Fabrication of Reversibly Crosslinkable, 3-Dimensionally Conformal Polymeric Microstructures
Luke A Connal, Robert Vestberg, Craig J Hawker, Greg G Qiao
ADVANCED FUNCTIONAL MATERIALS | WILEY-V C H VERLAG GMBH | Published : 2008
Multifaceted porous materials were prepared through careful design of star polymer functionality and properties. Functionalized core crosslinked star (CCS) polymers with a low glass transition temperature (Tg) based on poly(methyl acrylate) were prepared having a multitude of hydroxyl groups at the chain ends. Modification of these chain ends with 9-anthracene carbonyl chloride introduces the ability to reversibly photocrosslink these systems after the star polymers were self-assembled by the breath figure technique to create porous, micro-structured films. The properties of the low Tg CCS polymer allow for the formation of porous films on non-planar substrates without cracking and photo-cro..View full abstract
Awarded by Australian Research Council's Discovery
Awarded by NSF MRSEC Program
The Authors would like to thank Dr. Alexander Zelikin, Dr. Angus Johnston and Dr. Will Mulholland for help with fluorescent microscopy. Financial support from an Australian Research Council's Discovery Grant (DP0345290) and the NSF MRSEC Program DMR0520415 (MRL-UCSB) are gratefully acknowledged. The authors would also like to thank the Royal Australian Chemical Institute (Polymer Division) for travel support through the O'Donnell prize (L. A. C).