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New nanocomposites were prepared by melt blending poly(l-lactide) (PLLA), poly(ɛ-caprolactone) (PCL), and organically modified montmorillonite (OMMT). The obtained nanocomposites showed enhanced tensile strength, modulus and elongation at break than that of PLLA/PCL blends. The dynamic mechanical analysis showed the increasing mechanical properties with temperature dependence of nanocomposites. Wide-angle...
The morphology of solution grown single crystals of a series of double crystalline diblock copolymers derived from l-lactide and ɛ-caprolactone has been investigated by means of transmission electron microscopy. The copolymers had a variable composition with a poly(l-lactide) weight percentage that ranged between 81 and 10%. All samples had a low polydispersity index (1.4–1.1) and a similar number...
The reactions of methylenediphenyl 4,4’-diisocyanate (MDI) with hydroxy-terminated 4-armed star-shaped l-lactide oligomer (H4LAOn) and 4-armed star-shaped ε-caprolactone oligomer (H4CLOn) with the degree of polymerization per one arm, n = 3, 5 or 10 produced conetworks [MH4(LA/CL)Ons] with the feed H4LAOn/H4CLOn weight ratios of 75/25, 50/50 and 25/75. The formation of conetwork structures with different...
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