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● Prepared from poly (t -butyl acrylate) brush .

Synthesis of Poly(acrylic acid) Brushes via Thermolytic Degradation W. J. Brittain DMR-0423786. 190-200 ° C. 30 min. Thickness = 36 nm, θ a (H 2 O) = 93 °. Thickness = 16 nm, θ a (H 2 O) = 48 °. ● Prepared from poly (t -butyl acrylate) brush .

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● Prepared from poly (t -butyl acrylate) brush .

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  1. Synthesis of Poly(acrylic acid) Brushes viaThermolytic DegradationW. J. Brittain DMR-0423786 190-200° C 30 min Thickness = 36 nm, θa (H2O) = 93° Thickness = 16 nm, θa (H2O) = 48° ● Prepared from poly(t-butyl acrylate) brush. ● Simple thermolysis produces poly(acrylic acid) brush in absence of solvent (difficult to produce by other methods. ● Poly(acrylic acid) brush expands with increasing pH (see figure to right) W. J. Brittain DMR-0423786 Program Officer: Andy Lovinger Macromolecules. 2005, submitted for publication.

  2. Passive Flow Control in Microchannels Using Diblock Copolymer Brushes Education: 1 PhD, 1 undergraduate REU students and 1 postdoctoral research associate Publications & Presentations: 2 publications, 5 conference proceedings, 10 presentations (8 invited) Public Outreach: one external conference Advances in Polymer Brushes:held at the 230th National American Chemical Society Meeting, August 28 – September 1, 2005 (supported by DMR-0534197) W. J. Brittain DMR-0423786 Program Officer: Andy Lovinger

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