水性, 润湿流平剂, 特种添加剂

VP 7414 Water-based substrate

The 7414 Water-based substrate wetting agent represents a high-performance chemical solution specifically engineered to optimize the surface dynamics of aqueous formulations. As a polyether-modifie…

属性

主要特点与优势

  • Exceptional Surface Tension Reduction: Rapidly lowers surface tension to 21-23 mN/m, ensuring complete coverage on hydrophobic surfaces.
  • Defect Prevention: Eliminates surface irregularities such as craters, fish-eyes, and pinholes during the application process.
  • Enhanced Spreading: Promotes uniform film formation even at high application speeds or on complex geometries.
  • Broad Compatibility: Integrates seamlessly into acrylic, PUD, and alkyd systems without causing turbidity or phase separation.
  • Minimal Foam Contribution: Unlike traditional surfactants, it maintains a low foaming profile, reducing the need for excessive defoamers.
  • Improved Gloss: Enhances final surface leveling, contributing to high optical clarity.
规格

技术亮点

  • Chemical Composition: High-purity polyether modified polydimethylsiloxane copolymer (Note: Industry standard CAS for this class is 27306-78-1).
  • Active Content: Formulated as a 100% active liquid concentrated solution for maximum potency and logistics efficiency.
  • Solubility Profile: Fully soluble in water and common organic solvents, facilitating easy incorporation during the post-addition phase.
  • Effective Dosage: Highly efficient at low concentrations, typically ranging from 0.1% to 1.0% based on total formulation weight.
  • Ionic Character: Non-ionic nature ensures stability across a wide pH range (3–11) and compatibility with diverse ionic additives.
  • Low Viscosity: Allows for precise dosing.
实际行业应用

应用领域

  • Waterborne Industrial Coatings: Critical for wood, plastic, and automotive finishes where flawless surface wetting is required.
  • Printing Inks: Enhances dot gain and color development in flexographic and inkjet ink formulations on non-porous films.
  • Overprint Varnishes (OPV): Provides superior leveling and slip properties for high-speed paper and board packaging applications.
  • Pressure-Sensitive Adhesives: Optimizes the wetting of adhesive layers on low-surface-energy release liners.
  • Agricultural Chemicals: Acts as a potent adjuvant to improve the coverage and penetration of pesticides on waxy leaf surfaces.
  • Leather Finishes: Ensures uniform dye and topcoat distribution across treated hides.
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