METHOD FOR PRODUCING SEALANT FILM FOR PACKAGING MATERIAL

• Main Author: SAKIYAMA TETSUZO
• Format: Patent
• Language: English; Japanese
• Published: 22.12.2016
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To provide a method for producing a package material film having high rigidity.SOLUTION: Provided is a method for producing a sealant film for a package material at least comprising: an extruding machine of extruding a thermo-molten resin film; a cast roll for cooling the thermo-molten resin film including an adhesive auxiliary apparatus for adhering the thermo-molten resin film to the cast roll, characterized in that warm wind of 25°C or higher is blown, and the warm wind is applied to the thermo-molten resin film so as to be adhered to the cast roll.SELECTED DRAWING: Figure 1 【課題】 高剛性を有する包装材料フィルムの製造方法を提供する。【解決手段】 少なくとも、熱溶融樹脂膜を押出す押出機と、前記熱溶融樹脂膜を冷却するキャストロールと、前記熱溶融樹脂膜をキャストロールに密着させるための密着補助装置とを具備する包装材料用シーラントフィルムの製造方法であって、前記密着補助装置から２５度以上の温風を吹き出し、前記温風を前記熱溶融樹脂膜に当ててキャストロールに密着させることを特徴とする、包装材料用シーラントフィルムの製造方法である。【選択図】図１