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Elvacite® 2669
Elvacite® 2669 is a water-soluble methacrylate copolymer acrylic resin used as a binder and film former in coatings and inks where low VOCs are desired.
Elvacite® 2669 is a solid-bead methacrylate copolymer acrylic resin with a high acid number and medium molecular weight. The polymer’s high acid number makes it soluble in slightly alkaline aqueous solutions. Accordingly, Elvacite® 2669 is an ideal film-forming resin for low-VOC ink and coating formulations or formulations applied to solvent-sensitive substrates.
Films formed with the Elvacite® 2669 acrylic resin exhibit excellent adhesion to a variety of substrates, including plastic and metal. These films are also highly abrasion resistant and have good UV resistance.
However, Elvacite® 2669 forms water-reducible films due to its water solubility. Thus, this acrylic resin is best suited for applications where temporary coating and ink systems are desired. If a more permanent coating or ink is needed, Elvacite® 2669 can be formulated with zinc oxide to improve water resistance and enhance durability.
Specifications
Appearance: Solid beads Specific gravity at 25°C: 1.2 Glass transition temp, onset (°C): 101 Molecular weight (g/mol): 22,000 Inherent viscosity (cPs): 0.285–0.350 Brookfield viscosity at 30% in PGM (cPs): 500–900 Moisture, max (%): 2.20 Methacrylic acid (%): 19.0–22.0
Primary Chemistry: Methyl methacrylate copolymer
Features & Benefits
Can be dissolved in slightly alkaline aqueous solutions Forms films with high abrasion resistance Provides excellent viscosity control Soluble in high-pH systems
Problems Solved
Using acrylic resins that do not have compatibility with water-based solutions Damage to sensitive surfaces caused by solvents used in coatings Water insolubility of acrylic coatings or inks Poor abrasion resistance or durability in coating or ink applications
Applications
Printing inks Plastic coatings Metal coatings Temporary coatings
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Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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