Stiff woven polyethylene fabric

Details Stiff woven polyethylene fabric Stiff woven polyethylene fabric

B - Operations, Transporting

32

B

154/135, 154/90.

B32B 7/12 (2006.01) B32B 27/12 (2006.01) D03C 1/04 (2006.01) D06M 15/227 (2006.01)

Patent

CA 1135609

ABSTRACT A stiff, tear resistant woven polyethylene fabric is disclosed, which comprised a woven structure of mono- axially oriented polyethylene tapes laminated to an oriented polyethylene film with an adhesive synthetic thermoplastic polymer therebetween. The adhesive has a lace structure with a sufficient number of holes and of an average size to pro- vide the fabric having a tear strength in at least one of the transverse and machine directions substantially greater than the tear strength of a similar fabric produced with ? continuous homogeneous film of adhesive of the same syn- thetic thermoplastic polymer and of the same thickness as the adhesive portions of the lace adhesive. The ratio of the area of the lace structure is between about 0.4 and 0.85. The fabric is useful for sacks which are filled in auto- matic packaging operations.

341101

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