Cobalt‑Free Manganese Drier for Pure Acrylic Modified Alkyd Water Resin
Cobalt‑Free Manganese Drier is water‑dispersible manganese‑based drier optimized for pure acrylic modified alkyd water resin. Pure acrylic modified alkyd hybrid resin has special molecular polarity, ordinary driers may cause slow curing, gloss drop and emulsion instability. This product adopts cobalt‑free manganese carboxylate formula with hydrophilic modification. Manganese acts as primary catalytic component to trigger oxidative cross‑linking of unsaturated alkyd segments, achieving both surfa
Product Overview
Cobalt‑Free Manganese Drier belongs to cobalt‑free hydrophilic‑modified manganese carboxylate drier, specially developed for oxidative‑cure pure acrylic modified alkyd water resin systems. Pure acrylic modified alkyd hybrid resin combines the weather resistance of pure acrylic and oxidative curing feature of alkyd. Its unique molecular structure brings high compatibility requirement for driers. Traditional cobalt‑containing driers face regulatory restrictions, while many common cobalt‑free driers deliver insufficient catalytic activity for such hybrid systems. This product uses optimized manganese complex ligand and hydrophilic modification technology. It disperses uniformly in aqueous pure acrylic‑alkyd matrix without triggering emulsion flocculation or demulsification. Manganese serves as primary drier to catalyze free‑radical oxidative cross‑linking reaction of unsaturated segments, realizing coordinated surface‑drying and through‑drying. It shows good compatibility with different grades of pure acrylic modified alkyd resins and maintains stable batch‑to‑batch quality.
Key Features
‑ Cobalt‑free manganese‑based drier customized for pure acrylic modified alkyd water resin systems ‑ Acts as primary drier, provides both surface‑drying and through‑drying catalytic capacity without cobalt addition ‑ Good water dispersibility and hydrolysis resistance, does not damage emulsion stability of acrylic‑alkyd hybrid resin ‑ Low yellowing tendency, stabilizes gloss and color performance of light‑colored hybrid coatings ‑ Completely avoids cobalt‑related regulatory and labeling risks for eco‑coating projects ‑ Reduces drier adsorption loss caused by pigments, guarantees stable curing performance in pigmented paints ‑ Suitable for decorative architectural and industrial water‑borne pure acrylic modified alkyd coating formulations ‑ Reliable batch‑to‑batch consistency for mass‑production of cobalt‑free waterborne hybrid coatings
Technical Specifications
‑ Product Name: Cobalt‑Free Manganese Drier ‑ Active Component: Hydrophilic‑modified Manganese carboxylate, cobalt‑free formula ‑ Manganese Content: 6% min ‑ Appearance: Reddish‑brown transparent liquid ‑ Solubility: Water‑dispersible, miscible with pure acrylic modified alkyd water resin ‑ Density: 0.97‑1.04 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.3%
Application Scenarios
‑ Water‑borne pure acrylic modified alkyd decorative paints and clear varnishes ‑ Industrial air‑dry water‑based pure acrylic‑alkyd hybrid protective topcoats ‑ Oxidative‑cure pure acrylic modified alkyd resin formulations requiring cobalt‑free solution ‑ Light‑colored hybrid coating projects pursuing low‑yellowing and stable gloss performance ‑ Primary catalytic drier for cobalt‑free pure acrylic modified alkyd water resin systems
Usage Recommendation
‑ Typical dosage: 0.15%‑0.55% calculated on total paint weight ‑ Add slowly under low‑speed stirring during paint letdown stage, avoid high‑shear violent agitation ‑ Do not add during high‑temperature resin synthesis procedure ‑ Run complete pre‑formula test for drying speed, through‑dry performance, anti‑skinning, gloss and color stability ‑ Excessive dosage will trigger color shift and skinning 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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Jishengya Technology
Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.
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