Table of Contents
Ethylenebis(oxyethylene) Dibenzoate (CAS 120-56-9): Technical Profile
A high-performance plasticizer and stabilizer widely used in polymer modification. This non-phthalate ester compound enhances flexibility, thermal stability, and UV resistance in PVC, polyesters, and specialty coatings.
Specifications & Performance Comparison
| Parameter | Standard Grade | Premium Grade (TCI) | Industrial Grade (Alfa Aesar) |
|---|---|---|---|
| Purity | ≥98% | ≥99.5% | ≥95% |
| Density (20°C) | 1.16 g/cm³ | 1.17 g/cm³ | 1.15 g/cm³ |
| Melting Point | 34-38°C | 36-38°C | 32-37°C |
| Viscosity (25°C) | 120-150 mPa·s | 135-145 mPa·s | 110-160 mPa·s |
Industrial Applications
- PVC Stabilization: Primary plasticizer for cables, flooring, and automotive parts (replaces 20-30% of traditional phthalates)
- Polymer Modification: Enhances impact resistance in PET engineering plastics
- Coating Systems: Improves flexibility in UV-curable resins (3-5% additive load typical)
- Adhesive Formulations: Lowers glass transition temperature in hot-melt adhesives
Optimized Usage Protocols
- Pre-mix with polymer resin at 120-140°C for homogeneous dispersion
- Recommended dosage: 5-15% w/w depending on base material
- Storage: Maintain below 30°C in sealed containers (24-month shelf life)
Verified Industry Implementations
Case 1: Automotive Interior PVC Components
A Tier 1 supplier achieved 40% reduction in fogging values while maintaining Shore A hardness at 85±2 using 12% Ethylenebis(oxyethylene) dibenzoate substitution.
Case 2: Medical Device Tubing
15% additive incorporation increased elongation at break from 250% to 380% in FDA-compliant PVC formulations.
Client Implementation Records
Plastics Manufacturer (Germany)
Challenge: Reduce plasticizer migration in automotive seals
Solution: 8% Ethylenebis(oxyethylene) dibenzoate + 5% polymeric plasticizer
Outcome: Migration reduced by 62% (ISO 177 testing)
Wire & Cable Producer (China)
Challenge: Meet UL 1581 flame retardancy requirements
Solution: 10% additive + ATH synergy system
Outcome: VW-1 rating achieved with 28% cost reduction
Technical Consultation & Ordering
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