Origins of Elastic Properties in Ordered Block Copolymer/Nanoparticle Composites
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We predict a diblock copolymer melt in the lamellar phase with added spherical nanoparticles that have an affinity for one block to have a lower tensile modulus than a pure diblock copolymer system. This weakening is due to the swelling of the lamellar domain by nanoparticles and the displacement of polymer by elastically inert fillers. Despite the overall decrease in the tensile modulus of a polydomain sample, the shear modulus for a single domain is unaffected by fillers.
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Russell B. Thompson, Kim O. Rasmussen, Turab Lookman (2004). Origins of Elastic Properties in Ordered Block Copolymer/Nanoparticle Composites. UWSpace. http://hdl.handle.net/10012/17711