| 摘要 |
PURPOSE:To provide a method for forming a thin film of a water-soluble polymer on a water-soluble support without spoiling structure and shape of the water-soluble supporting paper and inexpensively and a sheet for seeding and seedling culture prepd. by the method. CONSTITUTION:In a method for forming a thin film of a water-soluble polymer on the surface of a water-soluble supporting paper, after the water-soluble polymer is dissolved in a mixed solvent of water and an org. solvent being easily soluble in water, the surface of the supporting paper is coated with the mixed soln. and the thin film of the water-soluble polymer provided by using this method is coated with an adhesive in a small dotted pattern. |
