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Specifications
| Appearance: | White flaky solid |
| Purity: | 99% min |
| Light Transmittance: | 425nm: 97% min 450nm: 98% min |
| Water: | 0.5% max |
| Hazen: | 20 max |
| Melting Point Range: | 70–76℃ |
| Formaldehyde Residue: | 100ppm max |
Applications
1. Hindered Amine Light Stabilizer (HALS) Precursor
Acts as a key intermediate in the synthesis of HALS compounds.
HALS are used to prevent polymer degradation caused by UV exposure and oxidative processes.
Commonly applied in plastics, coatings, and fibers.
2. Polymer Stabilization
Final HALS products derived from this compound are added to polymers such as polypropylene (PP), polyethylene (PE), polyurethanes, polyesters, and PVC to enhance their resistance to UV light and extend service life.
Helps in maintaining mechanical properties, color stability, and appearance under long-term sun exposure.
3. Industrial Coatings and Paints
Used in the formulation of automotive, industrial, and architectural coatings.
Helps coatings resist cracking, gloss loss, and chalking due to UV degradation.
Benefits
High UV Resistance (as HALS derivative): Effectively protects polymers from photodegradation by scavenging free radicals.
Thermally Stable: Suitable for high-temperature polymer processing.
Non-Yellowing: Ideal for light-colored and transparent products.
Improves Durability: Enhances weathering resistance and extends material lifespan.
Conclusion
1,2,2,6,6-Pentamethyl-4-piperidinol (CAS 2403-89-6) is a crucial intermediate for HALS production, widely used in UV stabilization of plastics and coatings. By helping prevent polymer degradation from sunlight and heat, this compound supports the manufacturing of durable, long-lasting materials in the automotive, construction, and packaging industries.
