PolyMedex Discovery Group (Putnam, CT) offers NanoMedTM thermoplastic elastomer (TPE) formulations for minimally invasive medical devices. These formulations increase flexural modulus (stiffness) of polymers while maintaining flexibility, resulting in increased push and torque performance for catheter devices. The compounds incorporate ultra-fine nanoparticles within the polymer matrix using dispersion technology to create oriented reinforcement at the molecular level. The nanoparticles interact directly with the polymer structure, resulting in improvement of selective material properties at low filler loadings. Nanoparticles used in the formulations have a thickness of less than one nanometer and widths in the range of five micrometers.
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