Copper-Mediated Living Radical Polymerization Utilizing Biological and End Group Modified Poly(ethylene-co-butylene) Macroinitiators

2000 ◽  
pp. 182-196 ◽  
Author(s):  
David M. Haddleton ◽  
Adam P. Jarvis ◽  
Carl Waterson ◽  
Stefan A. F. Bon ◽  
Alex M. Heming
Keyword(s):  
Radical Polymerization ◽  
Living Radical Polymerization ◽  
Poly Ethylene ◽  
End Group

Antimicrobial activity of polystyrene particles coated by photo-crosslinked block copolymers containing a biocidal polymethacrylate block

e-Polymers ◽  
2005 ◽  
Vol 5 (1) ◽  
Author(s):  
Sandrine Lenoir ◽  
Christophe Pagnoulle ◽  
Christophe Detrembleur ◽  
Moreno Galleni ◽  
Robert Jérôme
Keyword(s):  
Antimicrobial Activity ◽  
Block Copolymers ◽  
Atom Transfer Radical Polymerization ◽  
Radical Polymerization ◽  
Triblock Copolymers ◽  
Hydroxyl Group ◽  
Cross Linking ◽  
Biocidal Activity ◽  
Poly Ethylene ◽  
End Group

AbstractA commercially available poly(ethylene-co-butylene) copolymer, endcapped by a short polyisoprene block and a hydroxyl group (PI-b-PEB-OH), has been derivatized into a macroinitiator for atom transfer radical polymerization (ATRP) by esterification of the hydroxyl end-group by an activated bromidecontaining acyl bromide. Two types of triblock copolymers, PI-b-PEB-b-poly- (dimethylaminoethyl methacrylate) (PDMAEMA) and PI-b-PEB-b-poly[2-(tert-butylamino) ethyl methacrylate] (PTBAEMA), have been synthesized and used to coat polystyrene particles. These coatings have been permanently immobilized by UV cross-linking of the isoprene units. They exhibit a biocidal activity against Gramnegative bacteria either intrinsically in case of the PTBAEMA block or upon quaternization of the PDMAEMA block by octyl bromide. The antimicrobial activity is directly related to the concentration of coated PS particles in the medium.

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