MANUFACTURING METHOD OF LAMINATE, LAMINATE AND PACKING MATERIAL

• Main Author: TAKAYANAGI KOSUKE
• Format: Patent
• Language: English; Japanese
• Published: 30.11.2017
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; STORING; TRANSPORTING

PROBLEM TO BE SOLVED: To stably achieve liquid repellency on a liquid repellent layer, in a laminate including a hot-melt layer and the liquid repellent layer formed in this order on a base material.SOLUTION: A manufacturing method of a laminate includes: a first step of applying a hot-melt adhesive on one side of a base material by printing to form a hot-melt layer; a second step of flattening a surface of the hot-melt layer formed in the first step; and a third step of forming, on the entire surface of the hot-melt layer after the second step, a liquid repellent layer including a hydrophobic fine particle and a binder.SELECTED DRAWING: Figure 1 【課題】基材にホットメルト層と撥液層とがこの順に形成された積層体において、撥液層の撥液性が安定的に得られるようにする。【解決手段】この発明の積層体の製造方法は、基材の一面にホットメルト接着剤を印刷で塗布して、ホットメルト層を形成する第一工程と、第一工程で形成されたホットメルト層の表面を平坦化する第二工程と、第二工程後のホットメルト層の表面全体に、疎水性微粒子とバインダとを含む撥液層を形成する第三工程と、を有する。【選択図】図１