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Amorphous molecular structure ensures excellent transparency and optical clarity.
Low intrinsic viscosity enables easy processing via extrusion and injection molding.
Superior thermal stability with minimal degradation during high-temperature processing.
Excellent compatibility with plasticizers and other polyester-based additives.
Hydrolysis-resistant backbone enhances long-term durability in humid environments.
High-clarity packaging films for food and pharmaceutical blister packaging.
Transparent rigid containers requiring dimensional stability and gloss retention.
Optical-grade components in medical device housings and diagnostic cartridges.
Multi-layer coextruded barrier structures with EVOH or PVDC.
Specialty labels and tamper-evident seals demanding clarity and printability.
| Chemical Type | Non-crystalline aromatic-aliphatic polyester |
| Product Form | Pellets |
| Appearance | Translucent, off-white granules |
| Glass Transition Temperature (Tg) | 78–82 °C (DSC, 10 °C/min) |
| Intrinsic Viscosity (IV) | 0.62–0.68 dL/g (in o-chlorophenol at 25 °C) |
| Melt Flow Rate (MFR) | 12–16 g/10 min (250 °C, 2.16 kg) |
| Moisture Content (as received) | ≤ 0.3 wt% |
| Density | 1.29–1.31 g/cm³ |
Q1: What is the primary functional role of YLON 270 in coating and ink formulations?
A: YLON 270 serves as a non-crystalline polyester resin modifier that enhances film flexibility, improves substrate adhesion—especially on polyolefin and metallized surfaces—and contributes to balanced hardness-toughness performance without compromising clarity or gloss.
Q2: How does the non-crystalline nature of YLON 270 benefit processing and end-use performance?
A: The absence of crystallinity eliminates cold flow issues during storage, enables smoother melt blending at lower temperatures, and supports consistent film formation with reduced risk of haze or surface defects—particularly important in high-gloss decorative and packaging applications.
Q3: Is YLON 270 compatible with common solvent-based and UV-curable systems?
A: Yes—YLON 270 demonstrates broad compatibility with aromatic and aliphatic solvents, acrylic monomers, and common epoxy and urethane acrylate resins. It is frequently used in hybrid solvent/UV systems where thermal stability and photoinitiator compatibility are required.
Q4: What are typical handling and storage recommendations for YLON 270?
A: Store in original sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Avoid prolonged exposure to ambient humidity, as the resin may absorb moisture over time—pre-drying before high-temperature processing is recommended when extended storage is anticipated.
Q5: Can YLON 270 be used in food-contact compliant coatings?
A: YLON 270 is designed for industrial and packaging applications where regulatory compliance depends on the full formulation and intended use conditions. It is not pre-approved for food contact; users must conduct full regulatory evaluation—including migration testing and compliance verification—within their specific end-use system and jurisdiction.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
