Homopolymers and Composites

PLA is often plasticized in order to decrease its to ambient temperatures. This, however, supports the cold crystallization that should be avoided. Moreover, the plasticizer easily bleeds out. Both crystallization and plasticizer migration can be circumvented by suitable electron beam irradiation of plasticized PLA. The resulting elastomer-like material shows promising SM behavior [12]. 

Unlike PLA, the ductility of PCL is very high, which predestinates it for SM applications. The and of PCL are at about -50 C and 60 C, respectively [13]. In order to make use of its as (which is exclusively the case), PCL 

Peroxide cross-linked poly(propylene sebacate), synthesized from biorenewable resources, exhibited a at about 50 °C serving as in the SM cycle. The value of could be tuned by the peroxide cross-linking and boehmite nanofillers content yielding a temperature interval between 37 and 51 °C, which is close to body temperature. Interestingly, the boehmite nanoplatelets contributed to a fast in vitro degradation of this polymer [25]. 

PCLs bearing foran and maleimide groups, respectively, were reacted. (Ref [23], reproduced with permission of Wiley.) 

Copolymerization is the most widely used technique to control and tune the biodegradability of polymers. Copolymerization thus widens the potential of SMPs for their biomedical applications. 

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Some physical characteristics of homopolymers and compositions of the studied mixtures... 

Mechanodynamic tests can be observed in Figures 2-4. In general, storage (G ) and loss (G ) moduli as a function of temperature, show similar trajectory for homopolymer and composites, denoting a clear decay... 

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