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PROCESS FOR THE PRODUCTION OF MONOMOLECULAR CHEMISORPTION FILM, AND PROCESSES FOR THE PRODUCTION OF LIQUID CRYSTAL ALIGNMENT FILMS AND LIQUID CRYSTAL DISPLAYS BY USING THE CHEMISORPTION FILM
PROCESS FOR THE PRODUCTION OF MONOMOLECULAR CHEMISORPTION FILM, AND PROCESSES FOR THE PRODUCTION OF LIQUID CRYSTAL ALIGNMENT FILMS AND LIQUID CRYSTAL DISPLAYS BY USING THE CHEMISORPTION FILM
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机译:通过使用化学膜生产单分子化学膜的过程以及生产液晶膜和液晶显示器的过程
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摘要
The invention provides methods of forming a monomolecular chemisorption film having an excellent uniformity and liquid crystal alignment performance with a high production efficiency. The monomolecular chemisorption film of the invention can be suitably used for liquid crystal alignment layers. A method according to the invention includes at least the steps of forming a solution layer on a surface of a substrate, by contacting the adsorption solution with the surface of the substrate, the adsorption solution including a silane-based surface active agent, and a nonaqueous organic solvent, accelerating a chemisorption reaction by evaporating the organic solvent and concentrating the surface active agent contained in the solution layer in a dry atmosphere having a relative humidity of 30% or lower to chemisorb the molecules of the surface active agent onto the surface of the substrate, aging to complete the chemisorption reaction for a predetermined time, after the evaporating the organic solvent in the solution layer, and washing the surface of the substrate with a nonaqueous organic solvent to remove unreacted molecules of the surface active agent remaining on the surface of the substrate. IMAGE
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