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Silane Coupling Agents: Techno Brief

Coupling agents are adhesion promoters that are used to provide a stable bond by reducing the interfacial tension between the fibrous or particulate inorganic component and the organic matrix polymer in reinforced and filled plastics. This Coupling Agents guide is designed to help you understand more about the use of silanes as coupling agents in reinforced plastics, focusing on the benefits and main applications.

Mica Filled Polypropylene

Polypropylene is a valuable thermoplastic having good physical properties, low price and a high heat distortion temperature. Mica as a filler in PP increases its flex modulus with little effect on flex strength.

Treatment with Z-6032 silane provides improvement in both these properties. The treatment also allow a reduced melt viscosity, leading to energy savings in molding operations.

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