High-Performance Coated Sealants
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United States of America Patent
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Oct 9, 2015
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Oct 9, 2014
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Disclosed is a multilayered film that includes a core layer that includes one or more polymers, wherein the core has a first side and a second side and is optionally oriented. Further, the multilayered film includes a sealing layer comprising a primer and a sealing coating, wherein the primer has a primer coating weight from 0.05 to 0.5 g/m2 and is located between the first side of the core and a first side of the sealing coating, wherein the sealing coating has a sealing coating weight from 0.5 to 20.0 g/m2, wherein the multilayered film has a seal strength of at least 1 kg/in at 120° C. In various embodiments, the films showed outstanding seal strength, hot tack for both clear and white films over a broad temperature range, seal integrity under the Skye test, low blocking, and other desirable performance metrics.
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