheology Modifiers - BASF
      Our Rheovis® PU and PE series of associative thickeners stand out as a class of groundbreaking additives based primarily on hydrop...
      BASF
    • Rheological Additive | 5 Types of rheology modifiers - organoclay
      Oct 16, 2025 — Water based rheological additive (Water Borne) * Water based rheological additive CP-EW. Rheological additive is modif...
      www.rheologicaladditive.com
    • HEUR rheological additives and their use in water-based paints
      HEUR rheological additives and their use in water-based paints. Paints, Inks and Adhesives. HEUR rheological additives and their u...
      Grupo Mathiesen
    Show all
    • Rheology Modifiers - BASF
      Our Rheovis® PU and PE series of associative thickeners stand out as a class of groundbreaking additives based primarily on hydrop...
      BASF
    • Rheological Agents Rheological Additives cp-10 - organoclay
      Apr 22, 2024 — Rheological Agents Rheological Additives cp-10. ORGANOCLAY. Products. Rheological Agents Rheological Additives. For wa...
      www.rheologicaladditive.com
    • Rheological Additive | 5 Types of rheology modifiers - organoclay
      Oct 16, 2025 — Water based rheological additive (Water Borne) * Water based rheological additive CP-EW. Rheological additive is modif...
      www.rheologicaladditive.com
    • BYK-AQUAGEL 7100 - Rheology additive for aqueous systems
      BYK-AQUAGEL is a rheology additive for aqueous systems. It's a solid, inorganic layered silicate that's highly purified and effect...
      BYK Additives
    • HEUR rheological additives and their use in water-based paints
      HEUR rheological additives and their use in water-based paints. Paints, Inks and Adhesives. HEUR rheological additives and their u...
      Grupo Mathiesen
    • Rheology Modifiers in Paints & Coatings | Types & Benefits - Borchers
      May 4, 2025 — Rheology modifiers in paints and coatings are thickener additives that improve rheological behavior in water-based coat...
      Borchers: A Milliken Brand
    • Water based rheology modifiers for waterborne paints - organoclay
      Feb 1, 2021 — Remarks: Water based rheology modifier need to fully sheared and dispersed to achieve the best thickening effect. Prope...
      www.rheologicaladditive.com
    • Viscosifiers for Water-Based Muds – AES Drilling Fluids
      Table_title: Select Viscosifier Additives for Water-Based Mud from AES Drilling Fluids Table_content: header: | Product | Descript...
      www.aesfluids.com
    • What is the relationship between rheological agents and thixotropic ...
      Mar 25, 2024 — Rheology is the study of the flow of matter, primarily liquids and soft solids. Rheological agents are substances adde...
      LinkedIn
    • RHEOBYK-420 - Rheology additive for aqueous systems
      RHEOBYK-420 is a liquid rheology additive for aqueous and water-reducible coating systems. It's used to improve antisagging and an...
      BYK Additives
    • Performance of water-based drilling fluids for deepwater and ...
      On the other hand, nano-water-based drilling fluids are widely used in the oil and gas industry due to their su- perior rheologica...
      中国石油大学(北京)
    • Rheology additives | Arkema Global
      Rheology modifiers For Coating and adhesive formulations, different technologies are available for waterborne, solvent-free, solve...
      Arkema Global
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    Rheology Modifiers in Paints & Coatings | Types & Benefits


    Borchers: A Milliken Brand
    https://borchers.com › news-events-blog › rheology-mod...
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    HEUR rheological additives and their use in water-based ...


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    Rheological Agents: Enhance Viscosity & Stability


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