NDLI: Functionalization of polymeric membranes by impregnation and in situ cross-linking of a PDMS/β-cyclodextrin network

Content Provider	Springer Nature Link
Author	Fontanava, E. Di Profio, G. Curcio, E. Gior, L. Drioli, E.
Copyright Year	2007
Abstract	In this paper a new method for the functionalization of porous membranes with β-CD is reported. Porous polypropylene (PP) hollow fibres have been impregnated with a mixture composed by a partially cross-linked polydimethylsiloxane (PDMS) and β-cyclodextrin (β-CD). The prepolymerization of the PDMS components was necessary to avoid their inclusion in the β-CD cavity. The firm heterogenization of the β-CD was obtained by in situ cross-linking of the PDMS/β-CD network in the porous membranes.The presence of the PDMS/β-CD network in the membranes was confirmed by FT-IR-ATR (on the outer and inner surfaces) and EDX analyses (on the cross-section).The effect of the impregnation times on membrane morphology, loading and porosity has been investigated.The binding capacity of the heterogenized β-CDs has been tested using the phenolphthalein as guest molecule.
Starting Page	537
Ending Page	543
Page Count	7
File Format	PDF
ISSN	09230750
Journal	Journal of Inclusion Phenomena and Macrocyclic Chemistry
Volume Number	57
Issue Number	1-4
e-ISSN	15731111
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2007-01-23
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	β-cyclodextrin Impregnation and cross-linking Membrane functionalization Porous membranes Recognition properties Crystallography Food Science Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Condensed Matter Physics Food Science

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