Self-assembled structures, method of manufacture thereof and articles comprising the same
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Disclosed herein is a graft block copolymer comprising a first block polymer; the first block polymer comprising a backbone polymer and a first graft polymer; where the first graft polymer comprises a surface energy reducing moiety that comprises a halocarbon moiety, a silicon containing moiety, or a combination of a halocarbon moiety and a silicon containing moiety; a second block polymer; the second block polymer being covalently bonded to the first block; wherein the second block comprises the backbone polymer and a second graft polymer; where the second graft polymer comprises a functional group that is operative to undergo acid-catalyzed deprotection causing a change of solubility of the graft block copolymer in a developer solvent.
Cho, Sangho; Sun, Guorong; Wooley, Karen L.; Thackeray, James W.; Trefonas III, Peter (2018). Self-assembled structures, method of manufacture thereof and articles comprising the same. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from