公开(公告)号：US20150140303A1

公开(公告)日：2015-05-21

申请号：US14387970

申请日：2012-03-29

申请人： Jesus Martin Gracia ,  Alfonso Jimenez Guardia

发明人： Jesus Martin Gracia ,  Alfonso Jimenez Guardia

IPC分类号： B32B27/08 ,  B32B27/32 ,  B32B27/18

CPC分类号： B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B2250/24 ,  B32B2307/518 ,  B65D27/04 ,  Y10T428/24975 ,  Y10T428/264 ,  Y10T428/265 ,  Y10T428/31913 ,  Y10T428/3192

摘要： Bi-oriented polypropylene film for envelope windows comprising two or more layers, the central layer or body of the film being composed, in the main, of polypropylene and at least one of the outer layers being compatible with adhesives.The invention disclosed affords the main advantage of being totally compatible with the machinery or processes currently used to produce envelope windows with other films, promoting the use of polypropylene, with a reduction in consumption of between 15% and 35%, depending on the type of film that is replaced.

摘要翻译： 包括两层或更多层的用于信封窗的双向取向聚丙烯膜，主要由聚丙烯和至少一层外层组成的膜的中心层或主体与粘合剂相容。 本发明的主要优点在于与目前用于生产与其它薄膜一起生产包络窗的机械或工艺完全兼容，促进聚丙烯的使用，消耗量在15％至35％之间，取决于 被替换的电影。