Recycling Re-imagined

POLYBOND™ Coupling Agents

With virgin resin prices back on the rise, many companies are trying to manage their costs by incorporating a higher percentage of recycled resin in their finished products. Ultimately, the goal of any recycler is to create a product that does not need to be mixed with virgin resin to achieve the desired physical properties. Realizing these properties is not without challenges.

Different types of plastic tend to phase-separate during the melt process resulting in structural weakness in the finished material. Adding a coupling agent like POLYBOND™ 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 various pigments and fillers present.

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.

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 PP. Provides good adhesion to metal substrates
POLYBOND 1009™	Polyethylene	Acrylic Acid	Coupling agent for glass or mica-filled PE, 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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Recycling Re-imagined

POLYBOND™ Coupling Agents

GET A SAMPLE