Phase separation in nanofiber from crystallization induced self-assembly

What is it about?

This research provides a novel, facile and promising method for effectively regulating the morphology and the properties of the nanofibers based on crystalline-coil copolymer, and may have great potential in future materials and nanotechnology applications.

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Why is it important?

Electrospinning is an effective and versatile way to fabricate ultrafine fibers with multilevel structure. In this work, a novel and facile strategy was developed using mixing solvents for controlling the crystallization induced self-assembly of PPDO-b-PEG copolymer in spinning solution and therefore the phase separation in single spinneret electrospun PLA/PPDO-b-PEG nanofibers. Nanofibers with very different phase morphologies and properties were obtained by this special method.