Waterborne Co‑Zn‑Zr All‑in‑One Drier CAS 136-52-7 for Waterborne Alkyd
Waterborne Co‑Zn‑Zr All‑in‑One Drier is ready‑to‑use one‑pack composite drier consisting of cobalt, zinc and zirconium carboxylates. Cobalt undertakes primary surface‑drying function, zinc improves pigment wetting and inhibits drier adsorption, zirconium significantly promotes through‑curing and enhances film hardness. Hydrophilic modification endows the product with stable water dispersibility and anti‑hydrolysis capacity in water‑reducible alkyd systems. It avoids complicated manual proportion
Product Overview
Waterborne Co‑Zn‑Zr All‑in‑One Drier belongs to pre‑blended multi‑metal composite drier specially developed for oxidative‑cure water‑reducible alkyd coatings. Traditional waterborne alkyd production requires separate weighing and addition of several primary and auxiliary driers, which easily causes formula deviation and unstable curing effect. This product integrates cobalt, zinc and zirconium active components inside one package. Cobalt serves as primary drier to trigger surface oxidative cross‑linking reaction. Zinc reduces pigment adsorption loss of drier components. Zirconium accelerates deep‑layer through‑drying and improves final film hardness and gloss. Through hydrophilic modification treatment, the drier can disperse stably in aqueous paint system and resist hydrolysis deactivation. It shows good compatibility with long‑oil and medium‑oil water‑reducible alkyd resins and maintains stable batch‑to‑batch quality.
Key Features
‑ All‑in‑one pre‑mixed Co‑Zn‑Zr composite drier, cobalt source CAS 136‑52‑7 ‑ Combines surface‑drying and through‑drying functions, simplifies drier feeding process ‑ Stable water dispersibility and hydrolysis resistance, keeps activity in water‑reducible alkyd environment ‑ Zinc component minimizes pigment adsorption loss; zirconium boosts deep film curing and hardness ‑ Reduces formula error risk brought by multiple independent drier weighing ‑ Good compatibility with various pigments, fillers and water‑reducible alkyd binders ‑ Suitable for decorative and industrial water‑based air‑dry alkyd coating systems ‑ Reliable batch‑to‑batch consistency for mass‑production of waterborne alkyd paints
Technical Specifications
‑ Product Name: Waterborne Co‑Zn‑Zr All‑in‑One Drier ‑ CAS No.: 136‑52‑7 ‑ Active Component: Composite of cobalt, zinc, zirconium carboxylate ‑ Appearance: Reddish‑brown transparent liquid ‑ Solubility: Water‑dispersible, miscible with water‑reducible alkyd resins ‑ Density: 0.96‑1.04 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.3%
Application Scenarios
‑ Water‑reducible decorative alkyd paints and clear varnish systems ‑ Industrial air‑dry waterborne alkyd protective enamels and top coats ‑ Long‑oil and medium‑oil oxidative‑cure water‑dilutable alkyd formulations ‑ Coating manufacturers pursuing simplified drier batching procedures ‑ One‑pack composite drier for waterborne alkyd without multi‑component manual blending
Usage Recommendation
‑ Typical dosage: 0.20%‑0.60% calculated on total paint weight ‑ Add under low‑speed stirring during paint letdown stage, avoid high‑shear violent agitation ‑ Do not add during high‑temperature resin synthesis procedure ‑ Perform full pre‑evaluation for drying speed, anti‑skinning performance, gloss and film hardness under real‑formula conditions ‑ Excessive dosage will increase skinning and yellowing risk; strictly control addition amount ‑ Complete full‑set laboratory assessment before mass‑scale production
Package & Storage
‑ Standard package: 25kg / 200kg metal drum ‑ Store in cool, dry and well‑ventilated warehouse, keep away from heat source and direct sunlight ‑ Tightly seal container after opening to prevent solvent volatilization and performance deterioration ‑ Shelf life: 12 months under proper storage conditions
Safety Notes
‑ Combustible liquid, keep away from all ignition sources. ‑ Avoid skin contact and eye splash. Wear chemical‑resistant gloves and safety goggles during handling. ‑ Avoid inhalation of vapor and mist, ensure effective local ventilation. ‑ Refer to SDS for full guidance on handling, transportation and emergency disposal.
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