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    • 7. 发明申请
    • PROCESSES FOR PRODUCING ORIENTED POLYMERIC FILMS PROVIDED WITH UV-ACTIVE COATINGS
    • 生产用UV活性涂料提供的定向聚合物膜的方法
    • WO2007021366A1
    • 2007-02-22
    • PCT/US2006/024207
    • 2006-06-21
    • EXXONMOBIL OIL CORPORATIONMAERTENS, Christophe, J.LUO, Shifang
    • MAERTENS, Christophe, J.LUO, Shifang
    • B32B27/00B05D3/06B05D3/10B05D3/14B05D7/00C08J7/18
    • B29C55/026B05D3/067B05D3/12B05D7/04B29C55/06B29C55/14C08J7/18C08J2323/02
    • Processes for producing oriented films with at least one surface having a coating including at least one UV-active group and at least one unsaturated functional group are provided. The processes involve providing the coating on at least one surface of the oriented film by applying the coating to the surface of the film in-line during the film production process. In certain embodiments, the coating is applied prior to completion of the orientation process. In other embodiments, the coating is applied after completion of the orientation process and before completion of the film production process. In certain embodiments, the films are produced in biaxial orientation process and the coating is applied between the orientation steps during biaxial orientation of the film. In certain embodiments, the coating is applied to the film surface after orientation of the film in the machine direction and prior to orientation of the film in the transverse direction. The coatings are applied after the surface to be coated is treated by any of a variety of methods to energize the film surface such as corona discharge. Once applied, the coating may be thermally or electronmagnetically cured. Films produced in these processes are suitable for use in a variety of applications including films used as substrates for UV curable ink printing and for the production of UV protective laminate structures.
    • 提供了具有至少一个具有包含至少一个UV活性基团和至少一个不饱和官能团的涂层的表面的取向膜的方法。 这些方法涉及通过在膜生产过程中将涂层施加到膜的表面上,将涂层提供在取向膜的至少一个表面上。 在某些实施方案中,在取向过程完成之前涂覆涂层。 在其它实施方案中,在完成定向过程之后并且在膜生产过程完成之前涂覆涂层。 在某些实施方案中,膜是以双轴取向工艺制造的,并且在膜的双轴取向期间将涂层施加在取向步骤之间。 在某些实施方案中,在膜沿机器方向取向之后并且在横向方向取向之前,将涂层施加到膜表面。 在待涂覆的表面之后,通过各种方法中的任何一种来对膜表面进行激励(例如电晕放电)来施加涂层。 一旦施加,涂层可以是热或电子磁性固化的。 在这些方法中生产的膜适合用于各种应用,包括用作UV固化油墨印刷的基材的膜和用于生产UV保护层压结构的膜。