William C Donohue

US Patent:

62999680, Oct 9, 2001

Filed:

May 30, 2000

Appl. No.:

9/580678

Inventors:

Azmi Karaoglu - Wayne NJ
Dennis J. Kalz - Danville VA
William J. Donohue - Danville VA
Debra H. Tickle - Keeling VA

Assignee:

Intertape Inc. - Danville VA

International Classification:

B32B 702
B32B 2732

US Classification:

428213

Abstract:

The present invention provides improved multi-layer general purpose stretch film products. The products comprise at least a core layer, adjacent inner layers and outer layers. The outer layers represent from 8 to 25 percent by weight of the film and comprise a blend of a linear low density polyethylene, a metallocenes catalyzed linear low density polyethylene, and a flexible very low density polyethylene. The inner layers represent from 15 to 35 percent by weight of the film and comprise a blend of linear low density polyethylene and a metallocenes eatalyzed linear low density polyethylene. The core layer represents from 15 to 35 percent by weight of the film and comprises linear low density polyethylene. The linear low density polyethylene components are either single products or blends of products. The final film exhibits improved properties needed in stretch wrap films such as puncture resistance and load retention.