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Polymer Coupling Agents & Impact Modifiers
Polymer Coupling Agents & Impact Modifiers
Pluss Polymers offers Polymer Coupling Agents & Impact Modifiers, P-406. These are used as coupling agents or compatibilisers in talc filled PP, glass filled PP, calcium carbonate and other mineral filled PP. They also act as wetting and dispersing aids for colours and pigments. The grafted polypropylene acts by improving interfacial adhesion between the filler and polymer matrix. Thus the polar functional groups bond with the surface of fillers like calcium carbonate, talc, mica and glass fibres, while the PP backbone mixes well with the matrix polymer. This results in better dispersion of the filler and enhancement of mechanical properties of the compound. In addition, extruder stoppages done for frequent cleaning of the die are greatly reduced. In injection moulded products, better pigment dispersion and higher flow of the filled compound make it possible to mould dimensionally stable thin wall parts or parts with profile of varying thickness level of addition.