Patent ID: 6420022
Filing Date: 2002-07-16
Classification: B32B,Y10T

Abstract:
A wrapped bale comprising:forage product wrapped by a differential cling film, wherein said differential cling film comprises: core layer having a first surface and a second surface, the core layer comprising a polyethylene polymer; high cling layer covering the first surface of the core layer, the high cling layer comprising ultra low density polyethylene and tackifier, the tackifier comprising amorphous polyolefin and being non-liquid under conditions of room temperature and atmospheric pressure, the high cling layer exhibits a same side cling value of between 300 grams and 550 grams at 0% stretch and at 100% stretch according to ASTM- D5458-95; and low cling layer covering the second surface of the core layer, the low cling layer comprising polyolefin and tackifier, the tackifier comprising amorphous polyolefin and being non-liquid under conditions of room temperature and atmospheric pressure the low cling layer exhibits a same side cling value of between 40 grams and 130 grams at 0% stretch and at 100% stretch according to ASTM D5458-95, wherein the differential cling film exhibits a TD tear value of between 500 grams and about 800 grams according to ASTM 1922-94.