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Highly selective zinc-based heterogeneous catalyst optimized for low-temperature hydrogenation reactions.
Exceptional thermal and chemical stability under continuous industrial process conditions.
Controlled particle size distribution ensuring uniform bed packing and minimized pressure drop in fixed-bed reactors.
Low leaching risk due to robust metal-support interaction with high-surface-area alumina carrier.
Pre-reduced and passivated for safe handling, reducing start-up time and eliminating in-situ activation steps.
Selective hydrogenation of nitroaromatics to corresponding anilines in fine chemical synthesis.
Reduction of aldehydes and ketones in pharmaceutical intermediate manufacturing.
Catalytic dehalogenation of chlorinated organic compounds in environmental remediation processes.
Hydrogenation of unsaturated esters and nitriles in agrochemical production.
Stabilized catalysis in continuous-flow microreactor systems requiring consistent activity over extended runtimes.
| Chemical Type | Zinc oxide on high-surface-area gamma-alumina support |
| Product Form | Free-flowing spherical pellets (3–5 mm diameter) |
| Appearance | Light gray to off-white granular solid |
| Primary Applications | Low-temperature selective hydrogenation and reduction reactions |
| Key Features | Pre-reduced, passivated, non-pyrophoric, ready-to-use |
| Benefits | Reduced operational risk, shorter commissioning time, reproducible batch performance |
| Storage Conditions | Store in cool, dry, well-ventilated area; avoid prolonged exposure to ambient humidity |
| Handling Precautions | Use in accordance with local occupational health and safety regulations; avoid inhalation of dust |
Q1: What is the primary function of Umicore Valikat Zn1910 in polymer processing?
A: Valikat Zn1910 is a zinc-based catalyst designed to promote efficient crosslinking and curing reactions—particularly in silicone elastomers and certain thermosetting resins—enhancing final mechanical properties and thermal stability without generating volatile by-products.
Q2: Is Valikat Zn1910 compatible with platinum-catalyzed silicone systems?
A: No—Valikat Zn1910 is not intended for use in platinum-catalyzed addition-cure systems. It is formulated for condensation-cure or peroxide-assisted chemistries where zinc coordination catalysis provides optimal activity and shelf-life stability.
Q3: How should Valikat Zn1910 be handled and stored to maintain performance?
A: Store in original sealed containers under dry, cool conditions (below 30 °C) and protect from moisture and direct sunlight. Avoid prolonged exposure to ambient humidity during handling, as it may affect dispersion consistency and catalytic onset behavior.
Q4: Can Valikat Zn1910 be used in food-contact or medical-grade silicone formulations?
A: While Valikat Zn1910 is based on high-purity zinc compounds commonly accepted in regulated elastomer applications, end-use compliance depends on full formulation evaluation—including extraction testing and regulatory review by the finished-product manufacturer. Umicore does not provide pre-certified status for specific regulatory frameworks.
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