Dynamics of Star Polymers Tethered on Hard Cores
The behavior of branched polymers is rather complex, making the use of model architectures particularly powerful for understanding the behavior of these systems. We have recently synthesized star-polymers with a hard fullerene-core which contain 6 polystyrene arms covalently bound to the core. Their Tg behavior even for very short arm molecular weights, appears to be the same as infinite molecular weight linear PS and therefore does not follow theoretical predictions. Clearly molecular motion of these hard cored stars are intriguing and in this proposal we wish to determine the dynamics of the arms for two different polystyrene-arm molecular weight stars using QENS.
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ARRIGHI Valeria; BUCKNALL David G.; CABRAL Joao T. and Bernhard Frick. (2014). Dynamics of Star Polymers Tethered on Hard Cores. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1678
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