2010 Volume 39 Issue 11 Pages 1209-1211
A reactive polymer brush containing alkoxyamine units in the side chains, when heated with an alkoxyamine-terminated fluorinated nongrafted polymer, gave a grafted copolymer brush by a radical crossover reaction of alkoxyamine units. The fluorinated grafted copolymer brush could be converted back to the parent polymer brush upon treatment with an excess of low-molecular alkoxyamine. The reversible change in the surface properties of the brush was confirmed by X-ray photoelectron spectroscopy and contact angle measurements.
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