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    • 41. 发明授权
    • Method for preparing laminate for packaging material and laminate for packaging material
    • 用于包装材料的层压材料和用于包装材料的层压材料的制备方法
    • US06780269B2
    • 2004-08-24
    • US09913959
    • 2001-12-17
    • Norio KobayashiPeter Frisk
    • Norio KobayashiPeter Frisk
    • B32B1508
    • B32B27/10B32B15/08B32B15/20B32B27/32B32B37/153B32B38/145B32B2038/0092B32B2255/10B32B2255/205B32B2311/24B32B2317/12B32B2323/04B32B2323/046B32B2398/20B32B2439/70B32B2553/00Y10T428/31678Y10T428/31692Y10T428/31902
    • A packaging material laminate comprises at least a printing ink outer layer, an aluminium vapor deposition film layer containing linear low density polyethylene obtained by a polymerization using metallocene catalyst, a polyethylene-extrusion lamination layer, and a carrier layer of paper or paper substitution material. The method of manufacturing includes the steps of vapor-depositing aluminium on one side of the web film containing linear low density polyethylene obtained by the polymerization using metallocene catalyst, winding up the aluminium vapor deposition film temporarily in a reel form, making direct contact between the aluminium vapor deposition surface and the film surface containing a linear low density polyethylene, keeping the reel in predetermined time, unwinding the aluminium vapor deposition film from the kept reel, applying a fused lamination resin by the extrusion lamination by fused polyethylene, between the vapor deposition surface of the aluminium vapor deposition film layer and the surface of the barrier layer, laminating the aluminium vapor deposition film layer and the carrier layer, forming an ink layer in the appearance surface of the outside of the laminate by printing.
    • 包装材料层叠体至少包括印刷油墨外层,含有通过使用金属茂催化剂的聚合获得的线性低密度聚乙烯的铝蒸镀膜层,聚乙烯挤出层叠层和纸或纸替代材料的载体层。 制造方法包括以下步骤:在通过使用茂金属催化剂的聚合获得的线性低密度聚乙烯的卷材膜的一面上气相沉积铝,将铝蒸镀膜暂时卷绕成卷盘形式,直接接触 铝蒸汽沉积表面和膜表面含有线性低密度聚乙烯,将卷轴保持在预定时间内,从保持的卷轴上取出铝蒸镀膜,在熔融聚乙烯之间通过熔融聚乙烯的挤出层压施加熔融层压树脂 铝蒸镀膜层的表面和阻挡层的表面,层叠铝蒸镀膜层和载体层,通过印刷在层叠体的外观表面形成油墨层。