A review on phase-inversion technique-based polymer microsphere fabrication

In this review, the preparation method of polymer microspheres (MCs) by phase-inversion is addressed and discussed in detail. An interesting advantage of MCs prepared by the PI method is tailor-made morphology that is a critical factor in separation/adsorption/transport systems. This is relevant sin...

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Bibliographic Details
Published inColloid and interface science communications Vol. 40; p. 100329
Main Authors Duraikkannu, Shanthana Lakshmi, Castro-Muñoz, Roberto, Figoli, Alberto
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.01.2021
Subjects
Absorbent
Emulsification
Membrane
Microspheres
Phase-inversion
Absorbent
PSF
PLA
Emulsification
PU
EIPS
Phase-inversion
SPG
BMIM
PSt
Microspheres
AOA
PLGA
MC
O/W
PEEKWC
Membrane
PI
NIPS
PIT
VIPS
PES
TIPS
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Summary:In this review, the preparation method of polymer microspheres (MCs) by phase-inversion is addressed and discussed in detail. An interesting advantage of MCs prepared by the PI method is tailor-made morphology that is a critical factor in separation/adsorption/transport systems. This is relevant since MCs are useful storage device to load chemical, biological components (e.g. drug, enzyme, antioxidant, among others) for physiological and environmental pollution control applications (towards metal ions/organic moieties from different effluents). Different parameters have been reviewed, such as preparation mechanism, the effect of loading material used (e.g. chemical and biomaterials) and their morphologies. Microsized range polymeric materials have been identified as the most suitable in several high-end applications, where the main requirement is a high active surface area and inert host polymer matrix. Several conventional techniques (physical and chemical) have been explored for MCs preparation, as well as the most used structured materials for valuable and sensitive components loading. The current review also compiles the phase-inversion (PI) methodology, as well-adopted membrane preparation protocol, for MCs preparation and the main parameters that influence in their size, shape and loading concentration. Special attention has been given to summarize the MCs (mimic membrane morphology) preparation and its application carried out at ITM-CNR in last decade. [Display omitted] •Assessment of different approaches for microsphere preparation.•Critical review for microsphere fabrication by phase-inversion (PI) technique•Synthetic polymer-based microsphere structure (mimic membranes), shape and nature depend on PI conditions involved•Polymer dope solution physical properties (viscosity, density, etc.,) influence the MC cross section structures
ISSN:2215-0382
2215-0382
DOI:10.1016/j.colcom.2020.100329