Abstract
A series of MOPEO-b-PCL diblock copolymers (DBCs) with M nMOPEO = 2.5 · 103 and M nPCL = (0.28 ÷ 2.43) · 104 was synthesized using the anionic ring-opening block copolymerization. A bulk structure of the copolymers was studied with DSC. One glass transition and three melting peaks for MOPEO-b-PCL were found, thus implying the existence of separate crystalline domains of both blocks in a copolymer structure. The intense micellization of DBCs in dioxane/aqueous solutions was found with a spectrophotometry, a static light scattering, and photography. A reduction in CMC and an increase in −ΔG° values with growth of the PCL length and at the addition of prednisolon (PS) were established. The hydrogen bonding of PS with DBCs was confirmed with FTIR spectroscopy.
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