Multilayer polyolefin with balanced sealant properties

Details Multilayer polyolefin with balanced sealant properties Multilayer polyolefin with balanced sealant properties

1996-11-13

1999-02-23

Wilson, Donald R.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 3691, 428218, 428349, 428516, 525240, B29D 2300, B32B 702, B32B 2708

Patent

active

058741399

ABSTRACT:
The subject invention generally provides a multilayer structure that includes a polymer mixture made from at least two polymer component materials. The invention particularly pertains to a multilayer structure containing an improved sealant layer and a polypropylene layer, wherein the sealant layer is made from a homogeneously branched ethylene polymer having particular molecular weight characteristics and a second ethylene polymer. The sealant layer has balanced properties such low heat seal and hot tack initiation temperature, a high hot tack strength and a broad hot tack seal window. The multilayer structure is particularly useful as a biaxially oriented polypropylene (BOPP) packaging film structure.

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