B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 55/12 (2006.01) B32B 27/32 (2006.01)
Patent
CA 2178459
A low shrink tension film comprises a first thermoplastic polymeric component and a second theromplastic polymeric component. The first component comprises homogeneous substantially linear ethylene/alpha-olefin copolymer having long chain branching, the copolymer having a density of less than about 0.92 g/cc. The second component has a melting point at least 10°C higher than a melting point of the first component. The shrink film has an average shrink tension at 220°F of less than about 300 psi, and preferably has an average free shrink at 220°F of at least about 15 percent. The invention also pertains to a package comprising a product packaged in the shrink film of the invention. The product has the characteristic of distorting when wrapped with a film having a shrink tension of 350 psi.
Ahmed Wasif Khan
Lambert William Scott
Patel Rajen M.
Wilburn Daniel Scott
Wofford George Dean
Cryovac Inc.
Smart & Biggar
The Dow Chemical Company
W.r. Grace & Co.,-Conn.
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