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A gas-permeable cellulose template for microimprint lithography has been synthesized and characterized for the reduction of template damage and gas trapping caused by solvents and oxygen generated from cross-linked materials. The 5 μm line-pattern failure of the microimprinted UV cross-linked liquid materials with 4.7 wt% acetone as a volatile solvent is solved by using the gas-permeable cellulose template because of its increased oxygen permeability. The gas-permeable cellulose template also allows the use of volatile solvents with high coating property and solubility into the microimprinted materials instead of the compounds and plastic resins conventionally used in mold injection. [ABSTRACT FROM AUTHOR]

An approach to optical plate production using the nanomorphology of polymer blends in lightscattering thermosetting plates based on self-assembly was investigated without using the conventional approach of blending nanoparticles such as silica sol, zirconia sol, phosphor, or chromophore into the polymer matrix. For this purpose, two specified polymers having carboxylic acid and epoxy groups were blended using a light-emitting diode for use in liquid crystal displays. The developed light-scattering thermosetting plate containing poly(acrylic acid) with the carboxylic acid at four different weight average molecular weights in a cycloaliphatic epoxy polymer was shown to achieve regular nanoparticles of 30-350nm for light-scattering, light-scattering rates of over 10% at a wavelength of 300 nm, a thermal stability up to 230°C, O2 gas barrier properties approximately 50 times smaller than that of polyethylene, and solvent resistance after polymerizing. [ABSTRACT FROM AUTHOR]