UV-stabilized polyolefin elastomer for enhanced outdoor durability and long-term weather resistance.
Excellent low-temperature flexibility with glass transition temperature (Tg) below −50 °C.
Superior melt processability suitable for extrusion, injection molding, and overmolding operations.
Good compatibility with polypropylene (PP) and polyethylene (PE), enabling robust alloy formulations.
Halogen-free formulation supporting compliance with RoHS and UL94 HB requirements.
Automotive interior trim components requiring UV resistance and soft-touch feel.
Outdoor cable jacketing and telecom infrastructure sheathing exposed to sunlight and moisture.
Weather-resistant seals and gaskets for building & construction applications.
Tough, flexible overmolded grips for power tools and consumer electronics housings.
UV-stable thermoplastic elastomer (TPE) blends for agricultural equipment covers and connectors.
| Chemical Type | Polyolefin Elastomer (POE) |
| Product Form | Pellets |
| Appearance | Off-white to light beige, free-flowing pellets |
| Primary Applications | UV-exposed TPE compounds, PP/POE alloys, flexible outdoor components |
| Key Features | UV stabilization, low-temperature resilience, PP compatibility |
| Benefits | Extended service life under solar exposure, improved impact performance at sub-zero temperatures |
| Processing Method | Extrusion, injection molding, overmolding |
| Regulatory Compliance | RoHS compliant; halogen-free; UL94 HB rated |
Q1: What is the primary function of ETA4161UV POE in polymer formulations?
A: ETA4161UV POE is a polyolefin elastomer functionalized with ultraviolet (UV) stabilizing moieties, designed to enhance long-term UV resistance while maintaining melt processability and compatibility in polyolefin-based systems such as TPOs, PP compounds, and flexible packaging layers.
Q2: How does ETA4161UV POE differ from conventional UV absorbers or HALS additives?
A: Unlike low-molecular-weight UV absorbers or HALS that may migrate or volatilize during processing or service life, ETA4161UV POE is a macromolecular stabilizer covalently integrated into the polymer backbone—offering improved permanence, reduced blooming risk, and better retention of mechanical properties under prolonged UV exposure.
Q3: Is ETA4161UV POE compatible with polypropylene (PP) and thermoplastic olefin (TPO) matrices?
A: Yes—ETA4161UV POE is specifically engineered for excellent miscibility and dispersion in PP- and ethylene-propylene-based systems. It integrates seamlessly during compounding without requiring compatibilizers and supports consistent stabilization across varying TPO morphologies.
Q4: What processing methods are suitable for incorporating ETA4161UV POE?
A: ETA4161UV POE is compatible with standard thermoplastic processing techniques including twin-screw compounding, extrusion, injection molding, and blow molding. Its thermal stability allows for processing at typical polyolefin temperatures without premature degradation of the UV functionality.
Q5: How should dosage be determined for optimal UV performance?
A: Dosage depends on formulation requirements, end-use exposure conditions, and desired service lifetime. It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—relative to the base polymer, with optimization recommended via accelerated weathering testing under application-relevant conditions.
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