| abstract |
materials; And at least two layers disposed on said substrate, wherein each said layer comprises a block copolymer comprising a first block and a second block, wherein the first block is a hydrogen acceptor or hydrogen A repeating unit containing a donor, the second block containing a hydrogen donor if the repeating unit of the first block contains a hydrogen acceptor, or a repeat containing a hydrogen acceptor if the repeating unit of the first block contains a hydrogen donor A unit; A first innermost block of the two or more layers is bonded to the substrate, and a first block of each layer disposed on the innermost layer is joined to a second block of each base layer; A multilayer article is disclosed in which the hydrogen donor or hydrogen acceptor of the second block of the outermost two or more layers is blocked. |