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This work investigates the thermal and rheological properties of the poly(L‐lactide‐co‐ε‐caprolactone), PLC, tapered block copolymer synthesized by ring‐opening polymerization (ROP) using stannous octoate (Sn[Oct]2) as an initiator. The PLC copolymer (LL: CL = 48.9:51.1 mol% from 1H‐NMR) was obtained as a transparent, elastomeric material with a tapered monomer sequencing (R = 0.38 from 13C‐NMR data)...
Multi-walled carbon nanotube-epoxy composites are modified with titania nanoparticles in order to obtain multiphase nanocomposites with an enhanced dispersion of carbon nanotubes. The dispersion is monitored using rheological and electrical conductivity measurements. An increase in dispersion quality can be correlated to an increased storage shear modulus of the uncured suspensions and to a decreased...
We apply a new X-ray scattering approach to the study of melt-spun filaments of tri-block and random terpolymers prepared from lactide, caprolactone and glycolide. Both terpolymers contain random sequences, in both cases the overall fraction of lactide units is ∼0.7 and 13 C and 1 H NMR shows the lactide sequence length to be ∼9–10. A novel representation of the X-ray fibre pattern...
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