Multilayer Sealable Blown Film for Form-Fill-Seal Applications
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Dec 17, 2024
filing date -
Dec 17, 2024
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Abstract
A multilayer blown film, designed for use in heavy duty sacks manufactured by a high-speed Form-Fill-Seal packaging process, having unique heat sealing characteristics and desirable mechanical properties is disclosed. Additionally, a multilayer blown film consists of skin layers prepared from a Ziegler-Natta catalyzed ethylene and alpha-olefin copolymer with novel composition distribution, and at least one core layer that includes both HPDE and LLDPE. The multilayer blown film, with no external sealing additives present in skin layers, exhibits outstanding processability, superior tear resistance, as well as balanced stiffness and toughness.
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