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Functionalization of Polycarbonate Surfaces by Grafting <scp>PEG</scp> and Zwitterionic Polymers with a Multicomb Structure

Jing Yang,Juan Lv,Marc Behl,Andreas Lendlein,Di Yang,Li Zhang,Changcan Shi,Jintang Guo,Yakai Feng

Surface modification

Polycarbonate

Grafting

2013

The hemocompatibility of polycarbonateurethane (PCU) surfaces is improved by decoration with poly(poly(ethylene glycol) methacrylate) (poly(PEGMA)) and zwitterionic poly(3-((2-(methacryloyloxy)ethyl)dimethylammonio)propane-1-sulfonate) (poly(DMAPS)) blocks providing a novel multicomb structure obtained by application of surface-initiated atom transfer radical polymerization (s-ATRP) conditions. The PCU-poly(PEGMA-g-DMAPS) surface shows high hydrophilicity with a low contact angle of 20.6 ± 1.8°, while PCU-poly(PEGMA-b-DMAPS) surface exhibitsed a contact angle of 30.5 ± 2.6°. Furthermore, PCU-poly(PEGMA-g-DMAPS) surface shows very low platelet adsorption indicating that multicomb structure modified PCUs are preferred candidate materials for blood-contacting materials.

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“Functionalization of Polycarbonate Surfaces by Grafting <scp>PEG</scp> and Zwitterionic Polymers with a Multicomb Structure” is a paper by Jing Yang Juan Lv Marc Behl Andreas Lendlein Di Yang Li Zhang Changcan Shi Jintang Guo Yakai Feng published in 2013. It has an Open Access status of “closed”. You can read and download a PDF Full Text of this paper here.