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Highly efficient epoxy-functional chain extender for polyesters and polyacrylates.
Enables significant molecular weight build-up with low dosage (typically 0.2–1.0 wt%).
Improves melt strength, melt viscosity, and process stability in extrusion and injection molding.
Compatible with both virgin and recycled PET, PLA, and other condensation polymers.
Non-volatile, thermally stable up to 280 °C, minimizing odor and plate-out during processing.
Enhancement of recycled PET (rPET) for food-contact packaging and thermoformed trays.
Molecular weight restoration in post-consumer PLA for durable biopolymer applications.
Viscosity control in engineering thermoplastics for extruded profiles and blow-molded containers.
Stabilization of reactive extrusion processes involving polyester-based hot-melt adhesives.
| Chemical Type | Epoxy-functional styrene-acrylic copolymer |
| Product Form | Pellets |
| Appearance | Off-white to light yellow free-flowing pellets |
| Primary Applications | Polyester & polylactide (PLA) chain extension, rPET upcycling, reactive compounding |
| Key Features | Low volatility, high reactivity toward carboxyl/hydroxyl end groups, excellent dispersion |
| Benefits | Improved mechanical performance, enhanced melt elasticity, reduced gel formation |
| Storage Conditions | Store in original sealed packaging at 5–30 °C; protect from moisture |
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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
