Tear initiation and directional tear films and packages made therefrom

作者: Michael Hartman , Daniel Papenfuss

DOI:

关键词:

摘要: The present invention provides a flexible multilayer packaging film and packages formed therefrom wherein the films include first layer comprising biaxially-oriented polymer selected from group consisting of polyester, polyolefin, polyamide, blend thereof surface-roughened portion, second an adhesive, third barrier material, fourth at least one score-line; comprise tear-initiation area directional tear zone.

参考文章(49)
Christos J. Botsolas, Composite insulation jacket ,(1976)
Franklin Hornor Fry, Scoring of materials with laser energy ,(1969)
Shigeyuki Ohshima, Yoshiji Moteki, Shokichi Yamazaki, Easily tearable packing films ,(1998)
Jean-François Lefebvre, Vincent Ferry, Alain Olivieri, Daniel Blanchard, Method for the manufacture of a laser-precut pack and pack ,(1997)
Ayumu Taniguchi, Keiichi Shimizu, Jun-Ichi Tanabe, Masao Komai, Thermoplastic resin-coated aluminum alloy plate and method and apparatus for manufacturing the same ,(1997)
Robert J. Blemberg, Gregory L. Petkovsek, Chad M. Perre, Duane H. Buelow, Jay D. Hodson, Encapsulated barrier for flexible films and a method of making the same ,(2001)