Extending micro-contact printing for patterning complex polymer brush microstructures

Tao Chen, Rainer Jordan, Stefan Zauscher
2011 Polymer  
As a fast developing soft lithographic technique, the development of micro-contact printing (mCP) has exceeded the original aim of replicating poly(dimethylsiloxane) (PDMS) stamp patterns. Here we exploited several extended mCP strategies with various printing conditions (over-force or swelling induced physical deformation, and UV-Ozone treated chemical surface modification to a PDMS stamp), combining with surface initiated atom transfer radical polymerization (SI-ATRP), to pattern complex
more » ... N-isopropylacrylamide) (PNIPAAM) brush microstructures. These series of mCP strategies avoid the need for expensive and sophisticated instrumentation in patterning complex polymer brush microstructures that do not exist on the original PDMS stamp.
doi:10.1016/j.polymer.2011.04.008 fatcat:fztuwvvx2fb5roh6xazmrlxtym