NEUTRAL LAYER POLYMERS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide resin compositions exhibiting a form of microdomains (e.g., lamellas or cylinders) with a periodic structure smaller than 20 nanometers.SOLUTION: A composition contains: a block copolymer comprising a first segment and a second segment that are covalently bonded to each other and that are chemically different from each other, where the first segment has a first surface free energy and the second segment has a second surface free energy; an additive copolymer, which comprises a surface free energy reducing moiety having a lower surface free energy than the first segment and the second segment, the additive copolymer further comprising one or more moieties having an affinity to the block copolymer, where the surface free energy reducing moiety is chemically different from the first segment and from the second segment, where the additive copolymer is not water miscible and is not covalently bonded with the block copolymer; and a solvent.