TOPLUS® Co(OH)2
| Product Name | Co(OH)2 |
| Molecular Formula | Co(OH)2 |
| CAS No. | 21041-93-0 |
| Synonyms | Cobalt Hydroxide, Cobalt Hydroxide |
| Brand | TOPLUS® |
RFQ: What is Co(OH)2 ?
Co(OH)2 is commonly found as a rose-red powder, insoluble in water.
RFQ: What role does Co(OH)2 play in the coatings industry?
Co(OH)2 mainly used as a highly efficient drying agent, which can significantly accelerate the drying speed of paint film and improve the anti-corrosion performance of coatings.
TOPLUS® Co(OH)2 is a widely used oxidative polymerization drier in traditional oil-based coatings, varnishes, and paints. It is particularly suitable for environmentally friendly systems such as water-based alkyd resin coatings, and can be combined with other metals (such as calcium) to construct highly efficient driing systems. Co(OH)2 is also a key raw material for the production of liquid high-efficiency driers such as cobalt naphthenate and cobalt isooctanoate.
RFQ: What is the essence of the drying effect of Co(OH)2?
Catalytic oxidation promotes the absorption of oxygen and cross-linking polymerization of unsaturated fatty acids in the coating, thereby curing them into a film.
TOPLUS® Co(OH)2 primarily promotes surface drying of paint films, significantly shortening drying time. It helps form a denser, more robust paint film, thereby enhancing the coating's water resistance, salt water resistance, and overall corrosion resistance.It performs exceptionally well in low-VOC (volatile organic compound) water-based coatings, helping to meet stringent environmental standards. As a basic cobalt raw material, Co(OH)2 is an important upstream product in the paint drying agent industry chain.
In general, The current focus is on compounding TOPLUS® Co(OH)2 with calcium hydroxide and other similar substances to address the industry challenge of slow drying in water-based coatings, optimizing drying speed and final performance through synergistic effects.
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