The Relationship between Thermomechanical Properties with Morphology in PCL / PHBV / MWCNT Biodegradable Nanocomposites with Application in Neural Tissue Engineering

  The purpose of this study was to find a combination of nanocomposite polymer with biomechanical and physical properties suitable for use in the treatment of nerve damage.In this research PCL  and PHBV  with a ratio of 25/75, 10/90 And its nanocomposites were prepared using the same MWCNT nanoparticle with different weight percentages of 1 and 3 wt% by solvent method. To evaluate morphological properties were used Samples prepared of test SEM, TEM and DMA. In the SEM test has been shown that the two polymers are compatible and, we did not see anything in the compatibility by increasing the composition . In the TEM test, is showed we had phase separation And CNT had a tended and And relative to PHBV is Incompatible and how much nanoparticles increase, CNTs are more likely to be spun. In DMA test is shown that PCL is softer than PHBV and  After combining PCL and PHBV, the modulus decrease that its reason is combination hard material with soft material. In the XRD test, it has been shown that the PCL sample has a much better and more stable crystallinity and crystallinity than PHBV. By alloying and the presence of carbon nanoparticles, it was found that the sample, which had the highest percentage of PCL and 3 percent by weight of carbon nanoparticles, gave us a much larger crystalline structure.