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A new electric double percolation was realized via carbon black self-networking induced co-continuous like morphology (composed of disconnected PU clusters and bands) in polylactide/poly(ether)urethane (PLA/PU) blends. As a result, a simultaneous improvement in electrical conductivity and impact toughness of the blends without compromising strength and modulus has been achieved.
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Xiu et al. (2014) studied this question.
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