产品说明与参数
Full Name & Product Positioning
Full Name: PANGAO ELC22/48A Hydroxyl-Modified Vinyl Chloride-Vinyl Acetate-Hydroxyalkyl Acrylate Terpolymer Resin
Hydroxyl-containing ternary VC-VAc copolymer industrial resin, approximately 75% vinyl chloride, 25% vinyl acetate, and about 1.8 wt% hydroxyl content. White powder, ester-soluble with colorless and transparent solutions. Exhibits corresponding solvent release, film-forming, color development, dispersion, and wetting characteristics. Contains hydroxyl groups capable of crosslinking with isocyanates, epoxy resins, and melamine resins. Suitable for magnetic tape coatings, primers, printing inks, alkyd paints, two-component paints, functional coatings, and related formulations.
Core Technical Parameters
Appearance
White free-flowing powder
Vinyl Chloride Content
75 wt%
Vinyl Acetate Content
25 wt%
Hydroxyl Content
~1.8 wt%
K-Value
47-49
Viscosity Number
58-62
Average Molecular Weight
~30,000
Solid Content
100 wt%
Volatile Matter
≤0.5%
Standard Packagin
25kg paper-plastic composite bag
Reference Equivalent:
WACKER VINNOL E22/48A
Core Advantages
1. Contains hydroxyl functional groups, capable of crosslinking with isocyanates, epoxies, melamine, etc., with potential for improved chemical resistance after crosslinking.
2. Soluble in ester solvents with colorless and transparent solutions.
3. Provides pigment wetting and dispersing assistance, supporting color development in ink systems.
4. Relatively high vinyl acetate content provides film flexibility, with adhesion improvement for various substrates.
5. Compatible with alkyd resins, PU resins, etc., suitable for two-component coatings and functional coating formulations.
Main Application Areas
Core Applications: Magnetic tape coatings, primers, printing inks, alkyd paints, two-component paints
Suitable Areas: Functional coatings, metal primers, plastic paints, lamination inks, carbon tape adhesives
Not Recommended: Pure water-based systems, food contact products, one-component high chemical-resistant topcoats without curing agents.