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Synthesis of Antibacterial Amphiphilic Elastomer Based on Polystyrene-Block-Polyisoprene-Block-Polystyrene via Thiol-Ene Addition

Synthesis of Antibacterial Amphiphilic Elastomer Based on Polystyrene-Block-Polyisoprene-Block-Polystyrene via Thiol-Ene Addition

Elif Keleş, Baki Hazer, Füsun B Cömert

Mater Sci Eng C Mater Biol Appl. 2013 Apr 1;33(3):1061-6.

PMID: 23827543

Abstract:

A new type of amphiphilic antibacterial elastomer has been described. Thermoplastic elastomer, polystyrene-block-polyisoprene-block-polystyrene (PS-b-PI-b-PS) triblock copolymer was functionalized in toluene solution by free radical mercaptan addition in order to obtain an amphiphilic antibacterial elastomer. Thiol terminated PEG was grafted through the double bonds of PS-b-PI-b-PS via free radical thiol-ene coupling reaction. The antibacterial properties of the amphiphilic graft copolymers were observed. The original and the modified polymers were used to create microfibers in an electro-spinning process. Topology of the electrospun micro/nanofibers were studied by using scanning electron microscopy (SEM). The chemical structures of the amphiphilic comb type graft copolymers were elucidated by the combination of elemental analysis, (1)H NMR, (13)C NMR, GPC and FTIR.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS73326	Polystyrene thiol terminated			Price

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