CAS · 147315-50-2
Product Overview
Tinuvin 1577 is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | Light Yellow Powder |
|---|---|
| Purity (HPLC): | 98.5% min |
| Melting Point: | 147–151 °C |
| Ash: | 0.1% max |
| Loss On Drying: | 0.3% max |
| Transmittance 500nm: | 98% min |
| Transmittance 450nm: | 86% min |
Applications
1. Engineering Plastics
Extensively used in polycarbonates (PC), polyesters (PET, PBT), polyamides (PA), acrylics (PMMA), and styrenic polymers (ABS, SAN).
Protects materials from yellowing, embrittlement, and loss of mechanical properties under UV exposure.
2. Films and Fibers
Ideal for optical films, packaging films, and synthetic fibers requiring high clarity and long-term UV stability.
Prevents discoloration and degradation in clear or lightly pigmented materials.
3. Coatings
Used in automotive coatings, clear wood finishes, and industrial coatings.
Enhances durability and prevents gloss loss, cracking, or chalking of the coating layer.
4. Adhesives and Sealants
Applied in UV-sensitive sealants and adhesives to protect their performance and appearance in outdoor environments.
Benefits
Excellent UV Absorption: Broad-spectrum UVA/UVB protection in the 300–400 nm range.
High Thermal Stability: Suitable for processing at elevated temperatures without decomposition.
Low Volatility: Stays embedded in polymer matrices, minimizing migration and blooming.
Transparency Friendly: Non-coloring, ideal for clear or light-colored formulations.
Synergistic with HALS: Can be combined with HALS (Hindered Amine Light Stabilizers) for improved light and weather resistance.
Conclusion
Tinuvin 1577 (CAS 147315-50-2) is a high-performance UV absorber specifically designed for transparent thermoplastics, coatings, and films. Its combination of thermal stability, non-volatility, and broad-spectrum UV protection makes it ideal for durable, light-stable products across automotive, electronics, packaging, and industrial sectors. Tinuvin 1577 plays a critical role in preserving optical clarity, color, and mechanical performance in UV-exposed applications.
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