分散剂, 水性, 特种添加剂

VP 6220 水性 polymer dispersant

The 6220 Waterborne Polymer Dispersant is a high-performance, functional additive engineered specifically for the stabilization of organic and inorganic pigments within aqueous systems. Utilizing a…

属性

主要特点与优势

  • Exceptional pigment wetting capabilities reduce grinding time and energy consumption during the manufacturing process.
  • Optimizes color strength and transparency for high-performance organic pigments and carbon blacks.
  • Provides outstanding long-term viscosity stability, preventing gelling or pigment settling in stored formulations.
  • Enhances coating properties, including increased gloss, improved leveling, and reduced haze in clear-coat systems.
  • Universal compatibility with various water-thinnable resins, including PUDs and waterborne acrylic emulsions.
  • Environmentally compliant formulation is free from alkylphenol ethoxylates (APEO) and volatile organic compounds (VOC).
  • Reduces water sensitivity in dried films, maintaining superior humidity and corrosion resistance.
规格

技术亮点

  • Chemical Nature: High molecular weight block copolymer with pigment-affinic groups (typically ammonium salt).
  • Active Content: Approximately 40% to 50% non-volatile matter optimized for aqueous delivery.
  • Solvent System: Water-based medium, ensuring low odor and ease of incorporation into cold blends. pH Range: Stable performance across a broad pH spectrum, typically effective between 7.0 and 9.5.
  • Density: Approximately 1.04 to 1.08 g/cm³ at 20°C, facilitating accurate volumetric dosing.
  • Lowered Surface Tension: Significantly reduces dynamic surface tension to improve pigment penetration and air release.
  • Anchoring Groups: Multiple amine-based or acidic anchoring sites ensure irreversible adsorption.
实际行业应用

应用领域

  • Premium architectural coatings, providing uniform color distribution in high-gloss and semi-gloss decorative paints.
  • Automotive OEM and refinish coatings, ensuring metallic flake orientation and deep-tone carbon black stabilization.
  • Industrial waterborne wood coatings, enhancing wood grain clarity and preventing pigment rub-out issues.
  • High-performance pigment concentrates and universal colorants for point-of-sale tinting systems.
  • Water-based flexographic and gravure inks, improving dot gain control and color density on film substrates.
  • Coloration of aqueous adhesives and sealants where mechanical stability during high-shear mixing is required.
  • Surface treatments for specialty paper and textile printing applications.
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