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POLYBOND™ coupling agent additives assists various polyolefin-reinforced composites containing wood fiber, glass fiber, cellulose fiber, or mineral-filled applications. During the melting process, plastic tends to phase-separate resulting in structural weakness in the finished material. Incorporating a coupling agent into your formulation can improve the quality of the resulting product in two ways: first by improving bonding at the phase boundaries, and second by better incorporating the pigments and fillers present.
Benefits of POLYBOND™ for Recycled Polyolefin Composites
Explore the various SI Group coupling agent grades below that work best for your resin system and formulation.
Grade | Resin Type | Modifier | Key Properties |
---|---|---|---|
POLYBOND 1001N™ | Polypropylene | Acrylic Acid | Provides improved adhesion of PP to metals and other polar surfaces. |
POLYBOND 1002™ | Polypropylene | Acrylic Acid | Coupling agent for glass or mica-filled polypropylene composites. Provides good adhesion to metal substrates. |
POLYBOND 1009™ | Polyethylene | Acrylic Acid | Coupling agent for glass or mica-filled polyethylene. Provides good adhesion to metal substrates. |
POLYBOND 3000™ | Polypropylene | Maleic Anhydride | Improved strength and hydrolytic stability in filled PP systems. Ideal for tie-layers between multilayer polar and non-polar materials and for improved ink adhesion to non-woven PP. |
POLYBOND 3002™ | Polypropylene | Maleic Anhydride | Glass fiber, cellulose fiber, or mineral-filled PP. Compatibalizes PP/PA and PP/EVOH blends to improve processability, mechanical properties, and long-term heat aging resistance. |
POLYBOND 3009™ | Polyethylene | Maleic Anhydride | Improves strength and impact resistance. Provides good adhesion in film and sheet applications. |
POLYBOND 3029™ | Polyethylene | Maleic Anhydride | Improves tensile, flexural, and impact strength. Lowers water absorption. Ideal in wood and natural fiber-filled PE composites. |
POLYBOND 3150™ | Polypropylene | Maleic Anhydride | Improved flexural/tensile strength and hydrolytic stability. Ideal for tie-layers between polar and non-polar materials and compatibalizing PA/PP blends. |
POLYBOND 3200™ | Polypropylene | Maleic Anhydride | Low addition coupling agent for filled PP systems that improves strength and impact performance. Provides good adhesion in film and sheet applications, and compatibalizes PP/PA blends. |
POLYBOND 3349™ | Polyethylene | Maleic Anhydride | Glass-filled PE composites with high mineral filler levels. Enhanced hydrolytic stability and strength to compatibalize PE/PA blends. Functions as a process aid for halogen-free W&C compounds by improving dispersion and mechanical properties. |
POLYBOND 7200™ | Polypropylene | Maleic Anhydride | High-efficiency coupling agent for cellulose-filled PP by reducing water uptake and providing higher flexural/tensile strength and impact properties. |
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