| 摘要 |
PURPOSE:To provide a stretch film, in a shortened manufacturing process, improving the production efficiency and packing property, by a method wherein polyvinyl chloride resin composition is extruded under the predetermined condition of humidity and, subsequently, the film is wound up under the predetermined temperature condition of the film. CONSTITUTION:A polyvinyl chloride stretch film is prepared by a method wherein polyvinyl chloride resin composition is extruded under the atmosphere of absolute humidity of 0.014-0.023kg/m<3> and, subsequently, the film is wound up within the temperature range of 35-45 deg.C of film temperature. |
