Coupling agent and compatibilizer for linear low density polyethylene and polyamide blends; excellent for use in composites with high levels of glass or mineral fillers.
POLYBOND™ 3349 is a coupling agent for glass-filled polyethylene composites with high mineral filler levels. It gives enhanced hydrolytic stability and strength when used to compatibilized polyethylene/polyamide blends. It also functions as a process aid for halogen-free flame retardant wire and cable compounds by providing improved dispersion and mechanical properties.
Appearance: Off-white pellet
Melt Flow Rate (@190 °C): 8.0g / 10 minute
Maleic Anhydride Content: 1.0-1.4%
Density (@ 23°C): 0.93 g/cm³
Bulk Density: 0.6 g/cm³
Melting Point: 123 °C
Primary Chemistry: Maleic Anhydride Modified Linear Low Density Polyethylene
Improves dispersion of halogen-free flame retardants in wire and cable compounds
High maleic anhydride content gives sufficient functionality for use with high mineral filler loading levels
Low performance of traditional compatibilizers in LDPE products and polyamide blends
Insufficient impact strength and brittleness of glass-filled polyethylene composites
Dispersion issues with the use of halogen-free flame retardants in polyolefins and polyethylene alloys
Halogen free flame retardant compounds for wire and cable; linear low density polyethylene (LLDPE) / polyamide blends; LLDPE composites with high mineral or glass filler loading
PB 3349 allows for high load rates of HFFR without sacrificing tensile strength, tensile modulus and elongation properties of your compounds.
Whether you are new to coupling agents or a seasoned veteran, the experts at ChemPoint and SI Group can help you with product suggestions to optimize your formula. Please see the table below and give us a call to learn more.
Compounders and recyclers face multiple challenges with the stabilization and processing of recycled plastics. Learn more and explore our solutions
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