Core-shell spheroidal microparticles with polystyrene cores and rich in polyglycidol shells

This paper describes the preparation of spheroidal polystyrene core and polyglycidol-rich microparticles by stretching the relevant core-shell microspheres embedded into the poly(vinyl alcohol) film. The requirements for the preparation of the defect-free core-shell spheroids were determined. The re...

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Bibliographic Details
Published in:Polymer (Guilford) 2018-06, Vol.146, p.6-11
Main Authors: Komar, Patrycja, Gosecka, Monika, Gadzinowski, Mariusz, Gosecki, Mateusz, Makowski, Tomasz, Slomkowski, Stanislaw, Basinska, Teresa
Format: Article
Language:English
Subjects:
Alcohols
Core-shell microspheres
Domains rearrangement
Microparticles
Microspheres
Polymers
Polystyrene
Polystyrene resins
Polyvinyl alcohol
Spheroidal particles
Spheroids
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Summary:This paper describes the preparation of spheroidal polystyrene core and polyglycidol-rich microparticles by stretching the relevant core-shell microspheres embedded into the poly(vinyl alcohol) film. The requirements for the preparation of the defect-free core-shell spheroids were determined. The rearrangement of the microparticle interfacial layer accompanying the conversion of the microspheres into microspheroids is described. [Display omitted] •The aspect ratio of spheroids is equal to the relative film elongation.•The uniaxial thermostretching of particles affected particles surface morphology.•The spherical domains on the particles surface underwent reorientation.•The elongated particles' aspect ratio conforms well to equation derived for spheroids.
ISSN:0032-3861
1873-2291
DOI:10.1016/j.polymer.2018.05.039